[   38.991878][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[   38.992409][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   38.992409][   T72]      netdev_get_by_index+0x5e/0x80
[   38.992409][   T72]      fib6_nh_init+0x3d8/0x1580
[   38.992409][   T72]      ip6_route_info_create+0xf18/0x17d0
[   38.992409][   T72]      addrconf_f6i_alloc+0x315/0x560
[   38.992409][   T72]      ipv6_add_addr+0x411/0x2000
[   38.992409][   T72]      inet6_addr_add+0x30e/0xa40
[   38.992409][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   38.992409][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   38.992409][   T72]      netlink_rcv_skb+0x130/0x360
[   38.992409][   T72]      netlink_unicast+0x449/0x710
[   38.992409][   T72]      netlink_sendmsg+0x723/0xbe0
[   38.992409][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   38.992409][   T72]      ___sys_sendmsg+0xee/0x170
[   38.992409][   T72]      __sys_sendmsg+0xcd/0x170
[   38.992409][   T72]      do_syscall_64+0xc6/0x1e0
[   38.992409][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   38.992409][   T72] 
[   38.994780][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   38.994780][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   38.994780][   T72]      ipv6_find_idev+0x102/0x170
[   38.994780][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   38.994780][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   38.994780][   T72]      netlink_rcv_skb+0x130/0x360
[   38.994780][   T72]      netlink_unicast+0x449/0x710
[   38.994780][   T72]      netlink_sendmsg+0x723/0xbe0
[   38.994780][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   38.994780][   T72]      ___sys_sendmsg+0xee/0x170
[   38.994780][   T72]      __sys_sendmsg+0xcd/0x170
[   38.994780][   T72]      do_syscall_64+0xc6/0x1e0
[   38.994780][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   38.994780][   T72] 
[   38.996394][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   38.996394][   T72]      neigh_parms_alloc+0x1e5/0x510
[   38.996394][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   38.996394][   T72]      ipv6_find_idev+0x102/0x170
[   38.996394][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   38.996394][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   38.996394][   T72]      netlink_rcv_skb+0x130/0x360
[   38.996394][   T72]      netlink_unicast+0x449/0x710
[   38.996394][   T72]      netlink_sendmsg+0x723/0xbe0
[   38.996394][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   38.996394][   T72]      ___sys_sendmsg+0xee/0x170
[   38.996394][   T72]      __sys_sendmsg+0xcd/0x170
[   38.996394][   T72]      do_syscall_64+0xc6/0x1e0
[   38.996394][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   38.996394][   T72] 
[   38.998132][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[   38.998386][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   38.998386][   T72]      netdev_get_by_index+0x5e/0x80
[   38.998386][   T72]      fib6_nh_init+0x3d8/0x1580
[   38.998386][   T72]      ip6_route_info_create+0xf18/0x17d0
[   38.998386][   T72]      ip6_route_add+0x1c/0x140
[   38.998386][   T72]      addrconf_prefix_route+0x2a6/0x430
[   38.998386][   T72]      inet6_addr_add+0x4f8/0xa40
[   38.998386][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   38.998386][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   38.998386][   T72]      netlink_rcv_skb+0x130/0x360
[   38.998386][   T72]      netlink_unicast+0x449/0x710
[   38.998386][   T72]      netlink_sendmsg+0x723/0xbe0
[   38.998386][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   38.998386][   T72]      ___sys_sendmsg+0xee/0x170
[   38.998386][   T72]      __sys_sendmsg+0xcd/0x170
[   38.998386][   T72]      do_syscall_64+0xc6/0x1e0
[   38.998386][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   38.998386][   T72] 
[   39.000444][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   39.000444][   T72]      netdev_get_by_index+0x5e/0x80
[   39.000444][   T72]      fib6_nh_init+0x3d8/0x1580
[   39.000444][   T72]      ip6_route_info_create+0xf18/0x17d0
[   39.000444][   T72]      addrconf_f6i_alloc+0x315/0x560
[   39.000444][   T72]      ipv6_add_addr+0x411/0x2000
[   39.000444][   T72]      inet6_addr_add+0x30e/0xa40
[   39.000444][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   39.000444][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   39.000444][   T72]      netlink_rcv_skb+0x130/0x360
[   39.000444][   T72]      netlink_unicast+0x449/0x710
[   39.000444][   T72]      netlink_sendmsg+0x723/0xbe0
[   39.000444][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   39.000444][   T72]      ___sys_sendmsg+0xee/0x170
[   39.000444][   T72]      __sys_sendmsg+0xcd/0x170
[   39.000444][   T72]      do_syscall_64+0xc6/0x1e0
[   39.000444][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   39.000444][   T72] 
[   39.002521][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   39.002521][   T72]      netdev_get_by_index+0x5e/0x80
[   39.002521][   T72]      fib6_nh_init+0x3d8/0x1580
[   39.002521][   T72]      ip6_route_info_create+0xf18/0x17d0
[   39.002521][   T72]      ip6_route_add+0x1c/0x140
[   39.002521][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[   39.002521][   T72]      addrconf_add_dev+0xe2/0x170
[   39.002521][   T72]      inet6_addr_add+0x12f/0xa40
[   39.002521][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   39.002521][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   39.002521][   T72]      netlink_rcv_skb+0x130/0x360
[   39.002521][   T72]      netlink_unicast+0x449/0x710
[   39.002521][   T72]      netlink_sendmsg+0x723/0xbe0
[   39.002521][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   39.002521][   T72]      ___sys_sendmsg+0xee/0x170
[   39.002521][   T72]      __sys_sendmsg+0xcd/0x170
[   39.002521][   T72]      do_syscall_64+0xc6/0x1e0
[   39.002521][   T72] 
[   39.004617][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   39.004617][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   39.004617][   T72]      ipv6_find_idev+0x102/0x170
[   39.004617][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   39.004617][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   39.004617][   T72]      netlink_rcv_skb+0x130/0x360
[   39.004617][   T72]      netlink_unicast+0x449/0x710
[   39.004617][   T72]      netlink_sendmsg+0x723/0xbe0
[   39.004617][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   39.004617][   T72]      ___sys_sendmsg+0xee/0x170
[   39.004617][   T72]      __sys_sendmsg+0xcd/0x170
[   39.004617][   T72]      do_syscall_64+0xc6/0x1e0
[   39.004617][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   39.004617][   T72] 
[   39.006393][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   39.006393][   T72]      neigh_parms_alloc+0x1e5/0x510
[   39.006393][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   39.006393][   T72]      ipv6_find_idev+0x102/0x170
[   39.006393][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   39.006393][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   39.006393][   T72]      netlink_rcv_skb+0x130/0x360
[   39.006393][   T72]      netlink_unicast+0x449/0x710
[   39.006393][   T72]      netlink_sendmsg+0x723/0xbe0
[   39.006393][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   39.006393][   T72]      ___sys_sendmsg+0xee/0x170
[   39.006393][   T72]      __sys_sendmsg+0xcd/0x170
[   39.006393][   T72]      do_syscall_64+0xc6/0x1e0
[   39.006393][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   39.006393][   T72] 
[   49.167869][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[   49.168220][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   49.168220][   T72]      netdev_get_by_index+0x5e/0x80
[   49.168220][   T72]      fib6_nh_init+0x3d8/0x1580
[   49.168220][   T72]      ip6_route_info_create+0xf18/0x17d0
[   49.168220][   T72]      addrconf_f6i_alloc+0x315/0x560
[   49.168220][   T72]      ipv6_add_addr+0x411/0x2000
[   49.168220][   T72]      inet6_addr_add+0x30e/0xa40
[   49.168220][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   49.168220][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   49.168220][   T72]      netlink_rcv_skb+0x130/0x360
[   49.168220][   T72]      netlink_unicast+0x449/0x710
[   49.168220][   T72]      netlink_sendmsg+0x723/0xbe0
[   49.168220][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   49.168220][   T72]      ___sys_sendmsg+0xee/0x170
[   49.168220][   T72]      __sys_sendmsg+0xcd/0x170
[   49.168220][   T72]      do_syscall_64+0xc6/0x1e0
[   49.168220][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   49.168220][   T72] 
[   49.170519][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   49.170519][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   49.170519][   T72]      ipv6_find_idev+0x102/0x170
[   49.170519][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   49.170519][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   49.170519][   T72]      netlink_rcv_skb+0x130/0x360
[   49.170519][   T72]      netlink_unicast+0x449/0x710
[   49.170519][   T72]      netlink_sendmsg+0x723/0xbe0
[   49.170519][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   49.170519][   T72]      ___sys_sendmsg+0xee/0x170
[   49.170519][   T72]      __sys_sendmsg+0xcd/0x170
[   49.170519][   T72]      do_syscall_64+0xc6/0x1e0
[   49.170519][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   49.170519][   T72] 
[   49.172231][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   49.172231][   T72]      neigh_parms_alloc+0x1e5/0x510
[   49.172231][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   49.172231][   T72]      ipv6_find_idev+0x102/0x170
[   49.172231][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   49.172231][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   49.172231][   T72]      netlink_rcv_skb+0x130/0x360
[   49.172231][   T72]      netlink_unicast+0x449/0x710
[   49.172231][   T72]      netlink_sendmsg+0x723/0xbe0
[   49.172231][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   49.172231][   T72]      ___sys_sendmsg+0xee/0x170
[   49.172231][   T72]      __sys_sendmsg+0xcd/0x170
[   49.172231][   T72]      do_syscall_64+0xc6/0x1e0
[   49.172231][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   49.172231][   T72] 
[   49.174096][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[   49.174730][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   49.174730][   T72]      netdev_get_by_index+0x5e/0x80
[   49.174730][   T72]      fib6_nh_init+0x3d8/0x1580
[   49.174730][   T72]      ip6_route_info_create+0xf18/0x17d0
[   49.174730][   T72]      ip6_route_add+0x1c/0x140
[   49.174730][   T72]      addrconf_prefix_route+0x2a6/0x430
[   49.174730][   T72]      inet6_addr_add+0x4f8/0xa40
[   49.174730][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   49.174730][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   49.174730][   T72]      netlink_rcv_skb+0x130/0x360
[   49.174730][   T72]      netlink_unicast+0x449/0x710
[   49.174730][   T72]      netlink_sendmsg+0x723/0xbe0
[   49.174730][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   49.174730][   T72]      ___sys_sendmsg+0xee/0x170
[   49.174730][   T72]      __sys_sendmsg+0xcd/0x170
[   49.174730][   T72]      do_syscall_64+0xc6/0x1e0
[   49.174730][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   49.174730][   T72] 
[   49.176951][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   49.176951][   T72]      netdev_get_by_index+0x5e/0x80
[   49.176951][   T72]      fib6_nh_init+0x3d8/0x1580
[   49.176951][   T72]      ip6_route_info_create+0xf18/0x17d0
[   49.176951][   T72]      addrconf_f6i_alloc+0x315/0x560
[   49.176951][   T72]      ipv6_add_addr+0x411/0x2000
[   49.176951][   T72]      inet6_addr_add+0x30e/0xa40
[   49.176951][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   49.176951][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   49.176951][   T72]      netlink_rcv_skb+0x130/0x360
[   49.176951][   T72]      netlink_unicast+0x449/0x710
[   49.176951][   T72]      netlink_sendmsg+0x723/0xbe0
[   49.176951][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   49.176951][   T72]      ___sys_sendmsg+0xee/0x170
[   49.176951][   T72]      __sys_sendmsg+0xcd/0x170
[   49.176951][   T72]      do_syscall_64+0xc6/0x1e0
[   49.176951][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   49.176951][   T72] 
[   49.179144][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   49.179144][   T72]      netdev_get_by_index+0x5e/0x80
[   49.179144][   T72]      fib6_nh_init+0x3d8/0x1580
[   49.179144][   T72]      ip6_route_info_create+0xf18/0x17d0
[   49.179144][   T72]      ip6_route_add+0x1c/0x140
[   49.179144][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[   49.179144][   T72]      addrconf_add_dev+0xe2/0x170
[   49.179144][   T72]      inet6_addr_add+0x12f/0xa40
[   49.179144][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   49.179144][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   49.179144][   T72]      netlink_rcv_skb+0x130/0x360
[   49.179144][   T72]      netlink_unicast+0x449/0x710
[   49.179144][   T72]      netlink_sendmsg+0x723/0xbe0
[   49.179144][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   49.179144][   T72]      ___sys_sendmsg+0xee/0x170
[   49.179144][   T72]      __sys_sendmsg+0xcd/0x170
[   49.179144][   T72]      do_syscall_64+0xc6/0x1e0
[   49.179144][   T72] 
[   49.181253][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   49.181253][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   49.181253][   T72]      ipv6_find_idev+0x102/0x170
[   49.181253][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   49.181253][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   49.181253][   T72]      netlink_rcv_skb+0x130/0x360
[   49.181253][   T72]      netlink_unicast+0x449/0x710
[   49.181253][   T72]      netlink_sendmsg+0x723/0xbe0
[   49.181253][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   49.181253][   T72]      ___sys_sendmsg+0xee/0x170
[   49.181253][   T72]      __sys_sendmsg+0xcd/0x170
[   49.181253][   T72]      do_syscall_64+0xc6/0x1e0
[   49.181253][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   49.181253][   T72] 
[   49.182960][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   49.182960][   T72]      neigh_parms_alloc+0x1e5/0x510
[   49.182960][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   49.182960][   T72]      ipv6_find_idev+0x102/0x170
[   49.182960][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   49.182960][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   49.182960][   T72]      netlink_rcv_skb+0x130/0x360
[   49.182960][   T72]      netlink_unicast+0x449/0x710
[   49.182960][   T72]      netlink_sendmsg+0x723/0xbe0
[   49.182960][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   49.182960][   T72]      ___sys_sendmsg+0xee/0x170
[   49.182960][   T72]      __sys_sendmsg+0xcd/0x170
[   49.182960][   T72]      do_syscall_64+0xc6/0x1e0
[   49.182960][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   49.182960][   T72] 
[   59.231924][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[   59.232390][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   59.232390][   T72]      netdev_get_by_index+0x5e/0x80
[   59.232390][   T72]      fib6_nh_init+0x3d8/0x1580
[   59.232390][   T72]      ip6_route_info_create+0xf18/0x17d0
[   59.232390][   T72]      addrconf_f6i_alloc+0x315/0x560
[   59.232390][   T72]      ipv6_add_addr+0x411/0x2000
[   59.232390][   T72]      inet6_addr_add+0x30e/0xa40
[   59.232390][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   59.232390][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   59.232390][   T72]      netlink_rcv_skb+0x130/0x360
[   59.232390][   T72]      netlink_unicast+0x449/0x710
[   59.232390][   T72]      netlink_sendmsg+0x723/0xbe0
[   59.232390][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   59.232390][   T72]      ___sys_sendmsg+0xee/0x170
[   59.232390][   T72]      __sys_sendmsg+0xcd/0x170
[   59.232390][   T72]      do_syscall_64+0xc6/0x1e0
[   59.232390][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   59.232390][   T72] 
[   59.234742][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   59.234742][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   59.234742][   T72]      ipv6_find_idev+0x102/0x170
[   59.234742][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   59.234742][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   59.234742][   T72]      netlink_rcv_skb+0x130/0x360
[   59.234742][   T72]      netlink_unicast+0x449/0x710
[   59.234742][   T72]      netlink_sendmsg+0x723/0xbe0
[   59.234742][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   59.234742][   T72]      ___sys_sendmsg+0xee/0x170
[   59.234742][   T72]      __sys_sendmsg+0xcd/0x170
[   59.234742][   T72]      do_syscall_64+0xc6/0x1e0
[   59.234742][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   59.234742][   T72] 
[   59.236561][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   59.236561][   T72]      neigh_parms_alloc+0x1e5/0x510
[   59.236561][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   59.236561][   T72]      ipv6_find_idev+0x102/0x170
[   59.236561][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   59.236561][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   59.236561][   T72]      netlink_rcv_skb+0x130/0x360
[   59.236561][   T72]      netlink_unicast+0x449/0x710
[   59.236561][   T72]      netlink_sendmsg+0x723/0xbe0
[   59.236561][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   59.236561][   T72]      ___sys_sendmsg+0xee/0x170
[   59.236561][   T72]      __sys_sendmsg+0xcd/0x170
[   59.236561][   T72]      do_syscall_64+0xc6/0x1e0
[   59.236561][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   59.236561][   T72] 
[   59.238519][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[   59.238816][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   59.238816][   T72]      netdev_get_by_index+0x5e/0x80
[   59.238816][   T72]      fib6_nh_init+0x3d8/0x1580
[   59.238816][   T72]      ip6_route_info_create+0xf18/0x17d0
[   59.238816][   T72]      ip6_route_add+0x1c/0x140
[   59.238816][   T72]      addrconf_prefix_route+0x2a6/0x430
[   59.238816][   T72]      inet6_addr_add+0x4f8/0xa40
[   59.238816][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   59.238816][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   59.238816][   T72]      netlink_rcv_skb+0x130/0x360
[   59.238816][   T72]      netlink_unicast+0x449/0x710
[   59.238816][   T72]      netlink_sendmsg+0x723/0xbe0
[   59.238816][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   59.238816][   T72]      ___sys_sendmsg+0xee/0x170
[   59.238816][   T72]      __sys_sendmsg+0xcd/0x170
[   59.238816][   T72]      do_syscall_64+0xc6/0x1e0
[   59.238816][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   59.238816][   T72] 
[   59.241129][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   59.241129][   T72]      netdev_get_by_index+0x5e/0x80
[   59.241129][   T72]      fib6_nh_init+0x3d8/0x1580
[   59.241129][   T72]      ip6_route_info_create+0xf18/0x17d0
[   59.241129][   T72]      addrconf_f6i_alloc+0x315/0x560
[   59.241129][   T72]      ipv6_add_addr+0x411/0x2000
[   59.241129][   T72]      inet6_addr_add+0x30e/0xa40
[   59.241129][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   59.241129][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   59.241129][   T72]      netlink_rcv_skb+0x130/0x360
[   59.241129][   T72]      netlink_unicast+0x449/0x710
[   59.241129][   T72]      netlink_sendmsg+0x723/0xbe0
[   59.241129][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   59.241129][   T72]      ___sys_sendmsg+0xee/0x170
[   59.241129][   T72]      __sys_sendmsg+0xcd/0x170
[   59.241129][   T72]      do_syscall_64+0xc6/0x1e0
[   59.241129][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   59.241129][   T72] 
[   59.243444][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   59.243444][   T72]      netdev_get_by_index+0x5e/0x80
[   59.243444][   T72]      fib6_nh_init+0x3d8/0x1580
[   59.243444][   T72]      ip6_route_info_create+0xf18/0x17d0
[   59.243444][   T72]      ip6_route_add+0x1c/0x140
[   59.243444][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[   59.243444][   T72]      addrconf_add_dev+0xe2/0x170
[   59.243444][   T72]      inet6_addr_add+0x12f/0xa40
[   59.243444][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   59.243444][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   59.243444][   T72]      netlink_rcv_skb+0x130/0x360
[   59.243444][   T72]      netlink_unicast+0x449/0x710
[   59.243444][   T72]      netlink_sendmsg+0x723/0xbe0
[   59.243444][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   59.243444][   T72]      ___sys_sendmsg+0xee/0x170
[   59.243444][   T72]      __sys_sendmsg+0xcd/0x170
[   59.243444][   T72]      do_syscall_64+0xc6/0x1e0
[   59.243444][   T72] 
[   59.245696][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   59.245696][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   59.245696][   T72]      ipv6_find_idev+0x102/0x170
[   59.245696][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   59.245696][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   59.245696][   T72]      netlink_rcv_skb+0x130/0x360
[   59.245696][   T72]      netlink_unicast+0x449/0x710
[   59.245696][   T72]      netlink_sendmsg+0x723/0xbe0
[   59.245696][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   59.245696][   T72]      ___sys_sendmsg+0xee/0x170
[   59.245696][   T72]      __sys_sendmsg+0xcd/0x170
[   59.245696][   T72]      do_syscall_64+0xc6/0x1e0
[   59.245696][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   59.245696][   T72] 
[   59.247463][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   59.247463][   T72]      neigh_parms_alloc+0x1e5/0x510
[   59.247463][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   59.247463][   T72]      ipv6_find_idev+0x102/0x170
[   59.247463][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   59.247463][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   59.247463][   T72]      netlink_rcv_skb+0x130/0x360
[   59.247463][   T72]      netlink_unicast+0x449/0x710
[   59.247463][   T72]      netlink_sendmsg+0x723/0xbe0
[   59.247463][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   59.247463][   T72]      ___sys_sendmsg+0xee/0x170
[   59.247463][   T72]      __sys_sendmsg+0xcd/0x170
[   59.247463][   T72]      do_syscall_64+0xc6/0x1e0
[   59.247463][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   59.247463][   T72] 
[   69.503933][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[   69.504382][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   69.504382][   T72]      netdev_get_by_index+0x5e/0x80
[   69.504382][   T72]      fib6_nh_init+0x3d8/0x1580
[   69.504382][   T72]      ip6_route_info_create+0xf18/0x17d0
[   69.504382][   T72]      addrconf_f6i_alloc+0x315/0x560
[   69.504382][   T72]      ipv6_add_addr+0x411/0x2000
[   69.504382][   T72]      inet6_addr_add+0x30e/0xa40
[   69.504382][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   69.504382][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   69.504382][   T72]      netlink_rcv_skb+0x130/0x360
[   69.504382][   T72]      netlink_unicast+0x449/0x710
[   69.504382][   T72]      netlink_sendmsg+0x723/0xbe0
[   69.504382][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   69.504382][   T72]      ___sys_sendmsg+0xee/0x170
[   69.504382][   T72]      __sys_sendmsg+0xcd/0x170
[   69.504382][   T72]      do_syscall_64+0xc6/0x1e0
[   69.504382][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   69.504382][   T72] 
[   69.506980][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   69.506980][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   69.506980][   T72]      ipv6_find_idev+0x102/0x170
[   69.506980][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   69.506980][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   69.506980][   T72]      netlink_rcv_skb+0x130/0x360
[   69.506980][   T72]      netlink_unicast+0x449/0x710
[   69.506980][   T72]      netlink_sendmsg+0x723/0xbe0
[   69.506980][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   69.506980][   T72]      ___sys_sendmsg+0xee/0x170
[   69.506980][   T72]      __sys_sendmsg+0xcd/0x170
[   69.506980][   T72]      do_syscall_64+0xc6/0x1e0
[   69.506980][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   69.506980][   T72] 
[   69.508785][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   69.508785][   T72]      neigh_parms_alloc+0x1e5/0x510
[   69.508785][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   69.508785][   T72]      ipv6_find_idev+0x102/0x170
[   69.508785][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   69.508785][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   69.508785][   T72]      netlink_rcv_skb+0x130/0x360
[   69.508785][   T72]      netlink_unicast+0x449/0x710
[   69.508785][   T72]      netlink_sendmsg+0x723/0xbe0
[   69.508785][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   69.508785][   T72]      ___sys_sendmsg+0xee/0x170
[   69.508785][   T72]      __sys_sendmsg+0xcd/0x170
[   69.508785][   T72]      do_syscall_64+0xc6/0x1e0
[   69.508785][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   69.508785][   T72] 
[   69.510771][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[   69.511042][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   69.511042][   T72]      netdev_get_by_index+0x5e/0x80
[   69.511042][   T72]      fib6_nh_init+0x3d8/0x1580
[   69.511042][   T72]      ip6_route_info_create+0xf18/0x17d0
[   69.511042][   T72]      ip6_route_add+0x1c/0x140
[   69.511042][   T72]      addrconf_prefix_route+0x2a6/0x430
[   69.511042][   T72]      inet6_addr_add+0x4f8/0xa40
[   69.511042][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   69.511042][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   69.511042][   T72]      netlink_rcv_skb+0x130/0x360
[   69.511042][   T72]      netlink_unicast+0x449/0x710
[   69.511042][   T72]      netlink_sendmsg+0x723/0xbe0
[   69.511042][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   69.511042][   T72]      ___sys_sendmsg+0xee/0x170
[   69.511042][   T72]      __sys_sendmsg+0xcd/0x170
[   69.511042][   T72]      do_syscall_64+0xc6/0x1e0
[   69.511042][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   69.511042][   T72] 
[   69.513336][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   69.513336][   T72]      netdev_get_by_index+0x5e/0x80
[   69.513336][   T72]      fib6_nh_init+0x3d8/0x1580
[   69.513336][   T72]      ip6_route_info_create+0xf18/0x17d0
[   69.513336][   T72]      addrconf_f6i_alloc+0x315/0x560
[   69.513336][   T72]      ipv6_add_addr+0x411/0x2000
[   69.513336][   T72]      inet6_addr_add+0x30e/0xa40
[   69.513336][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   69.513336][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   69.513336][   T72]      netlink_rcv_skb+0x130/0x360
[   69.513336][   T72]      netlink_unicast+0x449/0x710
[   69.513336][   T72]      netlink_sendmsg+0x723/0xbe0
[   69.513336][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   69.513336][   T72]      ___sys_sendmsg+0xee/0x170
[   69.513336][   T72]      __sys_sendmsg+0xcd/0x170
[   69.513336][   T72]      do_syscall_64+0xc6/0x1e0
[   69.513336][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   69.513336][   T72] 
[   69.515662][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   69.515662][   T72]      netdev_get_by_index+0x5e/0x80
[   69.515662][   T72]      fib6_nh_init+0x3d8/0x1580
[   69.515662][   T72]      ip6_route_info_create+0xf18/0x17d0
[   69.515662][   T72]      ip6_route_add+0x1c/0x140
[   69.515662][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[   69.515662][   T72]      addrconf_add_dev+0xe2/0x170
[   69.515662][   T72]      inet6_addr_add+0x12f/0xa40
[   69.515662][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   69.515662][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   69.515662][   T72]      netlink_rcv_skb+0x130/0x360
[   69.515662][   T72]      netlink_unicast+0x449/0x710
[   69.515662][   T72]      netlink_sendmsg+0x723/0xbe0
[   69.515662][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   69.515662][   T72]      ___sys_sendmsg+0xee/0x170
[   69.515662][   T72]      __sys_sendmsg+0xcd/0x170
[   69.515662][   T72]      do_syscall_64+0xc6/0x1e0
[   69.515662][   T72] 
[   69.517946][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   69.517946][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   69.517946][   T72]      ipv6_find_idev+0x102/0x170
[   69.517946][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   69.517946][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   69.517946][   T72]      netlink_rcv_skb+0x130/0x360
[   69.517946][   T72]      netlink_unicast+0x449/0x710
[   69.517946][   T72]      netlink_sendmsg+0x723/0xbe0
[   69.517946][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   69.517946][   T72]      ___sys_sendmsg+0xee/0x170
[   69.517946][   T72]      __sys_sendmsg+0xcd/0x170
[   69.517946][   T72]      do_syscall_64+0xc6/0x1e0
[   69.517946][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   69.517946][   T72] 
[   69.519755][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   69.519755][   T72]      neigh_parms_alloc+0x1e5/0x510
[   69.519755][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   69.519755][   T72]      ipv6_find_idev+0x102/0x170
[   69.519755][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   69.519755][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   69.519755][   T72]      netlink_rcv_skb+0x130/0x360
[   69.519755][   T72]      netlink_unicast+0x449/0x710
[   69.519755][   T72]      netlink_sendmsg+0x723/0xbe0
[   69.519755][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   69.519755][   T72]      ___sys_sendmsg+0xee/0x170
[   69.519755][   T72]      __sys_sendmsg+0xcd/0x170
[   69.519755][   T72]      do_syscall_64+0xc6/0x1e0
[   69.519755][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   69.519755][   T72] 
[   79.759909][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[   79.760364][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   79.760364][   T72]      netdev_get_by_index+0x5e/0x80
[   79.760364][   T72]      fib6_nh_init+0x3d8/0x1580
[   79.760364][   T72]      ip6_route_info_create+0xf18/0x17d0
[   79.760364][   T72]      addrconf_f6i_alloc+0x315/0x560
[   79.760364][   T72]      ipv6_add_addr+0x411/0x2000
[   79.760364][   T72]      inet6_addr_add+0x30e/0xa40
[   79.760364][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   79.760364][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   79.760364][   T72]      netlink_rcv_skb+0x130/0x360
[   79.760364][   T72]      netlink_unicast+0x449/0x710
[   79.760364][   T72]      netlink_sendmsg+0x723/0xbe0
[   79.760364][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   79.760364][   T72]      ___sys_sendmsg+0xee/0x170
[   79.760364][   T72]      __sys_sendmsg+0xcd/0x170
[   79.760364][   T72]      do_syscall_64+0xc6/0x1e0
[   79.760364][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   79.760364][   T72] 
[   79.762723][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   79.762723][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   79.762723][   T72]      ipv6_find_idev+0x102/0x170
[   79.762723][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   79.762723][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   79.762723][   T72]      netlink_rcv_skb+0x130/0x360
[   79.762723][   T72]      netlink_unicast+0x449/0x710
[   79.762723][   T72]      netlink_sendmsg+0x723/0xbe0
[   79.762723][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   79.762723][   T72]      ___sys_sendmsg+0xee/0x170
[   79.762723][   T72]      __sys_sendmsg+0xcd/0x170
[   79.762723][   T72]      do_syscall_64+0xc6/0x1e0
[   79.762723][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   79.762723][   T72] 
[   79.764511][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   79.764511][   T72]      neigh_parms_alloc+0x1e5/0x510
[   79.764511][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   79.764511][   T72]      ipv6_find_idev+0x102/0x170
[   79.764511][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   79.764511][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   79.764511][   T72]      netlink_rcv_skb+0x130/0x360
[   79.764511][   T72]      netlink_unicast+0x449/0x710
[   79.764511][   T72]      netlink_sendmsg+0x723/0xbe0
[   79.764511][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   79.764511][   T72]      ___sys_sendmsg+0xee/0x170
[   79.764511][   T72]      __sys_sendmsg+0xcd/0x170
[   79.764511][   T72]      do_syscall_64+0xc6/0x1e0
[   79.764511][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   79.764511][   T72] 
[   79.766453][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[   79.766728][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   79.766728][   T72]      netdev_get_by_index+0x5e/0x80
[   79.766728][   T72]      fib6_nh_init+0x3d8/0x1580
[   79.766728][   T72]      ip6_route_info_create+0xf18/0x17d0
[   79.766728][   T72]      ip6_route_add+0x1c/0x140
[   79.766728][   T72]      addrconf_prefix_route+0x2a6/0x430
[   79.766728][   T72]      inet6_addr_add+0x4f8/0xa40
[   79.766728][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   79.766728][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   79.766728][   T72]      netlink_rcv_skb+0x130/0x360
[   79.766728][   T72]      netlink_unicast+0x449/0x710
[   79.766728][   T72]      netlink_sendmsg+0x723/0xbe0
[   79.766728][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   79.766728][   T72]      ___sys_sendmsg+0xee/0x170
[   79.766728][   T72]      __sys_sendmsg+0xcd/0x170
[   79.766728][   T72]      do_syscall_64+0xc6/0x1e0
[   79.766728][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   79.766728][   T72] 
[   79.769012][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   79.769012][   T72]      netdev_get_by_index+0x5e/0x80
[   79.769012][   T72]      fib6_nh_init+0x3d8/0x1580
[   79.769012][   T72]      ip6_route_info_create+0xf18/0x17d0
[   79.769012][   T72]      addrconf_f6i_alloc+0x315/0x560
[   79.769012][   T72]      ipv6_add_addr+0x411/0x2000
[   79.769012][   T72]      inet6_addr_add+0x30e/0xa40
[   79.769012][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   79.769012][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   79.769012][   T72]      netlink_rcv_skb+0x130/0x360
[   79.769012][   T72]      netlink_unicast+0x449/0x710
[   79.769012][   T72]      netlink_sendmsg+0x723/0xbe0
[   79.769012][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   79.769012][   T72]      ___sys_sendmsg+0xee/0x170
[   79.769012][   T72]      __sys_sendmsg+0xcd/0x170
[   79.769012][   T72]      do_syscall_64+0xc6/0x1e0
[   79.769012][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   79.769012][   T72] 
[   79.771321][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   79.771321][   T72]      netdev_get_by_index+0x5e/0x80
[   79.771321][   T72]      fib6_nh_init+0x3d8/0x1580
[   79.771321][   T72]      ip6_route_info_create+0xf18/0x17d0
[   79.771321][   T72]      ip6_route_add+0x1c/0x140
[   79.771321][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[   79.771321][   T72]      addrconf_add_dev+0xe2/0x170
[   79.771321][   T72]      inet6_addr_add+0x12f/0xa40
[   79.771321][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   79.771321][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   79.771321][   T72]      netlink_rcv_skb+0x130/0x360
[   79.771321][   T72]      netlink_unicast+0x449/0x710
[   79.771321][   T72]      netlink_sendmsg+0x723/0xbe0
[   79.771321][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   79.771321][   T72]      ___sys_sendmsg+0xee/0x170
[   79.771321][   T72]      __sys_sendmsg+0xcd/0x170
[   79.771321][   T72]      do_syscall_64+0xc6/0x1e0
[   79.771321][   T72] 
[   79.773574][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   79.773574][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   79.773574][   T72]      ipv6_find_idev+0x102/0x170
[   79.773574][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   79.773574][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   79.773574][   T72]      netlink_rcv_skb+0x130/0x360
[   79.773574][   T72]      netlink_unicast+0x449/0x710
[   79.773574][   T72]      netlink_sendmsg+0x723/0xbe0
[   79.773574][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   79.773574][   T72]      ___sys_sendmsg+0xee/0x170
[   79.773574][   T72]      __sys_sendmsg+0xcd/0x170
[   79.773574][   T72]      do_syscall_64+0xc6/0x1e0
[   79.773574][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   79.773574][   T72] 
[   79.775359][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   79.775359][   T72]      neigh_parms_alloc+0x1e5/0x510
[   79.775359][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   79.775359][   T72]      ipv6_find_idev+0x102/0x170
[   79.775359][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   79.775359][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   79.775359][   T72]      netlink_rcv_skb+0x130/0x360
[   79.775359][   T72]      netlink_unicast+0x449/0x710
[   79.775359][   T72]      netlink_sendmsg+0x723/0xbe0
[   79.775359][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   79.775359][   T72]      ___sys_sendmsg+0xee/0x170
[   79.775359][   T72]      __sys_sendmsg+0xcd/0x170
[   79.775359][   T72]      do_syscall_64+0xc6/0x1e0
[   79.775359][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   79.775359][   T72] 
[   90.015902][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[   90.016384][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   90.016384][   T72]      netdev_get_by_index+0x5e/0x80
[   90.016384][   T72]      fib6_nh_init+0x3d8/0x1580
[   90.016384][   T72]      ip6_route_info_create+0xf18/0x17d0
[   90.016384][   T72]      addrconf_f6i_alloc+0x315/0x560
[   90.016384][   T72]      ipv6_add_addr+0x411/0x2000
[   90.016384][   T72]      inet6_addr_add+0x30e/0xa40
[   90.016384][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   90.016384][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   90.016384][   T72]      netlink_rcv_skb+0x130/0x360
[   90.016384][   T72]      netlink_unicast+0x449/0x710
[   90.016384][   T72]      netlink_sendmsg+0x723/0xbe0
[   90.016384][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   90.016384][   T72]      ___sys_sendmsg+0xee/0x170
[   90.016384][   T72]      __sys_sendmsg+0xcd/0x170
[   90.016384][   T72]      do_syscall_64+0xc6/0x1e0
[   90.016384][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   90.016384][   T72] 
[   90.018568][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   90.018568][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   90.018568][   T72]      ipv6_find_idev+0x102/0x170
[   90.018568][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   90.018568][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   90.018568][   T72]      netlink_rcv_skb+0x130/0x360
[   90.018568][   T72]      netlink_unicast+0x449/0x710
[   90.018568][   T72]      netlink_sendmsg+0x723/0xbe0
[   90.018568][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   90.018568][   T72]      ___sys_sendmsg+0xee/0x170
[   90.018568][   T72]      __sys_sendmsg+0xcd/0x170
[   90.018568][   T72]      do_syscall_64+0xc6/0x1e0
[   90.018568][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   90.018568][   T72] 
[   90.020228][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[   90.020228][   T72]      neigh_parms_alloc+0x1e5/0x510
[   90.020228][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   90.020228][   T72]      ipv6_find_idev+0x102/0x170
[   90.020228][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   90.020228][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   90.020228][   T72]      netlink_rcv_skb+0x130/0x360
[   90.020228][   T72]      netlink_unicast+0x449/0x710
[   90.020228][   T72]      netlink_sendmsg+0x723/0xbe0
[   90.020228][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   90.020228][   T72]      ___sys_sendmsg+0xee/0x170
[   90.020228][   T72]      __sys_sendmsg+0xcd/0x170
[   90.020228][   T72]      do_syscall_64+0xc6/0x1e0
[   90.020228][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   90.020228][   T72] 
[   90.022415][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[   90.022696][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   90.022696][   T72]      netdev_get_by_index+0x5e/0x80
[   90.022696][   T72]      fib6_nh_init+0x3d8/0x1580
[   90.022696][   T72]      ip6_route_info_create+0xf18/0x17d0
[   90.022696][   T72]      ip6_route_add+0x1c/0x140
[   90.022696][   T72]      addrconf_prefix_route+0x2a6/0x430
[   90.022696][   T72]      inet6_addr_add+0x4f8/0xa40
[   90.022696][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   90.022696][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   90.022696][   T72]      netlink_rcv_skb+0x130/0x360
[   90.022696][   T72]      netlink_unicast+0x449/0x710
[   90.022696][   T72]      netlink_sendmsg+0x723/0xbe0
[   90.022696][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   90.022696][   T72]      ___sys_sendmsg+0xee/0x170
[   90.022696][   T72]      __sys_sendmsg+0xcd/0x170
[   90.022696][   T72]      do_syscall_64+0xc6/0x1e0
[   90.022696][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   90.022696][   T72] 
[   90.024825][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   90.024825][   T72]      netdev_get_by_index+0x5e/0x80
[   90.024825][   T72]      fib6_nh_init+0x3d8/0x1580
[   90.024825][   T72]      ip6_route_info_create+0xf18/0x17d0
[   90.024825][   T72]      addrconf_f6i_alloc+0x315/0x560
[   90.024825][   T72]      ipv6_add_addr+0x411/0x2000
[   90.024825][   T72]      inet6_addr_add+0x30e/0xa40
[   90.024825][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   90.024825][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   90.024825][   T72]      netlink_rcv_skb+0x130/0x360
[   90.024825][   T72]      netlink_unicast+0x449/0x710
[   90.024825][   T72]      netlink_sendmsg+0x723/0xbe0
[   90.024825][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   90.024825][   T72]      ___sys_sendmsg+0xee/0x170
[   90.024825][   T72]      __sys_sendmsg+0xcd/0x170
[   90.024825][   T72]      do_syscall_64+0xc6/0x1e0
[   90.024825][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   90.024825][   T72] 
[   90.026937][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   90.026937][   T72]      netdev_get_by_index+0x5e/0x80
[   90.026937][   T72]      fib6_nh_init+0x3d8/0x1580
[   90.026937][   T72]      ip6_route_info_create+0xf18/0x17d0
[   90.026937][   T72]      ip6_route_add+0x1c/0x140
[   90.026937][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[   90.026937][   T72]      addrconf_add_dev+0xe2/0x170
[   90.026937][   T72]      inet6_addr_add+0x12f/0xa40
[   90.026937][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[   90.026937][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   90.026937][   T72]      netlink_rcv_skb+0x130/0x360
[   90.026937][   T72]      netlink_unicast+0x449/0x710
[   90.026937][   T72]      netlink_sendmsg+0x723/0xbe0
[   90.026937][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   90.026937][   T72]      ___sys_sendmsg+0xee/0x170
[   90.026937][   T72]      __sys_sendmsg+0xcd/0x170
[   90.026937][   T72]      do_syscall_64+0xc6/0x1e0
[   90.026937][   T72] 
[   90.028999][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   90.028999][   T72]      ipv6_add_dev+0x3ba/0x11c0
[   90.028999][   T72]      ipv6_find_idev+0x102/0x170
[   90.028999][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   90.028999][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   90.028999][   T72]      netlink_rcv_skb+0x130/0x360
[   90.028999][   T72]      netlink_unicast+0x449/0x710
[   90.028999][   T72]      netlink_sendmsg+0x723/0xbe0
[   90.028999][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   90.028999][   T72]      ___sys_sendmsg+0xee/0x170
[   90.028999][   T72]      __sys_sendmsg+0xcd/0x170
[   90.028999][   T72]      do_syscall_64+0xc6/0x1e0
[   90.028999][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   90.028999][   T72] 
[   90.030632][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[   90.030632][   T72]      neigh_parms_alloc+0x1e5/0x510
[   90.030632][   T72]      ipv6_add_dev+0x2fe/0x11c0
[   90.030632][   T72]      ipv6_find_idev+0x102/0x170
[   90.030632][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[   90.030632][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   90.030632][   T72]      netlink_rcv_skb+0x130/0x360
[   90.030632][   T72]      netlink_unicast+0x449/0x710
[   90.030632][   T72]      netlink_sendmsg+0x723/0xbe0
[   90.030632][   T72]      ____sys_sendmsg+0x7b2/0xa10
[   90.030632][   T72]      ___sys_sendmsg+0xee/0x170
[   90.030632][   T72]      __sys_sendmsg+0xcd/0x170
[   90.030632][   T72]      do_syscall_64+0xc6/0x1e0
[   90.030632][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   90.030632][   T72] 
[  100.271890][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  100.272364][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  100.272364][   T72]      netdev_get_by_index+0x5e/0x80
[  100.272364][   T72]      fib6_nh_init+0x3d8/0x1580
[  100.272364][   T72]      ip6_route_info_create+0xf18/0x17d0
[  100.272364][   T72]      addrconf_f6i_alloc+0x315/0x560
[  100.272364][   T72]      ipv6_add_addr+0x411/0x2000
[  100.272364][   T72]      inet6_addr_add+0x30e/0xa40
[  100.272364][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  100.272364][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  100.272364][   T72]      netlink_rcv_skb+0x130/0x360
[  100.272364][   T72]      netlink_unicast+0x449/0x710
[  100.272364][   T72]      netlink_sendmsg+0x723/0xbe0
[  100.272364][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  100.272364][   T72]      ___sys_sendmsg+0xee/0x170
[  100.272364][   T72]      __sys_sendmsg+0xcd/0x170
[  100.272364][   T72]      do_syscall_64+0xc6/0x1e0
[  100.272364][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  100.272364][   T72] 
[  100.274504][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  100.274504][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  100.274504][   T72]      ipv6_find_idev+0x102/0x170
[  100.274504][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  100.274504][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  100.274504][   T72]      netlink_rcv_skb+0x130/0x360
[  100.274504][   T72]      netlink_unicast+0x449/0x710
[  100.274504][   T72]      netlink_sendmsg+0x723/0xbe0
[  100.274504][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  100.274504][   T72]      ___sys_sendmsg+0xee/0x170
[  100.274504][   T72]      __sys_sendmsg+0xcd/0x170
[  100.274504][   T72]      do_syscall_64+0xc6/0x1e0
[  100.274504][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  100.274504][   T72] 
[  100.276165][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  100.276165][   T72]      neigh_parms_alloc+0x1e5/0x510
[  100.276165][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  100.276165][   T72]      ipv6_find_idev+0x102/0x170
[  100.276165][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  100.276165][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  100.276165][   T72]      netlink_rcv_skb+0x130/0x360
[  100.276165][   T72]      netlink_unicast+0x449/0x710
[  100.276165][   T72]      netlink_sendmsg+0x723/0xbe0
[  100.276165][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  100.276165][   T72]      ___sys_sendmsg+0xee/0x170
[  100.276165][   T72]      __sys_sendmsg+0xcd/0x170
[  100.276165][   T72]      do_syscall_64+0xc6/0x1e0
[  100.276165][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  100.276165][   T72] 
[  100.277947][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  100.278211][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  100.278211][   T72]      netdev_get_by_index+0x5e/0x80
[  100.278211][   T72]      fib6_nh_init+0x3d8/0x1580
[  100.278211][   T72]      ip6_route_info_create+0xf18/0x17d0
[  100.278211][   T72]      ip6_route_add+0x1c/0x140
[  100.278211][   T72]      addrconf_prefix_route+0x2a6/0x430
[  100.278211][   T72]      inet6_addr_add+0x4f8/0xa40
[  100.278211][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  100.278211][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  100.278211][   T72]      netlink_rcv_skb+0x130/0x360
[  100.278211][   T72]      netlink_unicast+0x449/0x710
[  100.278211][   T72]      netlink_sendmsg+0x723/0xbe0
[  100.278211][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  100.278211][   T72]      ___sys_sendmsg+0xee/0x170
[  100.278211][   T72]      __sys_sendmsg+0xcd/0x170
[  100.278211][   T72]      do_syscall_64+0xc6/0x1e0
[  100.278211][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  100.278211][   T72] 
[  100.280325][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  100.280325][   T72]      netdev_get_by_index+0x5e/0x80
[  100.280325][   T72]      fib6_nh_init+0x3d8/0x1580
[  100.280325][   T72]      ip6_route_info_create+0xf18/0x17d0
[  100.280325][   T72]      addrconf_f6i_alloc+0x315/0x560
[  100.280325][   T72]      ipv6_add_addr+0x411/0x2000
[  100.280325][   T72]      inet6_addr_add+0x30e/0xa40
[  100.280325][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  100.280325][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  100.280325][   T72]      netlink_rcv_skb+0x130/0x360
[  100.280325][   T72]      netlink_unicast+0x449/0x710
[  100.280325][   T72]      netlink_sendmsg+0x723/0xbe0
[  100.280325][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  100.280325][   T72]      ___sys_sendmsg+0xee/0x170
[  100.280325][   T72]      __sys_sendmsg+0xcd/0x170
[  100.280325][   T72]      do_syscall_64+0xc6/0x1e0
[  100.280325][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  100.280325][   T72] 
[  100.282439][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  100.282439][   T72]      netdev_get_by_index+0x5e/0x80
[  100.282439][   T72]      fib6_nh_init+0x3d8/0x1580
[  100.282439][   T72]      ip6_route_info_create+0xf18/0x17d0
[  100.282439][   T72]      ip6_route_add+0x1c/0x140
[  100.282439][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  100.282439][   T72]      addrconf_add_dev+0xe2/0x170
[  100.282439][   T72]      inet6_addr_add+0x12f/0xa40
[  100.282439][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  100.282439][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  100.282439][   T72]      netlink_rcv_skb+0x130/0x360
[  100.282439][   T72]      netlink_unicast+0x449/0x710
[  100.282439][   T72]      netlink_sendmsg+0x723/0xbe0
[  100.282439][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  100.282439][   T72]      ___sys_sendmsg+0xee/0x170
[  100.282439][   T72]      __sys_sendmsg+0xcd/0x170
[  100.282439][   T72]      do_syscall_64+0xc6/0x1e0
[  100.282439][   T72] 
[  100.284510][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  100.284510][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  100.284510][   T72]      ipv6_find_idev+0x102/0x170
[  100.284510][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  100.284510][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  100.284510][   T72]      netlink_rcv_skb+0x130/0x360
[  100.284510][   T72]      netlink_unicast+0x449/0x710
[  100.284510][   T72]      netlink_sendmsg+0x723/0xbe0
[  100.284510][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  100.284510][   T72]      ___sys_sendmsg+0xee/0x170
[  100.284510][   T72]      __sys_sendmsg+0xcd/0x170
[  100.284510][   T72]      do_syscall_64+0xc6/0x1e0
[  100.284510][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  100.284510][   T72] 
[  100.286153][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  100.286153][   T72]      neigh_parms_alloc+0x1e5/0x510
[  100.286153][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  100.286153][   T72]      ipv6_find_idev+0x102/0x170
[  100.286153][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  100.286153][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  100.286153][   T72]      netlink_rcv_skb+0x130/0x360
[  100.286153][   T72]      netlink_unicast+0x449/0x710
[  100.286153][   T72]      netlink_sendmsg+0x723/0xbe0
[  100.286153][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  100.286153][   T72]      ___sys_sendmsg+0xee/0x170
[  100.286153][   T72]      __sys_sendmsg+0xcd/0x170
[  100.286153][   T72]      do_syscall_64+0xc6/0x1e0
[  100.286153][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  100.286153][   T72] 
[  110.527821][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  110.528293][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  110.528293][   T72]      netdev_get_by_index+0x5e/0x80
[  110.528293][   T72]      fib6_nh_init+0x3d8/0x1580
[  110.528293][   T72]      ip6_route_info_create+0xf18/0x17d0
[  110.528293][   T72]      addrconf_f6i_alloc+0x315/0x560
[  110.528293][   T72]      ipv6_add_addr+0x411/0x2000
[  110.528293][   T72]      inet6_addr_add+0x30e/0xa40
[  110.528293][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  110.528293][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  110.528293][   T72]      netlink_rcv_skb+0x130/0x360
[  110.528293][   T72]      netlink_unicast+0x449/0x710
[  110.528293][   T72]      netlink_sendmsg+0x723/0xbe0
[  110.528293][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  110.528293][   T72]      ___sys_sendmsg+0xee/0x170
[  110.528293][   T72]      __sys_sendmsg+0xcd/0x170
[  110.528293][   T72]      do_syscall_64+0xc6/0x1e0
[  110.528293][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  110.528293][   T72] 
[  110.530443][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  110.530443][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  110.530443][   T72]      ipv6_find_idev+0x102/0x170
[  110.530443][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  110.530443][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  110.530443][   T72]      netlink_rcv_skb+0x130/0x360
[  110.530443][   T72]      netlink_unicast+0x449/0x710
[  110.530443][   T72]      netlink_sendmsg+0x723/0xbe0
[  110.530443][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  110.530443][   T72]      ___sys_sendmsg+0xee/0x170
[  110.530443][   T72]      __sys_sendmsg+0xcd/0x170
[  110.530443][   T72]      do_syscall_64+0xc6/0x1e0
[  110.530443][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  110.530443][   T72] 
[  110.532066][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  110.532066][   T72]      neigh_parms_alloc+0x1e5/0x510
[  110.532066][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  110.532066][   T72]      ipv6_find_idev+0x102/0x170
[  110.532066][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  110.532066][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  110.532066][   T72]      netlink_rcv_skb+0x130/0x360
[  110.532066][   T72]      netlink_unicast+0x449/0x710
[  110.532066][   T72]      netlink_sendmsg+0x723/0xbe0
[  110.532066][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  110.532066][   T72]      ___sys_sendmsg+0xee/0x170
[  110.532066][   T72]      __sys_sendmsg+0xcd/0x170
[  110.532066][   T72]      do_syscall_64+0xc6/0x1e0
[  110.532066][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  110.532066][   T72] 
[  110.533848][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  110.534129][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  110.534129][   T72]      netdev_get_by_index+0x5e/0x80
[  110.534129][   T72]      fib6_nh_init+0x3d8/0x1580
[  110.534129][   T72]      ip6_route_info_create+0xf18/0x17d0
[  110.534129][   T72]      ip6_route_add+0x1c/0x140
[  110.534129][   T72]      addrconf_prefix_route+0x2a6/0x430
[  110.534129][   T72]      inet6_addr_add+0x4f8/0xa40
[  110.534129][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  110.534129][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  110.534129][   T72]      netlink_rcv_skb+0x130/0x360
[  110.534129][   T72]      netlink_unicast+0x449/0x710
[  110.534129][   T72]      netlink_sendmsg+0x723/0xbe0
[  110.534129][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  110.534129][   T72]      ___sys_sendmsg+0xee/0x170
[  110.534129][   T72]      __sys_sendmsg+0xcd/0x170
[  110.534129][   T72]      do_syscall_64+0xc6/0x1e0
[  110.534129][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  110.534129][   T72] 
[  110.536259][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  110.536259][   T72]      netdev_get_by_index+0x5e/0x80
[  110.536259][   T72]      fib6_nh_init+0x3d8/0x1580
[  110.536259][   T72]      ip6_route_info_create+0xf18/0x17d0
[  110.536259][   T72]      addrconf_f6i_alloc+0x315/0x560
[  110.536259][   T72]      ipv6_add_addr+0x411/0x2000
[  110.536259][   T72]      inet6_addr_add+0x30e/0xa40
[  110.536259][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  110.536259][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  110.536259][   T72]      netlink_rcv_skb+0x130/0x360
[  110.536259][   T72]      netlink_unicast+0x449/0x710
[  110.536259][   T72]      netlink_sendmsg+0x723/0xbe0
[  110.536259][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  110.536259][   T72]      ___sys_sendmsg+0xee/0x170
[  110.536259][   T72]      __sys_sendmsg+0xcd/0x170
[  110.536259][   T72]      do_syscall_64+0xc6/0x1e0
[  110.536259][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  110.536259][   T72] 
[  110.538376][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  110.538376][   T72]      netdev_get_by_index+0x5e/0x80
[  110.538376][   T72]      fib6_nh_init+0x3d8/0x1580
[  110.538376][   T72]      ip6_route_info_create+0xf18/0x17d0
[  110.538376][   T72]      ip6_route_add+0x1c/0x140
[  110.538376][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  110.538376][   T72]      addrconf_add_dev+0xe2/0x170
[  110.538376][   T72]      inet6_addr_add+0x12f/0xa40
[  110.538376][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  110.538376][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  110.538376][   T72]      netlink_rcv_skb+0x130/0x360
[  110.538376][   T72]      netlink_unicast+0x449/0x710
[  110.538376][   T72]      netlink_sendmsg+0x723/0xbe0
[  110.538376][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  110.538376][   T72]      ___sys_sendmsg+0xee/0x170
[  110.538376][   T72]      __sys_sendmsg+0xcd/0x170
[  110.538376][   T72]      do_syscall_64+0xc6/0x1e0
[  110.538376][   T72] 
[  110.540449][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  110.540449][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  110.540449][   T72]      ipv6_find_idev+0x102/0x170
[  110.540449][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  110.540449][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  110.540449][   T72]      netlink_rcv_skb+0x130/0x360
[  110.540449][   T72]      netlink_unicast+0x449/0x710
[  110.540449][   T72]      netlink_sendmsg+0x723/0xbe0
[  110.540449][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  110.540449][   T72]      ___sys_sendmsg+0xee/0x170
[  110.540449][   T72]      __sys_sendmsg+0xcd/0x170
[  110.540449][   T72]      do_syscall_64+0xc6/0x1e0
[  110.540449][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  110.540449][   T72] 
[  110.542111][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  110.542111][   T72]      neigh_parms_alloc+0x1e5/0x510
[  110.542111][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  110.542111][   T72]      ipv6_find_idev+0x102/0x170
[  110.542111][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  110.542111][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  110.542111][   T72]      netlink_rcv_skb+0x130/0x360
[  110.542111][   T72]      netlink_unicast+0x449/0x710
[  110.542111][   T72]      netlink_sendmsg+0x723/0xbe0
[  110.542111][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  110.542111][   T72]      ___sys_sendmsg+0xee/0x170
[  110.542111][   T72]      __sys_sendmsg+0xcd/0x170
[  110.542111][   T72]      do_syscall_64+0xc6/0x1e0
[  110.542111][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  110.542111][   T72] 
[  120.783829][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  120.784322][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  120.784322][   T72]      netdev_get_by_index+0x5e/0x80
[  120.784322][   T72]      fib6_nh_init+0x3d8/0x1580
[  120.784322][   T72]      ip6_route_info_create+0xf18/0x17d0
[  120.784322][   T72]      addrconf_f6i_alloc+0x315/0x560
[  120.784322][   T72]      ipv6_add_addr+0x411/0x2000
[  120.784322][   T72]      inet6_addr_add+0x30e/0xa40
[  120.784322][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  120.784322][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  120.784322][   T72]      netlink_rcv_skb+0x130/0x360
[  120.784322][   T72]      netlink_unicast+0x449/0x710
[  120.784322][   T72]      netlink_sendmsg+0x723/0xbe0
[  120.784322][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  120.784322][   T72]      ___sys_sendmsg+0xee/0x170
[  120.784322][   T72]      __sys_sendmsg+0xcd/0x170
[  120.784322][   T72]      do_syscall_64+0xc6/0x1e0
[  120.784322][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  120.784322][   T72] 
[  120.786467][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  120.786467][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  120.786467][   T72]      ipv6_find_idev+0x102/0x170
[  120.786467][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  120.786467][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  120.786467][   T72]      netlink_rcv_skb+0x130/0x360
[  120.786467][   T72]      netlink_unicast+0x449/0x710
[  120.786467][   T72]      netlink_sendmsg+0x723/0xbe0
[  120.786467][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  120.786467][   T72]      ___sys_sendmsg+0xee/0x170
[  120.786467][   T72]      __sys_sendmsg+0xcd/0x170
[  120.786467][   T72]      do_syscall_64+0xc6/0x1e0
[  120.786467][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  120.786467][   T72] 
[  120.788087][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  120.788087][   T72]      neigh_parms_alloc+0x1e5/0x510
[  120.788087][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  120.788087][   T72]      ipv6_find_idev+0x102/0x170
[  120.788087][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  120.788087][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  120.788087][   T72]      netlink_rcv_skb+0x130/0x360
[  120.788087][   T72]      netlink_unicast+0x449/0x710
[  120.788087][   T72]      netlink_sendmsg+0x723/0xbe0
[  120.788087][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  120.788087][   T72]      ___sys_sendmsg+0xee/0x170
[  120.788087][   T72]      __sys_sendmsg+0xcd/0x170
[  120.788087][   T72]      do_syscall_64+0xc6/0x1e0
[  120.788087][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  120.788087][   T72] 
[  120.789875][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  120.790127][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  120.790127][   T72]      netdev_get_by_index+0x5e/0x80
[  120.790127][   T72]      fib6_nh_init+0x3d8/0x1580
[  120.790127][   T72]      ip6_route_info_create+0xf18/0x17d0
[  120.790127][   T72]      ip6_route_add+0x1c/0x140
[  120.790127][   T72]      addrconf_prefix_route+0x2a6/0x430
[  120.790127][   T72]      inet6_addr_add+0x4f8/0xa40
[  120.790127][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  120.790127][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  120.790127][   T72]      netlink_rcv_skb+0x130/0x360
[  120.790127][   T72]      netlink_unicast+0x449/0x710
[  120.790127][   T72]      netlink_sendmsg+0x723/0xbe0
[  120.790127][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  120.790127][   T72]      ___sys_sendmsg+0xee/0x170
[  120.790127][   T72]      __sys_sendmsg+0xcd/0x170
[  120.790127][   T72]      do_syscall_64+0xc6/0x1e0
[  120.790127][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  120.790127][   T72] 
[  120.792243][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  120.792243][   T72]      netdev_get_by_index+0x5e/0x80
[  120.792243][   T72]      fib6_nh_init+0x3d8/0x1580
[  120.792243][   T72]      ip6_route_info_create+0xf18/0x17d0
[  120.792243][   T72]      addrconf_f6i_alloc+0x315/0x560
[  120.792243][   T72]      ipv6_add_addr+0x411/0x2000
[  120.792243][   T72]      inet6_addr_add+0x30e/0xa40
[  120.792243][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  120.792243][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  120.792243][   T72]      netlink_rcv_skb+0x130/0x360
[  120.792243][   T72]      netlink_unicast+0x449/0x710
[  120.792243][   T72]      netlink_sendmsg+0x723/0xbe0
[  120.792243][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  120.792243][   T72]      ___sys_sendmsg+0xee/0x170
[  120.792243][   T72]      __sys_sendmsg+0xcd/0x170
[  120.792243][   T72]      do_syscall_64+0xc6/0x1e0
[  120.792243][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  120.792243][   T72] 
[  120.794363][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  120.794363][   T72]      netdev_get_by_index+0x5e/0x80
[  120.794363][   T72]      fib6_nh_init+0x3d8/0x1580
[  120.794363][   T72]      ip6_route_info_create+0xf18/0x17d0
[  120.794363][   T72]      ip6_route_add+0x1c/0x140
[  120.794363][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  120.794363][   T72]      addrconf_add_dev+0xe2/0x170
[  120.794363][   T72]      inet6_addr_add+0x12f/0xa40
[  120.794363][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  120.794363][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  120.794363][   T72]      netlink_rcv_skb+0x130/0x360
[  120.794363][   T72]      netlink_unicast+0x449/0x710
[  120.794363][   T72]      netlink_sendmsg+0x723/0xbe0
[  120.794363][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  120.794363][   T72]      ___sys_sendmsg+0xee/0x170
[  120.794363][   T72]      __sys_sendmsg+0xcd/0x170
[  120.794363][   T72]      do_syscall_64+0xc6/0x1e0
[  120.794363][   T72] 
[  120.796416][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  120.796416][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  120.796416][   T72]      ipv6_find_idev+0x102/0x170
[  120.796416][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  120.796416][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  120.796416][   T72]      netlink_rcv_skb+0x130/0x360
[  120.796416][   T72]      netlink_unicast+0x449/0x710
[  120.796416][   T72]      netlink_sendmsg+0x723/0xbe0
[  120.796416][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  120.796416][   T72]      ___sys_sendmsg+0xee/0x170
[  120.796416][   T72]      __sys_sendmsg+0xcd/0x170
[  120.796416][   T72]      do_syscall_64+0xc6/0x1e0
[  120.796416][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  120.796416][   T72] 
[  120.798049][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  120.798049][   T72]      neigh_parms_alloc+0x1e5/0x510
[  120.798049][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  120.798049][   T72]      ipv6_find_idev+0x102/0x170
[  120.798049][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  120.798049][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  120.798049][   T72]      netlink_rcv_skb+0x130/0x360
[  120.798049][   T72]      netlink_unicast+0x449/0x710
[  120.798049][   T72]      netlink_sendmsg+0x723/0xbe0
[  120.798049][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  120.798049][   T72]      ___sys_sendmsg+0xee/0x170
[  120.798049][   T72]      __sys_sendmsg+0xcd/0x170
[  120.798049][   T72]      do_syscall_64+0xc6/0x1e0
[  120.798049][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  120.798049][   T72] 
[  131.039821][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  131.040299][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  131.040299][   T72]      netdev_get_by_index+0x5e/0x80
[  131.040299][   T72]      fib6_nh_init+0x3d8/0x1580
[  131.040299][   T72]      ip6_route_info_create+0xf18/0x17d0
[  131.040299][   T72]      addrconf_f6i_alloc+0x315/0x560
[  131.040299][   T72]      ipv6_add_addr+0x411/0x2000
[  131.040299][   T72]      inet6_addr_add+0x30e/0xa40
[  131.040299][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  131.040299][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  131.040299][   T72]      netlink_rcv_skb+0x130/0x360
[  131.040299][   T72]      netlink_unicast+0x449/0x710
[  131.040299][   T72]      netlink_sendmsg+0x723/0xbe0
[  131.040299][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  131.040299][   T72]      ___sys_sendmsg+0xee/0x170
[  131.040299][   T72]      __sys_sendmsg+0xcd/0x170
[  131.040299][   T72]      do_syscall_64+0xc6/0x1e0
[  131.040299][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  131.040299][   T72] 
[  131.042482][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  131.042482][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  131.042482][   T72]      ipv6_find_idev+0x102/0x170
[  131.042482][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  131.042482][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  131.042482][   T72]      netlink_rcv_skb+0x130/0x360
[  131.042482][   T72]      netlink_unicast+0x449/0x710
[  131.042482][   T72]      netlink_sendmsg+0x723/0xbe0
[  131.042482][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  131.042482][   T72]      ___sys_sendmsg+0xee/0x170
[  131.042482][   T72]      __sys_sendmsg+0xcd/0x170
[  131.042482][   T72]      do_syscall_64+0xc6/0x1e0
[  131.042482][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  131.042482][   T72] 
[  131.044121][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  131.044121][   T72]      neigh_parms_alloc+0x1e5/0x510
[  131.044121][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  131.044121][   T72]      ipv6_find_idev+0x102/0x170
[  131.044121][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  131.044121][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  131.044121][   T72]      netlink_rcv_skb+0x130/0x360
[  131.044121][   T72]      netlink_unicast+0x449/0x710
[  131.044121][   T72]      netlink_sendmsg+0x723/0xbe0
[  131.044121][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  131.044121][   T72]      ___sys_sendmsg+0xee/0x170
[  131.044121][   T72]      __sys_sendmsg+0xcd/0x170
[  131.044121][   T72]      do_syscall_64+0xc6/0x1e0
[  131.044121][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  131.044121][   T72] 
[  131.045912][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  131.046172][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  131.046172][   T72]      netdev_get_by_index+0x5e/0x80
[  131.046172][   T72]      fib6_nh_init+0x3d8/0x1580
[  131.046172][   T72]      ip6_route_info_create+0xf18/0x17d0
[  131.046172][   T72]      ip6_route_add+0x1c/0x140
[  131.046172][   T72]      addrconf_prefix_route+0x2a6/0x430
[  131.046172][   T72]      inet6_addr_add+0x4f8/0xa40
[  131.046172][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  131.046172][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  131.046172][   T72]      netlink_rcv_skb+0x130/0x360
[  131.046172][   T72]      netlink_unicast+0x449/0x710
[  131.046172][   T72]      netlink_sendmsg+0x723/0xbe0
[  131.046172][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  131.046172][   T72]      ___sys_sendmsg+0xee/0x170
[  131.046172][   T72]      __sys_sendmsg+0xcd/0x170
[  131.046172][   T72]      do_syscall_64+0xc6/0x1e0
[  131.046172][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  131.046172][   T72] 
[  131.048277][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  131.048277][   T72]      netdev_get_by_index+0x5e/0x80
[  131.048277][   T72]      fib6_nh_init+0x3d8/0x1580
[  131.048277][   T72]      ip6_route_info_create+0xf18/0x17d0
[  131.048277][   T72]      addrconf_f6i_alloc+0x315/0x560
[  131.048277][   T72]      ipv6_add_addr+0x411/0x2000
[  131.048277][   T72]      inet6_addr_add+0x30e/0xa40
[  131.048277][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  131.048277][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  131.048277][   T72]      netlink_rcv_skb+0x130/0x360
[  131.048277][   T72]      netlink_unicast+0x449/0x710
[  131.048277][   T72]      netlink_sendmsg+0x723/0xbe0
[  131.048277][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  131.048277][   T72]      ___sys_sendmsg+0xee/0x170
[  131.048277][   T72]      __sys_sendmsg+0xcd/0x170
[  131.048277][   T72]      do_syscall_64+0xc6/0x1e0
[  131.048277][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  131.048277][   T72] 
[  131.050387][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  131.050387][   T72]      netdev_get_by_index+0x5e/0x80
[  131.050387][   T72]      fib6_nh_init+0x3d8/0x1580
[  131.050387][   T72]      ip6_route_info_create+0xf18/0x17d0
[  131.050387][   T72]      ip6_route_add+0x1c/0x140
[  131.050387][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  131.050387][   T72]      addrconf_add_dev+0xe2/0x170
[  131.050387][   T72]      inet6_addr_add+0x12f/0xa40
[  131.050387][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  131.050387][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  131.050387][   T72]      netlink_rcv_skb+0x130/0x360
[  131.050387][   T72]      netlink_unicast+0x449/0x710
[  131.050387][   T72]      netlink_sendmsg+0x723/0xbe0
[  131.050387][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  131.050387][   T72]      ___sys_sendmsg+0xee/0x170
[  131.050387][   T72]      __sys_sendmsg+0xcd/0x170
[  131.050387][   T72]      do_syscall_64+0xc6/0x1e0
[  131.050387][   T72] 
[  131.052452][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  131.052452][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  131.052452][   T72]      ipv6_find_idev+0x102/0x170
[  131.052452][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  131.052452][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  131.052452][   T72]      netlink_rcv_skb+0x130/0x360
[  131.052452][   T72]      netlink_unicast+0x449/0x710
[  131.052452][   T72]      netlink_sendmsg+0x723/0xbe0
[  131.052452][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  131.052452][   T72]      ___sys_sendmsg+0xee/0x170
[  131.052452][   T72]      __sys_sendmsg+0xcd/0x170
[  131.052452][   T72]      do_syscall_64+0xc6/0x1e0
[  131.052452][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  131.052452][   T72] 
[  131.054075][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  131.054075][   T72]      neigh_parms_alloc+0x1e5/0x510
[  131.054075][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  131.054075][   T72]      ipv6_find_idev+0x102/0x170
[  131.054075][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  131.054075][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  131.054075][   T72]      netlink_rcv_skb+0x130/0x360
[  131.054075][   T72]      netlink_unicast+0x449/0x710
[  131.054075][   T72]      netlink_sendmsg+0x723/0xbe0
[  131.054075][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  131.054075][   T72]      ___sys_sendmsg+0xee/0x170
[  131.054075][   T72]      __sys_sendmsg+0xcd/0x170
[  131.054075][   T72]      do_syscall_64+0xc6/0x1e0
[  131.054075][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  131.054075][   T72] 
[  141.295827][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  141.296304][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  141.296304][   T72]      netdev_get_by_index+0x5e/0x80
[  141.296304][   T72]      fib6_nh_init+0x3d8/0x1580
[  141.296304][   T72]      ip6_route_info_create+0xf18/0x17d0
[  141.296304][   T72]      addrconf_f6i_alloc+0x315/0x560
[  141.296304][   T72]      ipv6_add_addr+0x411/0x2000
[  141.296304][   T72]      inet6_addr_add+0x30e/0xa40
[  141.296304][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  141.296304][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  141.296304][   T72]      netlink_rcv_skb+0x130/0x360
[  141.296304][   T72]      netlink_unicast+0x449/0x710
[  141.296304][   T72]      netlink_sendmsg+0x723/0xbe0
[  141.296304][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  141.296304][   T72]      ___sys_sendmsg+0xee/0x170
[  141.296304][   T72]      __sys_sendmsg+0xcd/0x170
[  141.296304][   T72]      do_syscall_64+0xc6/0x1e0
[  141.296304][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  141.296304][   T72] 
[  141.298470][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  141.298470][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  141.298470][   T72]      ipv6_find_idev+0x102/0x170
[  141.298470][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  141.298470][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  141.298470][   T72]      netlink_rcv_skb+0x130/0x360
[  141.298470][   T72]      netlink_unicast+0x449/0x710
[  141.298470][   T72]      netlink_sendmsg+0x723/0xbe0
[  141.298470][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  141.298470][   T72]      ___sys_sendmsg+0xee/0x170
[  141.298470][   T72]      __sys_sendmsg+0xcd/0x170
[  141.298470][   T72]      do_syscall_64+0xc6/0x1e0
[  141.298470][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  141.298470][   T72] 
[  141.300100][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  141.300100][   T72]      neigh_parms_alloc+0x1e5/0x510
[  141.300100][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  141.300100][   T72]      ipv6_find_idev+0x102/0x170
[  141.300100][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  141.300100][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  141.300100][   T72]      netlink_rcv_skb+0x130/0x360
[  141.300100][   T72]      netlink_unicast+0x449/0x710
[  141.300100][   T72]      netlink_sendmsg+0x723/0xbe0
[  141.300100][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  141.300100][   T72]      ___sys_sendmsg+0xee/0x170
[  141.300100][   T72]      __sys_sendmsg+0xcd/0x170
[  141.300100][   T72]      do_syscall_64+0xc6/0x1e0
[  141.300100][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  141.300100][   T72] 
[  141.301884][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  141.302133][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  141.302133][   T72]      netdev_get_by_index+0x5e/0x80
[  141.302133][   T72]      fib6_nh_init+0x3d8/0x1580
[  141.302133][   T72]      ip6_route_info_create+0xf18/0x17d0
[  141.302133][   T72]      ip6_route_add+0x1c/0x140
[  141.302133][   T72]      addrconf_prefix_route+0x2a6/0x430
[  141.302133][   T72]      inet6_addr_add+0x4f8/0xa40
[  141.302133][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  141.302133][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  141.302133][   T72]      netlink_rcv_skb+0x130/0x360
[  141.302133][   T72]      netlink_unicast+0x449/0x710
[  141.302133][   T72]      netlink_sendmsg+0x723/0xbe0
[  141.302133][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  141.302133][   T72]      ___sys_sendmsg+0xee/0x170
[  141.302133][   T72]      __sys_sendmsg+0xcd/0x170
[  141.302133][   T72]      do_syscall_64+0xc6/0x1e0
[  141.302133][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  141.302133][   T72] 
[  141.304231][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  141.304231][   T72]      netdev_get_by_index+0x5e/0x80
[  141.304231][   T72]      fib6_nh_init+0x3d8/0x1580
[  141.304231][   T72]      ip6_route_info_create+0xf18/0x17d0
[  141.304231][   T72]      addrconf_f6i_alloc+0x315/0x560
[  141.304231][   T72]      ipv6_add_addr+0x411/0x2000
[  141.304231][   T72]      inet6_addr_add+0x30e/0xa40
[  141.304231][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  141.304231][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  141.304231][   T72]      netlink_rcv_skb+0x130/0x360
[  141.304231][   T72]      netlink_unicast+0x449/0x710
[  141.304231][   T72]      netlink_sendmsg+0x723/0xbe0
[  141.304231][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  141.304231][   T72]      ___sys_sendmsg+0xee/0x170
[  141.304231][   T72]      __sys_sendmsg+0xcd/0x170
[  141.304231][   T72]      do_syscall_64+0xc6/0x1e0
[  141.304231][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  141.304231][   T72] 
[  141.306329][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  141.306329][   T72]      netdev_get_by_index+0x5e/0x80
[  141.306329][   T72]      fib6_nh_init+0x3d8/0x1580
[  141.306329][   T72]      ip6_route_info_create+0xf18/0x17d0
[  141.306329][   T72]      ip6_route_add+0x1c/0x140
[  141.306329][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  141.306329][   T72]      addrconf_add_dev+0xe2/0x170
[  141.306329][   T72]      inet6_addr_add+0x12f/0xa40
[  141.306329][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  141.306329][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  141.306329][   T72]      netlink_rcv_skb+0x130/0x360
[  141.306329][   T72]      netlink_unicast+0x449/0x710
[  141.306329][   T72]      netlink_sendmsg+0x723/0xbe0
[  141.306329][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  141.306329][   T72]      ___sys_sendmsg+0xee/0x170
[  141.306329][   T72]      __sys_sendmsg+0xcd/0x170
[  141.306329][   T72]      do_syscall_64+0xc6/0x1e0
[  141.306329][   T72] 
[  141.308390][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  141.308390][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  141.308390][   T72]      ipv6_find_idev+0x102/0x170
[  141.308390][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  141.308390][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  141.308390][   T72]      netlink_rcv_skb+0x130/0x360
[  141.308390][   T72]      netlink_unicast+0x449/0x710
[  141.308390][   T72]      netlink_sendmsg+0x723/0xbe0
[  141.308390][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  141.308390][   T72]      ___sys_sendmsg+0xee/0x170
[  141.308390][   T72]      __sys_sendmsg+0xcd/0x170
[  141.308390][   T72]      do_syscall_64+0xc6/0x1e0
[  141.308390][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  141.308390][   T72] 
[  141.309996][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  141.309996][   T72]      neigh_parms_alloc+0x1e5/0x510
[  141.309996][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  141.309996][   T72]      ipv6_find_idev+0x102/0x170
[  141.309996][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  141.309996][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  141.309996][   T72]      netlink_rcv_skb+0x130/0x360
[  141.309996][   T72]      netlink_unicast+0x449/0x710
[  141.309996][   T72]      netlink_sendmsg+0x723/0xbe0
[  141.309996][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  141.309996][   T72]      ___sys_sendmsg+0xee/0x170
[  141.309996][   T72]      __sys_sendmsg+0xcd/0x170
[  141.309996][   T72]      do_syscall_64+0xc6/0x1e0
[  141.309996][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  141.309996][   T72] 
[  151.551815][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  151.552298][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  151.552298][   T72]      netdev_get_by_index+0x5e/0x80
[  151.552298][   T72]      fib6_nh_init+0x3d8/0x1580
[  151.552298][   T72]      ip6_route_info_create+0xf18/0x17d0
[  151.552298][   T72]      addrconf_f6i_alloc+0x315/0x560
[  151.552298][   T72]      ipv6_add_addr+0x411/0x2000
[  151.552298][   T72]      inet6_addr_add+0x30e/0xa40
[  151.552298][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  151.552298][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  151.552298][   T72]      netlink_rcv_skb+0x130/0x360
[  151.552298][   T72]      netlink_unicast+0x449/0x710
[  151.552298][   T72]      netlink_sendmsg+0x723/0xbe0
[  151.552298][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  151.552298][   T72]      ___sys_sendmsg+0xee/0x170
[  151.552298][   T72]      __sys_sendmsg+0xcd/0x170
[  151.552298][   T72]      do_syscall_64+0xc6/0x1e0
[  151.552298][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  151.552298][   T72] 
[  151.554448][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  151.554448][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  151.554448][   T72]      ipv6_find_idev+0x102/0x170
[  151.554448][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  151.554448][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  151.554448][   T72]      netlink_rcv_skb+0x130/0x360
[  151.554448][   T72]      netlink_unicast+0x449/0x710
[  151.554448][   T72]      netlink_sendmsg+0x723/0xbe0
[  151.554448][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  151.554448][   T72]      ___sys_sendmsg+0xee/0x170
[  151.554448][   T72]      __sys_sendmsg+0xcd/0x170
[  151.554448][   T72]      do_syscall_64+0xc6/0x1e0
[  151.554448][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  151.554448][   T72] 
[  151.556069][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  151.556069][   T72]      neigh_parms_alloc+0x1e5/0x510
[  151.556069][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  151.556069][   T72]      ipv6_find_idev+0x102/0x170
[  151.556069][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  151.556069][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  151.556069][   T72]      netlink_rcv_skb+0x130/0x360
[  151.556069][   T72]      netlink_unicast+0x449/0x710
[  151.556069][   T72]      netlink_sendmsg+0x723/0xbe0
[  151.556069][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  151.556069][   T72]      ___sys_sendmsg+0xee/0x170
[  151.556069][   T72]      __sys_sendmsg+0xcd/0x170
[  151.556069][   T72]      do_syscall_64+0xc6/0x1e0
[  151.556069][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  151.556069][   T72] 
[  151.557863][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  151.558113][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  151.558113][   T72]      netdev_get_by_index+0x5e/0x80
[  151.558113][   T72]      fib6_nh_init+0x3d8/0x1580
[  151.558113][   T72]      ip6_route_info_create+0xf18/0x17d0
[  151.558113][   T72]      ip6_route_add+0x1c/0x140
[  151.558113][   T72]      addrconf_prefix_route+0x2a6/0x430
[  151.558113][   T72]      inet6_addr_add+0x4f8/0xa40
[  151.558113][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  151.558113][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  151.558113][   T72]      netlink_rcv_skb+0x130/0x360
[  151.558113][   T72]      netlink_unicast+0x449/0x710
[  151.558113][   T72]      netlink_sendmsg+0x723/0xbe0
[  151.558113][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  151.558113][   T72]      ___sys_sendmsg+0xee/0x170
[  151.558113][   T72]      __sys_sendmsg+0xcd/0x170
[  151.558113][   T72]      do_syscall_64+0xc6/0x1e0
[  151.558113][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  151.558113][   T72] 
[  151.560217][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  151.560217][   T72]      netdev_get_by_index+0x5e/0x80
[  151.560217][   T72]      fib6_nh_init+0x3d8/0x1580
[  151.560217][   T72]      ip6_route_info_create+0xf18/0x17d0
[  151.560217][   T72]      addrconf_f6i_alloc+0x315/0x560
[  151.560217][   T72]      ipv6_add_addr+0x411/0x2000
[  151.560217][   T72]      inet6_addr_add+0x30e/0xa40
[  151.560217][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  151.560217][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  151.560217][   T72]      netlink_rcv_skb+0x130/0x360
[  151.560217][   T72]      netlink_unicast+0x449/0x710
[  151.560217][   T72]      netlink_sendmsg+0x723/0xbe0
[  151.560217][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  151.560217][   T72]      ___sys_sendmsg+0xee/0x170
[  151.560217][   T72]      __sys_sendmsg+0xcd/0x170
[  151.560217][   T72]      do_syscall_64+0xc6/0x1e0
[  151.560217][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  151.560217][   T72] 
[  151.562320][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  151.562320][   T72]      netdev_get_by_index+0x5e/0x80
[  151.562320][   T72]      fib6_nh_init+0x3d8/0x1580
[  151.562320][   T72]      ip6_route_info_create+0xf18/0x17d0
[  151.562320][   T72]      ip6_route_add+0x1c/0x140
[  151.562320][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  151.562320][   T72]      addrconf_add_dev+0xe2/0x170
[  151.562320][   T72]      inet6_addr_add+0x12f/0xa40
[  151.562320][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  151.562320][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  151.562320][   T72]      netlink_rcv_skb+0x130/0x360
[  151.562320][   T72]      netlink_unicast+0x449/0x710
[  151.562320][   T72]      netlink_sendmsg+0x723/0xbe0
[  151.562320][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  151.562320][   T72]      ___sys_sendmsg+0xee/0x170
[  151.562320][   T72]      __sys_sendmsg+0xcd/0x170
[  151.562320][   T72]      do_syscall_64+0xc6/0x1e0
[  151.562320][   T72] 
[  151.564390][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  151.564390][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  151.564390][   T72]      ipv6_find_idev+0x102/0x170
[  151.564390][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  151.564390][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  151.564390][   T72]      netlink_rcv_skb+0x130/0x360
[  151.564390][   T72]      netlink_unicast+0x449/0x710
[  151.564390][   T72]      netlink_sendmsg+0x723/0xbe0
[  151.564390][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  151.564390][   T72]      ___sys_sendmsg+0xee/0x170
[  151.564390][   T72]      __sys_sendmsg+0xcd/0x170
[  151.564390][   T72]      do_syscall_64+0xc6/0x1e0
[  151.564390][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  151.564390][   T72] 
[  151.566006][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  151.566006][   T72]      neigh_parms_alloc+0x1e5/0x510
[  151.566006][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  151.566006][   T72]      ipv6_find_idev+0x102/0x170
[  151.566006][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  151.566006][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  151.566006][   T72]      netlink_rcv_skb+0x130/0x360
[  151.566006][   T72]      netlink_unicast+0x449/0x710
[  151.566006][   T72]      netlink_sendmsg+0x723/0xbe0
[  151.566006][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  151.566006][   T72]      ___sys_sendmsg+0xee/0x170
[  151.566006][   T72]      __sys_sendmsg+0xcd/0x170
[  151.566006][   T72]      do_syscall_64+0xc6/0x1e0
[  151.566006][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  151.566006][   T72] 
[  161.807833][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  161.808321][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  161.808321][   T72]      netdev_get_by_index+0x5e/0x80
[  161.808321][   T72]      fib6_nh_init+0x3d8/0x1580
[  161.808321][   T72]      ip6_route_info_create+0xf18/0x17d0
[  161.808321][   T72]      addrconf_f6i_alloc+0x315/0x560
[  161.808321][   T72]      ipv6_add_addr+0x411/0x2000
[  161.808321][   T72]      inet6_addr_add+0x30e/0xa40
[  161.808321][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  161.808321][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  161.808321][   T72]      netlink_rcv_skb+0x130/0x360
[  161.808321][   T72]      netlink_unicast+0x449/0x710
[  161.808321][   T72]      netlink_sendmsg+0x723/0xbe0
[  161.808321][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  161.808321][   T72]      ___sys_sendmsg+0xee/0x170
[  161.808321][   T72]      __sys_sendmsg+0xcd/0x170
[  161.808321][   T72]      do_syscall_64+0xc6/0x1e0
[  161.808321][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  161.808321][   T72] 
[  161.810462][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  161.810462][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  161.810462][   T72]      ipv6_find_idev+0x102/0x170
[  161.810462][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  161.810462][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  161.810462][   T72]      netlink_rcv_skb+0x130/0x360
[  161.810462][   T72]      netlink_unicast+0x449/0x710
[  161.810462][   T72]      netlink_sendmsg+0x723/0xbe0
[  161.810462][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  161.810462][   T72]      ___sys_sendmsg+0xee/0x170
[  161.810462][   T72]      __sys_sendmsg+0xcd/0x170
[  161.810462][   T72]      do_syscall_64+0xc6/0x1e0
[  161.810462][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  161.810462][   T72] 
[  161.812085][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  161.812085][   T72]      neigh_parms_alloc+0x1e5/0x510
[  161.812085][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  161.812085][   T72]      ipv6_find_idev+0x102/0x170
[  161.812085][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  161.812085][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  161.812085][   T72]      netlink_rcv_skb+0x130/0x360
[  161.812085][   T72]      netlink_unicast+0x449/0x710
[  161.812085][   T72]      netlink_sendmsg+0x723/0xbe0
[  161.812085][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  161.812085][   T72]      ___sys_sendmsg+0xee/0x170
[  161.812085][   T72]      __sys_sendmsg+0xcd/0x170
[  161.812085][   T72]      do_syscall_64+0xc6/0x1e0
[  161.812085][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  161.812085][   T72] 
[  161.813865][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  161.814144][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  161.814144][   T72]      netdev_get_by_index+0x5e/0x80
[  161.814144][   T72]      fib6_nh_init+0x3d8/0x1580
[  161.814144][   T72]      ip6_route_info_create+0xf18/0x17d0
[  161.814144][   T72]      ip6_route_add+0x1c/0x140
[  161.814144][   T72]      addrconf_prefix_route+0x2a6/0x430
[  161.814144][   T72]      inet6_addr_add+0x4f8/0xa40
[  161.814144][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  161.814144][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  161.814144][   T72]      netlink_rcv_skb+0x130/0x360
[  161.814144][   T72]      netlink_unicast+0x449/0x710
[  161.814144][   T72]      netlink_sendmsg+0x723/0xbe0
[  161.814144][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  161.814144][   T72]      ___sys_sendmsg+0xee/0x170
[  161.814144][   T72]      __sys_sendmsg+0xcd/0x170
[  161.814144][   T72]      do_syscall_64+0xc6/0x1e0
[  161.814144][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  161.814144][   T72] 
[  161.816248][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  161.816248][   T72]      netdev_get_by_index+0x5e/0x80
[  161.816248][   T72]      fib6_nh_init+0x3d8/0x1580
[  161.816248][   T72]      ip6_route_info_create+0xf18/0x17d0
[  161.816248][   T72]      addrconf_f6i_alloc+0x315/0x560
[  161.816248][   T72]      ipv6_add_addr+0x411/0x2000
[  161.816248][   T72]      inet6_addr_add+0x30e/0xa40
[  161.816248][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  161.816248][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  161.816248][   T72]      netlink_rcv_skb+0x130/0x360
[  161.816248][   T72]      netlink_unicast+0x449/0x710
[  161.816248][   T72]      netlink_sendmsg+0x723/0xbe0
[  161.816248][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  161.816248][   T72]      ___sys_sendmsg+0xee/0x170
[  161.816248][   T72]      __sys_sendmsg+0xcd/0x170
[  161.816248][   T72]      do_syscall_64+0xc6/0x1e0
[  161.816248][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  161.816248][   T72] 
[  161.818353][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  161.818353][   T72]      netdev_get_by_index+0x5e/0x80
[  161.818353][   T72]      fib6_nh_init+0x3d8/0x1580
[  161.818353][   T72]      ip6_route_info_create+0xf18/0x17d0
[  161.818353][   T72]      ip6_route_add+0x1c/0x140
[  161.818353][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  161.818353][   T72]      addrconf_add_dev+0xe2/0x170
[  161.818353][   T72]      inet6_addr_add+0x12f/0xa40
[  161.818353][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  161.818353][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  161.818353][   T72]      netlink_rcv_skb+0x130/0x360
[  161.818353][   T72]      netlink_unicast+0x449/0x710
[  161.818353][   T72]      netlink_sendmsg+0x723/0xbe0
[  161.818353][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  161.818353][   T72]      ___sys_sendmsg+0xee/0x170
[  161.818353][   T72]      __sys_sendmsg+0xcd/0x170
[  161.818353][   T72]      do_syscall_64+0xc6/0x1e0
[  161.818353][   T72] 
[  161.820417][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  161.820417][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  161.820417][   T72]      ipv6_find_idev+0x102/0x170
[  161.820417][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  161.820417][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  161.820417][   T72]      netlink_rcv_skb+0x130/0x360
[  161.820417][   T72]      netlink_unicast+0x449/0x710
[  161.820417][   T72]      netlink_sendmsg+0x723/0xbe0
[  161.820417][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  161.820417][   T72]      ___sys_sendmsg+0xee/0x170
[  161.820417][   T72]      __sys_sendmsg+0xcd/0x170
[  161.820417][   T72]      do_syscall_64+0xc6/0x1e0
[  161.820417][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  161.820417][   T72] 
[  161.822034][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  161.822034][   T72]      neigh_parms_alloc+0x1e5/0x510
[  161.822034][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  161.822034][   T72]      ipv6_find_idev+0x102/0x170
[  161.822034][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  161.822034][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  161.822034][   T72]      netlink_rcv_skb+0x130/0x360
[  161.822034][   T72]      netlink_unicast+0x449/0x710
[  161.822034][   T72]      netlink_sendmsg+0x723/0xbe0
[  161.822034][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  161.822034][   T72]      ___sys_sendmsg+0xee/0x170
[  161.822034][   T72]      __sys_sendmsg+0xcd/0x170
[  161.822034][   T72]      do_syscall_64+0xc6/0x1e0
[  161.822034][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  161.822034][   T72] 
[  172.063851][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  172.064324][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  172.064324][   T72]      netdev_get_by_index+0x5e/0x80
[  172.064324][   T72]      fib6_nh_init+0x3d8/0x1580
[  172.064324][   T72]      ip6_route_info_create+0xf18/0x17d0
[  172.064324][   T72]      addrconf_f6i_alloc+0x315/0x560
[  172.064324][   T72]      ipv6_add_addr+0x411/0x2000
[  172.064324][   T72]      inet6_addr_add+0x30e/0xa40
[  172.064324][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  172.064324][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  172.064324][   T72]      netlink_rcv_skb+0x130/0x360
[  172.064324][   T72]      netlink_unicast+0x449/0x710
[  172.064324][   T72]      netlink_sendmsg+0x723/0xbe0
[  172.064324][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  172.064324][   T72]      ___sys_sendmsg+0xee/0x170
[  172.064324][   T72]      __sys_sendmsg+0xcd/0x170
[  172.064324][   T72]      do_syscall_64+0xc6/0x1e0
[  172.064324][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  172.064324][   T72] 
[  172.066471][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  172.066471][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  172.066471][   T72]      ipv6_find_idev+0x102/0x170
[  172.066471][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  172.066471][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  172.066471][   T72]      netlink_rcv_skb+0x130/0x360
[  172.066471][   T72]      netlink_unicast+0x449/0x710
[  172.066471][   T72]      netlink_sendmsg+0x723/0xbe0
[  172.066471][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  172.066471][   T72]      ___sys_sendmsg+0xee/0x170
[  172.066471][   T72]      __sys_sendmsg+0xcd/0x170
[  172.066471][   T72]      do_syscall_64+0xc6/0x1e0
[  172.066471][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  172.066471][   T72] 
[  172.068100][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  172.068100][   T72]      neigh_parms_alloc+0x1e5/0x510
[  172.068100][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  172.068100][   T72]      ipv6_find_idev+0x102/0x170
[  172.068100][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  172.068100][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  172.068100][   T72]      netlink_rcv_skb+0x130/0x360
[  172.068100][   T72]      netlink_unicast+0x449/0x710
[  172.068100][   T72]      netlink_sendmsg+0x723/0xbe0
[  172.068100][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  172.068100][   T72]      ___sys_sendmsg+0xee/0x170
[  172.068100][   T72]      __sys_sendmsg+0xcd/0x170
[  172.068100][   T72]      do_syscall_64+0xc6/0x1e0
[  172.068100][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  172.068100][   T72] 
[  172.069908][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  172.070178][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  172.070178][   T72]      netdev_get_by_index+0x5e/0x80
[  172.070178][   T72]      fib6_nh_init+0x3d8/0x1580
[  172.070178][   T72]      ip6_route_info_create+0xf18/0x17d0
[  172.070178][   T72]      ip6_route_add+0x1c/0x140
[  172.070178][   T72]      addrconf_prefix_route+0x2a6/0x430
[  172.070178][   T72]      inet6_addr_add+0x4f8/0xa40
[  172.070178][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  172.070178][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  172.070178][   T72]      netlink_rcv_skb+0x130/0x360
[  172.070178][   T72]      netlink_unicast+0x449/0x710
[  172.070178][   T72]      netlink_sendmsg+0x723/0xbe0
[  172.070178][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  172.070178][   T72]      ___sys_sendmsg+0xee/0x170
[  172.070178][   T72]      __sys_sendmsg+0xcd/0x170
[  172.070178][   T72]      do_syscall_64+0xc6/0x1e0
[  172.070178][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  172.070178][   T72] 
[  172.072284][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  172.072284][   T72]      netdev_get_by_index+0x5e/0x80
[  172.072284][   T72]      fib6_nh_init+0x3d8/0x1580
[  172.072284][   T72]      ip6_route_info_create+0xf18/0x17d0
[  172.072284][   T72]      addrconf_f6i_alloc+0x315/0x560
[  172.072284][   T72]      ipv6_add_addr+0x411/0x2000
[  172.072284][   T72]      inet6_addr_add+0x30e/0xa40
[  172.072284][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  172.072284][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  172.072284][   T72]      netlink_rcv_skb+0x130/0x360
[  172.072284][   T72]      netlink_unicast+0x449/0x710
[  172.072284][   T72]      netlink_sendmsg+0x723/0xbe0
[  172.072284][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  172.072284][   T72]      ___sys_sendmsg+0xee/0x170
[  172.072284][   T72]      __sys_sendmsg+0xcd/0x170
[  172.072284][   T72]      do_syscall_64+0xc6/0x1e0
[  172.072284][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  172.072284][   T72] 
[  172.074384][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  172.074384][   T72]      netdev_get_by_index+0x5e/0x80
[  172.074384][   T72]      fib6_nh_init+0x3d8/0x1580
[  172.074384][   T72]      ip6_route_info_create+0xf18/0x17d0
[  172.074384][   T72]      ip6_route_add+0x1c/0x140
[  172.074384][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  172.074384][   T72]      addrconf_add_dev+0xe2/0x170
[  172.074384][   T72]      inet6_addr_add+0x12f/0xa40
[  172.074384][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  172.074384][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  172.074384][   T72]      netlink_rcv_skb+0x130/0x360
[  172.074384][   T72]      netlink_unicast+0x449/0x710
[  172.074384][   T72]      netlink_sendmsg+0x723/0xbe0
[  172.074384][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  172.074384][   T72]      ___sys_sendmsg+0xee/0x170
[  172.074384][   T72]      __sys_sendmsg+0xcd/0x170
[  172.074384][   T72]      do_syscall_64+0xc6/0x1e0
[  172.074384][   T72] 
[  172.076449][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  172.076449][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  172.076449][   T72]      ipv6_find_idev+0x102/0x170
[  172.076449][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  172.076449][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  172.076449][   T72]      netlink_rcv_skb+0x130/0x360
[  172.076449][   T72]      netlink_unicast+0x449/0x710
[  172.076449][   T72]      netlink_sendmsg+0x723/0xbe0
[  172.076449][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  172.076449][   T72]      ___sys_sendmsg+0xee/0x170
[  172.076449][   T72]      __sys_sendmsg+0xcd/0x170
[  172.076449][   T72]      do_syscall_64+0xc6/0x1e0
[  172.076449][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  172.076449][   T72] 
[  172.078070][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  172.078070][   T72]      neigh_parms_alloc+0x1e5/0x510
[  172.078070][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  172.078070][   T72]      ipv6_find_idev+0x102/0x170
[  172.078070][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  172.078070][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  172.078070][   T72]      netlink_rcv_skb+0x130/0x360
[  172.078070][   T72]      netlink_unicast+0x449/0x710
[  172.078070][   T72]      netlink_sendmsg+0x723/0xbe0
[  172.078070][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  172.078070][   T72]      ___sys_sendmsg+0xee/0x170
[  172.078070][   T72]      __sys_sendmsg+0xcd/0x170
[  172.078070][   T72]      do_syscall_64+0xc6/0x1e0
[  172.078070][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  172.078070][   T72] 
[  182.319898][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  182.320385][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  182.320385][   T72]      netdev_get_by_index+0x5e/0x80
[  182.320385][   T72]      fib6_nh_init+0x3d8/0x1580
[  182.320385][   T72]      ip6_route_info_create+0xf18/0x17d0
[  182.320385][   T72]      addrconf_f6i_alloc+0x315/0x560
[  182.320385][   T72]      ipv6_add_addr+0x411/0x2000
[  182.320385][   T72]      inet6_addr_add+0x30e/0xa40
[  182.320385][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  182.320385][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  182.320385][   T72]      netlink_rcv_skb+0x130/0x360
[  182.320385][   T72]      netlink_unicast+0x449/0x710
[  182.320385][   T72]      netlink_sendmsg+0x723/0xbe0
[  182.320385][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  182.320385][   T72]      ___sys_sendmsg+0xee/0x170
[  182.320385][   T72]      __sys_sendmsg+0xcd/0x170
[  182.320385][   T72]      do_syscall_64+0xc6/0x1e0
[  182.320385][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  182.320385][   T72] 
[  182.322514][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  182.322514][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  182.322514][   T72]      ipv6_find_idev+0x102/0x170
[  182.322514][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  182.322514][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  182.322514][   T72]      netlink_rcv_skb+0x130/0x360
[  182.322514][   T72]      netlink_unicast+0x449/0x710
[  182.322514][   T72]      netlink_sendmsg+0x723/0xbe0
[  182.322514][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  182.322514][   T72]      ___sys_sendmsg+0xee/0x170
[  182.322514][   T72]      __sys_sendmsg+0xcd/0x170
[  182.322514][   T72]      do_syscall_64+0xc6/0x1e0
[  182.322514][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  182.322514][   T72] 
[  182.324148][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  182.324148][   T72]      neigh_parms_alloc+0x1e5/0x510
[  182.324148][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  182.324148][   T72]      ipv6_find_idev+0x102/0x170
[  182.324148][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  182.324148][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  182.324148][   T72]      netlink_rcv_skb+0x130/0x360
[  182.324148][   T72]      netlink_unicast+0x449/0x710
[  182.324148][   T72]      netlink_sendmsg+0x723/0xbe0
[  182.324148][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  182.324148][   T72]      ___sys_sendmsg+0xee/0x170
[  182.324148][   T72]      __sys_sendmsg+0xcd/0x170
[  182.324148][   T72]      do_syscall_64+0xc6/0x1e0
[  182.324148][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  182.324148][   T72] 
[  182.325946][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  182.326203][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  182.326203][   T72]      netdev_get_by_index+0x5e/0x80
[  182.326203][   T72]      fib6_nh_init+0x3d8/0x1580
[  182.326203][   T72]      ip6_route_info_create+0xf18/0x17d0
[  182.326203][   T72]      ip6_route_add+0x1c/0x140
[  182.326203][   T72]      addrconf_prefix_route+0x2a6/0x430
[  182.326203][   T72]      inet6_addr_add+0x4f8/0xa40
[  182.326203][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  182.326203][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  182.326203][   T72]      netlink_rcv_skb+0x130/0x360
[  182.326203][   T72]      netlink_unicast+0x449/0x710
[  182.326203][   T72]      netlink_sendmsg+0x723/0xbe0
[  182.326203][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  182.326203][   T72]      ___sys_sendmsg+0xee/0x170
[  182.326203][   T72]      __sys_sendmsg+0xcd/0x170
[  182.326203][   T72]      do_syscall_64+0xc6/0x1e0
[  182.326203][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  182.326203][   T72] 
[  182.328310][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  182.328310][   T72]      netdev_get_by_index+0x5e/0x80
[  182.328310][   T72]      fib6_nh_init+0x3d8/0x1580
[  182.328310][   T72]      ip6_route_info_create+0xf18/0x17d0
[  182.328310][   T72]      addrconf_f6i_alloc+0x315/0x560
[  182.328310][   T72]      ipv6_add_addr+0x411/0x2000
[  182.328310][   T72]      inet6_addr_add+0x30e/0xa40
[  182.328310][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  182.328310][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  182.328310][   T72]      netlink_rcv_skb+0x130/0x360
[  182.328310][   T72]      netlink_unicast+0x449/0x710
[  182.328310][   T72]      netlink_sendmsg+0x723/0xbe0
[  182.328310][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  182.328310][   T72]      ___sys_sendmsg+0xee/0x170
[  182.328310][   T72]      __sys_sendmsg+0xcd/0x170
[  182.328310][   T72]      do_syscall_64+0xc6/0x1e0
[  182.328310][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  182.328310][   T72] 
[  182.330425][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  182.330425][   T72]      netdev_get_by_index+0x5e/0x80
[  182.330425][   T72]      fib6_nh_init+0x3d8/0x1580
[  182.330425][   T72]      ip6_route_info_create+0xf18/0x17d0
[  182.330425][   T72]      ip6_route_add+0x1c/0x140
[  182.330425][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  182.330425][   T72]      addrconf_add_dev+0xe2/0x170
[  182.330425][   T72]      inet6_addr_add+0x12f/0xa40
[  182.330425][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  182.330425][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  182.330425][   T72]      netlink_rcv_skb+0x130/0x360
[  182.330425][   T72]      netlink_unicast+0x449/0x710
[  182.330425][   T72]      netlink_sendmsg+0x723/0xbe0
[  182.330425][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  182.330425][   T72]      ___sys_sendmsg+0xee/0x170
[  182.330425][   T72]      __sys_sendmsg+0xcd/0x170
[  182.330425][   T72]      do_syscall_64+0xc6/0x1e0
[  182.330425][   T72] 
[  182.332487][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  182.332487][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  182.332487][   T72]      ipv6_find_idev+0x102/0x170
[  182.332487][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  182.332487][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  182.332487][   T72]      netlink_rcv_skb+0x130/0x360
[  182.332487][   T72]      netlink_unicast+0x449/0x710
[  182.332487][   T72]      netlink_sendmsg+0x723/0xbe0
[  182.332487][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  182.332487][   T72]      ___sys_sendmsg+0xee/0x170
[  182.332487][   T72]      __sys_sendmsg+0xcd/0x170
[  182.332487][   T72]      do_syscall_64+0xc6/0x1e0
[  182.332487][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  182.332487][   T72] 
[  182.334101][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  182.334101][   T72]      neigh_parms_alloc+0x1e5/0x510
[  182.334101][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  182.334101][   T72]      ipv6_find_idev+0x102/0x170
[  182.334101][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  182.334101][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  182.334101][   T72]      netlink_rcv_skb+0x130/0x360
[  182.334101][   T72]      netlink_unicast+0x449/0x710
[  182.334101][   T72]      netlink_sendmsg+0x723/0xbe0
[  182.334101][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  182.334101][   T72]      ___sys_sendmsg+0xee/0x170
[  182.334101][   T72]      __sys_sendmsg+0xcd/0x170
[  182.334101][   T72]      do_syscall_64+0xc6/0x1e0
[  182.334101][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  182.334101][   T72] 
[  192.575904][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  192.576381][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  192.576381][   T72]      netdev_get_by_index+0x5e/0x80
[  192.576381][   T72]      fib6_nh_init+0x3d8/0x1580
[  192.576381][   T72]      ip6_route_info_create+0xf18/0x17d0
[  192.576381][   T72]      addrconf_f6i_alloc+0x315/0x560
[  192.576381][   T72]      ipv6_add_addr+0x411/0x2000
[  192.576381][   T72]      inet6_addr_add+0x30e/0xa40
[  192.576381][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  192.576381][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  192.576381][   T72]      netlink_rcv_skb+0x130/0x360
[  192.576381][   T72]      netlink_unicast+0x449/0x710
[  192.576381][   T72]      netlink_sendmsg+0x723/0xbe0
[  192.576381][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  192.576381][   T72]      ___sys_sendmsg+0xee/0x170
[  192.576381][   T72]      __sys_sendmsg+0xcd/0x170
[  192.576381][   T72]      do_syscall_64+0xc6/0x1e0
[  192.576381][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.576381][   T72] 
[  192.578549][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  192.578549][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  192.578549][   T72]      ipv6_find_idev+0x102/0x170
[  192.578549][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  192.578549][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  192.578549][   T72]      netlink_rcv_skb+0x130/0x360
[  192.578549][   T72]      netlink_unicast+0x449/0x710
[  192.578549][   T72]      netlink_sendmsg+0x723/0xbe0
[  192.578549][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  192.578549][   T72]      ___sys_sendmsg+0xee/0x170
[  192.578549][   T72]      __sys_sendmsg+0xcd/0x170
[  192.578549][   T72]      do_syscall_64+0xc6/0x1e0
[  192.578549][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.578549][   T72] 
[  192.580207][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  192.580207][   T72]      neigh_parms_alloc+0x1e5/0x510
[  192.580207][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  192.580207][   T72]      ipv6_find_idev+0x102/0x170
[  192.580207][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  192.580207][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  192.580207][   T72]      netlink_rcv_skb+0x130/0x360
[  192.580207][   T72]      netlink_unicast+0x449/0x710
[  192.580207][   T72]      netlink_sendmsg+0x723/0xbe0
[  192.580207][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  192.580207][   T72]      ___sys_sendmsg+0xee/0x170
[  192.580207][   T72]      __sys_sendmsg+0xcd/0x170
[  192.580207][   T72]      do_syscall_64+0xc6/0x1e0
[  192.580207][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.580207][   T72] 
[  192.581992][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  192.582247][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  192.582247][   T72]      netdev_get_by_index+0x5e/0x80
[  192.582247][   T72]      fib6_nh_init+0x3d8/0x1580
[  192.582247][   T72]      ip6_route_info_create+0xf18/0x17d0
[  192.582247][   T72]      ip6_route_add+0x1c/0x140
[  192.582247][   T72]      addrconf_prefix_route+0x2a6/0x430
[  192.582247][   T72]      inet6_addr_add+0x4f8/0xa40
[  192.582247][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  192.582247][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  192.582247][   T72]      netlink_rcv_skb+0x130/0x360
[  192.582247][   T72]      netlink_unicast+0x449/0x710
[  192.582247][   T72]      netlink_sendmsg+0x723/0xbe0
[  192.582247][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  192.582247][   T72]      ___sys_sendmsg+0xee/0x170
[  192.582247][   T72]      __sys_sendmsg+0xcd/0x170
[  192.582247][   T72]      do_syscall_64+0xc6/0x1e0
[  192.582247][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.582247][   T72] 
[  192.584352][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  192.584352][   T72]      netdev_get_by_index+0x5e/0x80
[  192.584352][   T72]      fib6_nh_init+0x3d8/0x1580
[  192.584352][   T72]      ip6_route_info_create+0xf18/0x17d0
[  192.584352][   T72]      addrconf_f6i_alloc+0x315/0x560
[  192.584352][   T72]      ipv6_add_addr+0x411/0x2000
[  192.584352][   T72]      inet6_addr_add+0x30e/0xa40
[  192.584352][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  192.584352][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  192.584352][   T72]      netlink_rcv_skb+0x130/0x360
[  192.584352][   T72]      netlink_unicast+0x449/0x710
[  192.584352][   T72]      netlink_sendmsg+0x723/0xbe0
[  192.584352][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  192.584352][   T72]      ___sys_sendmsg+0xee/0x170
[  192.584352][   T72]      __sys_sendmsg+0xcd/0x170
[  192.584352][   T72]      do_syscall_64+0xc6/0x1e0
[  192.584352][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.584352][   T72] 
[  192.586457][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  192.586457][   T72]      netdev_get_by_index+0x5e/0x80
[  192.586457][   T72]      fib6_nh_init+0x3d8/0x1580
[  192.586457][   T72]      ip6_route_info_create+0xf18/0x17d0
[  192.586457][   T72]      ip6_route_add+0x1c/0x140
[  192.586457][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  192.586457][   T72]      addrconf_add_dev+0xe2/0x170
[  192.586457][   T72]      inet6_addr_add+0x12f/0xa40
[  192.586457][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  192.586457][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  192.586457][   T72]      netlink_rcv_skb+0x130/0x360
[  192.586457][   T72]      netlink_unicast+0x449/0x710
[  192.586457][   T72]      netlink_sendmsg+0x723/0xbe0
[  192.586457][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  192.586457][   T72]      ___sys_sendmsg+0xee/0x170
[  192.586457][   T72]      __sys_sendmsg+0xcd/0x170
[  192.586457][   T72]      do_syscall_64+0xc6/0x1e0
[  192.586457][   T72] 
[  192.588518][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  192.588518][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  192.588518][   T72]      ipv6_find_idev+0x102/0x170
[  192.588518][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  192.588518][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  192.588518][   T72]      netlink_rcv_skb+0x130/0x360
[  192.588518][   T72]      netlink_unicast+0x449/0x710
[  192.588518][   T72]      netlink_sendmsg+0x723/0xbe0
[  192.588518][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  192.588518][   T72]      ___sys_sendmsg+0xee/0x170
[  192.588518][   T72]      __sys_sendmsg+0xcd/0x170
[  192.588518][   T72]      do_syscall_64+0xc6/0x1e0
[  192.588518][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.588518][   T72] 
[  192.590146][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  192.590146][   T72]      neigh_parms_alloc+0x1e5/0x510
[  192.590146][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  192.590146][   T72]      ipv6_find_idev+0x102/0x170
[  192.590146][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  192.590146][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  192.590146][   T72]      netlink_rcv_skb+0x130/0x360
[  192.590146][   T72]      netlink_unicast+0x449/0x710
[  192.590146][   T72]      netlink_sendmsg+0x723/0xbe0
[  192.590146][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  192.590146][   T72]      ___sys_sendmsg+0xee/0x170
[  192.590146][   T72]      __sys_sendmsg+0xcd/0x170
[  192.590146][   T72]      do_syscall_64+0xc6/0x1e0
[  192.590146][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.590146][   T72] 
[  202.831905][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  202.832382][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  202.832382][   T72]      netdev_get_by_index+0x5e/0x80
[  202.832382][   T72]      fib6_nh_init+0x3d8/0x1580
[  202.832382][   T72]      ip6_route_info_create+0xf18/0x17d0
[  202.832382][   T72]      addrconf_f6i_alloc+0x315/0x560
[  202.832382][   T72]      ipv6_add_addr+0x411/0x2000
[  202.832382][   T72]      inet6_addr_add+0x30e/0xa40
[  202.832382][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  202.832382][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  202.832382][   T72]      netlink_rcv_skb+0x130/0x360
[  202.832382][   T72]      netlink_unicast+0x449/0x710
[  202.832382][   T72]      netlink_sendmsg+0x723/0xbe0
[  202.832382][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  202.832382][   T72]      ___sys_sendmsg+0xee/0x170
[  202.832382][   T72]      __sys_sendmsg+0xcd/0x170
[  202.832382][   T72]      do_syscall_64+0xc6/0x1e0
[  202.832382][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  202.832382][   T72] 
[  202.834573][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  202.834573][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  202.834573][   T72]      ipv6_find_idev+0x102/0x170
[  202.834573][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  202.834573][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  202.834573][   T72]      netlink_rcv_skb+0x130/0x360
[  202.834573][   T72]      netlink_unicast+0x449/0x710
[  202.834573][   T72]      netlink_sendmsg+0x723/0xbe0
[  202.834573][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  202.834573][   T72]      ___sys_sendmsg+0xee/0x170
[  202.834573][   T72]      __sys_sendmsg+0xcd/0x170
[  202.834573][   T72]      do_syscall_64+0xc6/0x1e0
[  202.834573][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  202.834573][   T72] 
[  202.836207][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  202.836207][   T72]      neigh_parms_alloc+0x1e5/0x510
[  202.836207][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  202.836207][   T72]      ipv6_find_idev+0x102/0x170
[  202.836207][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  202.836207][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  202.836207][   T72]      netlink_rcv_skb+0x130/0x360
[  202.836207][   T72]      netlink_unicast+0x449/0x710
[  202.836207][   T72]      netlink_sendmsg+0x723/0xbe0
[  202.836207][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  202.836207][   T72]      ___sys_sendmsg+0xee/0x170
[  202.836207][   T72]      __sys_sendmsg+0xcd/0x170
[  202.836207][   T72]      do_syscall_64+0xc6/0x1e0
[  202.836207][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  202.836207][   T72] 
[  202.837951][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  202.838207][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  202.838207][   T72]      netdev_get_by_index+0x5e/0x80
[  202.838207][   T72]      fib6_nh_init+0x3d8/0x1580
[  202.838207][   T72]      ip6_route_info_create+0xf18/0x17d0
[  202.838207][   T72]      ip6_route_add+0x1c/0x140
[  202.838207][   T72]      addrconf_prefix_route+0x2a6/0x430
[  202.838207][   T72]      inet6_addr_add+0x4f8/0xa40
[  202.838207][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  202.838207][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  202.838207][   T72]      netlink_rcv_skb+0x130/0x360
[  202.838207][   T72]      netlink_unicast+0x449/0x710
[  202.838207][   T72]      netlink_sendmsg+0x723/0xbe0
[  202.838207][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  202.838207][   T72]      ___sys_sendmsg+0xee/0x170
[  202.838207][   T72]      __sys_sendmsg+0xcd/0x170
[  202.838207][   T72]      do_syscall_64+0xc6/0x1e0
[  202.838207][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  202.838207][   T72] 
[  202.840285][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  202.840285][   T72]      netdev_get_by_index+0x5e/0x80
[  202.840285][   T72]      fib6_nh_init+0x3d8/0x1580
[  202.840285][   T72]      ip6_route_info_create+0xf18/0x17d0
[  202.840285][   T72]      addrconf_f6i_alloc+0x315/0x560
[  202.840285][   T72]      ipv6_add_addr+0x411/0x2000
[  202.840285][   T72]      inet6_addr_add+0x30e/0xa40
[  202.840285][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  202.840285][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  202.840285][   T72]      netlink_rcv_skb+0x130/0x360
[  202.840285][   T72]      netlink_unicast+0x449/0x710
[  202.840285][   T72]      netlink_sendmsg+0x723/0xbe0
[  202.840285][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  202.840285][   T72]      ___sys_sendmsg+0xee/0x170
[  202.840285][   T72]      __sys_sendmsg+0xcd/0x170
[  202.840285][   T72]      do_syscall_64+0xc6/0x1e0
[  202.840285][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  202.840285][   T72] 
[  202.842348][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  202.842348][   T72]      netdev_get_by_index+0x5e/0x80
[  202.842348][   T72]      fib6_nh_init+0x3d8/0x1580
[  202.842348][   T72]      ip6_route_info_create+0xf18/0x17d0
[  202.842348][   T72]      ip6_route_add+0x1c/0x140
[  202.842348][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  202.842348][   T72]      addrconf_add_dev+0xe2/0x170
[  202.842348][   T72]      inet6_addr_add+0x12f/0xa40
[  202.842348][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  202.842348][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  202.842348][   T72]      netlink_rcv_skb+0x130/0x360
[  202.842348][   T72]      netlink_unicast+0x449/0x710
[  202.842348][   T72]      netlink_sendmsg+0x723/0xbe0
[  202.842348][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  202.842348][   T72]      ___sys_sendmsg+0xee/0x170
[  202.842348][   T72]      __sys_sendmsg+0xcd/0x170
[  202.842348][   T72]      do_syscall_64+0xc6/0x1e0
[  202.842348][   T72] 
[  202.844368][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  202.844368][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  202.844368][   T72]      ipv6_find_idev+0x102/0x170
[  202.844368][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  202.844368][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  202.844368][   T72]      netlink_rcv_skb+0x130/0x360
[  202.844368][   T72]      netlink_unicast+0x449/0x710
[  202.844368][   T72]      netlink_sendmsg+0x723/0xbe0
[  202.844368][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  202.844368][   T72]      ___sys_sendmsg+0xee/0x170
[  202.844368][   T72]      __sys_sendmsg+0xcd/0x170
[  202.844368][   T72]      do_syscall_64+0xc6/0x1e0
[  202.844368][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  202.844368][   T72] 
[  202.845936][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  202.845936][   T72]      neigh_parms_alloc+0x1e5/0x510
[  202.845936][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  202.845936][   T72]      ipv6_find_idev+0x102/0x170
[  202.845936][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  202.845936][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  202.845936][   T72]      netlink_rcv_skb+0x130/0x360
[  202.845936][   T72]      netlink_unicast+0x449/0x710
[  202.845936][   T72]      netlink_sendmsg+0x723/0xbe0
[  202.845936][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  202.845936][   T72]      ___sys_sendmsg+0xee/0x170
[  202.845936][   T72]      __sys_sendmsg+0xcd/0x170
[  202.845936][   T72]      do_syscall_64+0xc6/0x1e0
[  202.845936][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  202.845936][   T72] 
[  213.087895][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  213.088308][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  213.088308][   T72]      netdev_get_by_index+0x5e/0x80
[  213.088308][   T72]      fib6_nh_init+0x3d8/0x1580
[  213.088308][   T72]      ip6_route_info_create+0xf18/0x17d0
[  213.088308][   T72]      addrconf_f6i_alloc+0x315/0x560
[  213.088308][   T72]      ipv6_add_addr+0x411/0x2000
[  213.088308][   T72]      inet6_addr_add+0x30e/0xa40
[  213.088308][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  213.088308][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  213.088308][   T72]      netlink_rcv_skb+0x130/0x360
[  213.088308][   T72]      netlink_unicast+0x449/0x710
[  213.088308][   T72]      netlink_sendmsg+0x723/0xbe0
[  213.088308][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  213.088308][   T72]      ___sys_sendmsg+0xee/0x170
[  213.088308][   T72]      __sys_sendmsg+0xcd/0x170
[  213.088308][   T72]      do_syscall_64+0xc6/0x1e0
[  213.088308][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  213.088308][   T72] 
[  213.090406][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  213.090406][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  213.090406][   T72]      ipv6_find_idev+0x102/0x170
[  213.090406][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  213.090406][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  213.090406][   T72]      netlink_rcv_skb+0x130/0x360
[  213.090406][   T72]      netlink_unicast+0x449/0x710
[  213.090406][   T72]      netlink_sendmsg+0x723/0xbe0
[  213.090406][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  213.090406][   T72]      ___sys_sendmsg+0xee/0x170
[  213.090406][   T72]      __sys_sendmsg+0xcd/0x170
[  213.090406][   T72]      do_syscall_64+0xc6/0x1e0
[  213.090406][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  213.090406][   T72] 
[  213.091998][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  213.091998][   T72]      neigh_parms_alloc+0x1e5/0x510
[  213.091998][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  213.091998][   T72]      ipv6_find_idev+0x102/0x170
[  213.091998][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  213.091998][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  213.091998][   T72]      netlink_rcv_skb+0x130/0x360
[  213.091998][   T72]      netlink_unicast+0x449/0x710
[  213.091998][   T72]      netlink_sendmsg+0x723/0xbe0
[  213.091998][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  213.091998][   T72]      ___sys_sendmsg+0xee/0x170
[  213.091998][   T72]      __sys_sendmsg+0xcd/0x170
[  213.091998][   T72]      do_syscall_64+0xc6/0x1e0
[  213.091998][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  213.091998][   T72] 
[  213.093741][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  213.094017][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  213.094017][   T72]      netdev_get_by_index+0x5e/0x80
[  213.094017][   T72]      fib6_nh_init+0x3d8/0x1580
[  213.094017][   T72]      ip6_route_info_create+0xf18/0x17d0
[  213.094017][   T72]      ip6_route_add+0x1c/0x140
[  213.094017][   T72]      addrconf_prefix_route+0x2a6/0x430
[  213.094017][   T72]      inet6_addr_add+0x4f8/0xa40
[  213.094017][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  213.094017][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  213.094017][   T72]      netlink_rcv_skb+0x130/0x360
[  213.094017][   T72]      netlink_unicast+0x449/0x710
[  213.094017][   T72]      netlink_sendmsg+0x723/0xbe0
[  213.094017][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  213.094017][   T72]      ___sys_sendmsg+0xee/0x170
[  213.094017][   T72]      __sys_sendmsg+0xcd/0x170
[  213.094017][   T72]      do_syscall_64+0xc6/0x1e0
[  213.094017][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  213.094017][   T72] 
[  213.096061][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  213.096061][   T72]      netdev_get_by_index+0x5e/0x80
[  213.096061][   T72]      fib6_nh_init+0x3d8/0x1580
[  213.096061][   T72]      ip6_route_info_create+0xf18/0x17d0
[  213.096061][   T72]      addrconf_f6i_alloc+0x315/0x560
[  213.096061][   T72]      ipv6_add_addr+0x411/0x2000
[  213.096061][   T72]      inet6_addr_add+0x30e/0xa40
[  213.096061][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  213.096061][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  213.096061][   T72]      netlink_rcv_skb+0x130/0x360
[  213.096061][   T72]      netlink_unicast+0x449/0x710
[  213.096061][   T72]      netlink_sendmsg+0x723/0xbe0
[  213.096061][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  213.096061][   T72]      ___sys_sendmsg+0xee/0x170
[  213.096061][   T72]      __sys_sendmsg+0xcd/0x170
[  213.096061][   T72]      do_syscall_64+0xc6/0x1e0
[  213.096061][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  213.096061][   T72] 
[  213.098113][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  213.098113][   T72]      netdev_get_by_index+0x5e/0x80
[  213.098113][   T72]      fib6_nh_init+0x3d8/0x1580
[  213.098113][   T72]      ip6_route_info_create+0xf18/0x17d0
[  213.098113][   T72]      ip6_route_add+0x1c/0x140
[  213.098113][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  213.098113][   T72]      addrconf_add_dev+0xe2/0x170
[  213.098113][   T72]      inet6_addr_add+0x12f/0xa40
[  213.098113][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  213.098113][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  213.098113][   T72]      netlink_rcv_skb+0x130/0x360
[  213.098113][   T72]      netlink_unicast+0x449/0x710
[  213.098113][   T72]      netlink_sendmsg+0x723/0xbe0
[  213.098113][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  213.098113][   T72]      ___sys_sendmsg+0xee/0x170
[  213.098113][   T72]      __sys_sendmsg+0xcd/0x170
[  213.098113][   T72]      do_syscall_64+0xc6/0x1e0
[  213.098113][   T72] 
[  213.100131][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  213.100131][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  213.100131][   T72]      ipv6_find_idev+0x102/0x170
[  213.100131][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  213.100131][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  213.100131][   T72]      netlink_rcv_skb+0x130/0x360
[  213.100131][   T72]      netlink_unicast+0x449/0x710
[  213.100131][   T72]      netlink_sendmsg+0x723/0xbe0
[  213.100131][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  213.100131][   T72]      ___sys_sendmsg+0xee/0x170
[  213.100131][   T72]      __sys_sendmsg+0xcd/0x170
[  213.100131][   T72]      do_syscall_64+0xc6/0x1e0
[  213.100131][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  213.100131][   T72] 
[  213.101710][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  213.101710][   T72]      neigh_parms_alloc+0x1e5/0x510
[  213.101710][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  213.101710][   T72]      ipv6_find_idev+0x102/0x170
[  213.101710][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  213.101710][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  213.101710][   T72]      netlink_rcv_skb+0x130/0x360
[  213.101710][   T72]      netlink_unicast+0x449/0x710
[  213.101710][   T72]      netlink_sendmsg+0x723/0xbe0
[  213.101710][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  213.101710][   T72]      ___sys_sendmsg+0xee/0x170
[  213.101710][   T72]      __sys_sendmsg+0xcd/0x170
[  213.101710][   T72]      do_syscall_64+0xc6/0x1e0
[  213.101710][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  213.101710][   T72] 
[  223.119918][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  223.120335][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  223.120335][   T72]      netdev_get_by_index+0x5e/0x80
[  223.120335][   T72]      fib6_nh_init+0x3d8/0x1580
[  223.120335][   T72]      ip6_route_info_create+0xf18/0x17d0
[  223.120335][   T72]      addrconf_f6i_alloc+0x315/0x560
[  223.120335][   T72]      ipv6_add_addr+0x411/0x2000
[  223.120335][   T72]      inet6_addr_add+0x30e/0xa40
[  223.120335][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  223.120335][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  223.120335][   T72]      netlink_rcv_skb+0x130/0x360
[  223.120335][   T72]      netlink_unicast+0x449/0x710
[  223.120335][   T72]      netlink_sendmsg+0x723/0xbe0
[  223.120335][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  223.120335][   T72]      ___sys_sendmsg+0xee/0x170
[  223.120335][   T72]      __sys_sendmsg+0xcd/0x170
[  223.120335][   T72]      do_syscall_64+0xc6/0x1e0
[  223.120335][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  223.120335][   T72] 
[  223.122433][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  223.122433][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  223.122433][   T72]      ipv6_find_idev+0x102/0x170
[  223.122433][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  223.122433][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  223.122433][   T72]      netlink_rcv_skb+0x130/0x360
[  223.122433][   T72]      netlink_unicast+0x449/0x710
[  223.122433][   T72]      netlink_sendmsg+0x723/0xbe0
[  223.122433][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  223.122433][   T72]      ___sys_sendmsg+0xee/0x170
[  223.122433][   T72]      __sys_sendmsg+0xcd/0x170
[  223.122433][   T72]      do_syscall_64+0xc6/0x1e0
[  223.122433][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  223.122433][   T72] 
[  223.124037][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  223.124037][   T72]      neigh_parms_alloc+0x1e5/0x510
[  223.124037][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  223.124037][   T72]      ipv6_find_idev+0x102/0x170
[  223.124037][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  223.124037][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  223.124037][   T72]      netlink_rcv_skb+0x130/0x360
[  223.124037][   T72]      netlink_unicast+0x449/0x710
[  223.124037][   T72]      netlink_sendmsg+0x723/0xbe0
[  223.124037][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  223.124037][   T72]      ___sys_sendmsg+0xee/0x170
[  223.124037][   T72]      __sys_sendmsg+0xcd/0x170
[  223.124037][   T72]      do_syscall_64+0xc6/0x1e0
[  223.124037][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  223.124037][   T72] 
[  223.125791][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  223.126042][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  223.126042][   T72]      netdev_get_by_index+0x5e/0x80
[  223.126042][   T72]      fib6_nh_init+0x3d8/0x1580
[  223.126042][   T72]      ip6_route_info_create+0xf18/0x17d0
[  223.126042][   T72]      ip6_route_add+0x1c/0x140
[  223.126042][   T72]      addrconf_prefix_route+0x2a6/0x430
[  223.126042][   T72]      inet6_addr_add+0x4f8/0xa40
[  223.126042][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  223.126042][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  223.126042][   T72]      netlink_rcv_skb+0x130/0x360
[  223.126042][   T72]      netlink_unicast+0x449/0x710
[  223.126042][   T72]      netlink_sendmsg+0x723/0xbe0
[  223.126042][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  223.126042][   T72]      ___sys_sendmsg+0xee/0x170
[  223.126042][   T72]      __sys_sendmsg+0xcd/0x170
[  223.126042][   T72]      do_syscall_64+0xc6/0x1e0
[  223.126042][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  223.126042][   T72] 
[  223.128111][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  223.128111][   T72]      netdev_get_by_index+0x5e/0x80
[  223.128111][   T72]      fib6_nh_init+0x3d8/0x1580
[  223.128111][   T72]      ip6_route_info_create+0xf18/0x17d0
[  223.128111][   T72]      addrconf_f6i_alloc+0x315/0x560
[  223.128111][   T72]      ipv6_add_addr+0x411/0x2000
[  223.128111][   T72]      inet6_addr_add+0x30e/0xa40
[  223.128111][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  223.128111][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  223.128111][   T72]      netlink_rcv_skb+0x130/0x360
[  223.128111][   T72]      netlink_unicast+0x449/0x710
[  223.128111][   T72]      netlink_sendmsg+0x723/0xbe0
[  223.128111][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  223.128111][   T72]      ___sys_sendmsg+0xee/0x170
[  223.128111][   T72]      __sys_sendmsg+0xcd/0x170
[  223.128111][   T72]      do_syscall_64+0xc6/0x1e0
[  223.128111][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  223.128111][   T72] 
[  223.130181][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  223.130181][   T72]      netdev_get_by_index+0x5e/0x80
[  223.130181][   T72]      fib6_nh_init+0x3d8/0x1580
[  223.130181][   T72]      ip6_route_info_create+0xf18/0x17d0
[  223.130181][   T72]      ip6_route_add+0x1c/0x140
[  223.130181][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  223.130181][   T72]      addrconf_add_dev+0xe2/0x170
[  223.130181][   T72]      inet6_addr_add+0x12f/0xa40
[  223.130181][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  223.130181][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  223.130181][   T72]      netlink_rcv_skb+0x130/0x360
[  223.130181][   T72]      netlink_unicast+0x449/0x710
[  223.130181][   T72]      netlink_sendmsg+0x723/0xbe0
[  223.130181][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  223.130181][   T72]      ___sys_sendmsg+0xee/0x170
[  223.130181][   T72]      __sys_sendmsg+0xcd/0x170
[  223.130181][   T72]      do_syscall_64+0xc6/0x1e0
[  223.130181][   T72] 
[  223.132202][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  223.132202][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  223.132202][   T72]      ipv6_find_idev+0x102/0x170
[  223.132202][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  223.132202][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  223.132202][   T72]      netlink_rcv_skb+0x130/0x360
[  223.132202][   T72]      netlink_unicast+0x449/0x710
[  223.132202][   T72]      netlink_sendmsg+0x723/0xbe0
[  223.132202][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  223.132202][   T72]      ___sys_sendmsg+0xee/0x170
[  223.132202][   T72]      __sys_sendmsg+0xcd/0x170
[  223.132202][   T72]      do_syscall_64+0xc6/0x1e0
[  223.132202][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  223.132202][   T72] 
[  223.133783][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  223.133783][   T72]      neigh_parms_alloc+0x1e5/0x510
[  223.133783][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  223.133783][   T72]      ipv6_find_idev+0x102/0x170
[  223.133783][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  223.133783][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  223.133783][   T72]      netlink_rcv_skb+0x130/0x360
[  223.133783][   T72]      netlink_unicast+0x449/0x710
[  223.133783][   T72]      netlink_sendmsg+0x723/0xbe0
[  223.133783][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  223.133783][   T72]      ___sys_sendmsg+0xee/0x170
[  223.133783][   T72]      __sys_sendmsg+0xcd/0x170
[  223.133783][   T72]      do_syscall_64+0xc6/0x1e0
[  223.133783][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  223.133783][   T72] 
[  233.135884][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  233.136316][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  233.136316][   T72]      netdev_get_by_index+0x5e/0x80
[  233.136316][   T72]      fib6_nh_init+0x3d8/0x1580
[  233.136316][   T72]      ip6_route_info_create+0xf18/0x17d0
[  233.136316][   T72]      addrconf_f6i_alloc+0x315/0x560
[  233.136316][   T72]      ipv6_add_addr+0x411/0x2000
[  233.136316][   T72]      inet6_addr_add+0x30e/0xa40
[  233.136316][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  233.136316][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  233.136316][   T72]      netlink_rcv_skb+0x130/0x360
[  233.136316][   T72]      netlink_unicast+0x449/0x710
[  233.136316][   T72]      netlink_sendmsg+0x723/0xbe0
[  233.136316][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  233.136316][   T72]      ___sys_sendmsg+0xee/0x170
[  233.136316][   T72]      __sys_sendmsg+0xcd/0x170
[  233.136316][   T72]      do_syscall_64+0xc6/0x1e0
[  233.136316][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  233.136316][   T72] 
[  233.138595][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  233.138595][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  233.138595][   T72]      ipv6_find_idev+0x102/0x170
[  233.138595][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  233.138595][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  233.138595][   T72]      netlink_rcv_skb+0x130/0x360
[  233.138595][   T72]      netlink_unicast+0x449/0x710
[  233.138595][   T72]      netlink_sendmsg+0x723/0xbe0
[  233.138595][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  233.138595][   T72]      ___sys_sendmsg+0xee/0x170
[  233.138595][   T72]      __sys_sendmsg+0xcd/0x170
[  233.138595][   T72]      do_syscall_64+0xc6/0x1e0
[  233.138595][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  233.138595][   T72] 
[  233.140379][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  233.140379][   T72]      neigh_parms_alloc+0x1e5/0x510
[  233.140379][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  233.140379][   T72]      ipv6_find_idev+0x102/0x170
[  233.140379][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  233.140379][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  233.140379][   T72]      netlink_rcv_skb+0x130/0x360
[  233.140379][   T72]      netlink_unicast+0x449/0x710
[  233.140379][   T72]      netlink_sendmsg+0x723/0xbe0
[  233.140379][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  233.140379][   T72]      ___sys_sendmsg+0xee/0x170
[  233.140379][   T72]      __sys_sendmsg+0xcd/0x170
[  233.140379][   T72]      do_syscall_64+0xc6/0x1e0
[  233.140379][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  233.140379][   T72] 
[  233.142309][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  233.142580][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  233.142580][   T72]      netdev_get_by_index+0x5e/0x80
[  233.142580][   T72]      fib6_nh_init+0x3d8/0x1580
[  233.142580][   T72]      ip6_route_info_create+0xf18/0x17d0
[  233.142580][   T72]      ip6_route_add+0x1c/0x140
[  233.142580][   T72]      addrconf_prefix_route+0x2a6/0x430
[  233.142580][   T72]      inet6_addr_add+0x4f8/0xa40
[  233.142580][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  233.142580][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  233.142580][   T72]      netlink_rcv_skb+0x130/0x360
[  233.142580][   T72]      netlink_unicast+0x449/0x710
[  233.142580][   T72]      netlink_sendmsg+0x723/0xbe0
[  233.142580][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  233.142580][   T72]      ___sys_sendmsg+0xee/0x170
[  233.142580][   T72]      __sys_sendmsg+0xcd/0x170
[  233.142580][   T72]      do_syscall_64+0xc6/0x1e0
[  233.142580][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  233.142580][   T72] 
[  233.144867][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  233.144867][   T72]      netdev_get_by_index+0x5e/0x80
[  233.144867][   T72]      fib6_nh_init+0x3d8/0x1580
[  233.144867][   T72]      ip6_route_info_create+0xf18/0x17d0
[  233.144867][   T72]      addrconf_f6i_alloc+0x315/0x560
[  233.144867][   T72]      ipv6_add_addr+0x411/0x2000
[  233.144867][   T72]      inet6_addr_add+0x30e/0xa40
[  233.144867][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  233.144867][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  233.144867][   T72]      netlink_rcv_skb+0x130/0x360
[  233.144867][   T72]      netlink_unicast+0x449/0x710
[  233.144867][   T72]      netlink_sendmsg+0x723/0xbe0
[  233.144867][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  233.144867][   T72]      ___sys_sendmsg+0xee/0x170
[  233.144867][   T72]      __sys_sendmsg+0xcd/0x170
[  233.144867][   T72]      do_syscall_64+0xc6/0x1e0
[  233.144867][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  233.144867][   T72] 
[  233.147131][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  233.147131][   T72]      netdev_get_by_index+0x5e/0x80
[  233.147131][   T72]      fib6_nh_init+0x3d8/0x1580
[  233.147131][   T72]      ip6_route_info_create+0xf18/0x17d0
[  233.147131][   T72]      ip6_route_add+0x1c/0x140
[  233.147131][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  233.147131][   T72]      addrconf_add_dev+0xe2/0x170
[  233.147131][   T72]      inet6_addr_add+0x12f/0xa40
[  233.147131][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  233.147131][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  233.147131][   T72]      netlink_rcv_skb+0x130/0x360
[  233.147131][   T72]      netlink_unicast+0x449/0x710
[  233.147131][   T72]      netlink_sendmsg+0x723/0xbe0
[  233.147131][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  233.147131][   T72]      ___sys_sendmsg+0xee/0x170
[  233.147131][   T72]      __sys_sendmsg+0xcd/0x170
[  233.147131][   T72]      do_syscall_64+0xc6/0x1e0
[  233.147131][   T72] 
[  233.149360][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  233.149360][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  233.149360][   T72]      ipv6_find_idev+0x102/0x170
[  233.149360][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  233.149360][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  233.149360][   T72]      netlink_rcv_skb+0x130/0x360
[  233.149360][   T72]      netlink_unicast+0x449/0x710
[  233.149360][   T72]      netlink_sendmsg+0x723/0xbe0
[  233.149360][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  233.149360][   T72]      ___sys_sendmsg+0xee/0x170
[  233.149360][   T72]      __sys_sendmsg+0xcd/0x170
[  233.149360][   T72]      do_syscall_64+0xc6/0x1e0
[  233.149360][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  233.149360][   T72] 
[  233.151114][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  233.151114][   T72]      neigh_parms_alloc+0x1e5/0x510
[  233.151114][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  233.151114][   T72]      ipv6_find_idev+0x102/0x170
[  233.151114][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  233.151114][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  233.151114][   T72]      netlink_rcv_skb+0x130/0x360
[  233.151114][   T72]      netlink_unicast+0x449/0x710
[  233.151114][   T72]      netlink_sendmsg+0x723/0xbe0
[  233.151114][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  233.151114][   T72]      ___sys_sendmsg+0xee/0x170
[  233.151114][   T72]      __sys_sendmsg+0xcd/0x170
[  233.151114][   T72]      do_syscall_64+0xc6/0x1e0
[  233.151114][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  233.151114][   T72] 
[  243.391829][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  243.392291][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  243.392291][   T72]      netdev_get_by_index+0x5e/0x80
[  243.392291][   T72]      fib6_nh_init+0x3d8/0x1580
[  243.392291][   T72]      ip6_route_info_create+0xf18/0x17d0
[  243.392291][   T72]      addrconf_f6i_alloc+0x315/0x560
[  243.392291][   T72]      ipv6_add_addr+0x411/0x2000
[  243.392291][   T72]      inet6_addr_add+0x30e/0xa40
[  243.392291][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  243.392291][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  243.392291][   T72]      netlink_rcv_skb+0x130/0x360
[  243.392291][   T72]      netlink_unicast+0x449/0x710
[  243.392291][   T72]      netlink_sendmsg+0x723/0xbe0
[  243.392291][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  243.392291][   T72]      ___sys_sendmsg+0xee/0x170
[  243.392291][   T72]      __sys_sendmsg+0xcd/0x170
[  243.392291][   T72]      do_syscall_64+0xc6/0x1e0
[  243.392291][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  243.392291][   T72] 
[  243.394471][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  243.394471][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  243.394471][   T72]      ipv6_find_idev+0x102/0x170
[  243.394471][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  243.394471][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  243.394471][   T72]      netlink_rcv_skb+0x130/0x360
[  243.394471][   T72]      netlink_unicast+0x449/0x710
[  243.394471][   T72]      netlink_sendmsg+0x723/0xbe0
[  243.394471][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  243.394471][   T72]      ___sys_sendmsg+0xee/0x170
[  243.394471][   T72]      __sys_sendmsg+0xcd/0x170
[  243.394471][   T72]      do_syscall_64+0xc6/0x1e0
[  243.394471][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  243.394471][   T72] 
[  243.396169][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  243.396169][   T72]      neigh_parms_alloc+0x1e5/0x510
[  243.396169][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  243.396169][   T72]      ipv6_find_idev+0x102/0x170
[  243.396169][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  243.396169][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  243.396169][   T72]      netlink_rcv_skb+0x130/0x360
[  243.396169][   T72]      netlink_unicast+0x449/0x710
[  243.396169][   T72]      netlink_sendmsg+0x723/0xbe0
[  243.396169][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  243.396169][   T72]      ___sys_sendmsg+0xee/0x170
[  243.396169][   T72]      __sys_sendmsg+0xcd/0x170
[  243.396169][   T72]      do_syscall_64+0xc6/0x1e0
[  243.396169][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  243.396169][   T72] 
[  243.398058][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  243.398339][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  243.398339][   T72]      netdev_get_by_index+0x5e/0x80
[  243.398339][   T72]      fib6_nh_init+0x3d8/0x1580
[  243.398339][   T72]      ip6_route_info_create+0xf18/0x17d0
[  243.398339][   T72]      ip6_route_add+0x1c/0x140
[  243.398339][   T72]      addrconf_prefix_route+0x2a6/0x430
[  243.398339][   T72]      inet6_addr_add+0x4f8/0xa40
[  243.398339][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  243.398339][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  243.398339][   T72]      netlink_rcv_skb+0x130/0x360
[  243.398339][   T72]      netlink_unicast+0x449/0x710
[  243.398339][   T72]      netlink_sendmsg+0x723/0xbe0
[  243.398339][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  243.398339][   T72]      ___sys_sendmsg+0xee/0x170
[  243.398339][   T72]      __sys_sendmsg+0xcd/0x170
[  243.398339][   T72]      do_syscall_64+0xc6/0x1e0
[  243.398339][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  243.398339][   T72] 
[  243.400544][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  243.400544][   T72]      netdev_get_by_index+0x5e/0x80
[  243.400544][   T72]      fib6_nh_init+0x3d8/0x1580
[  243.400544][   T72]      ip6_route_info_create+0xf18/0x17d0
[  243.400544][   T72]      addrconf_f6i_alloc+0x315/0x560
[  243.400544][   T72]      ipv6_add_addr+0x411/0x2000
[  243.400544][   T72]      inet6_addr_add+0x30e/0xa40
[  243.400544][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  243.400544][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  243.400544][   T72]      netlink_rcv_skb+0x130/0x360
[  243.400544][   T72]      netlink_unicast+0x449/0x710
[  243.400544][   T72]      netlink_sendmsg+0x723/0xbe0
[  243.400544][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  243.400544][   T72]      ___sys_sendmsg+0xee/0x170
[  243.400544][   T72]      __sys_sendmsg+0xcd/0x170
[  243.400544][   T72]      do_syscall_64+0xc6/0x1e0
[  243.400544][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  243.400544][   T72] 
[  243.402749][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  243.402749][   T72]      netdev_get_by_index+0x5e/0x80
[  243.402749][   T72]      fib6_nh_init+0x3d8/0x1580
[  243.402749][   T72]      ip6_route_info_create+0xf18/0x17d0
[  243.402749][   T72]      ip6_route_add+0x1c/0x140
[  243.402749][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  243.402749][   T72]      addrconf_add_dev+0xe2/0x170
[  243.402749][   T72]      inet6_addr_add+0x12f/0xa40
[  243.402749][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  243.402749][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  243.402749][   T72]      netlink_rcv_skb+0x130/0x360
[  243.402749][   T72]      netlink_unicast+0x449/0x710
[  243.402749][   T72]      netlink_sendmsg+0x723/0xbe0
[  243.402749][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  243.402749][   T72]      ___sys_sendmsg+0xee/0x170
[  243.402749][   T72]      __sys_sendmsg+0xcd/0x170
[  243.402749][   T72]      do_syscall_64+0xc6/0x1e0
[  243.402749][   T72] 
[  243.404875][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  243.404875][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  243.404875][   T72]      ipv6_find_idev+0x102/0x170
[  243.404875][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  243.404875][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  243.404875][   T72]      netlink_rcv_skb+0x130/0x360
[  243.404875][   T72]      netlink_unicast+0x449/0x710
[  243.404875][   T72]      netlink_sendmsg+0x723/0xbe0
[  243.404875][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  243.404875][   T72]      ___sys_sendmsg+0xee/0x170
[  243.404875][   T72]      __sys_sendmsg+0xcd/0x170
[  243.404875][   T72]      do_syscall_64+0xc6/0x1e0
[  243.404875][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  243.404875][   T72] 
[  243.406501][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  243.406501][   T72]      neigh_parms_alloc+0x1e5/0x510
[  243.406501][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  243.406501][   T72]      ipv6_find_idev+0x102/0x170
[  243.406501][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  243.406501][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  243.406501][   T72]      netlink_rcv_skb+0x130/0x360
[  243.406501][   T72]      netlink_unicast+0x449/0x710
[  243.406501][   T72]      netlink_sendmsg+0x723/0xbe0
[  243.406501][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  243.406501][   T72]      ___sys_sendmsg+0xee/0x170
[  243.406501][   T72]      __sys_sendmsg+0xcd/0x170
[  243.406501][   T72]      do_syscall_64+0xc6/0x1e0
[  243.406501][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  243.406501][   T72] 
[  247.079855][   T42] INFO: task modprobe:456 blocked for more than 122 seconds.
[  247.080338][   T42]       Not tainted 6.8.0-virtme #1
[  247.080477][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  247.080707][   T42] task:modprobe        state:D stack:25648 pid:456   tgid:456   ppid:39     flags:0x00004002
[  247.081308][   T42] Call Trace:
[  247.081438][   T42]  <TASK>
[  247.081524][   T42]  __schedule+0x705/0x1ac0
[  247.081679][   T42]  ? __pfx___schedule+0x10/0x10
[  247.081842][   T42]  ? schedule+0x1a5/0x210
[  247.081953][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  247.082099][   T42]  ? mark_lock+0x38/0x3e0
[  247.082206][   T42]  ? do_raw_spin_lock+0x131/0x270
[  247.082458][   T42]  ? schedule+0x1a5/0x210
[  247.082567][   T42]  schedule+0xdf/0x210
[  247.082674][   T42]  schedule_preempt_disabled+0x15/0x30
[  247.082824][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[  247.083007][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[  247.083180][   T42]  ? kasan_save_stack+0x34/0x50
[  247.083320][   T42]  ? kasan_save_stack+0x24/0x50
[  247.083465][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  247.083609][   T42]  ? lock_acquire+0x1c1/0x220
[  247.083750][   T42]  ? register_pernet_subsys+0x1a/0x50
[  247.083906][   T42]  down_write+0x1c9/0x200
[  247.084014][   T42]  ? __pfx_down_write+0x10/0x10
[  247.084151][   T42]  ? __pfx___lock_release+0x10/0x10
[  247.084303][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[  247.084527][   T42]  register_pernet_subsys+0x1a/0x50
[  247.084666][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[  247.084875][   T42]  do_one_initcall+0xc8/0x3f0
[  247.085020][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[  247.085160][   T42]  ? __create_object+0x5e/0xb0
[  247.085307][   T42]  ? kasan_unpoison+0x27/0x60
[  247.085454][   T42]  do_init_module+0x233/0x740
[  247.085607][   T42]  load_module+0x16b5/0x2350
[  247.085756][   T42]  ? __pfx_load_module+0x10/0x10
[  247.085923][   T42]  ? kernel_read_file+0x3d2/0x520
[  247.086068][   T42]  ? kernel_read_file+0x300/0x520
[  247.086214][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[  247.086363][   T42]  ? init_module_from_file+0xd2/0x130
[  247.086500][   T42]  init_module_from_file+0xd2/0x130
[  247.086642][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[  247.086820][   T42]  ? __lock_release+0x103/0x460
[  247.086960][   T42]  ? idempotent_init_module+0x32a/0x620
[  247.087112][   T42]  ? idempotent_init_module+0x32a/0x620
[  247.087249][   T42]  ? do_raw_spin_unlock+0x58/0x220
[  247.087391][   T42]  idempotent_init_module+0x342/0x620
[  247.087535][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[  247.087726][   T42]  __x64_sys_finit_module+0xbe/0x130
[  247.087880][   T42]  do_syscall_64+0xc6/0x1e0
[  247.088028][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  247.088208][   T42] RIP: 0033:0x7f93cc153e5d
[  247.088363][   T42] RSP: 002b:00007fff97ff1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  247.088577][   T42] RAX: ffffffffffffffda RBX: 0000557c14f43e90 RCX: 00007f93cc153e5d
[  247.088801][   T42] RDX: 0000000000000000 RSI: 0000557bf5357a2a RDI: 0000000000000001
[  247.089015][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557c14f444f0
[  247.089225][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bf5357a2a
[  247.089436][   T42] R13: 0000557c14f43e40 R14: 0000557c14f44570 R15: 0000000000000000
[  247.089658][   T42]  </TASK>
[  247.089798][   T42] 
[  247.089798][   T42] Showing all locks held in the system:
[  247.090014][   T42] 2 locks held by kworker/u20:0/39:
[  247.090154][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  247.090442][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  247.090758][   T42] 1 lock held by khungtaskd/42:
[  247.090905][   T42]  #0: ffffffffa85591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[  247.091161][   T42] 3 locks held by kworker/u16:1/72:
[  247.091299][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  247.091582][   T42]  #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  247.091844][   T42]  #2: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[  247.092093][   T42] 1 lock held by modprobe/456:
[  247.092227][   T42]  #0: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[  247.092559][   T42] 
[  247.092668][   T42] =============================================
[  247.092668][   T42] 
[  253.647911][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  253.648320][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  253.648320][   T72]      netdev_get_by_index+0x5e/0x80
[  253.648320][   T72]      fib6_nh_init+0x3d8/0x1580
[  253.648320][   T72]      ip6_route_info_create+0xf18/0x17d0
[  253.648320][   T72]      addrconf_f6i_alloc+0x315/0x560
[  253.648320][   T72]      ipv6_add_addr+0x411/0x2000
[  253.648320][   T72]      inet6_addr_add+0x30e/0xa40
[  253.648320][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  253.648320][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  253.648320][   T72]      netlink_rcv_skb+0x130/0x360
[  253.648320][   T72]      netlink_unicast+0x449/0x710
[  253.648320][   T72]      netlink_sendmsg+0x723/0xbe0
[  253.648320][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  253.648320][   T72]      ___sys_sendmsg+0xee/0x170
[  253.648320][   T72]      __sys_sendmsg+0xcd/0x170
[  253.648320][   T72]      do_syscall_64+0xc6/0x1e0
[  253.648320][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  253.648320][   T72] 
[  253.650524][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  253.650524][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  253.650524][   T72]      ipv6_find_idev+0x102/0x170
[  253.650524][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  253.650524][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  253.650524][   T72]      netlink_rcv_skb+0x130/0x360
[  253.650524][   T72]      netlink_unicast+0x449/0x710
[  253.650524][   T72]      netlink_sendmsg+0x723/0xbe0
[  253.650524][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  253.650524][   T72]      ___sys_sendmsg+0xee/0x170
[  253.650524][   T72]      __sys_sendmsg+0xcd/0x170
[  253.650524][   T72]      do_syscall_64+0xc6/0x1e0
[  253.650524][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  253.650524][   T72] 
[  253.652207][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  253.652207][   T72]      neigh_parms_alloc+0x1e5/0x510
[  253.652207][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  253.652207][   T72]      ipv6_find_idev+0x102/0x170
[  253.652207][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  253.652207][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  253.652207][   T72]      netlink_rcv_skb+0x130/0x360
[  253.652207][   T72]      netlink_unicast+0x449/0x710
[  253.652207][   T72]      netlink_sendmsg+0x723/0xbe0
[  253.652207][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  253.652207][   T72]      ___sys_sendmsg+0xee/0x170
[  253.652207][   T72]      __sys_sendmsg+0xcd/0x170
[  253.652207][   T72]      do_syscall_64+0xc6/0x1e0
[  253.652207][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  253.652207][   T72] 
[  253.654035][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  253.654319][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  253.654319][   T72]      netdev_get_by_index+0x5e/0x80
[  253.654319][   T72]      fib6_nh_init+0x3d8/0x1580
[  253.654319][   T72]      ip6_route_info_create+0xf18/0x17d0
[  253.654319][   T72]      ip6_route_add+0x1c/0x140
[  253.654319][   T72]      addrconf_prefix_route+0x2a6/0x430
[  253.654319][   T72]      inet6_addr_add+0x4f8/0xa40
[  253.654319][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  253.654319][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  253.654319][   T72]      netlink_rcv_skb+0x130/0x360
[  253.654319][   T72]      netlink_unicast+0x449/0x710
[  253.654319][   T72]      netlink_sendmsg+0x723/0xbe0
[  253.654319][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  253.654319][   T72]      ___sys_sendmsg+0xee/0x170
[  253.654319][   T72]      __sys_sendmsg+0xcd/0x170
[  253.654319][   T72]      do_syscall_64+0xc6/0x1e0
[  253.654319][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  253.654319][   T72] 
[  253.656420][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  253.656420][   T72]      netdev_get_by_index+0x5e/0x80
[  253.656420][   T72]      fib6_nh_init+0x3d8/0x1580
[  253.656420][   T72]      ip6_route_info_create+0xf18/0x17d0
[  253.656420][   T72]      addrconf_f6i_alloc+0x315/0x560
[  253.656420][   T72]      ipv6_add_addr+0x411/0x2000
[  253.656420][   T72]      inet6_addr_add+0x30e/0xa40
[  253.656420][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  253.656420][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  253.656420][   T72]      netlink_rcv_skb+0x130/0x360
[  253.656420][   T72]      netlink_unicast+0x449/0x710
[  253.656420][   T72]      netlink_sendmsg+0x723/0xbe0
[  253.656420][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  253.656420][   T72]      ___sys_sendmsg+0xee/0x170
[  253.656420][   T72]      __sys_sendmsg+0xcd/0x170
[  253.656420][   T72]      do_syscall_64+0xc6/0x1e0
[  253.656420][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  253.656420][   T72] 
[  253.658578][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  253.658578][   T72]      netdev_get_by_index+0x5e/0x80
[  253.658578][   T72]      fib6_nh_init+0x3d8/0x1580
[  253.658578][   T72]      ip6_route_info_create+0xf18/0x17d0
[  253.658578][   T72]      ip6_route_add+0x1c/0x140
[  253.658578][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  253.658578][   T72]      addrconf_add_dev+0xe2/0x170
[  253.658578][   T72]      inet6_addr_add+0x12f/0xa40
[  253.658578][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  253.658578][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  253.658578][   T72]      netlink_rcv_skb+0x130/0x360
[  253.658578][   T72]      netlink_unicast+0x449/0x710
[  253.658578][   T72]      netlink_sendmsg+0x723/0xbe0
[  253.658578][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  253.658578][   T72]      ___sys_sendmsg+0xee/0x170
[  253.658578][   T72]      __sys_sendmsg+0xcd/0x170
[  253.658578][   T72]      do_syscall_64+0xc6/0x1e0
[  253.658578][   T72] 
[  253.660750][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  253.660750][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  253.660750][   T72]      ipv6_find_idev+0x102/0x170
[  253.660750][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  253.660750][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  253.660750][   T72]      netlink_rcv_skb+0x130/0x360
[  253.660750][   T72]      netlink_unicast+0x449/0x710
[  253.660750][   T72]      netlink_sendmsg+0x723/0xbe0
[  253.660750][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  253.660750][   T72]      ___sys_sendmsg+0xee/0x170
[  253.660750][   T72]      __sys_sendmsg+0xcd/0x170
[  253.660750][   T72]      do_syscall_64+0xc6/0x1e0
[  253.660750][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  253.660750][   T72] 
[  253.662436][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  253.662436][   T72]      neigh_parms_alloc+0x1e5/0x510
[  253.662436][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  253.662436][   T72]      ipv6_find_idev+0x102/0x170
[  253.662436][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  253.662436][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  253.662436][   T72]      netlink_rcv_skb+0x130/0x360
[  253.662436][   T72]      netlink_unicast+0x449/0x710
[  253.662436][   T72]      netlink_sendmsg+0x723/0xbe0
[  253.662436][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  253.662436][   T72]      ___sys_sendmsg+0xee/0x170
[  253.662436][   T72]      __sys_sendmsg+0xcd/0x170
[  253.662436][   T72]      do_syscall_64+0xc6/0x1e0
[  253.662436][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  253.662436][   T72] 
[  263.903871][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  263.904368][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  263.904368][   T72]      netdev_get_by_index+0x5e/0x80
[  263.904368][   T72]      fib6_nh_init+0x3d8/0x1580
[  263.904368][   T72]      ip6_route_info_create+0xf18/0x17d0
[  263.904368][   T72]      addrconf_f6i_alloc+0x315/0x560
[  263.904368][   T72]      ipv6_add_addr+0x411/0x2000
[  263.904368][   T72]      inet6_addr_add+0x30e/0xa40
[  263.904368][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  263.904368][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  263.904368][   T72]      netlink_rcv_skb+0x130/0x360
[  263.904368][   T72]      netlink_unicast+0x449/0x710
[  263.904368][   T72]      netlink_sendmsg+0x723/0xbe0
[  263.904368][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  263.904368][   T72]      ___sys_sendmsg+0xee/0x170
[  263.904368][   T72]      __sys_sendmsg+0xcd/0x170
[  263.904368][   T72]      do_syscall_64+0xc6/0x1e0
[  263.904368][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  263.904368][   T72] 
[  263.906711][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  263.906711][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  263.906711][   T72]      ipv6_find_idev+0x102/0x170
[  263.906711][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  263.906711][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  263.906711][   T72]      netlink_rcv_skb+0x130/0x360
[  263.906711][   T72]      netlink_unicast+0x449/0x710
[  263.906711][   T72]      netlink_sendmsg+0x723/0xbe0
[  263.906711][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  263.906711][   T72]      ___sys_sendmsg+0xee/0x170
[  263.906711][   T72]      __sys_sendmsg+0xcd/0x170
[  263.906711][   T72]      do_syscall_64+0xc6/0x1e0
[  263.906711][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  263.906711][   T72] 
[  263.908516][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  263.908516][   T72]      neigh_parms_alloc+0x1e5/0x510
[  263.908516][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  263.908516][   T72]      ipv6_find_idev+0x102/0x170
[  263.908516][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  263.908516][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  263.908516][   T72]      netlink_rcv_skb+0x130/0x360
[  263.908516][   T72]      netlink_unicast+0x449/0x710
[  263.908516][   T72]      netlink_sendmsg+0x723/0xbe0
[  263.908516][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  263.908516][   T72]      ___sys_sendmsg+0xee/0x170
[  263.908516][   T72]      __sys_sendmsg+0xcd/0x170
[  263.908516][   T72]      do_syscall_64+0xc6/0x1e0
[  263.908516][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  263.908516][   T72] 
[  263.910455][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  263.910734][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  263.910734][   T72]      netdev_get_by_index+0x5e/0x80
[  263.910734][   T72]      fib6_nh_init+0x3d8/0x1580
[  263.910734][   T72]      ip6_route_info_create+0xf18/0x17d0
[  263.910734][   T72]      ip6_route_add+0x1c/0x140
[  263.910734][   T72]      addrconf_prefix_route+0x2a6/0x430
[  263.910734][   T72]      inet6_addr_add+0x4f8/0xa40
[  263.910734][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  263.910734][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  263.910734][   T72]      netlink_rcv_skb+0x130/0x360
[  263.910734][   T72]      netlink_unicast+0x449/0x710
[  263.910734][   T72]      netlink_sendmsg+0x723/0xbe0
[  263.910734][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  263.910734][   T72]      ___sys_sendmsg+0xee/0x170
[  263.910734][   T72]      __sys_sendmsg+0xcd/0x170
[  263.910734][   T72]      do_syscall_64+0xc6/0x1e0
[  263.910734][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  263.910734][   T72] 
[  263.912992][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  263.912992][   T72]      netdev_get_by_index+0x5e/0x80
[  263.912992][   T72]      fib6_nh_init+0x3d8/0x1580
[  263.912992][   T72]      ip6_route_info_create+0xf18/0x17d0
[  263.912992][   T72]      addrconf_f6i_alloc+0x315/0x560
[  263.912992][   T72]      ipv6_add_addr+0x411/0x2000
[  263.912992][   T72]      inet6_addr_add+0x30e/0xa40
[  263.912992][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  263.912992][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  263.912992][   T72]      netlink_rcv_skb+0x130/0x360
[  263.912992][   T72]      netlink_unicast+0x449/0x710
[  263.912992][   T72]      netlink_sendmsg+0x723/0xbe0
[  263.912992][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  263.912992][   T72]      ___sys_sendmsg+0xee/0x170
[  263.912992][   T72]      __sys_sendmsg+0xcd/0x170
[  263.912992][   T72]      do_syscall_64+0xc6/0x1e0
[  263.912992][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  263.912992][   T72] 
[  263.915255][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  263.915255][   T72]      netdev_get_by_index+0x5e/0x80
[  263.915255][   T72]      fib6_nh_init+0x3d8/0x1580
[  263.915255][   T72]      ip6_route_info_create+0xf18/0x17d0
[  263.915255][   T72]      ip6_route_add+0x1c/0x140
[  263.915255][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  263.915255][   T72]      addrconf_add_dev+0xe2/0x170
[  263.915255][   T72]      inet6_addr_add+0x12f/0xa40
[  263.915255][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  263.915255][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  263.915255][   T72]      netlink_rcv_skb+0x130/0x360
[  263.915255][   T72]      netlink_unicast+0x449/0x710
[  263.915255][   T72]      netlink_sendmsg+0x723/0xbe0
[  263.915255][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  263.915255][   T72]      ___sys_sendmsg+0xee/0x170
[  263.915255][   T72]      __sys_sendmsg+0xcd/0x170
[  263.915255][   T72]      do_syscall_64+0xc6/0x1e0
[  263.915255][   T72] 
[  263.917493][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  263.917493][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  263.917493][   T72]      ipv6_find_idev+0x102/0x170
[  263.917493][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  263.917493][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  263.917493][   T72]      netlink_rcv_skb+0x130/0x360
[  263.917493][   T72]      netlink_unicast+0x449/0x710
[  263.917493][   T72]      netlink_sendmsg+0x723/0xbe0
[  263.917493][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  263.917493][   T72]      ___sys_sendmsg+0xee/0x170
[  263.917493][   T72]      __sys_sendmsg+0xcd/0x170
[  263.917493][   T72]      do_syscall_64+0xc6/0x1e0
[  263.917493][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  263.917493][   T72] 
[  263.919241][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  263.919241][   T72]      neigh_parms_alloc+0x1e5/0x510
[  263.919241][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  263.919241][   T72]      ipv6_find_idev+0x102/0x170
[  263.919241][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  263.919241][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  263.919241][   T72]      netlink_rcv_skb+0x130/0x360
[  263.919241][   T72]      netlink_unicast+0x449/0x710
[  263.919241][   T72]      netlink_sendmsg+0x723/0xbe0
[  263.919241][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  263.919241][   T72]      ___sys_sendmsg+0xee/0x170
[  263.919241][   T72]      __sys_sendmsg+0xcd/0x170
[  263.919241][   T72]      do_syscall_64+0xc6/0x1e0
[  263.919241][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  263.919241][   T72] 
[  274.159952][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  274.160445][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  274.160445][   T72]      netdev_get_by_index+0x5e/0x80
[  274.160445][   T72]      fib6_nh_init+0x3d8/0x1580
[  274.160445][   T72]      ip6_route_info_create+0xf18/0x17d0
[  274.160445][   T72]      addrconf_f6i_alloc+0x315/0x560
[  274.160445][   T72]      ipv6_add_addr+0x411/0x2000
[  274.160445][   T72]      inet6_addr_add+0x30e/0xa40
[  274.160445][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  274.160445][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  274.160445][   T72]      netlink_rcv_skb+0x130/0x360
[  274.160445][   T72]      netlink_unicast+0x449/0x710
[  274.160445][   T72]      netlink_sendmsg+0x723/0xbe0
[  274.160445][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  274.160445][   T72]      ___sys_sendmsg+0xee/0x170
[  274.160445][   T72]      __sys_sendmsg+0xcd/0x170
[  274.160445][   T72]      do_syscall_64+0xc6/0x1e0
[  274.160445][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  274.160445][   T72] 
[  274.162787][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  274.162787][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  274.162787][   T72]      ipv6_find_idev+0x102/0x170
[  274.162787][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  274.162787][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  274.162787][   T72]      netlink_rcv_skb+0x130/0x360
[  274.162787][   T72]      netlink_unicast+0x449/0x710
[  274.162787][   T72]      netlink_sendmsg+0x723/0xbe0
[  274.162787][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  274.162787][   T72]      ___sys_sendmsg+0xee/0x170
[  274.162787][   T72]      __sys_sendmsg+0xcd/0x170
[  274.162787][   T72]      do_syscall_64+0xc6/0x1e0
[  274.162787][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  274.162787][   T72] 
[  274.164523][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  274.164523][   T72]      neigh_parms_alloc+0x1e5/0x510
[  274.164523][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  274.164523][   T72]      ipv6_find_idev+0x102/0x170
[  274.164523][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  274.164523][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  274.164523][   T72]      netlink_rcv_skb+0x130/0x360
[  274.164523][   T72]      netlink_unicast+0x449/0x710
[  274.164523][   T72]      netlink_sendmsg+0x723/0xbe0
[  274.164523][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  274.164523][   T72]      ___sys_sendmsg+0xee/0x170
[  274.164523][   T72]      __sys_sendmsg+0xcd/0x170
[  274.164523][   T72]      do_syscall_64+0xc6/0x1e0
[  274.164523][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  274.164523][   T72] 
[  274.166467][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  274.166734][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  274.166734][   T72]      netdev_get_by_index+0x5e/0x80
[  274.166734][   T72]      fib6_nh_init+0x3d8/0x1580
[  274.166734][   T72]      ip6_route_info_create+0xf18/0x17d0
[  274.166734][   T72]      ip6_route_add+0x1c/0x140
[  274.166734][   T72]      addrconf_prefix_route+0x2a6/0x430
[  274.166734][   T72]      inet6_addr_add+0x4f8/0xa40
[  274.166734][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  274.166734][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  274.166734][   T72]      netlink_rcv_skb+0x130/0x360
[  274.166734][   T72]      netlink_unicast+0x449/0x710
[  274.166734][   T72]      netlink_sendmsg+0x723/0xbe0
[  274.166734][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  274.166734][   T72]      ___sys_sendmsg+0xee/0x170
[  274.166734][   T72]      __sys_sendmsg+0xcd/0x170
[  274.166734][   T72]      do_syscall_64+0xc6/0x1e0
[  274.166734][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  274.166734][   T72] 
[  274.168987][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  274.168987][   T72]      netdev_get_by_index+0x5e/0x80
[  274.168987][   T72]      fib6_nh_init+0x3d8/0x1580
[  274.168987][   T72]      ip6_route_info_create+0xf18/0x17d0
[  274.168987][   T72]      addrconf_f6i_alloc+0x315/0x560
[  274.168987][   T72]      ipv6_add_addr+0x411/0x2000
[  274.168987][   T72]      inet6_addr_add+0x30e/0xa40
[  274.168987][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  274.168987][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  274.168987][   T72]      netlink_rcv_skb+0x130/0x360
[  274.168987][   T72]      netlink_unicast+0x449/0x710
[  274.168987][   T72]      netlink_sendmsg+0x723/0xbe0
[  274.168987][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  274.168987][   T72]      ___sys_sendmsg+0xee/0x170
[  274.168987][   T72]      __sys_sendmsg+0xcd/0x170
[  274.168987][   T72]      do_syscall_64+0xc6/0x1e0
[  274.168987][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  274.168987][   T72] 
[  274.171332][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  274.171332][   T72]      netdev_get_by_index+0x5e/0x80
[  274.171332][   T72]      fib6_nh_init+0x3d8/0x1580
[  274.171332][   T72]      ip6_route_info_create+0xf18/0x17d0
[  274.171332][   T72]      ip6_route_add+0x1c/0x140
[  274.171332][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  274.171332][   T72]      addrconf_add_dev+0xe2/0x170
[  274.171332][   T72]      inet6_addr_add+0x12f/0xa40
[  274.171332][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  274.171332][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  274.171332][   T72]      netlink_rcv_skb+0x130/0x360
[  274.171332][   T72]      netlink_unicast+0x449/0x710
[  274.171332][   T72]      netlink_sendmsg+0x723/0xbe0
[  274.171332][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  274.171332][   T72]      ___sys_sendmsg+0xee/0x170
[  274.171332][   T72]      __sys_sendmsg+0xcd/0x170
[  274.171332][   T72]      do_syscall_64+0xc6/0x1e0
[  274.171332][   T72] 
[  274.173549][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  274.173549][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  274.173549][   T72]      ipv6_find_idev+0x102/0x170
[  274.173549][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  274.173549][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  274.173549][   T72]      netlink_rcv_skb+0x130/0x360
[  274.173549][   T72]      netlink_unicast+0x449/0x710
[  274.173549][   T72]      netlink_sendmsg+0x723/0xbe0
[  274.173549][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  274.173549][   T72]      ___sys_sendmsg+0xee/0x170
[  274.173549][   T72]      __sys_sendmsg+0xcd/0x170
[  274.173549][   T72]      do_syscall_64+0xc6/0x1e0
[  274.173549][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  274.173549][   T72] 
[  274.175298][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  274.175298][   T72]      neigh_parms_alloc+0x1e5/0x510
[  274.175298][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  274.175298][   T72]      ipv6_find_idev+0x102/0x170
[  274.175298][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  274.175298][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  274.175298][   T72]      netlink_rcv_skb+0x130/0x360
[  274.175298][   T72]      netlink_unicast+0x449/0x710
[  274.175298][   T72]      netlink_sendmsg+0x723/0xbe0
[  274.175298][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  274.175298][   T72]      ___sys_sendmsg+0xee/0x170
[  274.175298][   T72]      __sys_sendmsg+0xcd/0x170
[  274.175298][   T72]      do_syscall_64+0xc6/0x1e0
[  274.175298][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  274.175298][   T72] 
[  284.351894][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  284.352378][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  284.352378][   T72]      netdev_get_by_index+0x5e/0x80
[  284.352378][   T72]      fib6_nh_init+0x3d8/0x1580
[  284.352378][   T72]      ip6_route_info_create+0xf18/0x17d0
[  284.352378][   T72]      addrconf_f6i_alloc+0x315/0x560
[  284.352378][   T72]      ipv6_add_addr+0x411/0x2000
[  284.352378][   T72]      inet6_addr_add+0x30e/0xa40
[  284.352378][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  284.352378][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  284.352378][   T72]      netlink_rcv_skb+0x130/0x360
[  284.352378][   T72]      netlink_unicast+0x449/0x710
[  284.352378][   T72]      netlink_sendmsg+0x723/0xbe0
[  284.352378][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  284.352378][   T72]      ___sys_sendmsg+0xee/0x170
[  284.352378][   T72]      __sys_sendmsg+0xcd/0x170
[  284.352378][   T72]      do_syscall_64+0xc6/0x1e0
[  284.352378][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  284.352378][   T72] 
[  284.354687][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  284.354687][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  284.354687][   T72]      ipv6_find_idev+0x102/0x170
[  284.354687][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  284.354687][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  284.354687][   T72]      netlink_rcv_skb+0x130/0x360
[  284.354687][   T72]      netlink_unicast+0x449/0x710
[  284.354687][   T72]      netlink_sendmsg+0x723/0xbe0
[  284.354687][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  284.354687][   T72]      ___sys_sendmsg+0xee/0x170
[  284.354687][   T72]      __sys_sendmsg+0xcd/0x170
[  284.354687][   T72]      do_syscall_64+0xc6/0x1e0
[  284.354687][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  284.354687][   T72] 
[  284.356451][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  284.356451][   T72]      neigh_parms_alloc+0x1e5/0x510
[  284.356451][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  284.356451][   T72]      ipv6_find_idev+0x102/0x170
[  284.356451][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  284.356451][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  284.356451][   T72]      netlink_rcv_skb+0x130/0x360
[  284.356451][   T72]      netlink_unicast+0x449/0x710
[  284.356451][   T72]      netlink_sendmsg+0x723/0xbe0
[  284.356451][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  284.356451][   T72]      ___sys_sendmsg+0xee/0x170
[  284.356451][   T72]      __sys_sendmsg+0xcd/0x170
[  284.356451][   T72]      do_syscall_64+0xc6/0x1e0
[  284.356451][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  284.356451][   T72] 
[  284.358394][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  284.358671][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  284.358671][   T72]      netdev_get_by_index+0x5e/0x80
[  284.358671][   T72]      fib6_nh_init+0x3d8/0x1580
[  284.358671][   T72]      ip6_route_info_create+0xf18/0x17d0
[  284.358671][   T72]      ip6_route_add+0x1c/0x140
[  284.358671][   T72]      addrconf_prefix_route+0x2a6/0x430
[  284.358671][   T72]      inet6_addr_add+0x4f8/0xa40
[  284.358671][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  284.358671][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  284.358671][   T72]      netlink_rcv_skb+0x130/0x360
[  284.358671][   T72]      netlink_unicast+0x449/0x710
[  284.358671][   T72]      netlink_sendmsg+0x723/0xbe0
[  284.358671][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  284.358671][   T72]      ___sys_sendmsg+0xee/0x170
[  284.358671][   T72]      __sys_sendmsg+0xcd/0x170
[  284.358671][   T72]      do_syscall_64+0xc6/0x1e0
[  284.358671][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  284.358671][   T72] 
[  284.360970][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  284.360970][   T72]      netdev_get_by_index+0x5e/0x80
[  284.360970][   T72]      fib6_nh_init+0x3d8/0x1580
[  284.360970][   T72]      ip6_route_info_create+0xf18/0x17d0
[  284.360970][   T72]      addrconf_f6i_alloc+0x315/0x560
[  284.360970][   T72]      ipv6_add_addr+0x411/0x2000
[  284.360970][   T72]      inet6_addr_add+0x30e/0xa40
[  284.360970][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  284.360970][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  284.360970][   T72]      netlink_rcv_skb+0x130/0x360
[  284.360970][   T72]      netlink_unicast+0x449/0x710
[  284.360970][   T72]      netlink_sendmsg+0x723/0xbe0
[  284.360970][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  284.360970][   T72]      ___sys_sendmsg+0xee/0x170
[  284.360970][   T72]      __sys_sendmsg+0xcd/0x170
[  284.360970][   T72]      do_syscall_64+0xc6/0x1e0
[  284.360970][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  284.360970][   T72] 
[  284.363237][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  284.363237][   T72]      netdev_get_by_index+0x5e/0x80
[  284.363237][   T72]      fib6_nh_init+0x3d8/0x1580
[  284.363237][   T72]      ip6_route_info_create+0xf18/0x17d0
[  284.363237][   T72]      ip6_route_add+0x1c/0x140
[  284.363237][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  284.363237][   T72]      addrconf_add_dev+0xe2/0x170
[  284.363237][   T72]      inet6_addr_add+0x12f/0xa40
[  284.363237][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  284.363237][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  284.363237][   T72]      netlink_rcv_skb+0x130/0x360
[  284.363237][   T72]      netlink_unicast+0x449/0x710
[  284.363237][   T72]      netlink_sendmsg+0x723/0xbe0
[  284.363237][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  284.363237][   T72]      ___sys_sendmsg+0xee/0x170
[  284.363237][   T72]      __sys_sendmsg+0xcd/0x170
[  284.363237][   T72]      do_syscall_64+0xc6/0x1e0
[  284.363237][   T72] 
[  284.365520][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  284.365520][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  284.365520][   T72]      ipv6_find_idev+0x102/0x170
[  284.365520][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  284.365520][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  284.365520][   T72]      netlink_rcv_skb+0x130/0x360
[  284.365520][   T72]      netlink_unicast+0x449/0x710
[  284.365520][   T72]      netlink_sendmsg+0x723/0xbe0
[  284.365520][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  284.365520][   T72]      ___sys_sendmsg+0xee/0x170
[  284.365520][   T72]      __sys_sendmsg+0xcd/0x170
[  284.365520][   T72]      do_syscall_64+0xc6/0x1e0
[  284.365520][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  284.365520][   T72] 
[  284.367280][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  284.367280][   T72]      neigh_parms_alloc+0x1e5/0x510
[  284.367280][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  284.367280][   T72]      ipv6_find_idev+0x102/0x170
[  284.367280][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  284.367280][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  284.367280][   T72]      netlink_rcv_skb+0x130/0x360
[  284.367280][   T72]      netlink_unicast+0x449/0x710
[  284.367280][   T72]      netlink_sendmsg+0x723/0xbe0
[  284.367280][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  284.367280][   T72]      ___sys_sendmsg+0xee/0x170
[  284.367280][   T72]      __sys_sendmsg+0xcd/0x170
[  284.367280][   T72]      do_syscall_64+0xc6/0x1e0
[  284.367280][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  284.367280][   T72] 
[  294.375921][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  294.376406][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  294.376406][   T72]      netdev_get_by_index+0x5e/0x80
[  294.376406][   T72]      fib6_nh_init+0x3d8/0x1580
[  294.376406][   T72]      ip6_route_info_create+0xf18/0x17d0
[  294.376406][   T72]      addrconf_f6i_alloc+0x315/0x560
[  294.376406][   T72]      ipv6_add_addr+0x411/0x2000
[  294.376406][   T72]      inet6_addr_add+0x30e/0xa40
[  294.376406][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  294.376406][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  294.376406][   T72]      netlink_rcv_skb+0x130/0x360
[  294.376406][   T72]      netlink_unicast+0x449/0x710
[  294.376406][   T72]      netlink_sendmsg+0x723/0xbe0
[  294.376406][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  294.376406][   T72]      ___sys_sendmsg+0xee/0x170
[  294.376406][   T72]      __sys_sendmsg+0xcd/0x170
[  294.376406][   T72]      do_syscall_64+0xc6/0x1e0
[  294.376406][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  294.376406][   T72] 
[  294.378777][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  294.378777][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  294.378777][   T72]      ipv6_find_idev+0x102/0x170
[  294.378777][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  294.378777][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  294.378777][   T72]      netlink_rcv_skb+0x130/0x360
[  294.378777][   T72]      netlink_unicast+0x449/0x710
[  294.378777][   T72]      netlink_sendmsg+0x723/0xbe0
[  294.378777][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  294.378777][   T72]      ___sys_sendmsg+0xee/0x170
[  294.378777][   T72]      __sys_sendmsg+0xcd/0x170
[  294.378777][   T72]      do_syscall_64+0xc6/0x1e0
[  294.378777][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  294.378777][   T72] 
[  294.380558][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  294.380558][   T72]      neigh_parms_alloc+0x1e5/0x510
[  294.380558][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  294.380558][   T72]      ipv6_find_idev+0x102/0x170
[  294.380558][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  294.380558][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  294.380558][   T72]      netlink_rcv_skb+0x130/0x360
[  294.380558][   T72]      netlink_unicast+0x449/0x710
[  294.380558][   T72]      netlink_sendmsg+0x723/0xbe0
[  294.380558][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  294.380558][   T72]      ___sys_sendmsg+0xee/0x170
[  294.380558][   T72]      __sys_sendmsg+0xcd/0x170
[  294.380558][   T72]      do_syscall_64+0xc6/0x1e0
[  294.380558][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  294.380558][   T72] 
[  294.382493][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  294.382770][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  294.382770][   T72]      netdev_get_by_index+0x5e/0x80
[  294.382770][   T72]      fib6_nh_init+0x3d8/0x1580
[  294.382770][   T72]      ip6_route_info_create+0xf18/0x17d0
[  294.382770][   T72]      ip6_route_add+0x1c/0x140
[  294.382770][   T72]      addrconf_prefix_route+0x2a6/0x430
[  294.382770][   T72]      inet6_addr_add+0x4f8/0xa40
[  294.382770][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  294.382770][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  294.382770][   T72]      netlink_rcv_skb+0x130/0x360
[  294.382770][   T72]      netlink_unicast+0x449/0x710
[  294.382770][   T72]      netlink_sendmsg+0x723/0xbe0
[  294.382770][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  294.382770][   T72]      ___sys_sendmsg+0xee/0x170
[  294.382770][   T72]      __sys_sendmsg+0xcd/0x170
[  294.382770][   T72]      do_syscall_64+0xc6/0x1e0
[  294.382770][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  294.382770][   T72] 
[  294.385058][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  294.385058][   T72]      netdev_get_by_index+0x5e/0x80
[  294.385058][   T72]      fib6_nh_init+0x3d8/0x1580
[  294.385058][   T72]      ip6_route_info_create+0xf18/0x17d0
[  294.385058][   T72]      addrconf_f6i_alloc+0x315/0x560
[  294.385058][   T72]      ipv6_add_addr+0x411/0x2000
[  294.385058][   T72]      inet6_addr_add+0x30e/0xa40
[  294.385058][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  294.385058][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  294.385058][   T72]      netlink_rcv_skb+0x130/0x360
[  294.385058][   T72]      netlink_unicast+0x449/0x710
[  294.385058][   T72]      netlink_sendmsg+0x723/0xbe0
[  294.385058][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  294.385058][   T72]      ___sys_sendmsg+0xee/0x170
[  294.385058][   T72]      __sys_sendmsg+0xcd/0x170
[  294.385058][   T72]      do_syscall_64+0xc6/0x1e0
[  294.385058][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  294.385058][   T72] 
[  294.387348][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  294.387348][   T72]      netdev_get_by_index+0x5e/0x80
[  294.387348][   T72]      fib6_nh_init+0x3d8/0x1580
[  294.387348][   T72]      ip6_route_info_create+0xf18/0x17d0
[  294.387348][   T72]      ip6_route_add+0x1c/0x140
[  294.387348][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  294.387348][   T72]      addrconf_add_dev+0xe2/0x170
[  294.387348][   T72]      inet6_addr_add+0x12f/0xa40
[  294.387348][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  294.387348][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  294.387348][   T72]      netlink_rcv_skb+0x130/0x360
[  294.387348][   T72]      netlink_unicast+0x449/0x710
[  294.387348][   T72]      netlink_sendmsg+0x723/0xbe0
[  294.387348][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  294.387348][   T72]      ___sys_sendmsg+0xee/0x170
[  294.387348][   T72]      __sys_sendmsg+0xcd/0x170
[  294.387348][   T72]      do_syscall_64+0xc6/0x1e0
[  294.387348][   T72] 
[  294.389577][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  294.389577][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  294.389577][   T72]      ipv6_find_idev+0x102/0x170
[  294.389577][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  294.389577][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  294.389577][   T72]      netlink_rcv_skb+0x130/0x360
[  294.389577][   T72]      netlink_unicast+0x449/0x710
[  294.389577][   T72]      netlink_sendmsg+0x723/0xbe0
[  294.389577][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  294.389577][   T72]      ___sys_sendmsg+0xee/0x170
[  294.389577][   T72]      __sys_sendmsg+0xcd/0x170
[  294.389577][   T72]      do_syscall_64+0xc6/0x1e0
[  294.389577][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  294.389577][   T72] 
[  294.391329][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  294.391329][   T72]      neigh_parms_alloc+0x1e5/0x510
[  294.391329][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  294.391329][   T72]      ipv6_find_idev+0x102/0x170
[  294.391329][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  294.391329][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  294.391329][   T72]      netlink_rcv_skb+0x130/0x360
[  294.391329][   T72]      netlink_unicast+0x449/0x710
[  294.391329][   T72]      netlink_sendmsg+0x723/0xbe0
[  294.391329][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  294.391329][   T72]      ___sys_sendmsg+0xee/0x170
[  294.391329][   T72]      __sys_sendmsg+0xcd/0x170
[  294.391329][   T72]      do_syscall_64+0xc6/0x1e0
[  294.391329][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  294.391329][   T72] 
[  304.639819][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  304.640252][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  304.640252][   T72]      netdev_get_by_index+0x5e/0x80
[  304.640252][   T72]      fib6_nh_init+0x3d8/0x1580
[  304.640252][   T72]      ip6_route_info_create+0xf18/0x17d0
[  304.640252][   T72]      addrconf_f6i_alloc+0x315/0x560
[  304.640252][   T72]      ipv6_add_addr+0x411/0x2000
[  304.640252][   T72]      inet6_addr_add+0x30e/0xa40
[  304.640252][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  304.640252][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  304.640252][   T72]      netlink_rcv_skb+0x130/0x360
[  304.640252][   T72]      netlink_unicast+0x449/0x710
[  304.640252][   T72]      netlink_sendmsg+0x723/0xbe0
[  304.640252][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  304.640252][   T72]      ___sys_sendmsg+0xee/0x170
[  304.640252][   T72]      __sys_sendmsg+0xcd/0x170
[  304.640252][   T72]      do_syscall_64+0xc6/0x1e0
[  304.640252][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  304.640252][   T72] 
[  304.642543][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  304.642543][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  304.642543][   T72]      ipv6_find_idev+0x102/0x170
[  304.642543][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  304.642543][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  304.642543][   T72]      netlink_rcv_skb+0x130/0x360
[  304.642543][   T72]      netlink_unicast+0x449/0x710
[  304.642543][   T72]      netlink_sendmsg+0x723/0xbe0
[  304.642543][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  304.642543][   T72]      ___sys_sendmsg+0xee/0x170
[  304.642543][   T72]      __sys_sendmsg+0xcd/0x170
[  304.642543][   T72]      do_syscall_64+0xc6/0x1e0
[  304.642543][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  304.642543][   T72] 
[  304.644309][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  304.644309][   T72]      neigh_parms_alloc+0x1e5/0x510
[  304.644309][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  304.644309][   T72]      ipv6_find_idev+0x102/0x170
[  304.644309][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  304.644309][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  304.644309][   T72]      netlink_rcv_skb+0x130/0x360
[  304.644309][   T72]      netlink_unicast+0x449/0x710
[  304.644309][   T72]      netlink_sendmsg+0x723/0xbe0
[  304.644309][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  304.644309][   T72]      ___sys_sendmsg+0xee/0x170
[  304.644309][   T72]      __sys_sendmsg+0xcd/0x170
[  304.644309][   T72]      do_syscall_64+0xc6/0x1e0
[  304.644309][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  304.644309][   T72] 
[  304.646214][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  304.646484][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  304.646484][   T72]      netdev_get_by_index+0x5e/0x80
[  304.646484][   T72]      fib6_nh_init+0x3d8/0x1580
[  304.646484][   T72]      ip6_route_info_create+0xf18/0x17d0
[  304.646484][   T72]      ip6_route_add+0x1c/0x140
[  304.646484][   T72]      addrconf_prefix_route+0x2a6/0x430
[  304.646484][   T72]      inet6_addr_add+0x4f8/0xa40
[  304.646484][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  304.646484][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  304.646484][   T72]      netlink_rcv_skb+0x130/0x360
[  304.646484][   T72]      netlink_unicast+0x449/0x710
[  304.646484][   T72]      netlink_sendmsg+0x723/0xbe0
[  304.646484][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  304.646484][   T72]      ___sys_sendmsg+0xee/0x170
[  304.646484][   T72]      __sys_sendmsg+0xcd/0x170
[  304.646484][   T72]      do_syscall_64+0xc6/0x1e0
[  304.646484][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  304.646484][   T72] 
[  304.648770][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  304.648770][   T72]      netdev_get_by_index+0x5e/0x80
[  304.648770][   T72]      fib6_nh_init+0x3d8/0x1580
[  304.648770][   T72]      ip6_route_info_create+0xf18/0x17d0
[  304.648770][   T72]      addrconf_f6i_alloc+0x315/0x560
[  304.648770][   T72]      ipv6_add_addr+0x411/0x2000
[  304.648770][   T72]      inet6_addr_add+0x30e/0xa40
[  304.648770][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  304.648770][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  304.648770][   T72]      netlink_rcv_skb+0x130/0x360
[  304.648770][   T72]      netlink_unicast+0x449/0x710
[  304.648770][   T72]      netlink_sendmsg+0x723/0xbe0
[  304.648770][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  304.648770][   T72]      ___sys_sendmsg+0xee/0x170
[  304.648770][   T72]      __sys_sendmsg+0xcd/0x170
[  304.648770][   T72]      do_syscall_64+0xc6/0x1e0
[  304.648770][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  304.648770][   T72] 
[  304.651070][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  304.651070][   T72]      netdev_get_by_index+0x5e/0x80
[  304.651070][   T72]      fib6_nh_init+0x3d8/0x1580
[  304.651070][   T72]      ip6_route_info_create+0xf18/0x17d0
[  304.651070][   T72]      ip6_route_add+0x1c/0x140
[  304.651070][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  304.651070][   T72]      addrconf_add_dev+0xe2/0x170
[  304.651070][   T72]      inet6_addr_add+0x12f/0xa40
[  304.651070][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  304.651070][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  304.651070][   T72]      netlink_rcv_skb+0x130/0x360
[  304.651070][   T72]      netlink_unicast+0x449/0x710
[  304.651070][   T72]      netlink_sendmsg+0x723/0xbe0
[  304.651070][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  304.651070][   T72]      ___sys_sendmsg+0xee/0x170
[  304.651070][   T72]      __sys_sendmsg+0xcd/0x170
[  304.651070][   T72]      do_syscall_64+0xc6/0x1e0
[  304.651070][   T72] 
[  304.653285][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  304.653285][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  304.653285][   T72]      ipv6_find_idev+0x102/0x170
[  304.653285][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  304.653285][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  304.653285][   T72]      netlink_rcv_skb+0x130/0x360
[  304.653285][   T72]      netlink_unicast+0x449/0x710
[  304.653285][   T72]      netlink_sendmsg+0x723/0xbe0
[  304.653285][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  304.653285][   T72]      ___sys_sendmsg+0xee/0x170
[  304.653285][   T72]      __sys_sendmsg+0xcd/0x170
[  304.653285][   T72]      do_syscall_64+0xc6/0x1e0
[  304.653285][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  304.653285][   T72] 
[  304.655010][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  304.655010][   T72]      neigh_parms_alloc+0x1e5/0x510
[  304.655010][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  304.655010][   T72]      ipv6_find_idev+0x102/0x170
[  304.655010][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  304.655010][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  304.655010][   T72]      netlink_rcv_skb+0x130/0x360
[  304.655010][   T72]      netlink_unicast+0x449/0x710
[  304.655010][   T72]      netlink_sendmsg+0x723/0xbe0
[  304.655010][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  304.655010][   T72]      ___sys_sendmsg+0xee/0x170
[  304.655010][   T72]      __sys_sendmsg+0xcd/0x170
[  304.655010][   T72]      do_syscall_64+0xc6/0x1e0
[  304.655010][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  304.655010][   T72] 
[  314.903915][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  314.904339][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  314.904339][   T72]      netdev_get_by_index+0x5e/0x80
[  314.904339][   T72]      fib6_nh_init+0x3d8/0x1580
[  314.904339][   T72]      ip6_route_info_create+0xf18/0x17d0
[  314.904339][   T72]      addrconf_f6i_alloc+0x315/0x560
[  314.904339][   T72]      ipv6_add_addr+0x411/0x2000
[  314.904339][   T72]      inet6_addr_add+0x30e/0xa40
[  314.904339][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  314.904339][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  314.904339][   T72]      netlink_rcv_skb+0x130/0x360
[  314.904339][   T72]      netlink_unicast+0x449/0x710
[  314.904339][   T72]      netlink_sendmsg+0x723/0xbe0
[  314.904339][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  314.904339][   T72]      ___sys_sendmsg+0xee/0x170
[  314.904339][   T72]      __sys_sendmsg+0xcd/0x170
[  314.904339][   T72]      do_syscall_64+0xc6/0x1e0
[  314.904339][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  314.904339][   T72] 
[  314.906439][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  314.906439][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  314.906439][   T72]      ipv6_find_idev+0x102/0x170
[  314.906439][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  314.906439][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  314.906439][   T72]      netlink_rcv_skb+0x130/0x360
[  314.906439][   T72]      netlink_unicast+0x449/0x710
[  314.906439][   T72]      netlink_sendmsg+0x723/0xbe0
[  314.906439][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  314.906439][   T72]      ___sys_sendmsg+0xee/0x170
[  314.906439][   T72]      __sys_sendmsg+0xcd/0x170
[  314.906439][   T72]      do_syscall_64+0xc6/0x1e0
[  314.906439][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  314.906439][   T72] 
[  314.908035][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  314.908035][   T72]      neigh_parms_alloc+0x1e5/0x510
[  314.908035][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  314.908035][   T72]      ipv6_find_idev+0x102/0x170
[  314.908035][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  314.908035][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  314.908035][   T72]      netlink_rcv_skb+0x130/0x360
[  314.908035][   T72]      netlink_unicast+0x449/0x710
[  314.908035][   T72]      netlink_sendmsg+0x723/0xbe0
[  314.908035][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  314.908035][   T72]      ___sys_sendmsg+0xee/0x170
[  314.908035][   T72]      __sys_sendmsg+0xcd/0x170
[  314.908035][   T72]      do_syscall_64+0xc6/0x1e0
[  314.908035][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  314.908035][   T72] 
[  314.909800][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  314.910064][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  314.910064][   T72]      netdev_get_by_index+0x5e/0x80
[  314.910064][   T72]      fib6_nh_init+0x3d8/0x1580
[  314.910064][   T72]      ip6_route_info_create+0xf18/0x17d0
[  314.910064][   T72]      ip6_route_add+0x1c/0x140
[  314.910064][   T72]      addrconf_prefix_route+0x2a6/0x430
[  314.910064][   T72]      inet6_addr_add+0x4f8/0xa40
[  314.910064][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  314.910064][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  314.910064][   T72]      netlink_rcv_skb+0x130/0x360
[  314.910064][   T72]      netlink_unicast+0x449/0x710
[  314.910064][   T72]      netlink_sendmsg+0x723/0xbe0
[  314.910064][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  314.910064][   T72]      ___sys_sendmsg+0xee/0x170
[  314.910064][   T72]      __sys_sendmsg+0xcd/0x170
[  314.910064][   T72]      do_syscall_64+0xc6/0x1e0
[  314.910064][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  314.910064][   T72] 
[  314.912146][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  314.912146][   T72]      netdev_get_by_index+0x5e/0x80
[  314.912146][   T72]      fib6_nh_init+0x3d8/0x1580
[  314.912146][   T72]      ip6_route_info_create+0xf18/0x17d0
[  314.912146][   T72]      addrconf_f6i_alloc+0x315/0x560
[  314.912146][   T72]      ipv6_add_addr+0x411/0x2000
[  314.912146][   T72]      inet6_addr_add+0x30e/0xa40
[  314.912146][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  314.912146][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  314.912146][   T72]      netlink_rcv_skb+0x130/0x360
[  314.912146][   T72]      netlink_unicast+0x449/0x710
[  314.912146][   T72]      netlink_sendmsg+0x723/0xbe0
[  314.912146][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  314.912146][   T72]      ___sys_sendmsg+0xee/0x170
[  314.912146][   T72]      __sys_sendmsg+0xcd/0x170
[  314.912146][   T72]      do_syscall_64+0xc6/0x1e0
[  314.912146][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  314.912146][   T72] 
[  314.914230][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  314.914230][   T72]      netdev_get_by_index+0x5e/0x80
[  314.914230][   T72]      fib6_nh_init+0x3d8/0x1580
[  314.914230][   T72]      ip6_route_info_create+0xf18/0x17d0
[  314.914230][   T72]      ip6_route_add+0x1c/0x140
[  314.914230][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  314.914230][   T72]      addrconf_add_dev+0xe2/0x170
[  314.914230][   T72]      inet6_addr_add+0x12f/0xa40
[  314.914230][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  314.914230][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  314.914230][   T72]      netlink_rcv_skb+0x130/0x360
[  314.914230][   T72]      netlink_unicast+0x449/0x710
[  314.914230][   T72]      netlink_sendmsg+0x723/0xbe0
[  314.914230][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  314.914230][   T72]      ___sys_sendmsg+0xee/0x170
[  314.914230][   T72]      __sys_sendmsg+0xcd/0x170
[  314.914230][   T72]      do_syscall_64+0xc6/0x1e0
[  314.914230][   T72] 
[  314.916253][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  314.916253][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  314.916253][   T72]      ipv6_find_idev+0x102/0x170
[  314.916253][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  314.916253][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  314.916253][   T72]      netlink_rcv_skb+0x130/0x360
[  314.916253][   T72]      netlink_unicast+0x449/0x710
[  314.916253][   T72]      netlink_sendmsg+0x723/0xbe0
[  314.916253][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  314.916253][   T72]      ___sys_sendmsg+0xee/0x170
[  314.916253][   T72]      __sys_sendmsg+0xcd/0x170
[  314.916253][   T72]      do_syscall_64+0xc6/0x1e0
[  314.916253][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  314.916253][   T72] 
[  314.917972][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  314.917972][   T72]      neigh_parms_alloc+0x1e5/0x510
[  314.917972][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  314.917972][   T72]      ipv6_find_idev+0x102/0x170
[  314.917972][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  314.917972][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  314.917972][   T72]      netlink_rcv_skb+0x130/0x360
[  314.917972][   T72]      netlink_unicast+0x449/0x710
[  314.917972][   T72]      netlink_sendmsg+0x723/0xbe0
[  314.917972][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  314.917972][   T72]      ___sys_sendmsg+0xee/0x170
[  314.917972][   T72]      __sys_sendmsg+0xcd/0x170
[  314.917972][   T72]      do_syscall_64+0xc6/0x1e0
[  314.917972][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  314.917972][   T72] 
[  325.175871][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  325.176309][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  325.176309][   T72]      netdev_get_by_index+0x5e/0x80
[  325.176309][   T72]      fib6_nh_init+0x3d8/0x1580
[  325.176309][   T72]      ip6_route_info_create+0xf18/0x17d0
[  325.176309][   T72]      addrconf_f6i_alloc+0x315/0x560
[  325.176309][   T72]      ipv6_add_addr+0x411/0x2000
[  325.176309][   T72]      inet6_addr_add+0x30e/0xa40
[  325.176309][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  325.176309][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  325.176309][   T72]      netlink_rcv_skb+0x130/0x360
[  325.176309][   T72]      netlink_unicast+0x449/0x710
[  325.176309][   T72]      netlink_sendmsg+0x723/0xbe0
[  325.176309][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  325.176309][   T72]      ___sys_sendmsg+0xee/0x170
[  325.176309][   T72]      __sys_sendmsg+0xcd/0x170
[  325.176309][   T72]      do_syscall_64+0xc6/0x1e0
[  325.176309][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  325.176309][   T72] 
[  325.178353][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  325.178353][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  325.178353][   T72]      ipv6_find_idev+0x102/0x170
[  325.178353][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  325.178353][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  325.178353][   T72]      netlink_rcv_skb+0x130/0x360
[  325.178353][   T72]      netlink_unicast+0x449/0x710
[  325.178353][   T72]      netlink_sendmsg+0x723/0xbe0
[  325.178353][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  325.178353][   T72]      ___sys_sendmsg+0xee/0x170
[  325.178353][   T72]      __sys_sendmsg+0xcd/0x170
[  325.178353][   T72]      do_syscall_64+0xc6/0x1e0
[  325.178353][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  325.178353][   T72] 
[  325.179965][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  325.179965][   T72]      neigh_parms_alloc+0x1e5/0x510
[  325.179965][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  325.179965][   T72]      ipv6_find_idev+0x102/0x170
[  325.179965][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  325.179965][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  325.179965][   T72]      netlink_rcv_skb+0x130/0x360
[  325.179965][   T72]      netlink_unicast+0x449/0x710
[  325.179965][   T72]      netlink_sendmsg+0x723/0xbe0
[  325.179965][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  325.179965][   T72]      ___sys_sendmsg+0xee/0x170
[  325.179965][   T72]      __sys_sendmsg+0xcd/0x170
[  325.179965][   T72]      do_syscall_64+0xc6/0x1e0
[  325.179965][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  325.179965][   T72] 
[  325.181703][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  325.181966][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  325.181966][   T72]      netdev_get_by_index+0x5e/0x80
[  325.181966][   T72]      fib6_nh_init+0x3d8/0x1580
[  325.181966][   T72]      ip6_route_info_create+0xf18/0x17d0
[  325.181966][   T72]      ip6_route_add+0x1c/0x140
[  325.181966][   T72]      addrconf_prefix_route+0x2a6/0x430
[  325.181966][   T72]      inet6_addr_add+0x4f8/0xa40
[  325.181966][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  325.181966][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  325.181966][   T72]      netlink_rcv_skb+0x130/0x360
[  325.181966][   T72]      netlink_unicast+0x449/0x710
[  325.181966][   T72]      netlink_sendmsg+0x723/0xbe0
[  325.181966][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  325.181966][   T72]      ___sys_sendmsg+0xee/0x170
[  325.181966][   T72]      __sys_sendmsg+0xcd/0x170
[  325.181966][   T72]      do_syscall_64+0xc6/0x1e0
[  325.181966][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  325.181966][   T72] 
[  325.184026][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  325.184026][   T72]      netdev_get_by_index+0x5e/0x80
[  325.184026][   T72]      fib6_nh_init+0x3d8/0x1580
[  325.184026][   T72]      ip6_route_info_create+0xf18/0x17d0
[  325.184026][   T72]      addrconf_f6i_alloc+0x315/0x560
[  325.184026][   T72]      ipv6_add_addr+0x411/0x2000
[  325.184026][   T72]      inet6_addr_add+0x30e/0xa40
[  325.184026][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  325.184026][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  325.184026][   T72]      netlink_rcv_skb+0x130/0x360
[  325.184026][   T72]      netlink_unicast+0x449/0x710
[  325.184026][   T72]      netlink_sendmsg+0x723/0xbe0
[  325.184026][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  325.184026][   T72]      ___sys_sendmsg+0xee/0x170
[  325.184026][   T72]      __sys_sendmsg+0xcd/0x170
[  325.184026][   T72]      do_syscall_64+0xc6/0x1e0
[  325.184026][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  325.184026][   T72] 
[  325.186037][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  325.186037][   T72]      netdev_get_by_index+0x5e/0x80
[  325.186037][   T72]      fib6_nh_init+0x3d8/0x1580
[  325.186037][   T72]      ip6_route_info_create+0xf18/0x17d0
[  325.186037][   T72]      ip6_route_add+0x1c/0x140
[  325.186037][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  325.186037][   T72]      addrconf_add_dev+0xe2/0x170
[  325.186037][   T72]      inet6_addr_add+0x12f/0xa40
[  325.186037][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  325.186037][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  325.186037][   T72]      netlink_rcv_skb+0x130/0x360
[  325.186037][   T72]      netlink_unicast+0x449/0x710
[  325.186037][   T72]      netlink_sendmsg+0x723/0xbe0
[  325.186037][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  325.186037][   T72]      ___sys_sendmsg+0xee/0x170
[  325.186037][   T72]      __sys_sendmsg+0xcd/0x170
[  325.186037][   T72]      do_syscall_64+0xc6/0x1e0
[  325.186037][   T72] 
[  325.188058][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  325.188058][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  325.188058][   T72]      ipv6_find_idev+0x102/0x170
[  325.188058][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  325.188058][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  325.188058][   T72]      netlink_rcv_skb+0x130/0x360
[  325.188058][   T72]      netlink_unicast+0x449/0x710
[  325.188058][   T72]      netlink_sendmsg+0x723/0xbe0
[  325.188058][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  325.188058][   T72]      ___sys_sendmsg+0xee/0x170
[  325.188058][   T72]      __sys_sendmsg+0xcd/0x170
[  325.188058][   T72]      do_syscall_64+0xc6/0x1e0
[  325.188058][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  325.188058][   T72] 
[  325.189657][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  325.189657][   T72]      neigh_parms_alloc+0x1e5/0x510
[  325.189657][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  325.189657][   T72]      ipv6_find_idev+0x102/0x170
[  325.189657][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  325.189657][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  325.189657][   T72]      netlink_rcv_skb+0x130/0x360
[  325.189657][   T72]      netlink_unicast+0x449/0x710
[  325.189657][   T72]      netlink_sendmsg+0x723/0xbe0
[  325.189657][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  325.189657][   T72]      ___sys_sendmsg+0xee/0x170
[  325.189657][   T72]      __sys_sendmsg+0xcd/0x170
[  325.189657][   T72]      do_syscall_64+0xc6/0x1e0
[  325.189657][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  325.189657][   T72] 
[  335.375814][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  335.376297][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  335.376297][   T72]      netdev_get_by_index+0x5e/0x80
[  335.376297][   T72]      fib6_nh_init+0x3d8/0x1580
[  335.376297][   T72]      ip6_route_info_create+0xf18/0x17d0
[  335.376297][   T72]      addrconf_f6i_alloc+0x315/0x560
[  335.376297][   T72]      ipv6_add_addr+0x411/0x2000
[  335.376297][   T72]      inet6_addr_add+0x30e/0xa40
[  335.376297][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  335.376297][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  335.376297][   T72]      netlink_rcv_skb+0x130/0x360
[  335.376297][   T72]      netlink_unicast+0x449/0x710
[  335.376297][   T72]      netlink_sendmsg+0x723/0xbe0
[  335.376297][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  335.376297][   T72]      ___sys_sendmsg+0xee/0x170
[  335.376297][   T72]      __sys_sendmsg+0xcd/0x170
[  335.376297][   T72]      do_syscall_64+0xc6/0x1e0
[  335.376297][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  335.376297][   T72] 
[  335.378648][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  335.378648][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  335.378648][   T72]      ipv6_find_idev+0x102/0x170
[  335.378648][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  335.378648][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  335.378648][   T72]      netlink_rcv_skb+0x130/0x360
[  335.378648][   T72]      netlink_unicast+0x449/0x710
[  335.378648][   T72]      netlink_sendmsg+0x723/0xbe0
[  335.378648][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  335.378648][   T72]      ___sys_sendmsg+0xee/0x170
[  335.378648][   T72]      __sys_sendmsg+0xcd/0x170
[  335.378648][   T72]      do_syscall_64+0xc6/0x1e0
[  335.378648][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  335.378648][   T72] 
[  335.380445][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  335.380445][   T72]      neigh_parms_alloc+0x1e5/0x510
[  335.380445][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  335.380445][   T72]      ipv6_find_idev+0x102/0x170
[  335.380445][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  335.380445][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  335.380445][   T72]      netlink_rcv_skb+0x130/0x360
[  335.380445][   T72]      netlink_unicast+0x449/0x710
[  335.380445][   T72]      netlink_sendmsg+0x723/0xbe0
[  335.380445][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  335.380445][   T72]      ___sys_sendmsg+0xee/0x170
[  335.380445][   T72]      __sys_sendmsg+0xcd/0x170
[  335.380445][   T72]      do_syscall_64+0xc6/0x1e0
[  335.380445][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  335.380445][   T72] 
[  335.382560][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  335.382852][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  335.382852][   T72]      netdev_get_by_index+0x5e/0x80
[  335.382852][   T72]      fib6_nh_init+0x3d8/0x1580
[  335.382852][   T72]      ip6_route_info_create+0xf18/0x17d0
[  335.382852][   T72]      ip6_route_add+0x1c/0x140
[  335.382852][   T72]      addrconf_prefix_route+0x2a6/0x430
[  335.382852][   T72]      inet6_addr_add+0x4f8/0xa40
[  335.382852][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  335.382852][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  335.382852][   T72]      netlink_rcv_skb+0x130/0x360
[  335.382852][   T72]      netlink_unicast+0x449/0x710
[  335.382852][   T72]      netlink_sendmsg+0x723/0xbe0
[  335.382852][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  335.382852][   T72]      ___sys_sendmsg+0xee/0x170
[  335.382852][   T72]      __sys_sendmsg+0xcd/0x170
[  335.382852][   T72]      do_syscall_64+0xc6/0x1e0
[  335.382852][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  335.382852][   T72] 
[  335.385174][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  335.385174][   T72]      netdev_get_by_index+0x5e/0x80
[  335.385174][   T72]      fib6_nh_init+0x3d8/0x1580
[  335.385174][   T72]      ip6_route_info_create+0xf18/0x17d0
[  335.385174][   T72]      addrconf_f6i_alloc+0x315/0x560
[  335.385174][   T72]      ipv6_add_addr+0x411/0x2000
[  335.385174][   T72]      inet6_addr_add+0x30e/0xa40
[  335.385174][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  335.385174][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  335.385174][   T72]      netlink_rcv_skb+0x130/0x360
[  335.385174][   T72]      netlink_unicast+0x449/0x710
[  335.385174][   T72]      netlink_sendmsg+0x723/0xbe0
[  335.385174][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  335.385174][   T72]      ___sys_sendmsg+0xee/0x170
[  335.385174][   T72]      __sys_sendmsg+0xcd/0x170
[  335.385174][   T72]      do_syscall_64+0xc6/0x1e0
[  335.385174][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  335.385174][   T72] 
[  335.387512][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  335.387512][   T72]      netdev_get_by_index+0x5e/0x80
[  335.387512][   T72]      fib6_nh_init+0x3d8/0x1580
[  335.387512][   T72]      ip6_route_info_create+0xf18/0x17d0
[  335.387512][   T72]      ip6_route_add+0x1c/0x140
[  335.387512][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  335.387512][   T72]      addrconf_add_dev+0xe2/0x170
[  335.387512][   T72]      inet6_addr_add+0x12f/0xa40
[  335.387512][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  335.387512][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  335.387512][   T72]      netlink_rcv_skb+0x130/0x360
[  335.387512][   T72]      netlink_unicast+0x449/0x710
[  335.387512][   T72]      netlink_sendmsg+0x723/0xbe0
[  335.387512][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  335.387512][   T72]      ___sys_sendmsg+0xee/0x170
[  335.387512][   T72]      __sys_sendmsg+0xcd/0x170
[  335.387512][   T72]      do_syscall_64+0xc6/0x1e0
[  335.387512][   T72] 
[  335.389833][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  335.389833][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  335.389833][   T72]      ipv6_find_idev+0x102/0x170
[  335.389833][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  335.389833][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  335.389833][   T72]      netlink_rcv_skb+0x130/0x360
[  335.389833][   T72]      netlink_unicast+0x449/0x710
[  335.389833][   T72]      netlink_sendmsg+0x723/0xbe0
[  335.389833][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  335.389833][   T72]      ___sys_sendmsg+0xee/0x170
[  335.389833][   T72]      __sys_sendmsg+0xcd/0x170
[  335.389833][   T72]      do_syscall_64+0xc6/0x1e0
[  335.389833][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  335.389833][   T72] 
[  335.391621][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  335.391621][   T72]      neigh_parms_alloc+0x1e5/0x510
[  335.391621][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  335.391621][   T72]      ipv6_find_idev+0x102/0x170
[  335.391621][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  335.391621][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  335.391621][   T72]      netlink_rcv_skb+0x130/0x360
[  335.391621][   T72]      netlink_unicast+0x449/0x710
[  335.391621][   T72]      netlink_sendmsg+0x723/0xbe0
[  335.391621][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  335.391621][   T72]      ___sys_sendmsg+0xee/0x170
[  335.391621][   T72]      __sys_sendmsg+0xcd/0x170
[  335.391621][   T72]      do_syscall_64+0xc6/0x1e0
[  335.391621][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  335.391621][   T72] 
[  345.839917][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  345.840366][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  345.840366][   T72]      netdev_get_by_index+0x5e/0x80
[  345.840366][   T72]      fib6_nh_init+0x3d8/0x1580
[  345.840366][   T72]      ip6_route_info_create+0xf18/0x17d0
[  345.840366][   T72]      addrconf_f6i_alloc+0x315/0x560
[  345.840366][   T72]      ipv6_add_addr+0x411/0x2000
[  345.840366][   T72]      inet6_addr_add+0x30e/0xa40
[  345.840366][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  345.840366][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  345.840366][   T72]      netlink_rcv_skb+0x130/0x360
[  345.840366][   T72]      netlink_unicast+0x449/0x710
[  345.840366][   T72]      netlink_sendmsg+0x723/0xbe0
[  345.840366][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  345.840366][   T72]      ___sys_sendmsg+0xee/0x170
[  345.840366][   T72]      __sys_sendmsg+0xcd/0x170
[  345.840366][   T72]      do_syscall_64+0xc6/0x1e0
[  345.840366][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  345.840366][   T72] 
[  345.842433][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  345.842433][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  345.842433][   T72]      ipv6_find_idev+0x102/0x170
[  345.842433][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  345.842433][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  345.842433][   T72]      netlink_rcv_skb+0x130/0x360
[  345.842433][   T72]      netlink_unicast+0x449/0x710
[  345.842433][   T72]      netlink_sendmsg+0x723/0xbe0
[  345.842433][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  345.842433][   T72]      ___sys_sendmsg+0xee/0x170
[  345.842433][   T72]      __sys_sendmsg+0xcd/0x170
[  345.842433][   T72]      do_syscall_64+0xc6/0x1e0
[  345.842433][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  345.842433][   T72] 
[  345.844019][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  345.844019][   T72]      neigh_parms_alloc+0x1e5/0x510
[  345.844019][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  345.844019][   T72]      ipv6_find_idev+0x102/0x170
[  345.844019][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  345.844019][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  345.844019][   T72]      netlink_rcv_skb+0x130/0x360
[  345.844019][   T72]      netlink_unicast+0x449/0x710
[  345.844019][   T72]      netlink_sendmsg+0x723/0xbe0
[  345.844019][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  345.844019][   T72]      ___sys_sendmsg+0xee/0x170
[  345.844019][   T72]      __sys_sendmsg+0xcd/0x170
[  345.844019][   T72]      do_syscall_64+0xc6/0x1e0
[  345.844019][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  345.844019][   T72] 
[  345.845780][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  345.846043][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  345.846043][   T72]      netdev_get_by_index+0x5e/0x80
[  345.846043][   T72]      fib6_nh_init+0x3d8/0x1580
[  345.846043][   T72]      ip6_route_info_create+0xf18/0x17d0
[  345.846043][   T72]      ip6_route_add+0x1c/0x140
[  345.846043][   T72]      addrconf_prefix_route+0x2a6/0x430
[  345.846043][   T72]      inet6_addr_add+0x4f8/0xa40
[  345.846043][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  345.846043][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  345.846043][   T72]      netlink_rcv_skb+0x130/0x360
[  345.846043][   T72]      netlink_unicast+0x449/0x710
[  345.846043][   T72]      netlink_sendmsg+0x723/0xbe0
[  345.846043][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  345.846043][   T72]      ___sys_sendmsg+0xee/0x170
[  345.846043][   T72]      __sys_sendmsg+0xcd/0x170
[  345.846043][   T72]      do_syscall_64+0xc6/0x1e0
[  345.846043][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  345.846043][   T72] 
[  345.848099][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  345.848099][   T72]      netdev_get_by_index+0x5e/0x80
[  345.848099][   T72]      fib6_nh_init+0x3d8/0x1580
[  345.848099][   T72]      ip6_route_info_create+0xf18/0x17d0
[  345.848099][   T72]      addrconf_f6i_alloc+0x315/0x560
[  345.848099][   T72]      ipv6_add_addr+0x411/0x2000
[  345.848099][   T72]      inet6_addr_add+0x30e/0xa40
[  345.848099][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  345.848099][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  345.848099][   T72]      netlink_rcv_skb+0x130/0x360
[  345.848099][   T72]      netlink_unicast+0x449/0x710
[  345.848099][   T72]      netlink_sendmsg+0x723/0xbe0
[  345.848099][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  345.848099][   T72]      ___sys_sendmsg+0xee/0x170
[  345.848099][   T72]      __sys_sendmsg+0xcd/0x170
[  345.848099][   T72]      do_syscall_64+0xc6/0x1e0
[  345.848099][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  345.848099][   T72] 
[  345.850166][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  345.850166][   T72]      netdev_get_by_index+0x5e/0x80
[  345.850166][   T72]      fib6_nh_init+0x3d8/0x1580
[  345.850166][   T72]      ip6_route_info_create+0xf18/0x17d0
[  345.850166][   T72]      ip6_route_add+0x1c/0x140
[  345.850166][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  345.850166][   T72]      addrconf_add_dev+0xe2/0x170
[  345.850166][   T72]      inet6_addr_add+0x12f/0xa40
[  345.850166][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  345.850166][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  345.850166][   T72]      netlink_rcv_skb+0x130/0x360
[  345.850166][   T72]      netlink_unicast+0x449/0x710
[  345.850166][   T72]      netlink_sendmsg+0x723/0xbe0
[  345.850166][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  345.850166][   T72]      ___sys_sendmsg+0xee/0x170
[  345.850166][   T72]      __sys_sendmsg+0xcd/0x170
[  345.850166][   T72]      do_syscall_64+0xc6/0x1e0
[  345.850166][   T72] 
[  345.852198][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  345.852198][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  345.852198][   T72]      ipv6_find_idev+0x102/0x170
[  345.852198][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  345.852198][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  345.852198][   T72]      netlink_rcv_skb+0x130/0x360
[  345.852198][   T72]      netlink_unicast+0x449/0x710
[  345.852198][   T72]      netlink_sendmsg+0x723/0xbe0
[  345.852198][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  345.852198][   T72]      ___sys_sendmsg+0xee/0x170
[  345.852198][   T72]      __sys_sendmsg+0xcd/0x170
[  345.852198][   T72]      do_syscall_64+0xc6/0x1e0
[  345.852198][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  345.852198][   T72] 
[  345.853727][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  345.853727][   T72]      neigh_parms_alloc+0x1e5/0x510
[  345.853727][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  345.853727][   T72]      ipv6_find_idev+0x102/0x170
[  345.853727][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  345.853727][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  345.853727][   T72]      netlink_rcv_skb+0x130/0x360
[  345.853727][   T72]      netlink_unicast+0x449/0x710
[  345.853727][   T72]      netlink_sendmsg+0x723/0xbe0
[  345.853727][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  345.853727][   T72]      ___sys_sendmsg+0xee/0x170
[  345.853727][   T72]      __sys_sendmsg+0xcd/0x170
[  345.853727][   T72]      do_syscall_64+0xc6/0x1e0
[  345.853727][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  345.853727][   T72] 
[  356.095897][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  356.096325][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  356.096325][   T72]      netdev_get_by_index+0x5e/0x80
[  356.096325][   T72]      fib6_nh_init+0x3d8/0x1580
[  356.096325][   T72]      ip6_route_info_create+0xf18/0x17d0
[  356.096325][   T72]      addrconf_f6i_alloc+0x315/0x560
[  356.096325][   T72]      ipv6_add_addr+0x411/0x2000
[  356.096325][   T72]      inet6_addr_add+0x30e/0xa40
[  356.096325][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  356.096325][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.096325][   T72]      netlink_rcv_skb+0x130/0x360
[  356.096325][   T72]      netlink_unicast+0x449/0x710
[  356.096325][   T72]      netlink_sendmsg+0x723/0xbe0
[  356.096325][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  356.096325][   T72]      ___sys_sendmsg+0xee/0x170
[  356.096325][   T72]      __sys_sendmsg+0xcd/0x170
[  356.096325][   T72]      do_syscall_64+0xc6/0x1e0
[  356.096325][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.096325][   T72] 
[  356.098338][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  356.098338][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  356.098338][   T72]      ipv6_find_idev+0x102/0x170
[  356.098338][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  356.098338][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.098338][   T72]      netlink_rcv_skb+0x130/0x360
[  356.098338][   T72]      netlink_unicast+0x449/0x710
[  356.098338][   T72]      netlink_sendmsg+0x723/0xbe0
[  356.098338][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  356.098338][   T72]      ___sys_sendmsg+0xee/0x170
[  356.098338][   T72]      __sys_sendmsg+0xcd/0x170
[  356.098338][   T72]      do_syscall_64+0xc6/0x1e0
[  356.098338][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.098338][   T72] 
[  356.099908][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  356.099908][   T72]      neigh_parms_alloc+0x1e5/0x510
[  356.099908][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  356.099908][   T72]      ipv6_find_idev+0x102/0x170
[  356.099908][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  356.099908][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.099908][   T72]      netlink_rcv_skb+0x130/0x360
[  356.099908][   T72]      netlink_unicast+0x449/0x710
[  356.099908][   T72]      netlink_sendmsg+0x723/0xbe0
[  356.099908][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  356.099908][   T72]      ___sys_sendmsg+0xee/0x170
[  356.099908][   T72]      __sys_sendmsg+0xcd/0x170
[  356.099908][   T72]      do_syscall_64+0xc6/0x1e0
[  356.099908][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.099908][   T72] 
[  356.101644][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  356.101903][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  356.101903][   T72]      netdev_get_by_index+0x5e/0x80
[  356.101903][   T72]      fib6_nh_init+0x3d8/0x1580
[  356.101903][   T72]      ip6_route_info_create+0xf18/0x17d0
[  356.101903][   T72]      ip6_route_add+0x1c/0x140
[  356.101903][   T72]      addrconf_prefix_route+0x2a6/0x430
[  356.101903][   T72]      inet6_addr_add+0x4f8/0xa40
[  356.101903][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  356.101903][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.101903][   T72]      netlink_rcv_skb+0x130/0x360
[  356.101903][   T72]      netlink_unicast+0x449/0x710
[  356.101903][   T72]      netlink_sendmsg+0x723/0xbe0
[  356.101903][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  356.101903][   T72]      ___sys_sendmsg+0xee/0x170
[  356.101903][   T72]      __sys_sendmsg+0xcd/0x170
[  356.101903][   T72]      do_syscall_64+0xc6/0x1e0
[  356.101903][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.101903][   T72] 
[  356.103940][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  356.103940][   T72]      netdev_get_by_index+0x5e/0x80
[  356.103940][   T72]      fib6_nh_init+0x3d8/0x1580
[  356.103940][   T72]      ip6_route_info_create+0xf18/0x17d0
[  356.103940][   T72]      addrconf_f6i_alloc+0x315/0x560
[  356.103940][   T72]      ipv6_add_addr+0x411/0x2000
[  356.103940][   T72]      inet6_addr_add+0x30e/0xa40
[  356.103940][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  356.103940][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.103940][   T72]      netlink_rcv_skb+0x130/0x360
[  356.103940][   T72]      netlink_unicast+0x449/0x710
[  356.103940][   T72]      netlink_sendmsg+0x723/0xbe0
[  356.103940][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  356.103940][   T72]      ___sys_sendmsg+0xee/0x170
[  356.103940][   T72]      __sys_sendmsg+0xcd/0x170
[  356.103940][   T72]      do_syscall_64+0xc6/0x1e0
[  356.103940][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.103940][   T72] 
[  356.106007][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  356.106007][   T72]      netdev_get_by_index+0x5e/0x80
[  356.106007][   T72]      fib6_nh_init+0x3d8/0x1580
[  356.106007][   T72]      ip6_route_info_create+0xf18/0x17d0
[  356.106007][   T72]      ip6_route_add+0x1c/0x140
[  356.106007][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  356.106007][   T72]      addrconf_add_dev+0xe2/0x170
[  356.106007][   T72]      inet6_addr_add+0x12f/0xa40
[  356.106007][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  356.106007][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.106007][   T72]      netlink_rcv_skb+0x130/0x360
[  356.106007][   T72]      netlink_unicast+0x449/0x710
[  356.106007][   T72]      netlink_sendmsg+0x723/0xbe0
[  356.106007][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  356.106007][   T72]      ___sys_sendmsg+0xee/0x170
[  356.106007][   T72]      __sys_sendmsg+0xcd/0x170
[  356.106007][   T72]      do_syscall_64+0xc6/0x1e0
[  356.106007][   T72] 
[  356.108020][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  356.108020][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  356.108020][   T72]      ipv6_find_idev+0x102/0x170
[  356.108020][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  356.108020][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.108020][   T72]      netlink_rcv_skb+0x130/0x360
[  356.108020][   T72]      netlink_unicast+0x449/0x710
[  356.108020][   T72]      netlink_sendmsg+0x723/0xbe0
[  356.108020][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  356.108020][   T72]      ___sys_sendmsg+0xee/0x170
[  356.108020][   T72]      __sys_sendmsg+0xcd/0x170
[  356.108020][   T72]      do_syscall_64+0xc6/0x1e0
[  356.108020][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.108020][   T72] 
[  356.109655][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  356.109655][   T72]      neigh_parms_alloc+0x1e5/0x510
[  356.109655][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  356.109655][   T72]      ipv6_find_idev+0x102/0x170
[  356.109655][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  356.109655][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.109655][   T72]      netlink_rcv_skb+0x130/0x360
[  356.109655][   T72]      netlink_unicast+0x449/0x710
[  356.109655][   T72]      netlink_sendmsg+0x723/0xbe0
[  356.109655][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  356.109655][   T72]      ___sys_sendmsg+0xee/0x170
[  356.109655][   T72]      __sys_sendmsg+0xcd/0x170
[  356.109655][   T72]      do_syscall_64+0xc6/0x1e0
[  356.109655][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.109655][   T72] 
[  366.335910][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  366.336291][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  366.336291][   T72]      netdev_get_by_index+0x5e/0x80
[  366.336291][   T72]      fib6_nh_init+0x3d8/0x1580
[  366.336291][   T72]      ip6_route_info_create+0xf18/0x17d0
[  366.336291][   T72]      addrconf_f6i_alloc+0x315/0x560
[  366.336291][   T72]      ipv6_add_addr+0x411/0x2000
[  366.336291][   T72]      inet6_addr_add+0x30e/0xa40
[  366.336291][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  366.336291][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.336291][   T72]      netlink_rcv_skb+0x130/0x360
[  366.336291][   T72]      netlink_unicast+0x449/0x710
[  366.336291][   T72]      netlink_sendmsg+0x723/0xbe0
[  366.336291][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  366.336291][   T72]      ___sys_sendmsg+0xee/0x170
[  366.336291][   T72]      __sys_sendmsg+0xcd/0x170
[  366.336291][   T72]      do_syscall_64+0xc6/0x1e0
[  366.336291][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.336291][   T72] 
[  366.338371][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  366.338371][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  366.338371][   T72]      ipv6_find_idev+0x102/0x170
[  366.338371][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  366.338371][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.338371][   T72]      netlink_rcv_skb+0x130/0x360
[  366.338371][   T72]      netlink_unicast+0x449/0x710
[  366.338371][   T72]      netlink_sendmsg+0x723/0xbe0
[  366.338371][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  366.338371][   T72]      ___sys_sendmsg+0xee/0x170
[  366.338371][   T72]      __sys_sendmsg+0xcd/0x170
[  366.338371][   T72]      do_syscall_64+0xc6/0x1e0
[  366.338371][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.338371][   T72] 
[  366.339969][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  366.339969][   T72]      neigh_parms_alloc+0x1e5/0x510
[  366.339969][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  366.339969][   T72]      ipv6_find_idev+0x102/0x170
[  366.339969][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  366.339969][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.339969][   T72]      netlink_rcv_skb+0x130/0x360
[  366.339969][   T72]      netlink_unicast+0x449/0x710
[  366.339969][   T72]      netlink_sendmsg+0x723/0xbe0
[  366.339969][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  366.339969][   T72]      ___sys_sendmsg+0xee/0x170
[  366.339969][   T72]      __sys_sendmsg+0xcd/0x170
[  366.339969][   T72]      do_syscall_64+0xc6/0x1e0
[  366.339969][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.339969][   T72] 
[  366.341721][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  366.341998][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  366.341998][   T72]      netdev_get_by_index+0x5e/0x80
[  366.341998][   T72]      fib6_nh_init+0x3d8/0x1580
[  366.341998][   T72]      ip6_route_info_create+0xf18/0x17d0
[  366.341998][   T72]      ip6_route_add+0x1c/0x140
[  366.341998][   T72]      addrconf_prefix_route+0x2a6/0x430
[  366.341998][   T72]      inet6_addr_add+0x4f8/0xa40
[  366.341998][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  366.341998][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.341998][   T72]      netlink_rcv_skb+0x130/0x360
[  366.341998][   T72]      netlink_unicast+0x449/0x710
[  366.341998][   T72]      netlink_sendmsg+0x723/0xbe0
[  366.341998][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  366.341998][   T72]      ___sys_sendmsg+0xee/0x170
[  366.341998][   T72]      __sys_sendmsg+0xcd/0x170
[  366.341998][   T72]      do_syscall_64+0xc6/0x1e0
[  366.341998][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.341998][   T72] 
[  366.344076][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  366.344076][   T72]      netdev_get_by_index+0x5e/0x80
[  366.344076][   T72]      fib6_nh_init+0x3d8/0x1580
[  366.344076][   T72]      ip6_route_info_create+0xf18/0x17d0
[  366.344076][   T72]      addrconf_f6i_alloc+0x315/0x560
[  366.344076][   T72]      ipv6_add_addr+0x411/0x2000
[  366.344076][   T72]      inet6_addr_add+0x30e/0xa40
[  366.344076][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  366.344076][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.344076][   T72]      netlink_rcv_skb+0x130/0x360
[  366.344076][   T72]      netlink_unicast+0x449/0x710
[  366.344076][   T72]      netlink_sendmsg+0x723/0xbe0
[  366.344076][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  366.344076][   T72]      ___sys_sendmsg+0xee/0x170
[  366.344076][   T72]      __sys_sendmsg+0xcd/0x170
[  366.344076][   T72]      do_syscall_64+0xc6/0x1e0
[  366.344076][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.344076][   T72] 
[  366.346129][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  366.346129][   T72]      netdev_get_by_index+0x5e/0x80
[  366.346129][   T72]      fib6_nh_init+0x3d8/0x1580
[  366.346129][   T72]      ip6_route_info_create+0xf18/0x17d0
[  366.346129][   T72]      ip6_route_add+0x1c/0x140
[  366.346129][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  366.346129][   T72]      addrconf_add_dev+0xe2/0x170
[  366.346129][   T72]      inet6_addr_add+0x12f/0xa40
[  366.346129][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  366.346129][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.346129][   T72]      netlink_rcv_skb+0x130/0x360
[  366.346129][   T72]      netlink_unicast+0x449/0x710
[  366.346129][   T72]      netlink_sendmsg+0x723/0xbe0
[  366.346129][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  366.346129][   T72]      ___sys_sendmsg+0xee/0x170
[  366.346129][   T72]      __sys_sendmsg+0xcd/0x170
[  366.346129][   T72]      do_syscall_64+0xc6/0x1e0
[  366.346129][   T72] 
[  366.348176][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  366.348176][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  366.348176][   T72]      ipv6_find_idev+0x102/0x170
[  366.348176][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  366.348176][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.348176][   T72]      netlink_rcv_skb+0x130/0x360
[  366.348176][   T72]      netlink_unicast+0x449/0x710
[  366.348176][   T72]      netlink_sendmsg+0x723/0xbe0
[  366.348176][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  366.348176][   T72]      ___sys_sendmsg+0xee/0x170
[  366.348176][   T72]      __sys_sendmsg+0xcd/0x170
[  366.348176][   T72]      do_syscall_64+0xc6/0x1e0
[  366.348176][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.348176][   T72] 
[  366.349762][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  366.349762][   T72]      neigh_parms_alloc+0x1e5/0x510
[  366.349762][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  366.349762][   T72]      ipv6_find_idev+0x102/0x170
[  366.349762][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  366.349762][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.349762][   T72]      netlink_rcv_skb+0x130/0x360
[  366.349762][   T72]      netlink_unicast+0x449/0x710
[  366.349762][   T72]      netlink_sendmsg+0x723/0xbe0
[  366.349762][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  366.349762][   T72]      ___sys_sendmsg+0xee/0x170
[  366.349762][   T72]      __sys_sendmsg+0xcd/0x170
[  366.349762][   T72]      do_syscall_64+0xc6/0x1e0
[  366.349762][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.349762][   T72] 
[  369.959829][   T42] INFO: task modprobe:456 blocked for more than 245 seconds.
[  369.960211][   T42]       Not tainted 6.8.0-virtme #1
[  369.960349][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  369.960594][   T42] task:modprobe        state:D stack:25648 pid:456   tgid:456   ppid:39     flags:0x00004002
[  369.960908][   T42] Call Trace:
[  369.961029][   T42]  <TASK>
[  369.961117][   T42]  __schedule+0x705/0x1ac0
[  369.961272][   T42]  ? __pfx___schedule+0x10/0x10
[  369.961413][   T42]  ? schedule+0x1a5/0x210
[  369.961525][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  369.961670][   T42]  ? mark_lock+0x38/0x3e0
[  369.961786][   T42]  ? do_raw_spin_lock+0x131/0x270
[  369.961929][   T42]  ? schedule+0x1a5/0x210
[  369.962080][   T42]  schedule+0xdf/0x210
[  369.962197][   T42]  schedule_preempt_disabled+0x15/0x30
[  369.962338][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[  369.962486][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[  369.962661][   T42]  ? kasan_save_stack+0x34/0x50
[  369.962818][   T42]  ? kasan_save_stack+0x24/0x50
[  369.962958][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  369.963102][   T42]  ? lock_acquire+0x1c1/0x220
[  369.963241][   T42]  ? register_pernet_subsys+0x1a/0x50
[  369.963396][   T42]  down_write+0x1c9/0x200
[  369.963507][   T42]  ? __pfx_down_write+0x10/0x10
[  369.963645][   T42]  ? __pfx___lock_release+0x10/0x10
[  369.963802][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[  369.964018][   T42]  register_pernet_subsys+0x1a/0x50
[  369.964157][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[  369.964361][   T42]  do_one_initcall+0xc8/0x3f0
[  369.964502][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[  369.964650][   T42]  ? __create_object+0x5e/0xb0
[  369.964805][   T42]  ? kasan_unpoison+0x27/0x60
[  369.964966][   T42]  do_init_module+0x233/0x740
[  369.965115][   T42]  load_module+0x16b5/0x2350
[  369.965269][   T42]  ? __pfx_load_module+0x10/0x10
[  369.965410][   T42]  ? kernel_read_file+0x3d2/0x520
[  369.965555][   T42]  ? kernel_read_file+0x300/0x520
[  369.965698][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[  369.965875][   T42]  ? init_module_from_file+0xd2/0x130
[  369.966019][   T42]  init_module_from_file+0xd2/0x130
[  369.966158][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[  369.966333][   T42]  ? __lock_release+0x103/0x460
[  369.966474][   T42]  ? idempotent_init_module+0x32a/0x620
[  369.966622][   T42]  ? idempotent_init_module+0x32a/0x620
[  369.966773][   T42]  ? do_raw_spin_unlock+0x58/0x220
[  369.966914][   T42]  idempotent_init_module+0x342/0x620
[  369.967059][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[  369.967258][   T42]  __x64_sys_finit_module+0xbe/0x130
[  369.967400][   T42]  do_syscall_64+0xc6/0x1e0
[  369.967543][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  369.967724][   T42] RIP: 0033:0x7f93cc153e5d
[  369.967878][   T42] RSP: 002b:00007fff97ff1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  369.968089][   T42] RAX: ffffffffffffffda RBX: 0000557c14f43e90 RCX: 00007f93cc153e5d
[  369.968296][   T42] RDX: 0000000000000000 RSI: 0000557bf5357a2a RDI: 0000000000000001
[  369.968501][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557c14f444f0
[  369.968703][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bf5357a2a
[  369.968920][   T42] R13: 0000557c14f43e40 R14: 0000557c14f44570 R15: 0000000000000000
[  369.969140][   T42]  </TASK>
[  369.969258][   T42] 
[  369.969258][   T42] Showing all locks held in the system:
[  369.969463][   T42] 2 locks held by kworker/u20:0/39:
[  369.969601][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  369.969902][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  369.970221][   T42] 1 lock held by khungtaskd/42:
[  369.970358][   T42]  #0: ffffffffa85591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[  369.970615][   T42] 3 locks held by kworker/u16:1/72:
[  369.970753][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  369.971041][   T42]  #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  369.971283][   T42]  #2: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[  369.971532][   T42] 1 lock held by modprobe/456:
[  369.971683][   T42]  #0: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[  369.971973][   T42] 
[  369.972043][   T42] =============================================
[  369.972043][   T42] 
[  376.415905][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  376.416352][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  376.416352][   T72]      netdev_get_by_index+0x5e/0x80
[  376.416352][   T72]      fib6_nh_init+0x3d8/0x1580
[  376.416352][   T72]      ip6_route_info_create+0xf18/0x17d0
[  376.416352][   T72]      addrconf_f6i_alloc+0x315/0x560
[  376.416352][   T72]      ipv6_add_addr+0x411/0x2000
[  376.416352][   T72]      inet6_addr_add+0x30e/0xa40
[  376.416352][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  376.416352][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.416352][   T72]      netlink_rcv_skb+0x130/0x360
[  376.416352][   T72]      netlink_unicast+0x449/0x710
[  376.416352][   T72]      netlink_sendmsg+0x723/0xbe0
[  376.416352][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  376.416352][   T72]      ___sys_sendmsg+0xee/0x170
[  376.416352][   T72]      __sys_sendmsg+0xcd/0x170
[  376.416352][   T72]      do_syscall_64+0xc6/0x1e0
[  376.416352][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.416352][   T72] 
[  376.418386][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  376.418386][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  376.418386][   T72]      ipv6_find_idev+0x102/0x170
[  376.418386][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  376.418386][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.418386][   T72]      netlink_rcv_skb+0x130/0x360
[  376.418386][   T72]      netlink_unicast+0x449/0x710
[  376.418386][   T72]      netlink_sendmsg+0x723/0xbe0
[  376.418386][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  376.418386][   T72]      ___sys_sendmsg+0xee/0x170
[  376.418386][   T72]      __sys_sendmsg+0xcd/0x170
[  376.418386][   T72]      do_syscall_64+0xc6/0x1e0
[  376.418386][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.418386][   T72] 
[  376.419947][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  376.419947][   T72]      neigh_parms_alloc+0x1e5/0x510
[  376.419947][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  376.419947][   T72]      ipv6_find_idev+0x102/0x170
[  376.419947][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  376.419947][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.419947][   T72]      netlink_rcv_skb+0x130/0x360
[  376.419947][   T72]      netlink_unicast+0x449/0x710
[  376.419947][   T72]      netlink_sendmsg+0x723/0xbe0
[  376.419947][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  376.419947][   T72]      ___sys_sendmsg+0xee/0x170
[  376.419947][   T72]      __sys_sendmsg+0xcd/0x170
[  376.419947][   T72]      do_syscall_64+0xc6/0x1e0
[  376.419947][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.419947][   T72] 
[  376.421659][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  376.421934][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  376.421934][   T72]      netdev_get_by_index+0x5e/0x80
[  376.421934][   T72]      fib6_nh_init+0x3d8/0x1580
[  376.421934][   T72]      ip6_route_info_create+0xf18/0x17d0
[  376.421934][   T72]      ip6_route_add+0x1c/0x140
[  376.421934][   T72]      addrconf_prefix_route+0x2a6/0x430
[  376.421934][   T72]      inet6_addr_add+0x4f8/0xa40
[  376.421934][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  376.421934][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.421934][   T72]      netlink_rcv_skb+0x130/0x360
[  376.421934][   T72]      netlink_unicast+0x449/0x710
[  376.421934][   T72]      netlink_sendmsg+0x723/0xbe0
[  376.421934][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  376.421934][   T72]      ___sys_sendmsg+0xee/0x170
[  376.421934][   T72]      __sys_sendmsg+0xcd/0x170
[  376.421934][   T72]      do_syscall_64+0xc6/0x1e0
[  376.421934][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.421934][   T72] 
[  376.423961][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  376.423961][   T72]      netdev_get_by_index+0x5e/0x80
[  376.423961][   T72]      fib6_nh_init+0x3d8/0x1580
[  376.423961][   T72]      ip6_route_info_create+0xf18/0x17d0
[  376.423961][   T72]      addrconf_f6i_alloc+0x315/0x560
[  376.423961][   T72]      ipv6_add_addr+0x411/0x2000
[  376.423961][   T72]      inet6_addr_add+0x30e/0xa40
[  376.423961][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  376.423961][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.423961][   T72]      netlink_rcv_skb+0x130/0x360
[  376.423961][   T72]      netlink_unicast+0x449/0x710
[  376.423961][   T72]      netlink_sendmsg+0x723/0xbe0
[  376.423961][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  376.423961][   T72]      ___sys_sendmsg+0xee/0x170
[  376.423961][   T72]      __sys_sendmsg+0xcd/0x170
[  376.423961][   T72]      do_syscall_64+0xc6/0x1e0
[  376.423961][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.423961][   T72] 
[  376.425981][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  376.425981][   T72]      netdev_get_by_index+0x5e/0x80
[  376.425981][   T72]      fib6_nh_init+0x3d8/0x1580
[  376.425981][   T72]      ip6_route_info_create+0xf18/0x17d0
[  376.425981][   T72]      ip6_route_add+0x1c/0x140
[  376.425981][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  376.425981][   T72]      addrconf_add_dev+0xe2/0x170
[  376.425981][   T72]      inet6_addr_add+0x12f/0xa40
[  376.425981][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  376.425981][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.425981][   T72]      netlink_rcv_skb+0x130/0x360
[  376.425981][   T72]      netlink_unicast+0x449/0x710
[  376.425981][   T72]      netlink_sendmsg+0x723/0xbe0
[  376.425981][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  376.425981][   T72]      ___sys_sendmsg+0xee/0x170
[  376.425981][   T72]      __sys_sendmsg+0xcd/0x170
[  376.425981][   T72]      do_syscall_64+0xc6/0x1e0
[  376.425981][   T72] 
[  376.427958][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  376.427958][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  376.427958][   T72]      ipv6_find_idev+0x102/0x170
[  376.427958][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  376.427958][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.427958][   T72]      netlink_rcv_skb+0x130/0x360
[  376.427958][   T72]      netlink_unicast+0x449/0x710
[  376.427958][   T72]      netlink_sendmsg+0x723/0xbe0
[  376.427958][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  376.427958][   T72]      ___sys_sendmsg+0xee/0x170
[  376.427958][   T72]      __sys_sendmsg+0xcd/0x170
[  376.427958][   T72]      do_syscall_64+0xc6/0x1e0
[  376.427958][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.427958][   T72] 
[  376.429531][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  376.429531][   T72]      neigh_parms_alloc+0x1e5/0x510
[  376.429531][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  376.429531][   T72]      ipv6_find_idev+0x102/0x170
[  376.429531][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  376.429531][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.429531][   T72]      netlink_rcv_skb+0x130/0x360
[  376.429531][   T72]      netlink_unicast+0x449/0x710
[  376.429531][   T72]      netlink_sendmsg+0x723/0xbe0
[  376.429531][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  376.429531][   T72]      ___sys_sendmsg+0xee/0x170
[  376.429531][   T72]      __sys_sendmsg+0xcd/0x170
[  376.429531][   T72]      do_syscall_64+0xc6/0x1e0
[  376.429531][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.429531][   T72] 
[  386.495832][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  386.496259][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  386.496259][   T72]      netdev_get_by_index+0x5e/0x80
[  386.496259][   T72]      fib6_nh_init+0x3d8/0x1580
[  386.496259][   T72]      ip6_route_info_create+0xf18/0x17d0
[  386.496259][   T72]      addrconf_f6i_alloc+0x315/0x560
[  386.496259][   T72]      ipv6_add_addr+0x411/0x2000
[  386.496259][   T72]      inet6_addr_add+0x30e/0xa40
[  386.496259][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  386.496259][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.496259][   T72]      netlink_rcv_skb+0x130/0x360
[  386.496259][   T72]      netlink_unicast+0x449/0x710
[  386.496259][   T72]      netlink_sendmsg+0x723/0xbe0
[  386.496259][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  386.496259][   T72]      ___sys_sendmsg+0xee/0x170
[  386.496259][   T72]      __sys_sendmsg+0xcd/0x170
[  386.496259][   T72]      do_syscall_64+0xc6/0x1e0
[  386.496259][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.496259][   T72] 
[  386.498299][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  386.498299][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  386.498299][   T72]      ipv6_find_idev+0x102/0x170
[  386.498299][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  386.498299][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.498299][   T72]      netlink_rcv_skb+0x130/0x360
[  386.498299][   T72]      netlink_unicast+0x449/0x710
[  386.498299][   T72]      netlink_sendmsg+0x723/0xbe0
[  386.498299][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  386.498299][   T72]      ___sys_sendmsg+0xee/0x170
[  386.498299][   T72]      __sys_sendmsg+0xcd/0x170
[  386.498299][   T72]      do_syscall_64+0xc6/0x1e0
[  386.498299][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.498299][   T72] 
[  386.499871][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  386.499871][   T72]      neigh_parms_alloc+0x1e5/0x510
[  386.499871][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  386.499871][   T72]      ipv6_find_idev+0x102/0x170
[  386.499871][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  386.499871][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.499871][   T72]      netlink_rcv_skb+0x130/0x360
[  386.499871][   T72]      netlink_unicast+0x449/0x710
[  386.499871][   T72]      netlink_sendmsg+0x723/0xbe0
[  386.499871][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  386.499871][   T72]      ___sys_sendmsg+0xee/0x170
[  386.499871][   T72]      __sys_sendmsg+0xcd/0x170
[  386.499871][   T72]      do_syscall_64+0xc6/0x1e0
[  386.499871][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.499871][   T72] 
[  386.501619][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  386.501874][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  386.501874][   T72]      netdev_get_by_index+0x5e/0x80
[  386.501874][   T72]      fib6_nh_init+0x3d8/0x1580
[  386.501874][   T72]      ip6_route_info_create+0xf18/0x17d0
[  386.501874][   T72]      ip6_route_add+0x1c/0x140
[  386.501874][   T72]      addrconf_prefix_route+0x2a6/0x430
[  386.501874][   T72]      inet6_addr_add+0x4f8/0xa40
[  386.501874][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  386.501874][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.501874][   T72]      netlink_rcv_skb+0x130/0x360
[  386.501874][   T72]      netlink_unicast+0x449/0x710
[  386.501874][   T72]      netlink_sendmsg+0x723/0xbe0
[  386.501874][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  386.501874][   T72]      ___sys_sendmsg+0xee/0x170
[  386.501874][   T72]      __sys_sendmsg+0xcd/0x170
[  386.501874][   T72]      do_syscall_64+0xc6/0x1e0
[  386.501874][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.501874][   T72] 
[  386.503903][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  386.503903][   T72]      netdev_get_by_index+0x5e/0x80
[  386.503903][   T72]      fib6_nh_init+0x3d8/0x1580
[  386.503903][   T72]      ip6_route_info_create+0xf18/0x17d0
[  386.503903][   T72]      addrconf_f6i_alloc+0x315/0x560
[  386.503903][   T72]      ipv6_add_addr+0x411/0x2000
[  386.503903][   T72]      inet6_addr_add+0x30e/0xa40
[  386.503903][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  386.503903][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.503903][   T72]      netlink_rcv_skb+0x130/0x360
[  386.503903][   T72]      netlink_unicast+0x449/0x710
[  386.503903][   T72]      netlink_sendmsg+0x723/0xbe0
[  386.503903][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  386.503903][   T72]      ___sys_sendmsg+0xee/0x170
[  386.503903][   T72]      __sys_sendmsg+0xcd/0x170
[  386.503903][   T72]      do_syscall_64+0xc6/0x1e0
[  386.503903][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.503903][   T72] 
[  386.505931][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  386.505931][   T72]      netdev_get_by_index+0x5e/0x80
[  386.505931][   T72]      fib6_nh_init+0x3d8/0x1580
[  386.505931][   T72]      ip6_route_info_create+0xf18/0x17d0
[  386.505931][   T72]      ip6_route_add+0x1c/0x140
[  386.505931][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  386.505931][   T72]      addrconf_add_dev+0xe2/0x170
[  386.505931][   T72]      inet6_addr_add+0x12f/0xa40
[  386.505931][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  386.505931][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.505931][   T72]      netlink_rcv_skb+0x130/0x360
[  386.505931][   T72]      netlink_unicast+0x449/0x710
[  386.505931][   T72]      netlink_sendmsg+0x723/0xbe0
[  386.505931][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  386.505931][   T72]      ___sys_sendmsg+0xee/0x170
[  386.505931][   T72]      __sys_sendmsg+0xcd/0x170
[  386.505931][   T72]      do_syscall_64+0xc6/0x1e0
[  386.505931][   T72] 
[  386.507948][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  386.507948][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  386.507948][   T72]      ipv6_find_idev+0x102/0x170
[  386.507948][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  386.507948][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.507948][   T72]      netlink_rcv_skb+0x130/0x360
[  386.507948][   T72]      netlink_unicast+0x449/0x710
[  386.507948][   T72]      netlink_sendmsg+0x723/0xbe0
[  386.507948][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  386.507948][   T72]      ___sys_sendmsg+0xee/0x170
[  386.507948][   T72]      __sys_sendmsg+0xcd/0x170
[  386.507948][   T72]      do_syscall_64+0xc6/0x1e0
[  386.507948][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.507948][   T72] 
[  386.509524][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  386.509524][   T72]      neigh_parms_alloc+0x1e5/0x510
[  386.509524][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  386.509524][   T72]      ipv6_find_idev+0x102/0x170
[  386.509524][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  386.509524][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.509524][   T72]      netlink_rcv_skb+0x130/0x360
[  386.509524][   T72]      netlink_unicast+0x449/0x710
[  386.509524][   T72]      netlink_sendmsg+0x723/0xbe0
[  386.509524][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  386.509524][   T72]      ___sys_sendmsg+0xee/0x170
[  386.509524][   T72]      __sys_sendmsg+0xcd/0x170
[  386.509524][   T72]      do_syscall_64+0xc6/0x1e0
[  386.509524][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.509524][   T72] 
[  396.615893][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  396.616315][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  396.616315][   T72]      netdev_get_by_index+0x5e/0x80
[  396.616315][   T72]      fib6_nh_init+0x3d8/0x1580
[  396.616315][   T72]      ip6_route_info_create+0xf18/0x17d0
[  396.616315][   T72]      addrconf_f6i_alloc+0x315/0x560
[  396.616315][   T72]      ipv6_add_addr+0x411/0x2000
[  396.616315][   T72]      inet6_addr_add+0x30e/0xa40
[  396.616315][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  396.616315][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  396.616315][   T72]      netlink_rcv_skb+0x130/0x360
[  396.616315][   T72]      netlink_unicast+0x449/0x710
[  396.616315][   T72]      netlink_sendmsg+0x723/0xbe0
[  396.616315][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  396.616315][   T72]      ___sys_sendmsg+0xee/0x170
[  396.616315][   T72]      __sys_sendmsg+0xcd/0x170
[  396.616315][   T72]      do_syscall_64+0xc6/0x1e0
[  396.616315][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  396.616315][   T72] 
[  396.618364][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  396.618364][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  396.618364][   T72]      ipv6_find_idev+0x102/0x170
[  396.618364][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  396.618364][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  396.618364][   T72]      netlink_rcv_skb+0x130/0x360
[  396.618364][   T72]      netlink_unicast+0x449/0x710
[  396.618364][   T72]      netlink_sendmsg+0x723/0xbe0
[  396.618364][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  396.618364][   T72]      ___sys_sendmsg+0xee/0x170
[  396.618364][   T72]      __sys_sendmsg+0xcd/0x170
[  396.618364][   T72]      do_syscall_64+0xc6/0x1e0
[  396.618364][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  396.618364][   T72] 
[  396.619941][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  396.619941][   T72]      neigh_parms_alloc+0x1e5/0x510
[  396.619941][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  396.619941][   T72]      ipv6_find_idev+0x102/0x170
[  396.619941][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  396.619941][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  396.619941][   T72]      netlink_rcv_skb+0x130/0x360
[  396.619941][   T72]      netlink_unicast+0x449/0x710
[  396.619941][   T72]      netlink_sendmsg+0x723/0xbe0
[  396.619941][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  396.619941][   T72]      ___sys_sendmsg+0xee/0x170
[  396.619941][   T72]      __sys_sendmsg+0xcd/0x170
[  396.619941][   T72]      do_syscall_64+0xc6/0x1e0
[  396.619941][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  396.619941][   T72] 
[  396.621646][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  396.621928][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  396.621928][   T72]      netdev_get_by_index+0x5e/0x80
[  396.621928][   T72]      fib6_nh_init+0x3d8/0x1580
[  396.621928][   T72]      ip6_route_info_create+0xf18/0x17d0
[  396.621928][   T72]      ip6_route_add+0x1c/0x140
[  396.621928][   T72]      addrconf_prefix_route+0x2a6/0x430
[  396.621928][   T72]      inet6_addr_add+0x4f8/0xa40
[  396.621928][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  396.621928][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  396.621928][   T72]      netlink_rcv_skb+0x130/0x360
[  396.621928][   T72]      netlink_unicast+0x449/0x710
[  396.621928][   T72]      netlink_sendmsg+0x723/0xbe0
[  396.621928][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  396.621928][   T72]      ___sys_sendmsg+0xee/0x170
[  396.621928][   T72]      __sys_sendmsg+0xcd/0x170
[  396.621928][   T72]      do_syscall_64+0xc6/0x1e0
[  396.621928][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  396.621928][   T72] 
[  396.623950][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  396.623950][   T72]      netdev_get_by_index+0x5e/0x80
[  396.623950][   T72]      fib6_nh_init+0x3d8/0x1580
[  396.623950][   T72]      ip6_route_info_create+0xf18/0x17d0
[  396.623950][   T72]      addrconf_f6i_alloc+0x315/0x560
[  396.623950][   T72]      ipv6_add_addr+0x411/0x2000
[  396.623950][   T72]      inet6_addr_add+0x30e/0xa40
[  396.623950][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  396.623950][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  396.623950][   T72]      netlink_rcv_skb+0x130/0x360
[  396.623950][   T72]      netlink_unicast+0x449/0x710
[  396.623950][   T72]      netlink_sendmsg+0x723/0xbe0
[  396.623950][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  396.623950][   T72]      ___sys_sendmsg+0xee/0x170
[  396.623950][   T72]      __sys_sendmsg+0xcd/0x170
[  396.623950][   T72]      do_syscall_64+0xc6/0x1e0
[  396.623950][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  396.623950][   T72] 
[  396.625975][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  396.625975][   T72]      netdev_get_by_index+0x5e/0x80
[  396.625975][   T72]      fib6_nh_init+0x3d8/0x1580
[  396.625975][   T72]      ip6_route_info_create+0xf18/0x17d0
[  396.625975][   T72]      ip6_route_add+0x1c/0x140
[  396.625975][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  396.625975][   T72]      addrconf_add_dev+0xe2/0x170
[  396.625975][   T72]      inet6_addr_add+0x12f/0xa40
[  396.625975][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  396.625975][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  396.625975][   T72]      netlink_rcv_skb+0x130/0x360
[  396.625975][   T72]      netlink_unicast+0x449/0x710
[  396.625975][   T72]      netlink_sendmsg+0x723/0xbe0
[  396.625975][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  396.625975][   T72]      ___sys_sendmsg+0xee/0x170
[  396.625975][   T72]      __sys_sendmsg+0xcd/0x170
[  396.625975][   T72]      do_syscall_64+0xc6/0x1e0
[  396.625975][   T72] 
[  396.627972][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  396.627972][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  396.627972][   T72]      ipv6_find_idev+0x102/0x170
[  396.627972][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  396.627972][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  396.627972][   T72]      netlink_rcv_skb+0x130/0x360
[  396.627972][   T72]      netlink_unicast+0x449/0x710
[  396.627972][   T72]      netlink_sendmsg+0x723/0xbe0
[  396.627972][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  396.627972][   T72]      ___sys_sendmsg+0xee/0x170
[  396.627972][   T72]      __sys_sendmsg+0xcd/0x170
[  396.627972][   T72]      do_syscall_64+0xc6/0x1e0
[  396.627972][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  396.627972][   T72] 
[  396.629530][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  396.629530][   T72]      neigh_parms_alloc+0x1e5/0x510
[  396.629530][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  396.629530][   T72]      ipv6_find_idev+0x102/0x170
[  396.629530][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  396.629530][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  396.629530][   T72]      netlink_rcv_skb+0x130/0x360
[  396.629530][   T72]      netlink_unicast+0x449/0x710
[  396.629530][   T72]      netlink_sendmsg+0x723/0xbe0
[  396.629530][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  396.629530][   T72]      ___sys_sendmsg+0xee/0x170
[  396.629530][   T72]      __sys_sendmsg+0xcd/0x170
[  396.629530][   T72]      do_syscall_64+0xc6/0x1e0
[  396.629530][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  396.629530][   T72] 
[  406.807882][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  406.808313][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  406.808313][   T72]      netdev_get_by_index+0x5e/0x80
[  406.808313][   T72]      fib6_nh_init+0x3d8/0x1580
[  406.808313][   T72]      ip6_route_info_create+0xf18/0x17d0
[  406.808313][   T72]      addrconf_f6i_alloc+0x315/0x560
[  406.808313][   T72]      ipv6_add_addr+0x411/0x2000
[  406.808313][   T72]      inet6_addr_add+0x30e/0xa40
[  406.808313][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  406.808313][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  406.808313][   T72]      netlink_rcv_skb+0x130/0x360
[  406.808313][   T72]      netlink_unicast+0x449/0x710
[  406.808313][   T72]      netlink_sendmsg+0x723/0xbe0
[  406.808313][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  406.808313][   T72]      ___sys_sendmsg+0xee/0x170
[  406.808313][   T72]      __sys_sendmsg+0xcd/0x170
[  406.808313][   T72]      do_syscall_64+0xc6/0x1e0
[  406.808313][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  406.808313][   T72] 
[  406.810369][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  406.810369][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  406.810369][   T72]      ipv6_find_idev+0x102/0x170
[  406.810369][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  406.810369][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  406.810369][   T72]      netlink_rcv_skb+0x130/0x360
[  406.810369][   T72]      netlink_unicast+0x449/0x710
[  406.810369][   T72]      netlink_sendmsg+0x723/0xbe0
[  406.810369][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  406.810369][   T72]      ___sys_sendmsg+0xee/0x170
[  406.810369][   T72]      __sys_sendmsg+0xcd/0x170
[  406.810369][   T72]      do_syscall_64+0xc6/0x1e0
[  406.810369][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  406.810369][   T72] 
[  406.811916][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  406.811916][   T72]      neigh_parms_alloc+0x1e5/0x510
[  406.811916][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  406.811916][   T72]      ipv6_find_idev+0x102/0x170
[  406.811916][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  406.811916][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  406.811916][   T72]      netlink_rcv_skb+0x130/0x360
[  406.811916][   T72]      netlink_unicast+0x449/0x710
[  406.811916][   T72]      netlink_sendmsg+0x723/0xbe0
[  406.811916][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  406.811916][   T72]      ___sys_sendmsg+0xee/0x170
[  406.811916][   T72]      __sys_sendmsg+0xcd/0x170
[  406.811916][   T72]      do_syscall_64+0xc6/0x1e0
[  406.811916][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  406.811916][   T72] 
[  406.813629][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  406.813896][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  406.813896][   T72]      netdev_get_by_index+0x5e/0x80
[  406.813896][   T72]      fib6_nh_init+0x3d8/0x1580
[  406.813896][   T72]      ip6_route_info_create+0xf18/0x17d0
[  406.813896][   T72]      ip6_route_add+0x1c/0x140
[  406.813896][   T72]      addrconf_prefix_route+0x2a6/0x430
[  406.813896][   T72]      inet6_addr_add+0x4f8/0xa40
[  406.813896][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  406.813896][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  406.813896][   T72]      netlink_rcv_skb+0x130/0x360
[  406.813896][   T72]      netlink_unicast+0x449/0x710
[  406.813896][   T72]      netlink_sendmsg+0x723/0xbe0
[  406.813896][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  406.813896][   T72]      ___sys_sendmsg+0xee/0x170
[  406.813896][   T72]      __sys_sendmsg+0xcd/0x170
[  406.813896][   T72]      do_syscall_64+0xc6/0x1e0
[  406.813896][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  406.813896][   T72] 
[  406.815920][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  406.815920][   T72]      netdev_get_by_index+0x5e/0x80
[  406.815920][   T72]      fib6_nh_init+0x3d8/0x1580
[  406.815920][   T72]      ip6_route_info_create+0xf18/0x17d0
[  406.815920][   T72]      addrconf_f6i_alloc+0x315/0x560
[  406.815920][   T72]      ipv6_add_addr+0x411/0x2000
[  406.815920][   T72]      inet6_addr_add+0x30e/0xa40
[  406.815920][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  406.815920][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  406.815920][   T72]      netlink_rcv_skb+0x130/0x360
[  406.815920][   T72]      netlink_unicast+0x449/0x710
[  406.815920][   T72]      netlink_sendmsg+0x723/0xbe0
[  406.815920][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  406.815920][   T72]      ___sys_sendmsg+0xee/0x170
[  406.815920][   T72]      __sys_sendmsg+0xcd/0x170
[  406.815920][   T72]      do_syscall_64+0xc6/0x1e0
[  406.815920][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  406.815920][   T72] 
[  406.817952][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  406.817952][   T72]      netdev_get_by_index+0x5e/0x80
[  406.817952][   T72]      fib6_nh_init+0x3d8/0x1580
[  406.817952][   T72]      ip6_route_info_create+0xf18/0x17d0
[  406.817952][   T72]      ip6_route_add+0x1c/0x140
[  406.817952][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  406.817952][   T72]      addrconf_add_dev+0xe2/0x170
[  406.817952][   T72]      inet6_addr_add+0x12f/0xa40
[  406.817952][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  406.817952][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  406.817952][   T72]      netlink_rcv_skb+0x130/0x360
[  406.817952][   T72]      netlink_unicast+0x449/0x710
[  406.817952][   T72]      netlink_sendmsg+0x723/0xbe0
[  406.817952][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  406.817952][   T72]      ___sys_sendmsg+0xee/0x170
[  406.817952][   T72]      __sys_sendmsg+0xcd/0x170
[  406.817952][   T72]      do_syscall_64+0xc6/0x1e0
[  406.817952][   T72] 
[  406.819965][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  406.819965][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  406.819965][   T72]      ipv6_find_idev+0x102/0x170
[  406.819965][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  406.819965][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  406.819965][   T72]      netlink_rcv_skb+0x130/0x360
[  406.819965][   T72]      netlink_unicast+0x449/0x710
[  406.819965][   T72]      netlink_sendmsg+0x723/0xbe0
[  406.819965][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  406.819965][   T72]      ___sys_sendmsg+0xee/0x170
[  406.819965][   T72]      __sys_sendmsg+0xcd/0x170
[  406.819965][   T72]      do_syscall_64+0xc6/0x1e0
[  406.819965][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  406.819965][   T72] 
[  406.821521][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  406.821521][   T72]      neigh_parms_alloc+0x1e5/0x510
[  406.821521][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  406.821521][   T72]      ipv6_find_idev+0x102/0x170
[  406.821521][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  406.821521][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  406.821521][   T72]      netlink_rcv_skb+0x130/0x360
[  406.821521][   T72]      netlink_unicast+0x449/0x710
[  406.821521][   T72]      netlink_sendmsg+0x723/0xbe0
[  406.821521][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  406.821521][   T72]      ___sys_sendmsg+0xee/0x170
[  406.821521][   T72]      __sys_sendmsg+0xcd/0x170
[  406.821521][   T72]      do_syscall_64+0xc6/0x1e0
[  406.821521][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  406.821521][   T72] 
[  417.023900][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  417.024326][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  417.024326][   T72]      netdev_get_by_index+0x5e/0x80
[  417.024326][   T72]      fib6_nh_init+0x3d8/0x1580
[  417.024326][   T72]      ip6_route_info_create+0xf18/0x17d0
[  417.024326][   T72]      addrconf_f6i_alloc+0x315/0x560
[  417.024326][   T72]      ipv6_add_addr+0x411/0x2000
[  417.024326][   T72]      inet6_addr_add+0x30e/0xa40
[  417.024326][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  417.024326][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.024326][   T72]      netlink_rcv_skb+0x130/0x360
[  417.024326][   T72]      netlink_unicast+0x449/0x710
[  417.024326][   T72]      netlink_sendmsg+0x723/0xbe0
[  417.024326][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  417.024326][   T72]      ___sys_sendmsg+0xee/0x170
[  417.024326][   T72]      __sys_sendmsg+0xcd/0x170
[  417.024326][   T72]      do_syscall_64+0xc6/0x1e0
[  417.024326][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.024326][   T72] 
[  417.026383][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  417.026383][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  417.026383][   T72]      ipv6_find_idev+0x102/0x170
[  417.026383][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  417.026383][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.026383][   T72]      netlink_rcv_skb+0x130/0x360
[  417.026383][   T72]      netlink_unicast+0x449/0x710
[  417.026383][   T72]      netlink_sendmsg+0x723/0xbe0
[  417.026383][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  417.026383][   T72]      ___sys_sendmsg+0xee/0x170
[  417.026383][   T72]      __sys_sendmsg+0xcd/0x170
[  417.026383][   T72]      do_syscall_64+0xc6/0x1e0
[  417.026383][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.026383][   T72] 
[  417.027964][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  417.027964][   T72]      neigh_parms_alloc+0x1e5/0x510
[  417.027964][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  417.027964][   T72]      ipv6_find_idev+0x102/0x170
[  417.027964][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  417.027964][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.027964][   T72]      netlink_rcv_skb+0x130/0x360
[  417.027964][   T72]      netlink_unicast+0x449/0x710
[  417.027964][   T72]      netlink_sendmsg+0x723/0xbe0
[  417.027964][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  417.027964][   T72]      ___sys_sendmsg+0xee/0x170
[  417.027964][   T72]      __sys_sendmsg+0xcd/0x170
[  417.027964][   T72]      do_syscall_64+0xc6/0x1e0
[  417.027964][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.027964][   T72] 
[  417.029774][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  417.030030][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  417.030030][   T72]      netdev_get_by_index+0x5e/0x80
[  417.030030][   T72]      fib6_nh_init+0x3d8/0x1580
[  417.030030][   T72]      ip6_route_info_create+0xf18/0x17d0
[  417.030030][   T72]      ip6_route_add+0x1c/0x140
[  417.030030][   T72]      addrconf_prefix_route+0x2a6/0x430
[  417.030030][   T72]      inet6_addr_add+0x4f8/0xa40
[  417.030030][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  417.030030][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.030030][   T72]      netlink_rcv_skb+0x130/0x360
[  417.030030][   T72]      netlink_unicast+0x449/0x710
[  417.030030][   T72]      netlink_sendmsg+0x723/0xbe0
[  417.030030][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  417.030030][   T72]      ___sys_sendmsg+0xee/0x170
[  417.030030][   T72]      __sys_sendmsg+0xcd/0x170
[  417.030030][   T72]      do_syscall_64+0xc6/0x1e0
[  417.030030][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.030030][   T72] 
[  417.032192][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  417.032192][   T72]      netdev_get_by_index+0x5e/0x80
[  417.032192][   T72]      fib6_nh_init+0x3d8/0x1580
[  417.032192][   T72]      ip6_route_info_create+0xf18/0x17d0
[  417.032192][   T72]      addrconf_f6i_alloc+0x315/0x560
[  417.032192][   T72]      ipv6_add_addr+0x411/0x2000
[  417.032192][   T72]      inet6_addr_add+0x30e/0xa40
[  417.032192][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  417.032192][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.032192][   T72]      netlink_rcv_skb+0x130/0x360
[  417.032192][   T72]      netlink_unicast+0x449/0x710
[  417.032192][   T72]      netlink_sendmsg+0x723/0xbe0
[  417.032192][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  417.032192][   T72]      ___sys_sendmsg+0xee/0x170
[  417.032192][   T72]      __sys_sendmsg+0xcd/0x170
[  417.032192][   T72]      do_syscall_64+0xc6/0x1e0
[  417.032192][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.032192][   T72] 
[  417.034234][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  417.034234][   T72]      netdev_get_by_index+0x5e/0x80
[  417.034234][   T72]      fib6_nh_init+0x3d8/0x1580
[  417.034234][   T72]      ip6_route_info_create+0xf18/0x17d0
[  417.034234][   T72]      ip6_route_add+0x1c/0x140
[  417.034234][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  417.034234][   T72]      addrconf_add_dev+0xe2/0x170
[  417.034234][   T72]      inet6_addr_add+0x12f/0xa40
[  417.034234][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  417.034234][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.034234][   T72]      netlink_rcv_skb+0x130/0x360
[  417.034234][   T72]      netlink_unicast+0x449/0x710
[  417.034234][   T72]      netlink_sendmsg+0x723/0xbe0
[  417.034234][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  417.034234][   T72]      ___sys_sendmsg+0xee/0x170
[  417.034234][   T72]      __sys_sendmsg+0xcd/0x170
[  417.034234][   T72]      do_syscall_64+0xc6/0x1e0
[  417.034234][   T72] 
[  417.036210][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  417.036210][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  417.036210][   T72]      ipv6_find_idev+0x102/0x170
[  417.036210][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  417.036210][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.036210][   T72]      netlink_rcv_skb+0x130/0x360
[  417.036210][   T72]      netlink_unicast+0x449/0x710
[  417.036210][   T72]      netlink_sendmsg+0x723/0xbe0
[  417.036210][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  417.036210][   T72]      ___sys_sendmsg+0xee/0x170
[  417.036210][   T72]      __sys_sendmsg+0xcd/0x170
[  417.036210][   T72]      do_syscall_64+0xc6/0x1e0
[  417.036210][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.036210][   T72] 
[  417.037799][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  417.037799][   T72]      neigh_parms_alloc+0x1e5/0x510
[  417.037799][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  417.037799][   T72]      ipv6_find_idev+0x102/0x170
[  417.037799][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  417.037799][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.037799][   T72]      netlink_rcv_skb+0x130/0x360
[  417.037799][   T72]      netlink_unicast+0x449/0x710
[  417.037799][   T72]      netlink_sendmsg+0x723/0xbe0
[  417.037799][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  417.037799][   T72]      ___sys_sendmsg+0xee/0x170
[  417.037799][   T72]      __sys_sendmsg+0xcd/0x170
[  417.037799][   T72]      do_syscall_64+0xc6/0x1e0
[  417.037799][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.037799][   T72] 
[  427.279900][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  427.280276][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  427.280276][   T72]      netdev_get_by_index+0x5e/0x80
[  427.280276][   T72]      fib6_nh_init+0x3d8/0x1580
[  427.280276][   T72]      ip6_route_info_create+0xf18/0x17d0
[  427.280276][   T72]      addrconf_f6i_alloc+0x315/0x560
[  427.280276][   T72]      ipv6_add_addr+0x411/0x2000
[  427.280276][   T72]      inet6_addr_add+0x30e/0xa40
[  427.280276][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  427.280276][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.280276][   T72]      netlink_rcv_skb+0x130/0x360
[  427.280276][   T72]      netlink_unicast+0x449/0x710
[  427.280276][   T72]      netlink_sendmsg+0x723/0xbe0
[  427.280276][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  427.280276][   T72]      ___sys_sendmsg+0xee/0x170
[  427.280276][   T72]      __sys_sendmsg+0xcd/0x170
[  427.280276][   T72]      do_syscall_64+0xc6/0x1e0
[  427.280276][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.280276][   T72] 
[  427.282381][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  427.282381][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  427.282381][   T72]      ipv6_find_idev+0x102/0x170
[  427.282381][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  427.282381][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.282381][   T72]      netlink_rcv_skb+0x130/0x360
[  427.282381][   T72]      netlink_unicast+0x449/0x710
[  427.282381][   T72]      netlink_sendmsg+0x723/0xbe0
[  427.282381][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  427.282381][   T72]      ___sys_sendmsg+0xee/0x170
[  427.282381][   T72]      __sys_sendmsg+0xcd/0x170
[  427.282381][   T72]      do_syscall_64+0xc6/0x1e0
[  427.282381][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.282381][   T72] 
[  427.283972][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  427.283972][   T72]      neigh_parms_alloc+0x1e5/0x510
[  427.283972][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  427.283972][   T72]      ipv6_find_idev+0x102/0x170
[  427.283972][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  427.283972][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.283972][   T72]      netlink_rcv_skb+0x130/0x360
[  427.283972][   T72]      netlink_unicast+0x449/0x710
[  427.283972][   T72]      netlink_sendmsg+0x723/0xbe0
[  427.283972][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  427.283972][   T72]      ___sys_sendmsg+0xee/0x170
[  427.283972][   T72]      __sys_sendmsg+0xcd/0x170
[  427.283972][   T72]      do_syscall_64+0xc6/0x1e0
[  427.283972][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.283972][   T72] 
[  427.285726][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  427.285998][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  427.285998][   T72]      netdev_get_by_index+0x5e/0x80
[  427.285998][   T72]      fib6_nh_init+0x3d8/0x1580
[  427.285998][   T72]      ip6_route_info_create+0xf18/0x17d0
[  427.285998][   T72]      ip6_route_add+0x1c/0x140
[  427.285998][   T72]      addrconf_prefix_route+0x2a6/0x430
[  427.285998][   T72]      inet6_addr_add+0x4f8/0xa40
[  427.285998][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  427.285998][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.285998][   T72]      netlink_rcv_skb+0x130/0x360
[  427.285998][   T72]      netlink_unicast+0x449/0x710
[  427.285998][   T72]      netlink_sendmsg+0x723/0xbe0
[  427.285998][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  427.285998][   T72]      ___sys_sendmsg+0xee/0x170
[  427.285998][   T72]      __sys_sendmsg+0xcd/0x170
[  427.285998][   T72]      do_syscall_64+0xc6/0x1e0
[  427.285998][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.285998][   T72] 
[  427.288075][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  427.288075][   T72]      netdev_get_by_index+0x5e/0x80
[  427.288075][   T72]      fib6_nh_init+0x3d8/0x1580
[  427.288075][   T72]      ip6_route_info_create+0xf18/0x17d0
[  427.288075][   T72]      addrconf_f6i_alloc+0x315/0x560
[  427.288075][   T72]      ipv6_add_addr+0x411/0x2000
[  427.288075][   T72]      inet6_addr_add+0x30e/0xa40
[  427.288075][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  427.288075][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.288075][   T72]      netlink_rcv_skb+0x130/0x360
[  427.288075][   T72]      netlink_unicast+0x449/0x710
[  427.288075][   T72]      netlink_sendmsg+0x723/0xbe0
[  427.288075][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  427.288075][   T72]      ___sys_sendmsg+0xee/0x170
[  427.288075][   T72]      __sys_sendmsg+0xcd/0x170
[  427.288075][   T72]      do_syscall_64+0xc6/0x1e0
[  427.288075][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.288075][   T72] 
[  427.290130][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  427.290130][   T72]      netdev_get_by_index+0x5e/0x80
[  427.290130][   T72]      fib6_nh_init+0x3d8/0x1580
[  427.290130][   T72]      ip6_route_info_create+0xf18/0x17d0
[  427.290130][   T72]      ip6_route_add+0x1c/0x140
[  427.290130][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  427.290130][   T72]      addrconf_add_dev+0xe2/0x170
[  427.290130][   T72]      inet6_addr_add+0x12f/0xa40
[  427.290130][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  427.290130][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.290130][   T72]      netlink_rcv_skb+0x130/0x360
[  427.290130][   T72]      netlink_unicast+0x449/0x710
[  427.290130][   T72]      netlink_sendmsg+0x723/0xbe0
[  427.290130][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  427.290130][   T72]      ___sys_sendmsg+0xee/0x170
[  427.290130][   T72]      __sys_sendmsg+0xcd/0x170
[  427.290130][   T72]      do_syscall_64+0xc6/0x1e0
[  427.290130][   T72] 
[  427.292156][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  427.292156][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  427.292156][   T72]      ipv6_find_idev+0x102/0x170
[  427.292156][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  427.292156][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.292156][   T72]      netlink_rcv_skb+0x130/0x360
[  427.292156][   T72]      netlink_unicast+0x449/0x710
[  427.292156][   T72]      netlink_sendmsg+0x723/0xbe0
[  427.292156][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  427.292156][   T72]      ___sys_sendmsg+0xee/0x170
[  427.292156][   T72]      __sys_sendmsg+0xcd/0x170
[  427.292156][   T72]      do_syscall_64+0xc6/0x1e0
[  427.292156][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.292156][   T72] 
[  427.293724][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  427.293724][   T72]      neigh_parms_alloc+0x1e5/0x510
[  427.293724][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  427.293724][   T72]      ipv6_find_idev+0x102/0x170
[  427.293724][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  427.293724][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.293724][   T72]      netlink_rcv_skb+0x130/0x360
[  427.293724][   T72]      netlink_unicast+0x449/0x710
[  427.293724][   T72]      netlink_sendmsg+0x723/0xbe0
[  427.293724][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  427.293724][   T72]      ___sys_sendmsg+0xee/0x170
[  427.293724][   T72]      __sys_sendmsg+0xcd/0x170
[  427.293724][   T72]      do_syscall_64+0xc6/0x1e0
[  427.293724][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.293724][   T72] 
[  437.535884][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  437.536471][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  437.536471][   T72]      netdev_get_by_index+0x5e/0x80
[  437.536471][   T72]      fib6_nh_init+0x3d8/0x1580
[  437.536471][   T72]      ip6_route_info_create+0xf18/0x17d0
[  437.536471][   T72]      addrconf_f6i_alloc+0x315/0x560
[  437.536471][   T72]      ipv6_add_addr+0x411/0x2000
[  437.536471][   T72]      inet6_addr_add+0x30e/0xa40
[  437.536471][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  437.536471][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.536471][   T72]      netlink_rcv_skb+0x130/0x360
[  437.536471][   T72]      netlink_unicast+0x449/0x710
[  437.536471][   T72]      netlink_sendmsg+0x723/0xbe0
[  437.536471][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  437.536471][   T72]      ___sys_sendmsg+0xee/0x170
[  437.536471][   T72]      __sys_sendmsg+0xcd/0x170
[  437.536471][   T72]      do_syscall_64+0xc6/0x1e0
[  437.536471][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.536471][   T72] 
[  437.539662][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  437.539662][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  437.539662][   T72]      ipv6_find_idev+0x102/0x170
[  437.539662][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  437.539662][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.539662][   T72]      netlink_rcv_skb+0x130/0x360
[  437.539662][   T72]      netlink_unicast+0x449/0x710
[  437.539662][   T72]      netlink_sendmsg+0x723/0xbe0
[  437.539662][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  437.539662][   T72]      ___sys_sendmsg+0xee/0x170
[  437.539662][   T72]      __sys_sendmsg+0xcd/0x170
[  437.539662][   T72]      do_syscall_64+0xc6/0x1e0
[  437.539662][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.539662][   T72] 
[  437.542093][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  437.542093][   T72]      neigh_parms_alloc+0x1e5/0x510
[  437.542093][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  437.542093][   T72]      ipv6_find_idev+0x102/0x170
[  437.542093][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  437.542093][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.542093][   T72]      netlink_rcv_skb+0x130/0x360
[  437.542093][   T72]      netlink_unicast+0x449/0x710
[  437.542093][   T72]      netlink_sendmsg+0x723/0xbe0
[  437.542093][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  437.542093][   T72]      ___sys_sendmsg+0xee/0x170
[  437.542093][   T72]      __sys_sendmsg+0xcd/0x170
[  437.542093][   T72]      do_syscall_64+0xc6/0x1e0
[  437.542093][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.542093][   T72] 
[  437.544877][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  437.545274][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  437.545274][   T72]      netdev_get_by_index+0x5e/0x80
[  437.545274][   T72]      fib6_nh_init+0x3d8/0x1580
[  437.545274][   T72]      ip6_route_info_create+0xf18/0x17d0
[  437.545274][   T72]      ip6_route_add+0x1c/0x140
[  437.545274][   T72]      addrconf_prefix_route+0x2a6/0x430
[  437.545274][   T72]      inet6_addr_add+0x4f8/0xa40
[  437.545274][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  437.545274][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.545274][   T72]      netlink_rcv_skb+0x130/0x360
[  437.545274][   T72]      netlink_unicast+0x449/0x710
[  437.545274][   T72]      netlink_sendmsg+0x723/0xbe0
[  437.545274][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  437.545274][   T72]      ___sys_sendmsg+0xee/0x170
[  437.545274][   T72]      __sys_sendmsg+0xcd/0x170
[  437.545274][   T72]      do_syscall_64+0xc6/0x1e0
[  437.545274][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.545274][   T72] 
[  437.548309][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  437.548309][   T72]      netdev_get_by_index+0x5e/0x80
[  437.548309][   T72]      fib6_nh_init+0x3d8/0x1580
[  437.548309][   T72]      ip6_route_info_create+0xf18/0x17d0
[  437.548309][   T72]      addrconf_f6i_alloc+0x315/0x560
[  437.548309][   T72]      ipv6_add_addr+0x411/0x2000
[  437.548309][   T72]      inet6_addr_add+0x30e/0xa40
[  437.548309][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  437.548309][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.548309][   T72]      netlink_rcv_skb+0x130/0x360
[  437.548309][   T72]      netlink_unicast+0x449/0x710
[  437.548309][   T72]      netlink_sendmsg+0x723/0xbe0
[  437.548309][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  437.548309][   T72]      ___sys_sendmsg+0xee/0x170
[  437.548309][   T72]      __sys_sendmsg+0xcd/0x170
[  437.548309][   T72]      do_syscall_64+0xc6/0x1e0
[  437.548309][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.548309][   T72] 
[  437.551390][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  437.551390][   T72]      netdev_get_by_index+0x5e/0x80
[  437.551390][   T72]      fib6_nh_init+0x3d8/0x1580
[  437.551390][   T72]      ip6_route_info_create+0xf18/0x17d0
[  437.551390][   T72]      ip6_route_add+0x1c/0x140
[  437.551390][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  437.551390][   T72]      addrconf_add_dev+0xe2/0x170
[  437.551390][   T72]      inet6_addr_add+0x12f/0xa40
[  437.551390][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  437.551390][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.551390][   T72]      netlink_rcv_skb+0x130/0x360
[  437.551390][   T72]      netlink_unicast+0x449/0x710
[  437.551390][   T72]      netlink_sendmsg+0x723/0xbe0
[  437.551390][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  437.551390][   T72]      ___sys_sendmsg+0xee/0x170
[  437.551390][   T72]      __sys_sendmsg+0xcd/0x170
[  437.551390][   T72]      do_syscall_64+0xc6/0x1e0
[  437.551390][   T72] 
[  437.554497][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  437.554497][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  437.554497][   T72]      ipv6_find_idev+0x102/0x170
[  437.554497][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  437.554497][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.554497][   T72]      netlink_rcv_skb+0x130/0x360
[  437.554497][   T72]      netlink_unicast+0x449/0x710
[  437.554497][   T72]      netlink_sendmsg+0x723/0xbe0
[  437.554497][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  437.554497][   T72]      ___sys_sendmsg+0xee/0x170
[  437.554497][   T72]      __sys_sendmsg+0xcd/0x170
[  437.554497][   T72]      do_syscall_64+0xc6/0x1e0
[  437.554497][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.554497][   T72] 
[  437.556965][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  437.556965][   T72]      neigh_parms_alloc+0x1e5/0x510
[  437.556965][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  437.556965][   T72]      ipv6_find_idev+0x102/0x170
[  437.556965][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  437.556965][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.556965][   T72]      netlink_rcv_skb+0x130/0x360
[  437.556965][   T72]      netlink_unicast+0x449/0x710
[  437.556965][   T72]      netlink_sendmsg+0x723/0xbe0
[  437.556965][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  437.556965][   T72]      ___sys_sendmsg+0xee/0x170
[  437.556965][   T72]      __sys_sendmsg+0xcd/0x170
[  437.556965][   T72]      do_syscall_64+0xc6/0x1e0
[  437.556965][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.556965][   T72] 
[  447.799904][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  447.800375][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  447.800375][   T72]      netdev_get_by_index+0x5e/0x80
[  447.800375][   T72]      fib6_nh_init+0x3d8/0x1580
[  447.800375][   T72]      ip6_route_info_create+0xf18/0x17d0
[  447.800375][   T72]      addrconf_f6i_alloc+0x315/0x560
[  447.800375][   T72]      ipv6_add_addr+0x411/0x2000
[  447.800375][   T72]      inet6_addr_add+0x30e/0xa40
[  447.800375][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  447.800375][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  447.800375][   T72]      netlink_rcv_skb+0x130/0x360
[  447.800375][   T72]      netlink_unicast+0x449/0x710
[  447.800375][   T72]      netlink_sendmsg+0x723/0xbe0
[  447.800375][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  447.800375][   T72]      ___sys_sendmsg+0xee/0x170
[  447.800375][   T72]      __sys_sendmsg+0xcd/0x170
[  447.800375][   T72]      do_syscall_64+0xc6/0x1e0
[  447.800375][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  447.800375][   T72] 
[  447.802436][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  447.802436][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  447.802436][   T72]      ipv6_find_idev+0x102/0x170
[  447.802436][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  447.802436][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  447.802436][   T72]      netlink_rcv_skb+0x130/0x360
[  447.802436][   T72]      netlink_unicast+0x449/0x710
[  447.802436][   T72]      netlink_sendmsg+0x723/0xbe0
[  447.802436][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  447.802436][   T72]      ___sys_sendmsg+0xee/0x170
[  447.802436][   T72]      __sys_sendmsg+0xcd/0x170
[  447.802436][   T72]      do_syscall_64+0xc6/0x1e0
[  447.802436][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  447.802436][   T72] 
[  447.804011][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  447.804011][   T72]      neigh_parms_alloc+0x1e5/0x510
[  447.804011][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  447.804011][   T72]      ipv6_find_idev+0x102/0x170
[  447.804011][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  447.804011][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  447.804011][   T72]      netlink_rcv_skb+0x130/0x360
[  447.804011][   T72]      netlink_unicast+0x449/0x710
[  447.804011][   T72]      netlink_sendmsg+0x723/0xbe0
[  447.804011][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  447.804011][   T72]      ___sys_sendmsg+0xee/0x170
[  447.804011][   T72]      __sys_sendmsg+0xcd/0x170
[  447.804011][   T72]      do_syscall_64+0xc6/0x1e0
[  447.804011][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  447.804011][   T72] 
[  447.805796][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  447.806054][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  447.806054][   T72]      netdev_get_by_index+0x5e/0x80
[  447.806054][   T72]      fib6_nh_init+0x3d8/0x1580
[  447.806054][   T72]      ip6_route_info_create+0xf18/0x17d0
[  447.806054][   T72]      ip6_route_add+0x1c/0x140
[  447.806054][   T72]      addrconf_prefix_route+0x2a6/0x430
[  447.806054][   T72]      inet6_addr_add+0x4f8/0xa40
[  447.806054][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  447.806054][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  447.806054][   T72]      netlink_rcv_skb+0x130/0x360
[  447.806054][   T72]      netlink_unicast+0x449/0x710
[  447.806054][   T72]      netlink_sendmsg+0x723/0xbe0
[  447.806054][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  447.806054][   T72]      ___sys_sendmsg+0xee/0x170
[  447.806054][   T72]      __sys_sendmsg+0xcd/0x170
[  447.806054][   T72]      do_syscall_64+0xc6/0x1e0
[  447.806054][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  447.806054][   T72] 
[  447.808099][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  447.808099][   T72]      netdev_get_by_index+0x5e/0x80
[  447.808099][   T72]      fib6_nh_init+0x3d8/0x1580
[  447.808099][   T72]      ip6_route_info_create+0xf18/0x17d0
[  447.808099][   T72]      addrconf_f6i_alloc+0x315/0x560
[  447.808099][   T72]      ipv6_add_addr+0x411/0x2000
[  447.808099][   T72]      inet6_addr_add+0x30e/0xa40
[  447.808099][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  447.808099][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  447.808099][   T72]      netlink_rcv_skb+0x130/0x360
[  447.808099][   T72]      netlink_unicast+0x449/0x710
[  447.808099][   T72]      netlink_sendmsg+0x723/0xbe0
[  447.808099][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  447.808099][   T72]      ___sys_sendmsg+0xee/0x170
[  447.808099][   T72]      __sys_sendmsg+0xcd/0x170
[  447.808099][   T72]      do_syscall_64+0xc6/0x1e0
[  447.808099][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  447.808099][   T72] 
[  447.810147][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  447.810147][   T72]      netdev_get_by_index+0x5e/0x80
[  447.810147][   T72]      fib6_nh_init+0x3d8/0x1580
[  447.810147][   T72]      ip6_route_info_create+0xf18/0x17d0
[  447.810147][   T72]      ip6_route_add+0x1c/0x140
[  447.810147][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  447.810147][   T72]      addrconf_add_dev+0xe2/0x170
[  447.810147][   T72]      inet6_addr_add+0x12f/0xa40
[  447.810147][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  447.810147][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  447.810147][   T72]      netlink_rcv_skb+0x130/0x360
[  447.810147][   T72]      netlink_unicast+0x449/0x710
[  447.810147][   T72]      netlink_sendmsg+0x723/0xbe0
[  447.810147][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  447.810147][   T72]      ___sys_sendmsg+0xee/0x170
[  447.810147][   T72]      __sys_sendmsg+0xcd/0x170
[  447.810147][   T72]      do_syscall_64+0xc6/0x1e0
[  447.810147][   T72] 
[  447.812206][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  447.812206][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  447.812206][   T72]      ipv6_find_idev+0x102/0x170
[  447.812206][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  447.812206][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  447.812206][   T72]      netlink_rcv_skb+0x130/0x360
[  447.812206][   T72]      netlink_unicast+0x449/0x710
[  447.812206][   T72]      netlink_sendmsg+0x723/0xbe0
[  447.812206][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  447.812206][   T72]      ___sys_sendmsg+0xee/0x170
[  447.812206][   T72]      __sys_sendmsg+0xcd/0x170
[  447.812206][   T72]      do_syscall_64+0xc6/0x1e0
[  447.812206][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  447.812206][   T72] 
[  447.813775][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  447.813775][   T72]      neigh_parms_alloc+0x1e5/0x510
[  447.813775][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  447.813775][   T72]      ipv6_find_idev+0x102/0x170
[  447.813775][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  447.813775][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  447.813775][   T72]      netlink_rcv_skb+0x130/0x360
[  447.813775][   T72]      netlink_unicast+0x449/0x710
[  447.813775][   T72]      netlink_sendmsg+0x723/0xbe0
[  447.813775][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  447.813775][   T72]      ___sys_sendmsg+0xee/0x170
[  447.813775][   T72]      __sys_sendmsg+0xcd/0x170
[  447.813775][   T72]      do_syscall_64+0xc6/0x1e0
[  447.813775][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  447.813775][   T72] 
[  457.983910][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  457.984350][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  457.984350][   T72]      netdev_get_by_index+0x5e/0x80
[  457.984350][   T72]      fib6_nh_init+0x3d8/0x1580
[  457.984350][   T72]      ip6_route_info_create+0xf18/0x17d0
[  457.984350][   T72]      addrconf_f6i_alloc+0x315/0x560
[  457.984350][   T72]      ipv6_add_addr+0x411/0x2000
[  457.984350][   T72]      inet6_addr_add+0x30e/0xa40
[  457.984350][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  457.984350][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  457.984350][   T72]      netlink_rcv_skb+0x130/0x360
[  457.984350][   T72]      netlink_unicast+0x449/0x710
[  457.984350][   T72]      netlink_sendmsg+0x723/0xbe0
[  457.984350][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  457.984350][   T72]      ___sys_sendmsg+0xee/0x170
[  457.984350][   T72]      __sys_sendmsg+0xcd/0x170
[  457.984350][   T72]      do_syscall_64+0xc6/0x1e0
[  457.984350][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  457.984350][   T72] 
[  457.986404][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  457.986404][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  457.986404][   T72]      ipv6_find_idev+0x102/0x170
[  457.986404][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  457.986404][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  457.986404][   T72]      netlink_rcv_skb+0x130/0x360
[  457.986404][   T72]      netlink_unicast+0x449/0x710
[  457.986404][   T72]      netlink_sendmsg+0x723/0xbe0
[  457.986404][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  457.986404][   T72]      ___sys_sendmsg+0xee/0x170
[  457.986404][   T72]      __sys_sendmsg+0xcd/0x170
[  457.986404][   T72]      do_syscall_64+0xc6/0x1e0
[  457.986404][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  457.986404][   T72] 
[  457.987966][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  457.987966][   T72]      neigh_parms_alloc+0x1e5/0x510
[  457.987966][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  457.987966][   T72]      ipv6_find_idev+0x102/0x170
[  457.987966][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  457.987966][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  457.987966][   T72]      netlink_rcv_skb+0x130/0x360
[  457.987966][   T72]      netlink_unicast+0x449/0x710
[  457.987966][   T72]      netlink_sendmsg+0x723/0xbe0
[  457.987966][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  457.987966][   T72]      ___sys_sendmsg+0xee/0x170
[  457.987966][   T72]      __sys_sendmsg+0xcd/0x170
[  457.987966][   T72]      do_syscall_64+0xc6/0x1e0
[  457.987966][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  457.987966][   T72] 
[  457.989683][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  457.989948][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  457.989948][   T72]      netdev_get_by_index+0x5e/0x80
[  457.989948][   T72]      fib6_nh_init+0x3d8/0x1580
[  457.989948][   T72]      ip6_route_info_create+0xf18/0x17d0
[  457.989948][   T72]      ip6_route_add+0x1c/0x140
[  457.989948][   T72]      addrconf_prefix_route+0x2a6/0x430
[  457.989948][   T72]      inet6_addr_add+0x4f8/0xa40
[  457.989948][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  457.989948][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  457.989948][   T72]      netlink_rcv_skb+0x130/0x360
[  457.989948][   T72]      netlink_unicast+0x449/0x710
[  457.989948][   T72]      netlink_sendmsg+0x723/0xbe0
[  457.989948][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  457.989948][   T72]      ___sys_sendmsg+0xee/0x170
[  457.989948][   T72]      __sys_sendmsg+0xcd/0x170
[  457.989948][   T72]      do_syscall_64+0xc6/0x1e0
[  457.989948][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  457.989948][   T72] 
[  457.991985][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  457.991985][   T72]      netdev_get_by_index+0x5e/0x80
[  457.991985][   T72]      fib6_nh_init+0x3d8/0x1580
[  457.991985][   T72]      ip6_route_info_create+0xf18/0x17d0
[  457.991985][   T72]      addrconf_f6i_alloc+0x315/0x560
[  457.991985][   T72]      ipv6_add_addr+0x411/0x2000
[  457.991985][   T72]      inet6_addr_add+0x30e/0xa40
[  457.991985][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  457.991985][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  457.991985][   T72]      netlink_rcv_skb+0x130/0x360
[  457.991985][   T72]      netlink_unicast+0x449/0x710
[  457.991985][   T72]      netlink_sendmsg+0x723/0xbe0
[  457.991985][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  457.991985][   T72]      ___sys_sendmsg+0xee/0x170
[  457.991985][   T72]      __sys_sendmsg+0xcd/0x170
[  457.991985][   T72]      do_syscall_64+0xc6/0x1e0
[  457.991985][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  457.991985][   T72] 
[  457.994074][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  457.994074][   T72]      netdev_get_by_index+0x5e/0x80
[  457.994074][   T72]      fib6_nh_init+0x3d8/0x1580
[  457.994074][   T72]      ip6_route_info_create+0xf18/0x17d0
[  457.994074][   T72]      ip6_route_add+0x1c/0x140
[  457.994074][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  457.994074][   T72]      addrconf_add_dev+0xe2/0x170
[  457.994074][   T72]      inet6_addr_add+0x12f/0xa40
[  457.994074][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  457.994074][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  457.994074][   T72]      netlink_rcv_skb+0x130/0x360
[  457.994074][   T72]      netlink_unicast+0x449/0x710
[  457.994074][   T72]      netlink_sendmsg+0x723/0xbe0
[  457.994074][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  457.994074][   T72]      ___sys_sendmsg+0xee/0x170
[  457.994074][   T72]      __sys_sendmsg+0xcd/0x170
[  457.994074][   T72]      do_syscall_64+0xc6/0x1e0
[  457.994074][   T72] 
[  457.996111][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  457.996111][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  457.996111][   T72]      ipv6_find_idev+0x102/0x170
[  457.996111][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  457.996111][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  457.996111][   T72]      netlink_rcv_skb+0x130/0x360
[  457.996111][   T72]      netlink_unicast+0x449/0x710
[  457.996111][   T72]      netlink_sendmsg+0x723/0xbe0
[  457.996111][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  457.996111][   T72]      ___sys_sendmsg+0xee/0x170
[  457.996111][   T72]      __sys_sendmsg+0xcd/0x170
[  457.996111][   T72]      do_syscall_64+0xc6/0x1e0
[  457.996111][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  457.996111][   T72] 
[  457.997710][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  457.997710][   T72]      neigh_parms_alloc+0x1e5/0x510
[  457.997710][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  457.997710][   T72]      ipv6_find_idev+0x102/0x170
[  457.997710][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  457.997710][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  457.997710][   T72]      netlink_rcv_skb+0x130/0x360
[  457.997710][   T72]      netlink_unicast+0x449/0x710
[  457.997710][   T72]      netlink_sendmsg+0x723/0xbe0
[  457.997710][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  457.997710][   T72]      ___sys_sendmsg+0xee/0x170
[  457.997710][   T72]      __sys_sendmsg+0xcd/0x170
[  457.997710][   T72]      do_syscall_64+0xc6/0x1e0
[  457.997710][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  457.997710][   T72] 
[  468.095925][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  468.096346][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  468.096346][   T72]      netdev_get_by_index+0x5e/0x80
[  468.096346][   T72]      fib6_nh_init+0x3d8/0x1580
[  468.096346][   T72]      ip6_route_info_create+0xf18/0x17d0
[  468.096346][   T72]      addrconf_f6i_alloc+0x315/0x560
[  468.096346][   T72]      ipv6_add_addr+0x411/0x2000
[  468.096346][   T72]      inet6_addr_add+0x30e/0xa40
[  468.096346][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  468.096346][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.096346][   T72]      netlink_rcv_skb+0x130/0x360
[  468.096346][   T72]      netlink_unicast+0x449/0x710
[  468.096346][   T72]      netlink_sendmsg+0x723/0xbe0
[  468.096346][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  468.096346][   T72]      ___sys_sendmsg+0xee/0x170
[  468.096346][   T72]      __sys_sendmsg+0xcd/0x170
[  468.096346][   T72]      do_syscall_64+0xc6/0x1e0
[  468.096346][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.096346][   T72] 
[  468.098424][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  468.098424][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  468.098424][   T72]      ipv6_find_idev+0x102/0x170
[  468.098424][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  468.098424][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.098424][   T72]      netlink_rcv_skb+0x130/0x360
[  468.098424][   T72]      netlink_unicast+0x449/0x710
[  468.098424][   T72]      netlink_sendmsg+0x723/0xbe0
[  468.098424][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  468.098424][   T72]      ___sys_sendmsg+0xee/0x170
[  468.098424][   T72]      __sys_sendmsg+0xcd/0x170
[  468.098424][   T72]      do_syscall_64+0xc6/0x1e0
[  468.098424][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.098424][   T72] 
[  468.099989][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  468.099989][   T72]      neigh_parms_alloc+0x1e5/0x510
[  468.099989][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  468.099989][   T72]      ipv6_find_idev+0x102/0x170
[  468.099989][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  468.099989][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.099989][   T72]      netlink_rcv_skb+0x130/0x360
[  468.099989][   T72]      netlink_unicast+0x449/0x710
[  468.099989][   T72]      netlink_sendmsg+0x723/0xbe0
[  468.099989][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  468.099989][   T72]      ___sys_sendmsg+0xee/0x170
[  468.099989][   T72]      __sys_sendmsg+0xcd/0x170
[  468.099989][   T72]      do_syscall_64+0xc6/0x1e0
[  468.099989][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.099989][   T72] 
[  468.101798][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  468.102053][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  468.102053][   T72]      netdev_get_by_index+0x5e/0x80
[  468.102053][   T72]      fib6_nh_init+0x3d8/0x1580
[  468.102053][   T72]      ip6_route_info_create+0xf18/0x17d0
[  468.102053][   T72]      ip6_route_add+0x1c/0x140
[  468.102053][   T72]      addrconf_prefix_route+0x2a6/0x430
[  468.102053][   T72]      inet6_addr_add+0x4f8/0xa40
[  468.102053][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  468.102053][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.102053][   T72]      netlink_rcv_skb+0x130/0x360
[  468.102053][   T72]      netlink_unicast+0x449/0x710
[  468.102053][   T72]      netlink_sendmsg+0x723/0xbe0
[  468.102053][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  468.102053][   T72]      ___sys_sendmsg+0xee/0x170
[  468.102053][   T72]      __sys_sendmsg+0xcd/0x170
[  468.102053][   T72]      do_syscall_64+0xc6/0x1e0
[  468.102053][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.102053][   T72] 
[  468.104078][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  468.104078][   T72]      netdev_get_by_index+0x5e/0x80
[  468.104078][   T72]      fib6_nh_init+0x3d8/0x1580
[  468.104078][   T72]      ip6_route_info_create+0xf18/0x17d0
[  468.104078][   T72]      addrconf_f6i_alloc+0x315/0x560
[  468.104078][   T72]      ipv6_add_addr+0x411/0x2000
[  468.104078][   T72]      inet6_addr_add+0x30e/0xa40
[  468.104078][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  468.104078][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.104078][   T72]      netlink_rcv_skb+0x130/0x360
[  468.104078][   T72]      netlink_unicast+0x449/0x710
[  468.104078][   T72]      netlink_sendmsg+0x723/0xbe0
[  468.104078][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  468.104078][   T72]      ___sys_sendmsg+0xee/0x170
[  468.104078][   T72]      __sys_sendmsg+0xcd/0x170
[  468.104078][   T72]      do_syscall_64+0xc6/0x1e0
[  468.104078][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.104078][   T72] 
[  468.106098][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  468.106098][   T72]      netdev_get_by_index+0x5e/0x80
[  468.106098][   T72]      fib6_nh_init+0x3d8/0x1580
[  468.106098][   T72]      ip6_route_info_create+0xf18/0x17d0
[  468.106098][   T72]      ip6_route_add+0x1c/0x140
[  468.106098][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  468.106098][   T72]      addrconf_add_dev+0xe2/0x170
[  468.106098][   T72]      inet6_addr_add+0x12f/0xa40
[  468.106098][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  468.106098][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.106098][   T72]      netlink_rcv_skb+0x130/0x360
[  468.106098][   T72]      netlink_unicast+0x449/0x710
[  468.106098][   T72]      netlink_sendmsg+0x723/0xbe0
[  468.106098][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  468.106098][   T72]      ___sys_sendmsg+0xee/0x170
[  468.106098][   T72]      __sys_sendmsg+0xcd/0x170
[  468.106098][   T72]      do_syscall_64+0xc6/0x1e0
[  468.106098][   T72] 
[  468.108082][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  468.108082][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  468.108082][   T72]      ipv6_find_idev+0x102/0x170
[  468.108082][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  468.108082][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.108082][   T72]      netlink_rcv_skb+0x130/0x360
[  468.108082][   T72]      netlink_unicast+0x449/0x710
[  468.108082][   T72]      netlink_sendmsg+0x723/0xbe0
[  468.108082][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  468.108082][   T72]      ___sys_sendmsg+0xee/0x170
[  468.108082][   T72]      __sys_sendmsg+0xcd/0x170
[  468.108082][   T72]      do_syscall_64+0xc6/0x1e0
[  468.108082][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.108082][   T72] 
[  468.109644][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  468.109644][   T72]      neigh_parms_alloc+0x1e5/0x510
[  468.109644][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  468.109644][   T72]      ipv6_find_idev+0x102/0x170
[  468.109644][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  468.109644][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.109644][   T72]      netlink_rcv_skb+0x130/0x360
[  468.109644][   T72]      netlink_unicast+0x449/0x710
[  468.109644][   T72]      netlink_sendmsg+0x723/0xbe0
[  468.109644][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  468.109644][   T72]      ___sys_sendmsg+0xee/0x170
[  468.109644][   T72]      __sys_sendmsg+0xcd/0x170
[  468.109644][   T72]      do_syscall_64+0xc6/0x1e0
[  468.109644][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.109644][   T72] 
[  478.351884][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  478.352323][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  478.352323][   T72]      netdev_get_by_index+0x5e/0x80
[  478.352323][   T72]      fib6_nh_init+0x3d8/0x1580
[  478.352323][   T72]      ip6_route_info_create+0xf18/0x17d0
[  478.352323][   T72]      addrconf_f6i_alloc+0x315/0x560
[  478.352323][   T72]      ipv6_add_addr+0x411/0x2000
[  478.352323][   T72]      inet6_addr_add+0x30e/0xa40
[  478.352323][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  478.352323][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.352323][   T72]      netlink_rcv_skb+0x130/0x360
[  478.352323][   T72]      netlink_unicast+0x449/0x710
[  478.352323][   T72]      netlink_sendmsg+0x723/0xbe0
[  478.352323][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  478.352323][   T72]      ___sys_sendmsg+0xee/0x170
[  478.352323][   T72]      __sys_sendmsg+0xcd/0x170
[  478.352323][   T72]      do_syscall_64+0xc6/0x1e0
[  478.352323][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.352323][   T72] 
[  478.354372][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  478.354372][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  478.354372][   T72]      ipv6_find_idev+0x102/0x170
[  478.354372][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  478.354372][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.354372][   T72]      netlink_rcv_skb+0x130/0x360
[  478.354372][   T72]      netlink_unicast+0x449/0x710
[  478.354372][   T72]      netlink_sendmsg+0x723/0xbe0
[  478.354372][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  478.354372][   T72]      ___sys_sendmsg+0xee/0x170
[  478.354372][   T72]      __sys_sendmsg+0xcd/0x170
[  478.354372][   T72]      do_syscall_64+0xc6/0x1e0
[  478.354372][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.354372][   T72] 
[  478.356035][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  478.356035][   T72]      neigh_parms_alloc+0x1e5/0x510
[  478.356035][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  478.356035][   T72]      ipv6_find_idev+0x102/0x170
[  478.356035][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  478.356035][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.356035][   T72]      netlink_rcv_skb+0x130/0x360
[  478.356035][   T72]      netlink_unicast+0x449/0x710
[  478.356035][   T72]      netlink_sendmsg+0x723/0xbe0
[  478.356035][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  478.356035][   T72]      ___sys_sendmsg+0xee/0x170
[  478.356035][   T72]      __sys_sendmsg+0xcd/0x170
[  478.356035][   T72]      do_syscall_64+0xc6/0x1e0
[  478.356035][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.356035][   T72] 
[  478.357742][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  478.358000][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  478.358000][   T72]      netdev_get_by_index+0x5e/0x80
[  478.358000][   T72]      fib6_nh_init+0x3d8/0x1580
[  478.358000][   T72]      ip6_route_info_create+0xf18/0x17d0
[  478.358000][   T72]      ip6_route_add+0x1c/0x140
[  478.358000][   T72]      addrconf_prefix_route+0x2a6/0x430
[  478.358000][   T72]      inet6_addr_add+0x4f8/0xa40
[  478.358000][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  478.358000][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.358000][   T72]      netlink_rcv_skb+0x130/0x360
[  478.358000][   T72]      netlink_unicast+0x449/0x710
[  478.358000][   T72]      netlink_sendmsg+0x723/0xbe0
[  478.358000][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  478.358000][   T72]      ___sys_sendmsg+0xee/0x170
[  478.358000][   T72]      __sys_sendmsg+0xcd/0x170
[  478.358000][   T72]      do_syscall_64+0xc6/0x1e0
[  478.358000][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.358000][   T72] 
[  478.360045][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  478.360045][   T72]      netdev_get_by_index+0x5e/0x80
[  478.360045][   T72]      fib6_nh_init+0x3d8/0x1580
[  478.360045][   T72]      ip6_route_info_create+0xf18/0x17d0
[  478.360045][   T72]      addrconf_f6i_alloc+0x315/0x560
[  478.360045][   T72]      ipv6_add_addr+0x411/0x2000
[  478.360045][   T72]      inet6_addr_add+0x30e/0xa40
[  478.360045][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  478.360045][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.360045][   T72]      netlink_rcv_skb+0x130/0x360
[  478.360045][   T72]      netlink_unicast+0x449/0x710
[  478.360045][   T72]      netlink_sendmsg+0x723/0xbe0
[  478.360045][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  478.360045][   T72]      ___sys_sendmsg+0xee/0x170
[  478.360045][   T72]      __sys_sendmsg+0xcd/0x170
[  478.360045][   T72]      do_syscall_64+0xc6/0x1e0
[  478.360045][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.360045][   T72] 
[  478.362096][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  478.362096][   T72]      netdev_get_by_index+0x5e/0x80
[  478.362096][   T72]      fib6_nh_init+0x3d8/0x1580
[  478.362096][   T72]      ip6_route_info_create+0xf18/0x17d0
[  478.362096][   T72]      ip6_route_add+0x1c/0x140
[  478.362096][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  478.362096][   T72]      addrconf_add_dev+0xe2/0x170
[  478.362096][   T72]      inet6_addr_add+0x12f/0xa40
[  478.362096][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  478.362096][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.362096][   T72]      netlink_rcv_skb+0x130/0x360
[  478.362096][   T72]      netlink_unicast+0x449/0x710
[  478.362096][   T72]      netlink_sendmsg+0x723/0xbe0
[  478.362096][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  478.362096][   T72]      ___sys_sendmsg+0xee/0x170
[  478.362096][   T72]      __sys_sendmsg+0xcd/0x170
[  478.362096][   T72]      do_syscall_64+0xc6/0x1e0
[  478.362096][   T72] 
[  478.364082][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  478.364082][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  478.364082][   T72]      ipv6_find_idev+0x102/0x170
[  478.364082][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  478.364082][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.364082][   T72]      netlink_rcv_skb+0x130/0x360
[  478.364082][   T72]      netlink_unicast+0x449/0x710
[  478.364082][   T72]      netlink_sendmsg+0x723/0xbe0
[  478.364082][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  478.364082][   T72]      ___sys_sendmsg+0xee/0x170
[  478.364082][   T72]      __sys_sendmsg+0xcd/0x170
[  478.364082][   T72]      do_syscall_64+0xc6/0x1e0
[  478.364082][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.364082][   T72] 
[  478.365637][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  478.365637][   T72]      neigh_parms_alloc+0x1e5/0x510
[  478.365637][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  478.365637][   T72]      ipv6_find_idev+0x102/0x170
[  478.365637][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  478.365637][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.365637][   T72]      netlink_rcv_skb+0x130/0x360
[  478.365637][   T72]      netlink_unicast+0x449/0x710
[  478.365637][   T72]      netlink_sendmsg+0x723/0xbe0
[  478.365637][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  478.365637][   T72]      ___sys_sendmsg+0xee/0x170
[  478.365637][   T72]      __sys_sendmsg+0xcd/0x170
[  478.365637][   T72]      do_syscall_64+0xc6/0x1e0
[  478.365637][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.365637][   T72] 
[  488.615874][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  488.616364][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  488.616364][   T72]      netdev_get_by_index+0x5e/0x80
[  488.616364][   T72]      fib6_nh_init+0x3d8/0x1580
[  488.616364][   T72]      ip6_route_info_create+0xf18/0x17d0
[  488.616364][   T72]      addrconf_f6i_alloc+0x315/0x560
[  488.616364][   T72]      ipv6_add_addr+0x411/0x2000
[  488.616364][   T72]      inet6_addr_add+0x30e/0xa40
[  488.616364][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  488.616364][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.616364][   T72]      netlink_rcv_skb+0x130/0x360
[  488.616364][   T72]      netlink_unicast+0x449/0x710
[  488.616364][   T72]      netlink_sendmsg+0x723/0xbe0
[  488.616364][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  488.616364][   T72]      ___sys_sendmsg+0xee/0x170
[  488.616364][   T72]      __sys_sendmsg+0xcd/0x170
[  488.616364][   T72]      do_syscall_64+0xc6/0x1e0
[  488.616364][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.616364][   T72] 
[  488.618689][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  488.618689][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  488.618689][   T72]      ipv6_find_idev+0x102/0x170
[  488.618689][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  488.618689][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.618689][   T72]      netlink_rcv_skb+0x130/0x360
[  488.618689][   T72]      netlink_unicast+0x449/0x710
[  488.618689][   T72]      netlink_sendmsg+0x723/0xbe0
[  488.618689][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  488.618689][   T72]      ___sys_sendmsg+0xee/0x170
[  488.618689][   T72]      __sys_sendmsg+0xcd/0x170
[  488.618689][   T72]      do_syscall_64+0xc6/0x1e0
[  488.618689][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.618689][   T72] 
[  488.620436][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  488.620436][   T72]      neigh_parms_alloc+0x1e5/0x510
[  488.620436][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  488.620436][   T72]      ipv6_find_idev+0x102/0x170
[  488.620436][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  488.620436][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.620436][   T72]      netlink_rcv_skb+0x130/0x360
[  488.620436][   T72]      netlink_unicast+0x449/0x710
[  488.620436][   T72]      netlink_sendmsg+0x723/0xbe0
[  488.620436][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  488.620436][   T72]      ___sys_sendmsg+0xee/0x170
[  488.620436][   T72]      __sys_sendmsg+0xcd/0x170
[  488.620436][   T72]      do_syscall_64+0xc6/0x1e0
[  488.620436][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.620436][   T72] 
[  488.622365][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  488.622634][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  488.622634][   T72]      netdev_get_by_index+0x5e/0x80
[  488.622634][   T72]      fib6_nh_init+0x3d8/0x1580
[  488.622634][   T72]      ip6_route_info_create+0xf18/0x17d0
[  488.622634][   T72]      ip6_route_add+0x1c/0x140
[  488.622634][   T72]      addrconf_prefix_route+0x2a6/0x430
[  488.622634][   T72]      inet6_addr_add+0x4f8/0xa40
[  488.622634][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  488.622634][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.622634][   T72]      netlink_rcv_skb+0x130/0x360
[  488.622634][   T72]      netlink_unicast+0x449/0x710
[  488.622634][   T72]      netlink_sendmsg+0x723/0xbe0
[  488.622634][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  488.622634][   T72]      ___sys_sendmsg+0xee/0x170
[  488.622634][   T72]      __sys_sendmsg+0xcd/0x170
[  488.622634][   T72]      do_syscall_64+0xc6/0x1e0
[  488.622634][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.622634][   T72] 
[  488.624947][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  488.624947][   T72]      netdev_get_by_index+0x5e/0x80
[  488.624947][   T72]      fib6_nh_init+0x3d8/0x1580
[  488.624947][   T72]      ip6_route_info_create+0xf18/0x17d0
[  488.624947][   T72]      addrconf_f6i_alloc+0x315/0x560
[  488.624947][   T72]      ipv6_add_addr+0x411/0x2000
[  488.624947][   T72]      inet6_addr_add+0x30e/0xa40
[  488.624947][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  488.624947][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.624947][   T72]      netlink_rcv_skb+0x130/0x360
[  488.624947][   T72]      netlink_unicast+0x449/0x710
[  488.624947][   T72]      netlink_sendmsg+0x723/0xbe0
[  488.624947][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  488.624947][   T72]      ___sys_sendmsg+0xee/0x170
[  488.624947][   T72]      __sys_sendmsg+0xcd/0x170
[  488.624947][   T72]      do_syscall_64+0xc6/0x1e0
[  488.624947][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.624947][   T72] 
[  488.627215][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  488.627215][   T72]      netdev_get_by_index+0x5e/0x80
[  488.627215][   T72]      fib6_nh_init+0x3d8/0x1580
[  488.627215][   T72]      ip6_route_info_create+0xf18/0x17d0
[  488.627215][   T72]      ip6_route_add+0x1c/0x140
[  488.627215][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  488.627215][   T72]      addrconf_add_dev+0xe2/0x170
[  488.627215][   T72]      inet6_addr_add+0x12f/0xa40
[  488.627215][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  488.627215][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.627215][   T72]      netlink_rcv_skb+0x130/0x360
[  488.627215][   T72]      netlink_unicast+0x449/0x710
[  488.627215][   T72]      netlink_sendmsg+0x723/0xbe0
[  488.627215][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  488.627215][   T72]      ___sys_sendmsg+0xee/0x170
[  488.627215][   T72]      __sys_sendmsg+0xcd/0x170
[  488.627215][   T72]      do_syscall_64+0xc6/0x1e0
[  488.627215][   T72] 
[  488.629476][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  488.629476][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  488.629476][   T72]      ipv6_find_idev+0x102/0x170
[  488.629476][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  488.629476][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.629476][   T72]      netlink_rcv_skb+0x130/0x360
[  488.629476][   T72]      netlink_unicast+0x449/0x710
[  488.629476][   T72]      netlink_sendmsg+0x723/0xbe0
[  488.629476][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  488.629476][   T72]      ___sys_sendmsg+0xee/0x170
[  488.629476][   T72]      __sys_sendmsg+0xcd/0x170
[  488.629476][   T72]      do_syscall_64+0xc6/0x1e0
[  488.629476][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.629476][   T72] 
[  488.631280][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  488.631280][   T72]      neigh_parms_alloc+0x1e5/0x510
[  488.631280][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  488.631280][   T72]      ipv6_find_idev+0x102/0x170
[  488.631280][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  488.631280][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.631280][   T72]      netlink_rcv_skb+0x130/0x360
[  488.631280][   T72]      netlink_unicast+0x449/0x710
[  488.631280][   T72]      netlink_sendmsg+0x723/0xbe0
[  488.631280][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  488.631280][   T72]      ___sys_sendmsg+0xee/0x170
[  488.631280][   T72]      __sys_sendmsg+0xcd/0x170
[  488.631280][   T72]      do_syscall_64+0xc6/0x1e0
[  488.631280][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.631280][   T72] 
[  492.839918][   T42] INFO: task modprobe:456 blocked for more than 368 seconds.
[  492.840256][   T42]       Not tainted 6.8.0-virtme #1
[  492.840405][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  492.840666][   T42] task:modprobe        state:D stack:25648 pid:456   tgid:456   ppid:39     flags:0x00004002
[  492.841005][   T42] Call Trace:
[  492.841124][   T42]  <TASK>
[  492.841223][   T42]  __schedule+0x705/0x1ac0
[  492.841401][   T42]  ? __pfx___schedule+0x10/0x10
[  492.841560][   T42]  ? schedule+0x1a5/0x210
[  492.841680][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  492.841857][   T42]  ? mark_lock+0x38/0x3e0
[  492.841975][   T42]  ? do_raw_spin_lock+0x131/0x270
[  492.842136][   T42]  ? schedule+0x1a5/0x210
[  492.842262][   T42]  schedule+0xdf/0x210
[  492.842379][   T42]  schedule_preempt_disabled+0x15/0x30
[  492.842536][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[  492.842698][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[  492.842903][   T42]  ? kasan_save_stack+0x34/0x50
[  492.843058][   T42]  ? kasan_save_stack+0x24/0x50
[  492.843212][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  492.843379][   T42]  ? lock_acquire+0x1c1/0x220
[  492.843536][   T42]  ? register_pernet_subsys+0x1a/0x50
[  492.843703][   T42]  down_write+0x1c9/0x200
[  492.843826][   T42]  ? __pfx_down_write+0x10/0x10
[  492.843981][   T42]  ? __pfx___lock_release+0x10/0x10
[  492.844139][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[  492.844375][   T42]  register_pernet_subsys+0x1a/0x50
[  492.844530][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[  492.844753][   T42]  do_one_initcall+0xc8/0x3f0
[  492.844921][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[  492.845081][   T42]  ? __create_object+0x5e/0xb0
[  492.845238][   T42]  ? kasan_unpoison+0x27/0x60
[  492.845400][   T42]  do_init_module+0x233/0x740
[  492.845570][   T42]  load_module+0x16b5/0x2350
[  492.845737][   T42]  ? __pfx_load_module+0x10/0x10
[  492.845914][   T42]  ? kernel_read_file+0x3d2/0x520
[  492.846073][   T42]  ? kernel_read_file+0x300/0x520
[  492.846232][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[  492.846398][   T42]  ? init_module_from_file+0xd2/0x130
[  492.846551][   T42]  init_module_from_file+0xd2/0x130
[  492.846708][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[  492.846910][   T42]  ? __lock_release+0x103/0x460
[  492.847081][   T42]  ? idempotent_init_module+0x32a/0x620
[  492.847260][   T42]  ? idempotent_init_module+0x32a/0x620
[  492.847416][   T42]  ? do_raw_spin_unlock+0x58/0x220
[  492.847578][   T42]  idempotent_init_module+0x342/0x620
[  492.847740][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[  492.847962][   T42]  __x64_sys_finit_module+0xbe/0x130
[  492.848114][   T42]  do_syscall_64+0xc6/0x1e0
[  492.848275][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  492.848471][   T42] RIP: 0033:0x7f93cc153e5d
[  492.848646][   T42] RSP: 002b:00007fff97ff1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  492.848891][   T42] RAX: ffffffffffffffda RBX: 0000557c14f43e90 RCX: 00007f93cc153e5d
[  492.849122][   T42] RDX: 0000000000000000 RSI: 0000557bf5357a2a RDI: 0000000000000001
[  492.849353][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557c14f444f0
[  492.849580][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bf5357a2a
[  492.849841][   T42] R13: 0000557c14f43e40 R14: 0000557c14f44570 R15: 0000000000000000
[  492.850079][   T42]  </TASK>
[  492.850202][   T42] 
[  492.850202][   T42] Showing all locks held in the system:
[  492.850421][   T42] 2 locks held by kworker/u20:0/39:
[  492.850572][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  492.850895][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  492.851246][   T42] 1 lock held by khungtaskd/42:
[  492.851391][   T42]  #0: ffffffffa85591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[  492.851672][   T42] 3 locks held by kworker/u16:1/72:
[  492.851829][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  492.852132][   T42]  #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  492.852427][   T42]  #2: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[  492.852700][   T42] 1 lock held by modprobe/456:
[  492.852852][   T42]  #0: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[  492.853152][   T42] 
[  492.853227][   T42] =============================================
[  492.853227][   T42] 
[  498.639885][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  498.640322][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  498.640322][   T72]      netdev_get_by_index+0x5e/0x80
[  498.640322][   T72]      fib6_nh_init+0x3d8/0x1580
[  498.640322][   T72]      ip6_route_info_create+0xf18/0x17d0
[  498.640322][   T72]      addrconf_f6i_alloc+0x315/0x560
[  498.640322][   T72]      ipv6_add_addr+0x411/0x2000
[  498.640322][   T72]      inet6_addr_add+0x30e/0xa40
[  498.640322][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  498.640322][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.640322][   T72]      netlink_rcv_skb+0x130/0x360
[  498.640322][   T72]      netlink_unicast+0x449/0x710
[  498.640322][   T72]      netlink_sendmsg+0x723/0xbe0
[  498.640322][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  498.640322][   T72]      ___sys_sendmsg+0xee/0x170
[  498.640322][   T72]      __sys_sendmsg+0xcd/0x170
[  498.640322][   T72]      do_syscall_64+0xc6/0x1e0
[  498.640322][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.640322][   T72] 
[  498.642655][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  498.642655][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  498.642655][   T72]      ipv6_find_idev+0x102/0x170
[  498.642655][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  498.642655][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.642655][   T72]      netlink_rcv_skb+0x130/0x360
[  498.642655][   T72]      netlink_unicast+0x449/0x710
[  498.642655][   T72]      netlink_sendmsg+0x723/0xbe0
[  498.642655][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  498.642655][   T72]      ___sys_sendmsg+0xee/0x170
[  498.642655][   T72]      __sys_sendmsg+0xcd/0x170
[  498.642655][   T72]      do_syscall_64+0xc6/0x1e0
[  498.642655][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.642655][   T72] 
[  498.644462][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  498.644462][   T72]      neigh_parms_alloc+0x1e5/0x510
[  498.644462][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  498.644462][   T72]      ipv6_find_idev+0x102/0x170
[  498.644462][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  498.644462][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.644462][   T72]      netlink_rcv_skb+0x130/0x360
[  498.644462][   T72]      netlink_unicast+0x449/0x710
[  498.644462][   T72]      netlink_sendmsg+0x723/0xbe0
[  498.644462][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  498.644462][   T72]      ___sys_sendmsg+0xee/0x170
[  498.644462][   T72]      __sys_sendmsg+0xcd/0x170
[  498.644462][   T72]      do_syscall_64+0xc6/0x1e0
[  498.644462][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.644462][   T72] 
[  498.646428][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  498.646710][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  498.646710][   T72]      netdev_get_by_index+0x5e/0x80
[  498.646710][   T72]      fib6_nh_init+0x3d8/0x1580
[  498.646710][   T72]      ip6_route_info_create+0xf18/0x17d0
[  498.646710][   T72]      ip6_route_add+0x1c/0x140
[  498.646710][   T72]      addrconf_prefix_route+0x2a6/0x430
[  498.646710][   T72]      inet6_addr_add+0x4f8/0xa40
[  498.646710][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  498.646710][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.646710][   T72]      netlink_rcv_skb+0x130/0x360
[  498.646710][   T72]      netlink_unicast+0x449/0x710
[  498.646710][   T72]      netlink_sendmsg+0x723/0xbe0
[  498.646710][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  498.646710][   T72]      ___sys_sendmsg+0xee/0x170
[  498.646710][   T72]      __sys_sendmsg+0xcd/0x170
[  498.646710][   T72]      do_syscall_64+0xc6/0x1e0
[  498.646710][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.646710][   T72] 
[  498.649034][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  498.649034][   T72]      netdev_get_by_index+0x5e/0x80
[  498.649034][   T72]      fib6_nh_init+0x3d8/0x1580
[  498.649034][   T72]      ip6_route_info_create+0xf18/0x17d0
[  498.649034][   T72]      addrconf_f6i_alloc+0x315/0x560
[  498.649034][   T72]      ipv6_add_addr+0x411/0x2000
[  498.649034][   T72]      inet6_addr_add+0x30e/0xa40
[  498.649034][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  498.649034][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.649034][   T72]      netlink_rcv_skb+0x130/0x360
[  498.649034][   T72]      netlink_unicast+0x449/0x710
[  498.649034][   T72]      netlink_sendmsg+0x723/0xbe0
[  498.649034][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  498.649034][   T72]      ___sys_sendmsg+0xee/0x170
[  498.649034][   T72]      __sys_sendmsg+0xcd/0x170
[  498.649034][   T72]      do_syscall_64+0xc6/0x1e0
[  498.649034][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.649034][   T72] 
[  498.651357][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  498.651357][   T72]      netdev_get_by_index+0x5e/0x80
[  498.651357][   T72]      fib6_nh_init+0x3d8/0x1580
[  498.651357][   T72]      ip6_route_info_create+0xf18/0x17d0
[  498.651357][   T72]      ip6_route_add+0x1c/0x140
[  498.651357][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  498.651357][   T72]      addrconf_add_dev+0xe2/0x170
[  498.651357][   T72]      inet6_addr_add+0x12f/0xa40
[  498.651357][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  498.651357][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.651357][   T72]      netlink_rcv_skb+0x130/0x360
[  498.651357][   T72]      netlink_unicast+0x449/0x710
[  498.651357][   T72]      netlink_sendmsg+0x723/0xbe0
[  498.651357][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  498.651357][   T72]      ___sys_sendmsg+0xee/0x170
[  498.651357][   T72]      __sys_sendmsg+0xcd/0x170
[  498.651357][   T72]      do_syscall_64+0xc6/0x1e0
[  498.651357][   T72] 
[  498.653629][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  498.653629][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  498.653629][   T72]      ipv6_find_idev+0x102/0x170
[  498.653629][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  498.653629][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.653629][   T72]      netlink_rcv_skb+0x130/0x360
[  498.653629][   T72]      netlink_unicast+0x449/0x710
[  498.653629][   T72]      netlink_sendmsg+0x723/0xbe0
[  498.653629][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  498.653629][   T72]      ___sys_sendmsg+0xee/0x170
[  498.653629][   T72]      __sys_sendmsg+0xcd/0x170
[  498.653629][   T72]      do_syscall_64+0xc6/0x1e0
[  498.653629][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.653629][   T72] 
[  498.655414][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  498.655414][   T72]      neigh_parms_alloc+0x1e5/0x510
[  498.655414][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  498.655414][   T72]      ipv6_find_idev+0x102/0x170
[  498.655414][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  498.655414][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.655414][   T72]      netlink_rcv_skb+0x130/0x360
[  498.655414][   T72]      netlink_unicast+0x449/0x710
[  498.655414][   T72]      netlink_sendmsg+0x723/0xbe0
[  498.655414][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  498.655414][   T72]      ___sys_sendmsg+0xee/0x170
[  498.655414][   T72]      __sys_sendmsg+0xcd/0x170
[  498.655414][   T72]      do_syscall_64+0xc6/0x1e0
[  498.655414][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.655414][   T72] 
[  508.895826][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  508.896246][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  508.896246][   T72]      netdev_get_by_index+0x5e/0x80
[  508.896246][   T72]      fib6_nh_init+0x3d8/0x1580
[  508.896246][   T72]      ip6_route_info_create+0xf18/0x17d0
[  508.896246][   T72]      addrconf_f6i_alloc+0x315/0x560
[  508.896246][   T72]      ipv6_add_addr+0x411/0x2000
[  508.896246][   T72]      inet6_addr_add+0x30e/0xa40
[  508.896246][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  508.896246][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.896246][   T72]      netlink_rcv_skb+0x130/0x360
[  508.896246][   T72]      netlink_unicast+0x449/0x710
[  508.896246][   T72]      netlink_sendmsg+0x723/0xbe0
[  508.896246][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  508.896246][   T72]      ___sys_sendmsg+0xee/0x170
[  508.896246][   T72]      __sys_sendmsg+0xcd/0x170
[  508.896246][   T72]      do_syscall_64+0xc6/0x1e0
[  508.896246][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.896246][   T72] 
[  508.898601][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  508.898601][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  508.898601][   T72]      ipv6_find_idev+0x102/0x170
[  508.898601][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  508.898601][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.898601][   T72]      netlink_rcv_skb+0x130/0x360
[  508.898601][   T72]      netlink_unicast+0x449/0x710
[  508.898601][   T72]      netlink_sendmsg+0x723/0xbe0
[  508.898601][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  508.898601][   T72]      ___sys_sendmsg+0xee/0x170
[  508.898601][   T72]      __sys_sendmsg+0xcd/0x170
[  508.898601][   T72]      do_syscall_64+0xc6/0x1e0
[  508.898601][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.898601][   T72] 
[  508.900383][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  508.900383][   T72]      neigh_parms_alloc+0x1e5/0x510
[  508.900383][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  508.900383][   T72]      ipv6_find_idev+0x102/0x170
[  508.900383][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  508.900383][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.900383][   T72]      netlink_rcv_skb+0x130/0x360
[  508.900383][   T72]      netlink_unicast+0x449/0x710
[  508.900383][   T72]      netlink_sendmsg+0x723/0xbe0
[  508.900383][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  508.900383][   T72]      ___sys_sendmsg+0xee/0x170
[  508.900383][   T72]      __sys_sendmsg+0xcd/0x170
[  508.900383][   T72]      do_syscall_64+0xc6/0x1e0
[  508.900383][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.900383][   T72] 
[  508.902331][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  508.902605][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  508.902605][   T72]      netdev_get_by_index+0x5e/0x80
[  508.902605][   T72]      fib6_nh_init+0x3d8/0x1580
[  508.902605][   T72]      ip6_route_info_create+0xf18/0x17d0
[  508.902605][   T72]      ip6_route_add+0x1c/0x140
[  508.902605][   T72]      addrconf_prefix_route+0x2a6/0x430
[  508.902605][   T72]      inet6_addr_add+0x4f8/0xa40
[  508.902605][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  508.902605][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.902605][   T72]      netlink_rcv_skb+0x130/0x360
[  508.902605][   T72]      netlink_unicast+0x449/0x710
[  508.902605][   T72]      netlink_sendmsg+0x723/0xbe0
[  508.902605][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  508.902605][   T72]      ___sys_sendmsg+0xee/0x170
[  508.902605][   T72]      __sys_sendmsg+0xcd/0x170
[  508.902605][   T72]      do_syscall_64+0xc6/0x1e0
[  508.902605][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.902605][   T72] 
[  508.904907][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  508.904907][   T72]      netdev_get_by_index+0x5e/0x80
[  508.904907][   T72]      fib6_nh_init+0x3d8/0x1580
[  508.904907][   T72]      ip6_route_info_create+0xf18/0x17d0
[  508.904907][   T72]      addrconf_f6i_alloc+0x315/0x560
[  508.904907][   T72]      ipv6_add_addr+0x411/0x2000
[  508.904907][   T72]      inet6_addr_add+0x30e/0xa40
[  508.904907][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  508.904907][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.904907][   T72]      netlink_rcv_skb+0x130/0x360
[  508.904907][   T72]      netlink_unicast+0x449/0x710
[  508.904907][   T72]      netlink_sendmsg+0x723/0xbe0
[  508.904907][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  508.904907][   T72]      ___sys_sendmsg+0xee/0x170
[  508.904907][   T72]      __sys_sendmsg+0xcd/0x170
[  508.904907][   T72]      do_syscall_64+0xc6/0x1e0
[  508.904907][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.904907][   T72] 
[  508.907215][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  508.907215][   T72]      netdev_get_by_index+0x5e/0x80
[  508.907215][   T72]      fib6_nh_init+0x3d8/0x1580
[  508.907215][   T72]      ip6_route_info_create+0xf18/0x17d0
[  508.907215][   T72]      ip6_route_add+0x1c/0x140
[  508.907215][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  508.907215][   T72]      addrconf_add_dev+0xe2/0x170
[  508.907215][   T72]      inet6_addr_add+0x12f/0xa40
[  508.907215][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  508.907215][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.907215][   T72]      netlink_rcv_skb+0x130/0x360
[  508.907215][   T72]      netlink_unicast+0x449/0x710
[  508.907215][   T72]      netlink_sendmsg+0x723/0xbe0
[  508.907215][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  508.907215][   T72]      ___sys_sendmsg+0xee/0x170
[  508.907215][   T72]      __sys_sendmsg+0xcd/0x170
[  508.907215][   T72]      do_syscall_64+0xc6/0x1e0
[  508.907215][   T72] 
[  508.909480][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  508.909480][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  508.909480][   T72]      ipv6_find_idev+0x102/0x170
[  508.909480][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  508.909480][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.909480][   T72]      netlink_rcv_skb+0x130/0x360
[  508.909480][   T72]      netlink_unicast+0x449/0x710
[  508.909480][   T72]      netlink_sendmsg+0x723/0xbe0
[  508.909480][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  508.909480][   T72]      ___sys_sendmsg+0xee/0x170
[  508.909480][   T72]      __sys_sendmsg+0xcd/0x170
[  508.909480][   T72]      do_syscall_64+0xc6/0x1e0
[  508.909480][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.909480][   T72] 
[  508.911259][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  508.911259][   T72]      neigh_parms_alloc+0x1e5/0x510
[  508.911259][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  508.911259][   T72]      ipv6_find_idev+0x102/0x170
[  508.911259][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  508.911259][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.911259][   T72]      netlink_rcv_skb+0x130/0x360
[  508.911259][   T72]      netlink_unicast+0x449/0x710
[  508.911259][   T72]      netlink_sendmsg+0x723/0xbe0
[  508.911259][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  508.911259][   T72]      ___sys_sendmsg+0xee/0x170
[  508.911259][   T72]      __sys_sendmsg+0xcd/0x170
[  508.911259][   T72]      do_syscall_64+0xc6/0x1e0
[  508.911259][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.911259][   T72] 
[  519.151812][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  519.152254][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  519.152254][   T72]      netdev_get_by_index+0x5e/0x80
[  519.152254][   T72]      fib6_nh_init+0x3d8/0x1580
[  519.152254][   T72]      ip6_route_info_create+0xf18/0x17d0
[  519.152254][   T72]      addrconf_f6i_alloc+0x315/0x560
[  519.152254][   T72]      ipv6_add_addr+0x411/0x2000
[  519.152254][   T72]      inet6_addr_add+0x30e/0xa40
[  519.152254][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  519.152254][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.152254][   T72]      netlink_rcv_skb+0x130/0x360
[  519.152254][   T72]      netlink_unicast+0x449/0x710
[  519.152254][   T72]      netlink_sendmsg+0x723/0xbe0
[  519.152254][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  519.152254][   T72]      ___sys_sendmsg+0xee/0x170
[  519.152254][   T72]      __sys_sendmsg+0xcd/0x170
[  519.152254][   T72]      do_syscall_64+0xc6/0x1e0
[  519.152254][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.152254][   T72] 
[  519.154759][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  519.154759][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  519.154759][   T72]      ipv6_find_idev+0x102/0x170
[  519.154759][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  519.154759][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.154759][   T72]      netlink_rcv_skb+0x130/0x360
[  519.154759][   T72]      netlink_unicast+0x449/0x710
[  519.154759][   T72]      netlink_sendmsg+0x723/0xbe0
[  519.154759][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  519.154759][   T72]      ___sys_sendmsg+0xee/0x170
[  519.154759][   T72]      __sys_sendmsg+0xcd/0x170
[  519.154759][   T72]      do_syscall_64+0xc6/0x1e0
[  519.154759][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.154759][   T72] 
[  519.156643][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  519.156643][   T72]      neigh_parms_alloc+0x1e5/0x510
[  519.156643][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  519.156643][   T72]      ipv6_find_idev+0x102/0x170
[  519.156643][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  519.156643][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.156643][   T72]      netlink_rcv_skb+0x130/0x360
[  519.156643][   T72]      netlink_unicast+0x449/0x710
[  519.156643][   T72]      netlink_sendmsg+0x723/0xbe0
[  519.156643][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  519.156643][   T72]      ___sys_sendmsg+0xee/0x170
[  519.156643][   T72]      __sys_sendmsg+0xcd/0x170
[  519.156643][   T72]      do_syscall_64+0xc6/0x1e0
[  519.156643][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.156643][   T72] 
[  519.158754][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  519.159055][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  519.159055][   T72]      netdev_get_by_index+0x5e/0x80
[  519.159055][   T72]      fib6_nh_init+0x3d8/0x1580
[  519.159055][   T72]      ip6_route_info_create+0xf18/0x17d0
[  519.159055][   T72]      ip6_route_add+0x1c/0x140
[  519.159055][   T72]      addrconf_prefix_route+0x2a6/0x430
[  519.159055][   T72]      inet6_addr_add+0x4f8/0xa40
[  519.159055][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  519.159055][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.159055][   T72]      netlink_rcv_skb+0x130/0x360
[  519.159055][   T72]      netlink_unicast+0x449/0x710
[  519.159055][   T72]      netlink_sendmsg+0x723/0xbe0
[  519.159055][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  519.159055][   T72]      ___sys_sendmsg+0xee/0x170
[  519.159055][   T72]      __sys_sendmsg+0xcd/0x170
[  519.159055][   T72]      do_syscall_64+0xc6/0x1e0
[  519.159055][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.159055][   T72] 
[  519.161559][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  519.161559][   T72]      netdev_get_by_index+0x5e/0x80
[  519.161559][   T72]      fib6_nh_init+0x3d8/0x1580
[  519.161559][   T72]      ip6_route_info_create+0xf18/0x17d0
[  519.161559][   T72]      addrconf_f6i_alloc+0x315/0x560
[  519.161559][   T72]      ipv6_add_addr+0x411/0x2000
[  519.161559][   T72]      inet6_addr_add+0x30e/0xa40
[  519.161559][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  519.161559][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.161559][   T72]      netlink_rcv_skb+0x130/0x360
[  519.161559][   T72]      netlink_unicast+0x449/0x710
[  519.161559][   T72]      netlink_sendmsg+0x723/0xbe0
[  519.161559][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  519.161559][   T72]      ___sys_sendmsg+0xee/0x170
[  519.161559][   T72]      __sys_sendmsg+0xcd/0x170
[  519.161559][   T72]      do_syscall_64+0xc6/0x1e0
[  519.161559][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.161559][   T72] 
[  519.164091][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  519.164091][   T72]      netdev_get_by_index+0x5e/0x80
[  519.164091][   T72]      fib6_nh_init+0x3d8/0x1580
[  519.164091][   T72]      ip6_route_info_create+0xf18/0x17d0
[  519.164091][   T72]      ip6_route_add+0x1c/0x140
[  519.164091][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  519.164091][   T72]      addrconf_add_dev+0xe2/0x170
[  519.164091][   T72]      inet6_addr_add+0x12f/0xa40
[  519.164091][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  519.164091][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.164091][   T72]      netlink_rcv_skb+0x130/0x360
[  519.164091][   T72]      netlink_unicast+0x449/0x710
[  519.164091][   T72]      netlink_sendmsg+0x723/0xbe0
[  519.164091][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  519.164091][   T72]      ___sys_sendmsg+0xee/0x170
[  519.164091][   T72]      __sys_sendmsg+0xcd/0x170
[  519.164091][   T72]      do_syscall_64+0xc6/0x1e0
[  519.164091][   T72] 
[  519.166550][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  519.166550][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  519.166550][   T72]      ipv6_find_idev+0x102/0x170
[  519.166550][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  519.166550][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.166550][   T72]      netlink_rcv_skb+0x130/0x360
[  519.166550][   T72]      netlink_unicast+0x449/0x710
[  519.166550][   T72]      netlink_sendmsg+0x723/0xbe0
[  519.166550][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  519.166550][   T72]      ___sys_sendmsg+0xee/0x170
[  519.166550][   T72]      __sys_sendmsg+0xcd/0x170
[  519.166550][   T72]      do_syscall_64+0xc6/0x1e0
[  519.166550][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.166550][   T72] 
[  519.168459][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  519.168459][   T72]      neigh_parms_alloc+0x1e5/0x510
[  519.168459][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  519.168459][   T72]      ipv6_find_idev+0x102/0x170
[  519.168459][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  519.168459][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.168459][   T72]      netlink_rcv_skb+0x130/0x360
[  519.168459][   T72]      netlink_unicast+0x449/0x710
[  519.168459][   T72]      netlink_sendmsg+0x723/0xbe0
[  519.168459][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  519.168459][   T72]      ___sys_sendmsg+0xee/0x170
[  519.168459][   T72]      __sys_sendmsg+0xcd/0x170
[  519.168459][   T72]      do_syscall_64+0xc6/0x1e0
[  519.168459][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.168459][   T72] 
[  529.407882][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  529.408308][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  529.408308][   T72]      netdev_get_by_index+0x5e/0x80
[  529.408308][   T72]      fib6_nh_init+0x3d8/0x1580
[  529.408308][   T72]      ip6_route_info_create+0xf18/0x17d0
[  529.408308][   T72]      addrconf_f6i_alloc+0x315/0x560
[  529.408308][   T72]      ipv6_add_addr+0x411/0x2000
[  529.408308][   T72]      inet6_addr_add+0x30e/0xa40
[  529.408308][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  529.408308][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.408308][   T72]      netlink_rcv_skb+0x130/0x360
[  529.408308][   T72]      netlink_unicast+0x449/0x710
[  529.408308][   T72]      netlink_sendmsg+0x723/0xbe0
[  529.408308][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  529.408308][   T72]      ___sys_sendmsg+0xee/0x170
[  529.408308][   T72]      __sys_sendmsg+0xcd/0x170
[  529.408308][   T72]      do_syscall_64+0xc6/0x1e0
[  529.408308][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.408308][   T72] 
[  529.410616][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  529.410616][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  529.410616][   T72]      ipv6_find_idev+0x102/0x170
[  529.410616][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  529.410616][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.410616][   T72]      netlink_rcv_skb+0x130/0x360
[  529.410616][   T72]      netlink_unicast+0x449/0x710
[  529.410616][   T72]      netlink_sendmsg+0x723/0xbe0
[  529.410616][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  529.410616][   T72]      ___sys_sendmsg+0xee/0x170
[  529.410616][   T72]      __sys_sendmsg+0xcd/0x170
[  529.410616][   T72]      do_syscall_64+0xc6/0x1e0
[  529.410616][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.410616][   T72] 
[  529.412406][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  529.412406][   T72]      neigh_parms_alloc+0x1e5/0x510
[  529.412406][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  529.412406][   T72]      ipv6_find_idev+0x102/0x170
[  529.412406][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  529.412406][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.412406][   T72]      netlink_rcv_skb+0x130/0x360
[  529.412406][   T72]      netlink_unicast+0x449/0x710
[  529.412406][   T72]      netlink_sendmsg+0x723/0xbe0
[  529.412406][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  529.412406][   T72]      ___sys_sendmsg+0xee/0x170
[  529.412406][   T72]      __sys_sendmsg+0xcd/0x170
[  529.412406][   T72]      do_syscall_64+0xc6/0x1e0
[  529.412406][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.412406][   T72] 
[  529.414345][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  529.414614][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  529.414614][   T72]      netdev_get_by_index+0x5e/0x80
[  529.414614][   T72]      fib6_nh_init+0x3d8/0x1580
[  529.414614][   T72]      ip6_route_info_create+0xf18/0x17d0
[  529.414614][   T72]      ip6_route_add+0x1c/0x140
[  529.414614][   T72]      addrconf_prefix_route+0x2a6/0x430
[  529.414614][   T72]      inet6_addr_add+0x4f8/0xa40
[  529.414614][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  529.414614][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.414614][   T72]      netlink_rcv_skb+0x130/0x360
[  529.414614][   T72]      netlink_unicast+0x449/0x710
[  529.414614][   T72]      netlink_sendmsg+0x723/0xbe0
[  529.414614][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  529.414614][   T72]      ___sys_sendmsg+0xee/0x170
[  529.414614][   T72]      __sys_sendmsg+0xcd/0x170
[  529.414614][   T72]      do_syscall_64+0xc6/0x1e0
[  529.414614][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.414614][   T72] 
[  529.416913][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  529.416913][   T72]      netdev_get_by_index+0x5e/0x80
[  529.416913][   T72]      fib6_nh_init+0x3d8/0x1580
[  529.416913][   T72]      ip6_route_info_create+0xf18/0x17d0
[  529.416913][   T72]      addrconf_f6i_alloc+0x315/0x560
[  529.416913][   T72]      ipv6_add_addr+0x411/0x2000
[  529.416913][   T72]      inet6_addr_add+0x30e/0xa40
[  529.416913][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  529.416913][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.416913][   T72]      netlink_rcv_skb+0x130/0x360
[  529.416913][   T72]      netlink_unicast+0x449/0x710
[  529.416913][   T72]      netlink_sendmsg+0x723/0xbe0
[  529.416913][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  529.416913][   T72]      ___sys_sendmsg+0xee/0x170
[  529.416913][   T72]      __sys_sendmsg+0xcd/0x170
[  529.416913][   T72]      do_syscall_64+0xc6/0x1e0
[  529.416913][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.416913][   T72] 
[  529.419239][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  529.419239][   T72]      netdev_get_by_index+0x5e/0x80
[  529.419239][   T72]      fib6_nh_init+0x3d8/0x1580
[  529.419239][   T72]      ip6_route_info_create+0xf18/0x17d0
[  529.419239][   T72]      ip6_route_add+0x1c/0x140
[  529.419239][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  529.419239][   T72]      addrconf_add_dev+0xe2/0x170
[  529.419239][   T72]      inet6_addr_add+0x12f/0xa40
[  529.419239][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  529.419239][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.419239][   T72]      netlink_rcv_skb+0x130/0x360
[  529.419239][   T72]      netlink_unicast+0x449/0x710
[  529.419239][   T72]      netlink_sendmsg+0x723/0xbe0
[  529.419239][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  529.419239][   T72]      ___sys_sendmsg+0xee/0x170
[  529.419239][   T72]      __sys_sendmsg+0xcd/0x170
[  529.419239][   T72]      do_syscall_64+0xc6/0x1e0
[  529.419239][   T72] 
[  529.421522][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  529.421522][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  529.421522][   T72]      ipv6_find_idev+0x102/0x170
[  529.421522][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  529.421522][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.421522][   T72]      netlink_rcv_skb+0x130/0x360
[  529.421522][   T72]      netlink_unicast+0x449/0x710
[  529.421522][   T72]      netlink_sendmsg+0x723/0xbe0
[  529.421522][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  529.421522][   T72]      ___sys_sendmsg+0xee/0x170
[  529.421522][   T72]      __sys_sendmsg+0xcd/0x170
[  529.421522][   T72]      do_syscall_64+0xc6/0x1e0
[  529.421522][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.421522][   T72] 
[  529.423301][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  529.423301][   T72]      neigh_parms_alloc+0x1e5/0x510
[  529.423301][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  529.423301][   T72]      ipv6_find_idev+0x102/0x170
[  529.423301][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  529.423301][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.423301][   T72]      netlink_rcv_skb+0x130/0x360
[  529.423301][   T72]      netlink_unicast+0x449/0x710
[  529.423301][   T72]      netlink_sendmsg+0x723/0xbe0
[  529.423301][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  529.423301][   T72]      ___sys_sendmsg+0xee/0x170
[  529.423301][   T72]      __sys_sendmsg+0xcd/0x170
[  529.423301][   T72]      do_syscall_64+0xc6/0x1e0
[  529.423301][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.423301][   T72] 
[  539.591882][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  539.592320][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  539.592320][   T72]      netdev_get_by_index+0x5e/0x80
[  539.592320][   T72]      fib6_nh_init+0x3d8/0x1580
[  539.592320][   T72]      ip6_route_info_create+0xf18/0x17d0
[  539.592320][   T72]      addrconf_f6i_alloc+0x315/0x560
[  539.592320][   T72]      ipv6_add_addr+0x411/0x2000
[  539.592320][   T72]      inet6_addr_add+0x30e/0xa40
[  539.592320][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  539.592320][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.592320][   T72]      netlink_rcv_skb+0x130/0x360
[  539.592320][   T72]      netlink_unicast+0x449/0x710
[  539.592320][   T72]      netlink_sendmsg+0x723/0xbe0
[  539.592320][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  539.592320][   T72]      ___sys_sendmsg+0xee/0x170
[  539.592320][   T72]      __sys_sendmsg+0xcd/0x170
[  539.592320][   T72]      do_syscall_64+0xc6/0x1e0
[  539.592320][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.592320][   T72] 
[  539.594664][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  539.594664][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  539.594664][   T72]      ipv6_find_idev+0x102/0x170
[  539.594664][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  539.594664][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.594664][   T72]      netlink_rcv_skb+0x130/0x360
[  539.594664][   T72]      netlink_unicast+0x449/0x710
[  539.594664][   T72]      netlink_sendmsg+0x723/0xbe0
[  539.594664][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  539.594664][   T72]      ___sys_sendmsg+0xee/0x170
[  539.594664][   T72]      __sys_sendmsg+0xcd/0x170
[  539.594664][   T72]      do_syscall_64+0xc6/0x1e0
[  539.594664][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.594664][   T72] 
[  539.596444][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  539.596444][   T72]      neigh_parms_alloc+0x1e5/0x510
[  539.596444][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  539.596444][   T72]      ipv6_find_idev+0x102/0x170
[  539.596444][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  539.596444][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.596444][   T72]      netlink_rcv_skb+0x130/0x360
[  539.596444][   T72]      netlink_unicast+0x449/0x710
[  539.596444][   T72]      netlink_sendmsg+0x723/0xbe0
[  539.596444][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  539.596444][   T72]      ___sys_sendmsg+0xee/0x170
[  539.596444][   T72]      __sys_sendmsg+0xcd/0x170
[  539.596444][   T72]      do_syscall_64+0xc6/0x1e0
[  539.596444][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.596444][   T72] 
[  539.598378][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  539.598656][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  539.598656][   T72]      netdev_get_by_index+0x5e/0x80
[  539.598656][   T72]      fib6_nh_init+0x3d8/0x1580
[  539.598656][   T72]      ip6_route_info_create+0xf18/0x17d0
[  539.598656][   T72]      ip6_route_add+0x1c/0x140
[  539.598656][   T72]      addrconf_prefix_route+0x2a6/0x430
[  539.598656][   T72]      inet6_addr_add+0x4f8/0xa40
[  539.598656][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  539.598656][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.598656][   T72]      netlink_rcv_skb+0x130/0x360
[  539.598656][   T72]      netlink_unicast+0x449/0x710
[  539.598656][   T72]      netlink_sendmsg+0x723/0xbe0
[  539.598656][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  539.598656][   T72]      ___sys_sendmsg+0xee/0x170
[  539.598656][   T72]      __sys_sendmsg+0xcd/0x170
[  539.598656][   T72]      do_syscall_64+0xc6/0x1e0
[  539.598656][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.598656][   T72] 
[  539.600947][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  539.600947][   T72]      netdev_get_by_index+0x5e/0x80
[  539.600947][   T72]      fib6_nh_init+0x3d8/0x1580
[  539.600947][   T72]      ip6_route_info_create+0xf18/0x17d0
[  539.600947][   T72]      addrconf_f6i_alloc+0x315/0x560
[  539.600947][   T72]      ipv6_add_addr+0x411/0x2000
[  539.600947][   T72]      inet6_addr_add+0x30e/0xa40
[  539.600947][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  539.600947][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.600947][   T72]      netlink_rcv_skb+0x130/0x360
[  539.600947][   T72]      netlink_unicast+0x449/0x710
[  539.600947][   T72]      netlink_sendmsg+0x723/0xbe0
[  539.600947][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  539.600947][   T72]      ___sys_sendmsg+0xee/0x170
[  539.600947][   T72]      __sys_sendmsg+0xcd/0x170
[  539.600947][   T72]      do_syscall_64+0xc6/0x1e0
[  539.600947][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.600947][   T72] 
[  539.603240][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  539.603240][   T72]      netdev_get_by_index+0x5e/0x80
[  539.603240][   T72]      fib6_nh_init+0x3d8/0x1580
[  539.603240][   T72]      ip6_route_info_create+0xf18/0x17d0
[  539.603240][   T72]      ip6_route_add+0x1c/0x140
[  539.603240][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  539.603240][   T72]      addrconf_add_dev+0xe2/0x170
[  539.603240][   T72]      inet6_addr_add+0x12f/0xa40
[  539.603240][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  539.603240][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.603240][   T72]      netlink_rcv_skb+0x130/0x360
[  539.603240][   T72]      netlink_unicast+0x449/0x710
[  539.603240][   T72]      netlink_sendmsg+0x723/0xbe0
[  539.603240][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  539.603240][   T72]      ___sys_sendmsg+0xee/0x170
[  539.603240][   T72]      __sys_sendmsg+0xcd/0x170
[  539.603240][   T72]      do_syscall_64+0xc6/0x1e0
[  539.603240][   T72] 
[  539.605523][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  539.605523][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  539.605523][   T72]      ipv6_find_idev+0x102/0x170
[  539.605523][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  539.605523][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.605523][   T72]      netlink_rcv_skb+0x130/0x360
[  539.605523][   T72]      netlink_unicast+0x449/0x710
[  539.605523][   T72]      netlink_sendmsg+0x723/0xbe0
[  539.605523][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  539.605523][   T72]      ___sys_sendmsg+0xee/0x170
[  539.605523][   T72]      __sys_sendmsg+0xcd/0x170
[  539.605523][   T72]      do_syscall_64+0xc6/0x1e0
[  539.605523][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.605523][   T72] 
[  539.607304][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  539.607304][   T72]      neigh_parms_alloc+0x1e5/0x510
[  539.607304][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  539.607304][   T72]      ipv6_find_idev+0x102/0x170
[  539.607304][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  539.607304][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.607304][   T72]      netlink_rcv_skb+0x130/0x360
[  539.607304][   T72]      netlink_unicast+0x449/0x710
[  539.607304][   T72]      netlink_sendmsg+0x723/0xbe0
[  539.607304][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  539.607304][   T72]      ___sys_sendmsg+0xee/0x170
[  539.607304][   T72]      __sys_sendmsg+0xcd/0x170
[  539.607304][   T72]      do_syscall_64+0xc6/0x1e0
[  539.607304][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.607304][   T72] 
[  549.863891][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  549.864347][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  549.864347][   T72]      netdev_get_by_index+0x5e/0x80
[  549.864347][   T72]      fib6_nh_init+0x3d8/0x1580
[  549.864347][   T72]      ip6_route_info_create+0xf18/0x17d0
[  549.864347][   T72]      addrconf_f6i_alloc+0x315/0x560
[  549.864347][   T72]      ipv6_add_addr+0x411/0x2000
[  549.864347][   T72]      inet6_addr_add+0x30e/0xa40
[  549.864347][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  549.864347][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.864347][   T72]      netlink_rcv_skb+0x130/0x360
[  549.864347][   T72]      netlink_unicast+0x449/0x710
[  549.864347][   T72]      netlink_sendmsg+0x723/0xbe0
[  549.864347][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  549.864347][   T72]      ___sys_sendmsg+0xee/0x170
[  549.864347][   T72]      __sys_sendmsg+0xcd/0x170
[  549.864347][   T72]      do_syscall_64+0xc6/0x1e0
[  549.864347][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.864347][   T72] 
[  549.866907][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  549.866907][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  549.866907][   T72]      ipv6_find_idev+0x102/0x170
[  549.866907][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  549.866907][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.866907][   T72]      netlink_rcv_skb+0x130/0x360
[  549.866907][   T72]      netlink_unicast+0x449/0x710
[  549.866907][   T72]      netlink_sendmsg+0x723/0xbe0
[  549.866907][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  549.866907][   T72]      ___sys_sendmsg+0xee/0x170
[  549.866907][   T72]      __sys_sendmsg+0xcd/0x170
[  549.866907][   T72]      do_syscall_64+0xc6/0x1e0
[  549.866907][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.866907][   T72] 
[  549.868848][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  549.868848][   T72]      neigh_parms_alloc+0x1e5/0x510
[  549.868848][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  549.868848][   T72]      ipv6_find_idev+0x102/0x170
[  549.868848][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  549.868848][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.868848][   T72]      netlink_rcv_skb+0x130/0x360
[  549.868848][   T72]      netlink_unicast+0x449/0x710
[  549.868848][   T72]      netlink_sendmsg+0x723/0xbe0
[  549.868848][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  549.868848][   T72]      ___sys_sendmsg+0xee/0x170
[  549.868848][   T72]      __sys_sendmsg+0xcd/0x170
[  549.868848][   T72]      do_syscall_64+0xc6/0x1e0
[  549.868848][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.868848][   T72] 
[  549.870961][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  549.871251][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  549.871251][   T72]      netdev_get_by_index+0x5e/0x80
[  549.871251][   T72]      fib6_nh_init+0x3d8/0x1580
[  549.871251][   T72]      ip6_route_info_create+0xf18/0x17d0
[  549.871251][   T72]      ip6_route_add+0x1c/0x140
[  549.871251][   T72]      addrconf_prefix_route+0x2a6/0x430
[  549.871251][   T72]      inet6_addr_add+0x4f8/0xa40
[  549.871251][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  549.871251][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.871251][   T72]      netlink_rcv_skb+0x130/0x360
[  549.871251][   T72]      netlink_unicast+0x449/0x710
[  549.871251][   T72]      netlink_sendmsg+0x723/0xbe0
[  549.871251][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  549.871251][   T72]      ___sys_sendmsg+0xee/0x170
[  549.871251][   T72]      __sys_sendmsg+0xcd/0x170
[  549.871251][   T72]      do_syscall_64+0xc6/0x1e0
[  549.871251][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.871251][   T72] 
[  549.873766][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  549.873766][   T72]      netdev_get_by_index+0x5e/0x80
[  549.873766][   T72]      fib6_nh_init+0x3d8/0x1580
[  549.873766][   T72]      ip6_route_info_create+0xf18/0x17d0
[  549.873766][   T72]      addrconf_f6i_alloc+0x315/0x560
[  549.873766][   T72]      ipv6_add_addr+0x411/0x2000
[  549.873766][   T72]      inet6_addr_add+0x30e/0xa40
[  549.873766][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  549.873766][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.873766][   T72]      netlink_rcv_skb+0x130/0x360
[  549.873766][   T72]      netlink_unicast+0x449/0x710
[  549.873766][   T72]      netlink_sendmsg+0x723/0xbe0
[  549.873766][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  549.873766][   T72]      ___sys_sendmsg+0xee/0x170
[  549.873766][   T72]      __sys_sendmsg+0xcd/0x170
[  549.873766][   T72]      do_syscall_64+0xc6/0x1e0
[  549.873766][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.873766][   T72] 
[  549.876299][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  549.876299][   T72]      netdev_get_by_index+0x5e/0x80
[  549.876299][   T72]      fib6_nh_init+0x3d8/0x1580
[  549.876299][   T72]      ip6_route_info_create+0xf18/0x17d0
[  549.876299][   T72]      ip6_route_add+0x1c/0x140
[  549.876299][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  549.876299][   T72]      addrconf_add_dev+0xe2/0x170
[  549.876299][   T72]      inet6_addr_add+0x12f/0xa40
[  549.876299][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  549.876299][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.876299][   T72]      netlink_rcv_skb+0x130/0x360
[  549.876299][   T72]      netlink_unicast+0x449/0x710
[  549.876299][   T72]      netlink_sendmsg+0x723/0xbe0
[  549.876299][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  549.876299][   T72]      ___sys_sendmsg+0xee/0x170
[  549.876299][   T72]      __sys_sendmsg+0xcd/0x170
[  549.876299][   T72]      do_syscall_64+0xc6/0x1e0
[  549.876299][   T72] 
[  549.878548][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  549.878548][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  549.878548][   T72]      ipv6_find_idev+0x102/0x170
[  549.878548][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  549.878548][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.878548][   T72]      netlink_rcv_skb+0x130/0x360
[  549.878548][   T72]      netlink_unicast+0x449/0x710
[  549.878548][   T72]      netlink_sendmsg+0x723/0xbe0
[  549.878548][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  549.878548][   T72]      ___sys_sendmsg+0xee/0x170
[  549.878548][   T72]      __sys_sendmsg+0xcd/0x170
[  549.878548][   T72]      do_syscall_64+0xc6/0x1e0
[  549.878548][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.878548][   T72] 
[  549.880389][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  549.880389][   T72]      neigh_parms_alloc+0x1e5/0x510
[  549.880389][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  549.880389][   T72]      ipv6_find_idev+0x102/0x170
[  549.880389][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  549.880389][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.880389][   T72]      netlink_rcv_skb+0x130/0x360
[  549.880389][   T72]      netlink_unicast+0x449/0x710
[  549.880389][   T72]      netlink_sendmsg+0x723/0xbe0
[  549.880389][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  549.880389][   T72]      ___sys_sendmsg+0xee/0x170
[  549.880389][   T72]      __sys_sendmsg+0xcd/0x170
[  549.880389][   T72]      do_syscall_64+0xc6/0x1e0
[  549.880389][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.880389][   T72] 
[  560.135902][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  560.136390][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  560.136390][   T72]      netdev_get_by_index+0x5e/0x80
[  560.136390][   T72]      fib6_nh_init+0x3d8/0x1580
[  560.136390][   T72]      ip6_route_info_create+0xf18/0x17d0
[  560.136390][   T72]      addrconf_f6i_alloc+0x315/0x560
[  560.136390][   T72]      ipv6_add_addr+0x411/0x2000
[  560.136390][   T72]      inet6_addr_add+0x30e/0xa40
[  560.136390][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  560.136390][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  560.136390][   T72]      netlink_rcv_skb+0x130/0x360
[  560.136390][   T72]      netlink_unicast+0x449/0x710
[  560.136390][   T72]      netlink_sendmsg+0x723/0xbe0
[  560.136390][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  560.136390][   T72]      ___sys_sendmsg+0xee/0x170
[  560.136390][   T72]      __sys_sendmsg+0xcd/0x170
[  560.136390][   T72]      do_syscall_64+0xc6/0x1e0
[  560.136390][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  560.136390][   T72] 
[  560.138906][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  560.138906][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  560.138906][   T72]      ipv6_find_idev+0x102/0x170
[  560.138906][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  560.138906][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  560.138906][   T72]      netlink_rcv_skb+0x130/0x360
[  560.138906][   T72]      netlink_unicast+0x449/0x710
[  560.138906][   T72]      netlink_sendmsg+0x723/0xbe0
[  560.138906][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  560.138906][   T72]      ___sys_sendmsg+0xee/0x170
[  560.138906][   T72]      __sys_sendmsg+0xcd/0x170
[  560.138906][   T72]      do_syscall_64+0xc6/0x1e0
[  560.138906][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  560.138906][   T72] 
[  560.140835][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  560.140835][   T72]      neigh_parms_alloc+0x1e5/0x510
[  560.140835][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  560.140835][   T72]      ipv6_find_idev+0x102/0x170
[  560.140835][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  560.140835][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  560.140835][   T72]      netlink_rcv_skb+0x130/0x360
[  560.140835][   T72]      netlink_unicast+0x449/0x710
[  560.140835][   T72]      netlink_sendmsg+0x723/0xbe0
[  560.140835][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  560.140835][   T72]      ___sys_sendmsg+0xee/0x170
[  560.140835][   T72]      __sys_sendmsg+0xcd/0x170
[  560.140835][   T72]      do_syscall_64+0xc6/0x1e0
[  560.140835][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  560.140835][   T72] 
[  560.142985][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  560.143266][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  560.143266][   T72]      netdev_get_by_index+0x5e/0x80
[  560.143266][   T72]      fib6_nh_init+0x3d8/0x1580
[  560.143266][   T72]      ip6_route_info_create+0xf18/0x17d0
[  560.143266][   T72]      ip6_route_add+0x1c/0x140
[  560.143266][   T72]      addrconf_prefix_route+0x2a6/0x430
[  560.143266][   T72]      inet6_addr_add+0x4f8/0xa40
[  560.143266][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  560.143266][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  560.143266][   T72]      netlink_rcv_skb+0x130/0x360
[  560.143266][   T72]      netlink_unicast+0x449/0x710
[  560.143266][   T72]      netlink_sendmsg+0x723/0xbe0
[  560.143266][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  560.143266][   T72]      ___sys_sendmsg+0xee/0x170
[  560.143266][   T72]      __sys_sendmsg+0xcd/0x170
[  560.143266][   T72]      do_syscall_64+0xc6/0x1e0
[  560.143266][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  560.143266][   T72] 
[  560.145805][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  560.145805][   T72]      netdev_get_by_index+0x5e/0x80
[  560.145805][   T72]      fib6_nh_init+0x3d8/0x1580
[  560.145805][   T72]      ip6_route_info_create+0xf18/0x17d0
[  560.145805][   T72]      addrconf_f6i_alloc+0x315/0x560
[  560.145805][   T72]      ipv6_add_addr+0x411/0x2000
[  560.145805][   T72]      inet6_addr_add+0x30e/0xa40
[  560.145805][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  560.145805][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  560.145805][   T72]      netlink_rcv_skb+0x130/0x360
[  560.145805][   T72]      netlink_unicast+0x449/0x710
[  560.145805][   T72]      netlink_sendmsg+0x723/0xbe0
[  560.145805][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  560.145805][   T72]      ___sys_sendmsg+0xee/0x170
[  560.145805][   T72]      __sys_sendmsg+0xcd/0x170
[  560.145805][   T72]      do_syscall_64+0xc6/0x1e0
[  560.145805][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  560.145805][   T72] 
[  560.148326][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  560.148326][   T72]      netdev_get_by_index+0x5e/0x80
[  560.148326][   T72]      fib6_nh_init+0x3d8/0x1580
[  560.148326][   T72]      ip6_route_info_create+0xf18/0x17d0
[  560.148326][   T72]      ip6_route_add+0x1c/0x140
[  560.148326][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  560.148326][   T72]      addrconf_add_dev+0xe2/0x170
[  560.148326][   T72]      inet6_addr_add+0x12f/0xa40
[  560.148326][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  560.148326][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  560.148326][   T72]      netlink_rcv_skb+0x130/0x360
[  560.148326][   T72]      netlink_unicast+0x449/0x710
[  560.148326][   T72]      netlink_sendmsg+0x723/0xbe0
[  560.148326][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  560.148326][   T72]      ___sys_sendmsg+0xee/0x170
[  560.148326][   T72]      __sys_sendmsg+0xcd/0x170
[  560.148326][   T72]      do_syscall_64+0xc6/0x1e0
[  560.148326][   T72] 
[  560.150561][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  560.150561][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  560.150561][   T72]      ipv6_find_idev+0x102/0x170
[  560.150561][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  560.150561][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  560.150561][   T72]      netlink_rcv_skb+0x130/0x360
[  560.150561][   T72]      netlink_unicast+0x449/0x710
[  560.150561][   T72]      netlink_sendmsg+0x723/0xbe0
[  560.150561][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  560.150561][   T72]      ___sys_sendmsg+0xee/0x170
[  560.150561][   T72]      __sys_sendmsg+0xcd/0x170
[  560.150561][   T72]      do_syscall_64+0xc6/0x1e0
[  560.150561][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  560.150561][   T72] 
[  560.152308][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  560.152308][   T72]      neigh_parms_alloc+0x1e5/0x510
[  560.152308][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  560.152308][   T72]      ipv6_find_idev+0x102/0x170
[  560.152308][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  560.152308][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  560.152308][   T72]      netlink_rcv_skb+0x130/0x360
[  560.152308][   T72]      netlink_unicast+0x449/0x710
[  560.152308][   T72]      netlink_sendmsg+0x723/0xbe0
[  560.152308][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  560.152308][   T72]      ___sys_sendmsg+0xee/0x170
[  560.152308][   T72]      __sys_sendmsg+0xcd/0x170
[  560.152308][   T72]      do_syscall_64+0xc6/0x1e0
[  560.152308][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  560.152308][   T72] 
[  570.407878][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  570.408369][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  570.408369][   T72]      netdev_get_by_index+0x5e/0x80
[  570.408369][   T72]      fib6_nh_init+0x3d8/0x1580
[  570.408369][   T72]      ip6_route_info_create+0xf18/0x17d0
[  570.408369][   T72]      addrconf_f6i_alloc+0x315/0x560
[  570.408369][   T72]      ipv6_add_addr+0x411/0x2000
[  570.408369][   T72]      inet6_addr_add+0x30e/0xa40
[  570.408369][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  570.408369][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  570.408369][   T72]      netlink_rcv_skb+0x130/0x360
[  570.408369][   T72]      netlink_unicast+0x449/0x710
[  570.408369][   T72]      netlink_sendmsg+0x723/0xbe0
[  570.408369][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  570.408369][   T72]      ___sys_sendmsg+0xee/0x170
[  570.408369][   T72]      __sys_sendmsg+0xcd/0x170
[  570.408369][   T72]      do_syscall_64+0xc6/0x1e0
[  570.408369][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  570.408369][   T72] 
[  570.410658][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  570.410658][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  570.410658][   T72]      ipv6_find_idev+0x102/0x170
[  570.410658][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  570.410658][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  570.410658][   T72]      netlink_rcv_skb+0x130/0x360
[  570.410658][   T72]      netlink_unicast+0x449/0x710
[  570.410658][   T72]      netlink_sendmsg+0x723/0xbe0
[  570.410658][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  570.410658][   T72]      ___sys_sendmsg+0xee/0x170
[  570.410658][   T72]      __sys_sendmsg+0xcd/0x170
[  570.410658][   T72]      do_syscall_64+0xc6/0x1e0
[  570.410658][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  570.410658][   T72] 
[  570.412382][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  570.412382][   T72]      neigh_parms_alloc+0x1e5/0x510
[  570.412382][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  570.412382][   T72]      ipv6_find_idev+0x102/0x170
[  570.412382][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  570.412382][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  570.412382][   T72]      netlink_rcv_skb+0x130/0x360
[  570.412382][   T72]      netlink_unicast+0x449/0x710
[  570.412382][   T72]      netlink_sendmsg+0x723/0xbe0
[  570.412382][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  570.412382][   T72]      ___sys_sendmsg+0xee/0x170
[  570.412382][   T72]      __sys_sendmsg+0xcd/0x170
[  570.412382][   T72]      do_syscall_64+0xc6/0x1e0
[  570.412382][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  570.412382][   T72] 
[  570.414272][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  570.414545][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  570.414545][   T72]      netdev_get_by_index+0x5e/0x80
[  570.414545][   T72]      fib6_nh_init+0x3d8/0x1580
[  570.414545][   T72]      ip6_route_info_create+0xf18/0x17d0
[  570.414545][   T72]      ip6_route_add+0x1c/0x140
[  570.414545][   T72]      addrconf_prefix_route+0x2a6/0x430
[  570.414545][   T72]      inet6_addr_add+0x4f8/0xa40
[  570.414545][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  570.414545][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  570.414545][   T72]      netlink_rcv_skb+0x130/0x360
[  570.414545][   T72]      netlink_unicast+0x449/0x710
[  570.414545][   T72]      netlink_sendmsg+0x723/0xbe0
[  570.414545][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  570.414545][   T72]      ___sys_sendmsg+0xee/0x170
[  570.414545][   T72]      __sys_sendmsg+0xcd/0x170
[  570.414545][   T72]      do_syscall_64+0xc6/0x1e0
[  570.414545][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  570.414545][   T72] 
[  570.416797][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  570.416797][   T72]      netdev_get_by_index+0x5e/0x80
[  570.416797][   T72]      fib6_nh_init+0x3d8/0x1580
[  570.416797][   T72]      ip6_route_info_create+0xf18/0x17d0
[  570.416797][   T72]      addrconf_f6i_alloc+0x315/0x560
[  570.416797][   T72]      ipv6_add_addr+0x411/0x2000
[  570.416797][   T72]      inet6_addr_add+0x30e/0xa40
[  570.416797][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  570.416797][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  570.416797][   T72]      netlink_rcv_skb+0x130/0x360
[  570.416797][   T72]      netlink_unicast+0x449/0x710
[  570.416797][   T72]      netlink_sendmsg+0x723/0xbe0
[  570.416797][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  570.416797][   T72]      ___sys_sendmsg+0xee/0x170
[  570.416797][   T72]      __sys_sendmsg+0xcd/0x170
[  570.416797][   T72]      do_syscall_64+0xc6/0x1e0
[  570.416797][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  570.416797][   T72] 
[  570.419080][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  570.419080][   T72]      netdev_get_by_index+0x5e/0x80
[  570.419080][   T72]      fib6_nh_init+0x3d8/0x1580
[  570.419080][   T72]      ip6_route_info_create+0xf18/0x17d0
[  570.419080][   T72]      ip6_route_add+0x1c/0x140
[  570.419080][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  570.419080][   T72]      addrconf_add_dev+0xe2/0x170
[  570.419080][   T72]      inet6_addr_add+0x12f/0xa40
[  570.419080][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  570.419080][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  570.419080][   T72]      netlink_rcv_skb+0x130/0x360
[  570.419080][   T72]      netlink_unicast+0x449/0x710
[  570.419080][   T72]      netlink_sendmsg+0x723/0xbe0
[  570.419080][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  570.419080][   T72]      ___sys_sendmsg+0xee/0x170
[  570.419080][   T72]      __sys_sendmsg+0xcd/0x170
[  570.419080][   T72]      do_syscall_64+0xc6/0x1e0
[  570.419080][   T72] 
[  570.421296][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  570.421296][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  570.421296][   T72]      ipv6_find_idev+0x102/0x170
[  570.421296][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  570.421296][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  570.421296][   T72]      netlink_rcv_skb+0x130/0x360
[  570.421296][   T72]      netlink_unicast+0x449/0x710
[  570.421296][   T72]      netlink_sendmsg+0x723/0xbe0
[  570.421296][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  570.421296][   T72]      ___sys_sendmsg+0xee/0x170
[  570.421296][   T72]      __sys_sendmsg+0xcd/0x170
[  570.421296][   T72]      do_syscall_64+0xc6/0x1e0
[  570.421296][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  570.421296][   T72] 
[  570.423010][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  570.423010][   T72]      neigh_parms_alloc+0x1e5/0x510
[  570.423010][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  570.423010][   T72]      ipv6_find_idev+0x102/0x170
[  570.423010][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  570.423010][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  570.423010][   T72]      netlink_rcv_skb+0x130/0x360
[  570.423010][   T72]      netlink_unicast+0x449/0x710
[  570.423010][   T72]      netlink_sendmsg+0x723/0xbe0
[  570.423010][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  570.423010][   T72]      ___sys_sendmsg+0xee/0x170
[  570.423010][   T72]      __sys_sendmsg+0xcd/0x170
[  570.423010][   T72]      do_syscall_64+0xc6/0x1e0
[  570.423010][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  570.423010][   T72] 
[  580.679878][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  580.680384][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  580.680384][   T72]      netdev_get_by_index+0x5e/0x80
[  580.680384][   T72]      fib6_nh_init+0x3d8/0x1580
[  580.680384][   T72]      ip6_route_info_create+0xf18/0x17d0
[  580.680384][   T72]      addrconf_f6i_alloc+0x315/0x560
[  580.680384][   T72]      ipv6_add_addr+0x411/0x2000
[  580.680384][   T72]      inet6_addr_add+0x30e/0xa40
[  580.680384][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  580.680384][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.680384][   T72]      netlink_rcv_skb+0x130/0x360
[  580.680384][   T72]      netlink_unicast+0x449/0x710
[  580.680384][   T72]      netlink_sendmsg+0x723/0xbe0
[  580.680384][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  580.680384][   T72]      ___sys_sendmsg+0xee/0x170
[  580.680384][   T72]      __sys_sendmsg+0xcd/0x170
[  580.680384][   T72]      do_syscall_64+0xc6/0x1e0
[  580.680384][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.680384][   T72] 
[  580.682685][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  580.682685][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  580.682685][   T72]      ipv6_find_idev+0x102/0x170
[  580.682685][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  580.682685][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.682685][   T72]      netlink_rcv_skb+0x130/0x360
[  580.682685][   T72]      netlink_unicast+0x449/0x710
[  580.682685][   T72]      netlink_sendmsg+0x723/0xbe0
[  580.682685][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  580.682685][   T72]      ___sys_sendmsg+0xee/0x170
[  580.682685][   T72]      __sys_sendmsg+0xcd/0x170
[  580.682685][   T72]      do_syscall_64+0xc6/0x1e0
[  580.682685][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.682685][   T72] 
[  580.684438][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  580.684438][   T72]      neigh_parms_alloc+0x1e5/0x510
[  580.684438][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  580.684438][   T72]      ipv6_find_idev+0x102/0x170
[  580.684438][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  580.684438][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.684438][   T72]      netlink_rcv_skb+0x130/0x360
[  580.684438][   T72]      netlink_unicast+0x449/0x710
[  580.684438][   T72]      netlink_sendmsg+0x723/0xbe0
[  580.684438][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  580.684438][   T72]      ___sys_sendmsg+0xee/0x170
[  580.684438][   T72]      __sys_sendmsg+0xcd/0x170
[  580.684438][   T72]      do_syscall_64+0xc6/0x1e0
[  580.684438][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.684438][   T72] 
[  580.686358][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  580.686627][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  580.686627][   T72]      netdev_get_by_index+0x5e/0x80
[  580.686627][   T72]      fib6_nh_init+0x3d8/0x1580
[  580.686627][   T72]      ip6_route_info_create+0xf18/0x17d0
[  580.686627][   T72]      ip6_route_add+0x1c/0x140
[  580.686627][   T72]      addrconf_prefix_route+0x2a6/0x430
[  580.686627][   T72]      inet6_addr_add+0x4f8/0xa40
[  580.686627][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  580.686627][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.686627][   T72]      netlink_rcv_skb+0x130/0x360
[  580.686627][   T72]      netlink_unicast+0x449/0x710
[  580.686627][   T72]      netlink_sendmsg+0x723/0xbe0
[  580.686627][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  580.686627][   T72]      ___sys_sendmsg+0xee/0x170
[  580.686627][   T72]      __sys_sendmsg+0xcd/0x170
[  580.686627][   T72]      do_syscall_64+0xc6/0x1e0
[  580.686627][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.686627][   T72] 
[  580.688915][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  580.688915][   T72]      netdev_get_by_index+0x5e/0x80
[  580.688915][   T72]      fib6_nh_init+0x3d8/0x1580
[  580.688915][   T72]      ip6_route_info_create+0xf18/0x17d0
[  580.688915][   T72]      addrconf_f6i_alloc+0x315/0x560
[  580.688915][   T72]      ipv6_add_addr+0x411/0x2000
[  580.688915][   T72]      inet6_addr_add+0x30e/0xa40
[  580.688915][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  580.688915][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.688915][   T72]      netlink_rcv_skb+0x130/0x360
[  580.688915][   T72]      netlink_unicast+0x449/0x710
[  580.688915][   T72]      netlink_sendmsg+0x723/0xbe0
[  580.688915][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  580.688915][   T72]      ___sys_sendmsg+0xee/0x170
[  580.688915][   T72]      __sys_sendmsg+0xcd/0x170
[  580.688915][   T72]      do_syscall_64+0xc6/0x1e0
[  580.688915][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.688915][   T72] 
[  580.691163][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  580.691163][   T72]      netdev_get_by_index+0x5e/0x80
[  580.691163][   T72]      fib6_nh_init+0x3d8/0x1580
[  580.691163][   T72]      ip6_route_info_create+0xf18/0x17d0
[  580.691163][   T72]      ip6_route_add+0x1c/0x140
[  580.691163][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  580.691163][   T72]      addrconf_add_dev+0xe2/0x170
[  580.691163][   T72]      inet6_addr_add+0x12f/0xa40
[  580.691163][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  580.691163][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.691163][   T72]      netlink_rcv_skb+0x130/0x360
[  580.691163][   T72]      netlink_unicast+0x449/0x710
[  580.691163][   T72]      netlink_sendmsg+0x723/0xbe0
[  580.691163][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  580.691163][   T72]      ___sys_sendmsg+0xee/0x170
[  580.691163][   T72]      __sys_sendmsg+0xcd/0x170
[  580.691163][   T72]      do_syscall_64+0xc6/0x1e0
[  580.691163][   T72] 
[  580.693367][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  580.693367][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  580.693367][   T72]      ipv6_find_idev+0x102/0x170
[  580.693367][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  580.693367][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.693367][   T72]      netlink_rcv_skb+0x130/0x360
[  580.693367][   T72]      netlink_unicast+0x449/0x710
[  580.693367][   T72]      netlink_sendmsg+0x723/0xbe0
[  580.693367][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  580.693367][   T72]      ___sys_sendmsg+0xee/0x170
[  580.693367][   T72]      __sys_sendmsg+0xcd/0x170
[  580.693367][   T72]      do_syscall_64+0xc6/0x1e0
[  580.693367][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.693367][   T72] 
[  580.695125][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  580.695125][   T72]      neigh_parms_alloc+0x1e5/0x510
[  580.695125][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  580.695125][   T72]      ipv6_find_idev+0x102/0x170
[  580.695125][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  580.695125][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.695125][   T72]      netlink_rcv_skb+0x130/0x360
[  580.695125][   T72]      netlink_unicast+0x449/0x710
[  580.695125][   T72]      netlink_sendmsg+0x723/0xbe0
[  580.695125][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  580.695125][   T72]      ___sys_sendmsg+0xee/0x170
[  580.695125][   T72]      __sys_sendmsg+0xcd/0x170
[  580.695125][   T72]      do_syscall_64+0xc6/0x1e0
[  580.695125][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.695125][   T72] 
[  590.775823][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  590.776283][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  590.776283][   T72]      netdev_get_by_index+0x5e/0x80
[  590.776283][   T72]      fib6_nh_init+0x3d8/0x1580
[  590.776283][   T72]      ip6_route_info_create+0xf18/0x17d0
[  590.776283][   T72]      addrconf_f6i_alloc+0x315/0x560
[  590.776283][   T72]      ipv6_add_addr+0x411/0x2000
[  590.776283][   T72]      inet6_addr_add+0x30e/0xa40
[  590.776283][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  590.776283][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.776283][   T72]      netlink_rcv_skb+0x130/0x360
[  590.776283][   T72]      netlink_unicast+0x449/0x710
[  590.776283][   T72]      netlink_sendmsg+0x723/0xbe0
[  590.776283][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  590.776283][   T72]      ___sys_sendmsg+0xee/0x170
[  590.776283][   T72]      __sys_sendmsg+0xcd/0x170
[  590.776283][   T72]      do_syscall_64+0xc6/0x1e0
[  590.776283][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.776283][   T72] 
[  590.778388][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  590.778388][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  590.778388][   T72]      ipv6_find_idev+0x102/0x170
[  590.778388][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  590.778388][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.778388][   T72]      netlink_rcv_skb+0x130/0x360
[  590.778388][   T72]      netlink_unicast+0x449/0x710
[  590.778388][   T72]      netlink_sendmsg+0x723/0xbe0
[  590.778388][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  590.778388][   T72]      ___sys_sendmsg+0xee/0x170
[  590.778388][   T72]      __sys_sendmsg+0xcd/0x170
[  590.778388][   T72]      do_syscall_64+0xc6/0x1e0
[  590.778388][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.778388][   T72] 
[  590.779972][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  590.779972][   T72]      neigh_parms_alloc+0x1e5/0x510
[  590.779972][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  590.779972][   T72]      ipv6_find_idev+0x102/0x170
[  590.779972][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  590.779972][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.779972][   T72]      netlink_rcv_skb+0x130/0x360
[  590.779972][   T72]      netlink_unicast+0x449/0x710
[  590.779972][   T72]      netlink_sendmsg+0x723/0xbe0
[  590.779972][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  590.779972][   T72]      ___sys_sendmsg+0xee/0x170
[  590.779972][   T72]      __sys_sendmsg+0xcd/0x170
[  590.779972][   T72]      do_syscall_64+0xc6/0x1e0
[  590.779972][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.779972][   T72] 
[  590.781707][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  590.781980][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  590.781980][   T72]      netdev_get_by_index+0x5e/0x80
[  590.781980][   T72]      fib6_nh_init+0x3d8/0x1580
[  590.781980][   T72]      ip6_route_info_create+0xf18/0x17d0
[  590.781980][   T72]      ip6_route_add+0x1c/0x140
[  590.781980][   T72]      addrconf_prefix_route+0x2a6/0x430
[  590.781980][   T72]      inet6_addr_add+0x4f8/0xa40
[  590.781980][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  590.781980][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.781980][   T72]      netlink_rcv_skb+0x130/0x360
[  590.781980][   T72]      netlink_unicast+0x449/0x710
[  590.781980][   T72]      netlink_sendmsg+0x723/0xbe0
[  590.781980][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  590.781980][   T72]      ___sys_sendmsg+0xee/0x170
[  590.781980][   T72]      __sys_sendmsg+0xcd/0x170
[  590.781980][   T72]      do_syscall_64+0xc6/0x1e0
[  590.781980][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.781980][   T72] 
[  590.784026][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  590.784026][   T72]      netdev_get_by_index+0x5e/0x80
[  590.784026][   T72]      fib6_nh_init+0x3d8/0x1580
[  590.784026][   T72]      ip6_route_info_create+0xf18/0x17d0
[  590.784026][   T72]      addrconf_f6i_alloc+0x315/0x560
[  590.784026][   T72]      ipv6_add_addr+0x411/0x2000
[  590.784026][   T72]      inet6_addr_add+0x30e/0xa40
[  590.784026][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  590.784026][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.784026][   T72]      netlink_rcv_skb+0x130/0x360
[  590.784026][   T72]      netlink_unicast+0x449/0x710
[  590.784026][   T72]      netlink_sendmsg+0x723/0xbe0
[  590.784026][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  590.784026][   T72]      ___sys_sendmsg+0xee/0x170
[  590.784026][   T72]      __sys_sendmsg+0xcd/0x170
[  590.784026][   T72]      do_syscall_64+0xc6/0x1e0
[  590.784026][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.784026][   T72] 
[  590.786079][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  590.786079][   T72]      netdev_get_by_index+0x5e/0x80
[  590.786079][   T72]      fib6_nh_init+0x3d8/0x1580
[  590.786079][   T72]      ip6_route_info_create+0xf18/0x17d0
[  590.786079][   T72]      ip6_route_add+0x1c/0x140
[  590.786079][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  590.786079][   T72]      addrconf_add_dev+0xe2/0x170
[  590.786079][   T72]      inet6_addr_add+0x12f/0xa40
[  590.786079][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  590.786079][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.786079][   T72]      netlink_rcv_skb+0x130/0x360
[  590.786079][   T72]      netlink_unicast+0x449/0x710
[  590.786079][   T72]      netlink_sendmsg+0x723/0xbe0
[  590.786079][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  590.786079][   T72]      ___sys_sendmsg+0xee/0x170
[  590.786079][   T72]      __sys_sendmsg+0xcd/0x170
[  590.786079][   T72]      do_syscall_64+0xc6/0x1e0
[  590.786079][   T72] 
[  590.788107][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  590.788107][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  590.788107][   T72]      ipv6_find_idev+0x102/0x170
[  590.788107][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  590.788107][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.788107][   T72]      netlink_rcv_skb+0x130/0x360
[  590.788107][   T72]      netlink_unicast+0x449/0x710
[  590.788107][   T72]      netlink_sendmsg+0x723/0xbe0
[  590.788107][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  590.788107][   T72]      ___sys_sendmsg+0xee/0x170
[  590.788107][   T72]      __sys_sendmsg+0xcd/0x170
[  590.788107][   T72]      do_syscall_64+0xc6/0x1e0
[  590.788107][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.788107][   T72] 
[  590.789700][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  590.789700][   T72]      neigh_parms_alloc+0x1e5/0x510
[  590.789700][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  590.789700][   T72]      ipv6_find_idev+0x102/0x170
[  590.789700][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  590.789700][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.789700][   T72]      netlink_rcv_skb+0x130/0x360
[  590.789700][   T72]      netlink_unicast+0x449/0x710
[  590.789700][   T72]      netlink_sendmsg+0x723/0xbe0
[  590.789700][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  590.789700][   T72]      ___sys_sendmsg+0xee/0x170
[  590.789700][   T72]      __sys_sendmsg+0xcd/0x170
[  590.789700][   T72]      do_syscall_64+0xc6/0x1e0
[  590.789700][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.789700][   T72] 
[  600.951902][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  600.952320][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  600.952320][   T72]      netdev_get_by_index+0x5e/0x80
[  600.952320][   T72]      fib6_nh_init+0x3d8/0x1580
[  600.952320][   T72]      ip6_route_info_create+0xf18/0x17d0
[  600.952320][   T72]      addrconf_f6i_alloc+0x315/0x560
[  600.952320][   T72]      ipv6_add_addr+0x411/0x2000
[  600.952320][   T72]      inet6_addr_add+0x30e/0xa40
[  600.952320][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  600.952320][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.952320][   T72]      netlink_rcv_skb+0x130/0x360
[  600.952320][   T72]      netlink_unicast+0x449/0x710
[  600.952320][   T72]      netlink_sendmsg+0x723/0xbe0
[  600.952320][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  600.952320][   T72]      ___sys_sendmsg+0xee/0x170
[  600.952320][   T72]      __sys_sendmsg+0xcd/0x170
[  600.952320][   T72]      do_syscall_64+0xc6/0x1e0
[  600.952320][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.952320][   T72] 
[  600.954406][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  600.954406][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  600.954406][   T72]      ipv6_find_idev+0x102/0x170
[  600.954406][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  600.954406][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.954406][   T72]      netlink_rcv_skb+0x130/0x360
[  600.954406][   T72]      netlink_unicast+0x449/0x710
[  600.954406][   T72]      netlink_sendmsg+0x723/0xbe0
[  600.954406][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  600.954406][   T72]      ___sys_sendmsg+0xee/0x170
[  600.954406][   T72]      __sys_sendmsg+0xcd/0x170
[  600.954406][   T72]      do_syscall_64+0xc6/0x1e0
[  600.954406][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.954406][   T72] 
[  600.956018][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  600.956018][   T72]      neigh_parms_alloc+0x1e5/0x510
[  600.956018][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  600.956018][   T72]      ipv6_find_idev+0x102/0x170
[  600.956018][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  600.956018][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.956018][   T72]      netlink_rcv_skb+0x130/0x360
[  600.956018][   T72]      netlink_unicast+0x449/0x710
[  600.956018][   T72]      netlink_sendmsg+0x723/0xbe0
[  600.956018][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  600.956018][   T72]      ___sys_sendmsg+0xee/0x170
[  600.956018][   T72]      __sys_sendmsg+0xcd/0x170
[  600.956018][   T72]      do_syscall_64+0xc6/0x1e0
[  600.956018][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.956018][   T72] 
[  600.957785][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  600.958043][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  600.958043][   T72]      netdev_get_by_index+0x5e/0x80
[  600.958043][   T72]      fib6_nh_init+0x3d8/0x1580
[  600.958043][   T72]      ip6_route_info_create+0xf18/0x17d0
[  600.958043][   T72]      ip6_route_add+0x1c/0x140
[  600.958043][   T72]      addrconf_prefix_route+0x2a6/0x430
[  600.958043][   T72]      inet6_addr_add+0x4f8/0xa40
[  600.958043][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  600.958043][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.958043][   T72]      netlink_rcv_skb+0x130/0x360
[  600.958043][   T72]      netlink_unicast+0x449/0x710
[  600.958043][   T72]      netlink_sendmsg+0x723/0xbe0
[  600.958043][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  600.958043][   T72]      ___sys_sendmsg+0xee/0x170
[  600.958043][   T72]      __sys_sendmsg+0xcd/0x170
[  600.958043][   T72]      do_syscall_64+0xc6/0x1e0
[  600.958043][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.958043][   T72] 
[  600.960117][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  600.960117][   T72]      netdev_get_by_index+0x5e/0x80
[  600.960117][   T72]      fib6_nh_init+0x3d8/0x1580
[  600.960117][   T72]      ip6_route_info_create+0xf18/0x17d0
[  600.960117][   T72]      addrconf_f6i_alloc+0x315/0x560
[  600.960117][   T72]      ipv6_add_addr+0x411/0x2000
[  600.960117][   T72]      inet6_addr_add+0x30e/0xa40
[  600.960117][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  600.960117][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.960117][   T72]      netlink_rcv_skb+0x130/0x360
[  600.960117][   T72]      netlink_unicast+0x449/0x710
[  600.960117][   T72]      netlink_sendmsg+0x723/0xbe0
[  600.960117][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  600.960117][   T72]      ___sys_sendmsg+0xee/0x170
[  600.960117][   T72]      __sys_sendmsg+0xcd/0x170
[  600.960117][   T72]      do_syscall_64+0xc6/0x1e0
[  600.960117][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.960117][   T72] 
[  600.962180][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  600.962180][   T72]      netdev_get_by_index+0x5e/0x80
[  600.962180][   T72]      fib6_nh_init+0x3d8/0x1580
[  600.962180][   T72]      ip6_route_info_create+0xf18/0x17d0
[  600.962180][   T72]      ip6_route_add+0x1c/0x140
[  600.962180][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  600.962180][   T72]      addrconf_add_dev+0xe2/0x170
[  600.962180][   T72]      inet6_addr_add+0x12f/0xa40
[  600.962180][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  600.962180][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.962180][   T72]      netlink_rcv_skb+0x130/0x360
[  600.962180][   T72]      netlink_unicast+0x449/0x710
[  600.962180][   T72]      netlink_sendmsg+0x723/0xbe0
[  600.962180][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  600.962180][   T72]      ___sys_sendmsg+0xee/0x170
[  600.962180][   T72]      __sys_sendmsg+0xcd/0x170
[  600.962180][   T72]      do_syscall_64+0xc6/0x1e0
[  600.962180][   T72] 
[  600.964218][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  600.964218][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  600.964218][   T72]      ipv6_find_idev+0x102/0x170
[  600.964218][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  600.964218][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.964218][   T72]      netlink_rcv_skb+0x130/0x360
[  600.964218][   T72]      netlink_unicast+0x449/0x710
[  600.964218][   T72]      netlink_sendmsg+0x723/0xbe0
[  600.964218][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  600.964218][   T72]      ___sys_sendmsg+0xee/0x170
[  600.964218][   T72]      __sys_sendmsg+0xcd/0x170
[  600.964218][   T72]      do_syscall_64+0xc6/0x1e0
[  600.964218][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.964218][   T72] 
[  600.965801][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  600.965801][   T72]      neigh_parms_alloc+0x1e5/0x510
[  600.965801][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  600.965801][   T72]      ipv6_find_idev+0x102/0x170
[  600.965801][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  600.965801][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.965801][   T72]      netlink_rcv_skb+0x130/0x360
[  600.965801][   T72]      netlink_unicast+0x449/0x710
[  600.965801][   T72]      netlink_sendmsg+0x723/0xbe0
[  600.965801][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  600.965801][   T72]      ___sys_sendmsg+0xee/0x170
[  600.965801][   T72]      __sys_sendmsg+0xcd/0x170
[  600.965801][   T72]      do_syscall_64+0xc6/0x1e0
[  600.965801][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.965801][   T72] 
[  611.111911][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  611.112336][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  611.112336][   T72]      netdev_get_by_index+0x5e/0x80
[  611.112336][   T72]      fib6_nh_init+0x3d8/0x1580
[  611.112336][   T72]      ip6_route_info_create+0xf18/0x17d0
[  611.112336][   T72]      addrconf_f6i_alloc+0x315/0x560
[  611.112336][   T72]      ipv6_add_addr+0x411/0x2000
[  611.112336][   T72]      inet6_addr_add+0x30e/0xa40
[  611.112336][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  611.112336][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  611.112336][   T72]      netlink_rcv_skb+0x130/0x360
[  611.112336][   T72]      netlink_unicast+0x449/0x710
[  611.112336][   T72]      netlink_sendmsg+0x723/0xbe0
[  611.112336][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  611.112336][   T72]      ___sys_sendmsg+0xee/0x170
[  611.112336][   T72]      __sys_sendmsg+0xcd/0x170
[  611.112336][   T72]      do_syscall_64+0xc6/0x1e0
[  611.112336][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  611.112336][   T72] 
[  611.114649][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  611.114649][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  611.114649][   T72]      ipv6_find_idev+0x102/0x170
[  611.114649][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  611.114649][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  611.114649][   T72]      netlink_rcv_skb+0x130/0x360
[  611.114649][   T72]      netlink_unicast+0x449/0x710
[  611.114649][   T72]      netlink_sendmsg+0x723/0xbe0
[  611.114649][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  611.114649][   T72]      ___sys_sendmsg+0xee/0x170
[  611.114649][   T72]      __sys_sendmsg+0xcd/0x170
[  611.114649][   T72]      do_syscall_64+0xc6/0x1e0
[  611.114649][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  611.114649][   T72] 
[  611.116381][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  611.116381][   T72]      neigh_parms_alloc+0x1e5/0x510
[  611.116381][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  611.116381][   T72]      ipv6_find_idev+0x102/0x170
[  611.116381][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  611.116381][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  611.116381][   T72]      netlink_rcv_skb+0x130/0x360
[  611.116381][   T72]      netlink_unicast+0x449/0x710
[  611.116381][   T72]      netlink_sendmsg+0x723/0xbe0
[  611.116381][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  611.116381][   T72]      ___sys_sendmsg+0xee/0x170
[  611.116381][   T72]      __sys_sendmsg+0xcd/0x170
[  611.116381][   T72]      do_syscall_64+0xc6/0x1e0
[  611.116381][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  611.116381][   T72] 
[  611.118330][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  611.118607][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  611.118607][   T72]      netdev_get_by_index+0x5e/0x80
[  611.118607][   T72]      fib6_nh_init+0x3d8/0x1580
[  611.118607][   T72]      ip6_route_info_create+0xf18/0x17d0
[  611.118607][   T72]      ip6_route_add+0x1c/0x140
[  611.118607][   T72]      addrconf_prefix_route+0x2a6/0x430
[  611.118607][   T72]      inet6_addr_add+0x4f8/0xa40
[  611.118607][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  611.118607][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  611.118607][   T72]      netlink_rcv_skb+0x130/0x360
[  611.118607][   T72]      netlink_unicast+0x449/0x710
[  611.118607][   T72]      netlink_sendmsg+0x723/0xbe0
[  611.118607][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  611.118607][   T72]      ___sys_sendmsg+0xee/0x170
[  611.118607][   T72]      __sys_sendmsg+0xcd/0x170
[  611.118607][   T72]      do_syscall_64+0xc6/0x1e0
[  611.118607][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  611.118607][   T72] 
[  611.120893][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  611.120893][   T72]      netdev_get_by_index+0x5e/0x80
[  611.120893][   T72]      fib6_nh_init+0x3d8/0x1580
[  611.120893][   T72]      ip6_route_info_create+0xf18/0x17d0
[  611.120893][   T72]      addrconf_f6i_alloc+0x315/0x560
[  611.120893][   T72]      ipv6_add_addr+0x411/0x2000
[  611.120893][   T72]      inet6_addr_add+0x30e/0xa40
[  611.120893][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  611.120893][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  611.120893][   T72]      netlink_rcv_skb+0x130/0x360
[  611.120893][   T72]      netlink_unicast+0x449/0x710
[  611.120893][   T72]      netlink_sendmsg+0x723/0xbe0
[  611.120893][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  611.120893][   T72]      ___sys_sendmsg+0xee/0x170
[  611.120893][   T72]      __sys_sendmsg+0xcd/0x170
[  611.120893][   T72]      do_syscall_64+0xc6/0x1e0
[  611.120893][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  611.120893][   T72] 
[  611.123149][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  611.123149][   T72]      netdev_get_by_index+0x5e/0x80
[  611.123149][   T72]      fib6_nh_init+0x3d8/0x1580
[  611.123149][   T72]      ip6_route_info_create+0xf18/0x17d0
[  611.123149][   T72]      ip6_route_add+0x1c/0x140
[  611.123149][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  611.123149][   T72]      addrconf_add_dev+0xe2/0x170
[  611.123149][   T72]      inet6_addr_add+0x12f/0xa40
[  611.123149][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  611.123149][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  611.123149][   T72]      netlink_rcv_skb+0x130/0x360
[  611.123149][   T72]      netlink_unicast+0x449/0x710
[  611.123149][   T72]      netlink_sendmsg+0x723/0xbe0
[  611.123149][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  611.123149][   T72]      ___sys_sendmsg+0xee/0x170
[  611.123149][   T72]      __sys_sendmsg+0xcd/0x170
[  611.123149][   T72]      do_syscall_64+0xc6/0x1e0
[  611.123149][   T72] 
[  611.125377][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  611.125377][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  611.125377][   T72]      ipv6_find_idev+0x102/0x170
[  611.125377][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  611.125377][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  611.125377][   T72]      netlink_rcv_skb+0x130/0x360
[  611.125377][   T72]      netlink_unicast+0x449/0x710
[  611.125377][   T72]      netlink_sendmsg+0x723/0xbe0
[  611.125377][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  611.125377][   T72]      ___sys_sendmsg+0xee/0x170
[  611.125377][   T72]      __sys_sendmsg+0xcd/0x170
[  611.125377][   T72]      do_syscall_64+0xc6/0x1e0
[  611.125377][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  611.125377][   T72] 
[  611.127110][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  611.127110][   T72]      neigh_parms_alloc+0x1e5/0x510
[  611.127110][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  611.127110][   T72]      ipv6_find_idev+0x102/0x170
[  611.127110][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  611.127110][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  611.127110][   T72]      netlink_rcv_skb+0x130/0x360
[  611.127110][   T72]      netlink_unicast+0x449/0x710
[  611.127110][   T72]      netlink_sendmsg+0x723/0xbe0
[  611.127110][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  611.127110][   T72]      ___sys_sendmsg+0xee/0x170
[  611.127110][   T72]      __sys_sendmsg+0xcd/0x170
[  611.127110][   T72]      do_syscall_64+0xc6/0x1e0
[  611.127110][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  611.127110][   T72] 
[  615.719916][   T42] INFO: task modprobe:456 blocked for more than 491 seconds.
[  615.720303][   T42]       Not tainted 6.8.0-virtme #1
[  615.720441][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  615.720666][   T42] task:modprobe        state:D stack:25648 pid:456   tgid:456   ppid:39     flags:0x00004002
[  615.720974][   T42] Call Trace:
[  615.721084][   T42]  <TASK>
[  615.721164][   T42]  __schedule+0x705/0x1ac0
[  615.721321][   T42]  ? __pfx___schedule+0x10/0x10
[  615.721461][   T42]  ? schedule+0x1a5/0x210
[  615.721568][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  615.721717][   T42]  ? mark_lock+0x38/0x3e0
[  615.721835][   T42]  ? do_raw_spin_lock+0x131/0x270
[  615.721980][   T42]  ? schedule+0x1a5/0x210
[  615.722093][   T42]  schedule+0xdf/0x210
[  615.722202][   T42]  schedule_preempt_disabled+0x15/0x30
[  615.722341][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[  615.722487][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[  615.722660][   T42]  ? kasan_save_stack+0x34/0x50
[  615.722808][   T42]  ? kasan_save_stack+0x24/0x50
[  615.722948][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  615.723097][   T42]  ? lock_acquire+0x1c1/0x220
[  615.723234][   T42]  ? register_pernet_subsys+0x1a/0x50
[  615.723388][   T42]  down_write+0x1c9/0x200
[  615.723495][   T42]  ? __pfx_down_write+0x10/0x10
[  615.723631][   T42]  ? __pfx___lock_release+0x10/0x10
[  615.723783][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[  615.724008][   T42]  register_pernet_subsys+0x1a/0x50
[  615.724146][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[  615.724346][   T42]  do_one_initcall+0xc8/0x3f0
[  615.724487][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[  615.724631][   T42]  ? __create_object+0x5e/0xb0
[  615.724793][   T42]  ? kasan_unpoison+0x27/0x60
[  615.724941][   T42]  do_init_module+0x233/0x740
[  615.725092][   T42]  load_module+0x16b5/0x2350
[  615.725247][   T42]  ? __pfx_load_module+0x10/0x10
[  615.725384][   T42]  ? kernel_read_file+0x3d2/0x520
[  615.725528][   T42]  ? kernel_read_file+0x300/0x520
[  615.725671][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[  615.725831][   T42]  ? init_module_from_file+0xd2/0x130
[  615.725968][   T42]  init_module_from_file+0xd2/0x130
[  615.726106][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[  615.726277][   T42]  ? __lock_release+0x103/0x460
[  615.726420][   T42]  ? idempotent_init_module+0x32a/0x620
[  615.726568][   T42]  ? idempotent_init_module+0x32a/0x620
[  615.726709][   T42]  ? do_raw_spin_unlock+0x58/0x220
[  615.726857][   T42]  idempotent_init_module+0x342/0x620
[  615.726998][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[  615.727191][   T42]  __x64_sys_finit_module+0xbe/0x130
[  615.727332][   T42]  do_syscall_64+0xc6/0x1e0
[  615.727478][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  615.727657][   T42] RIP: 0033:0x7f93cc153e5d
[  615.727806][   T42] RSP: 002b:00007fff97ff1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  615.728016][   T42] RAX: ffffffffffffffda RBX: 0000557c14f43e90 RCX: 00007f93cc153e5d
[  615.728228][   T42] RDX: 0000000000000000 RSI: 0000557bf5357a2a RDI: 0000000000000001
[  615.728435][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557c14f444f0
[  615.728653][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bf5357a2a
[  615.728877][   T42] R13: 0000557c14f43e40 R14: 0000557c14f44570 R15: 0000000000000000
[  615.729095][   T42]  </TASK>
[  615.729200][   T42] 
[  615.729200][   T42] Showing all locks held in the system:
[  615.729407][   T42] 2 locks held by kworker/u20:0/39:
[  615.729544][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  615.729837][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  615.730146][   T42] 1 lock held by khungtaskd/42:
[  615.730286][   T42]  #0: ffffffffa85591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[  615.730543][   T42] 3 locks held by kworker/u16:1/72:
[  615.730682][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  615.730968][   T42]  #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  615.731214][   T42]  #2: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[  615.731463][   T42] 1 lock held by modprobe/456:
[  615.731595][   T42]  #0: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[  615.731881][   T42] 
[  615.731950][   T42] =============================================
[  615.731950][   T42] 
[  621.223886][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  621.224301][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  621.224301][   T72]      netdev_get_by_index+0x5e/0x80
[  621.224301][   T72]      fib6_nh_init+0x3d8/0x1580
[  621.224301][   T72]      ip6_route_info_create+0xf18/0x17d0
[  621.224301][   T72]      addrconf_f6i_alloc+0x315/0x560
[  621.224301][   T72]      ipv6_add_addr+0x411/0x2000
[  621.224301][   T72]      inet6_addr_add+0x30e/0xa40
[  621.224301][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  621.224301][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  621.224301][   T72]      netlink_rcv_skb+0x130/0x360
[  621.224301][   T72]      netlink_unicast+0x449/0x710
[  621.224301][   T72]      netlink_sendmsg+0x723/0xbe0
[  621.224301][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  621.224301][   T72]      ___sys_sendmsg+0xee/0x170
[  621.224301][   T72]      __sys_sendmsg+0xcd/0x170
[  621.224301][   T72]      do_syscall_64+0xc6/0x1e0
[  621.224301][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  621.224301][   T72] 
[  621.226580][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  621.226580][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  621.226580][   T72]      ipv6_find_idev+0x102/0x170
[  621.226580][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  621.226580][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  621.226580][   T72]      netlink_rcv_skb+0x130/0x360
[  621.226580][   T72]      netlink_unicast+0x449/0x710
[  621.226580][   T72]      netlink_sendmsg+0x723/0xbe0
[  621.226580][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  621.226580][   T72]      ___sys_sendmsg+0xee/0x170
[  621.226580][   T72]      __sys_sendmsg+0xcd/0x170
[  621.226580][   T72]      do_syscall_64+0xc6/0x1e0
[  621.226580][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  621.226580][   T72] 
[  621.228332][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  621.228332][   T72]      neigh_parms_alloc+0x1e5/0x510
[  621.228332][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  621.228332][   T72]      ipv6_find_idev+0x102/0x170
[  621.228332][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  621.228332][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  621.228332][   T72]      netlink_rcv_skb+0x130/0x360
[  621.228332][   T72]      netlink_unicast+0x449/0x710
[  621.228332][   T72]      netlink_sendmsg+0x723/0xbe0
[  621.228332][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  621.228332][   T72]      ___sys_sendmsg+0xee/0x170
[  621.228332][   T72]      __sys_sendmsg+0xcd/0x170
[  621.228332][   T72]      do_syscall_64+0xc6/0x1e0
[  621.228332][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  621.228332][   T72] 
[  621.230234][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  621.230502][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  621.230502][   T72]      netdev_get_by_index+0x5e/0x80
[  621.230502][   T72]      fib6_nh_init+0x3d8/0x1580
[  621.230502][   T72]      ip6_route_info_create+0xf18/0x17d0
[  621.230502][   T72]      ip6_route_add+0x1c/0x140
[  621.230502][   T72]      addrconf_prefix_route+0x2a6/0x430
[  621.230502][   T72]      inet6_addr_add+0x4f8/0xa40
[  621.230502][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  621.230502][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  621.230502][   T72]      netlink_rcv_skb+0x130/0x360
[  621.230502][   T72]      netlink_unicast+0x449/0x710
[  621.230502][   T72]      netlink_sendmsg+0x723/0xbe0
[  621.230502][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  621.230502][   T72]      ___sys_sendmsg+0xee/0x170
[  621.230502][   T72]      __sys_sendmsg+0xcd/0x170
[  621.230502][   T72]      do_syscall_64+0xc6/0x1e0
[  621.230502][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  621.230502][   T72] 
[  621.232761][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  621.232761][   T72]      netdev_get_by_index+0x5e/0x80
[  621.232761][   T72]      fib6_nh_init+0x3d8/0x1580
[  621.232761][   T72]      ip6_route_info_create+0xf18/0x17d0
[  621.232761][   T72]      addrconf_f6i_alloc+0x315/0x560
[  621.232761][   T72]      ipv6_add_addr+0x411/0x2000
[  621.232761][   T72]      inet6_addr_add+0x30e/0xa40
[  621.232761][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  621.232761][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  621.232761][   T72]      netlink_rcv_skb+0x130/0x360
[  621.232761][   T72]      netlink_unicast+0x449/0x710
[  621.232761][   T72]      netlink_sendmsg+0x723/0xbe0
[  621.232761][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  621.232761][   T72]      ___sys_sendmsg+0xee/0x170
[  621.232761][   T72]      __sys_sendmsg+0xcd/0x170
[  621.232761][   T72]      do_syscall_64+0xc6/0x1e0
[  621.232761][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  621.232761][   T72] 
[  621.235025][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  621.235025][   T72]      netdev_get_by_index+0x5e/0x80
[  621.235025][   T72]      fib6_nh_init+0x3d8/0x1580
[  621.235025][   T72]      ip6_route_info_create+0xf18/0x17d0
[  621.235025][   T72]      ip6_route_add+0x1c/0x140
[  621.235025][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  621.235025][   T72]      addrconf_add_dev+0xe2/0x170
[  621.235025][   T72]      inet6_addr_add+0x12f/0xa40
[  621.235025][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  621.235025][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  621.235025][   T72]      netlink_rcv_skb+0x130/0x360
[  621.235025][   T72]      netlink_unicast+0x449/0x710
[  621.235025][   T72]      netlink_sendmsg+0x723/0xbe0
[  621.235025][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  621.235025][   T72]      ___sys_sendmsg+0xee/0x170
[  621.235025][   T72]      __sys_sendmsg+0xcd/0x170
[  621.235025][   T72]      do_syscall_64+0xc6/0x1e0
[  621.235025][   T72] 
[  621.237254][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  621.237254][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  621.237254][   T72]      ipv6_find_idev+0x102/0x170
[  621.237254][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  621.237254][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  621.237254][   T72]      netlink_rcv_skb+0x130/0x360
[  621.237254][   T72]      netlink_unicast+0x449/0x710
[  621.237254][   T72]      netlink_sendmsg+0x723/0xbe0
[  621.237254][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  621.237254][   T72]      ___sys_sendmsg+0xee/0x170
[  621.237254][   T72]      __sys_sendmsg+0xcd/0x170
[  621.237254][   T72]      do_syscall_64+0xc6/0x1e0
[  621.237254][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  621.237254][   T72] 
[  621.239018][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  621.239018][   T72]      neigh_parms_alloc+0x1e5/0x510
[  621.239018][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  621.239018][   T72]      ipv6_find_idev+0x102/0x170
[  621.239018][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  621.239018][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  621.239018][   T72]      netlink_rcv_skb+0x130/0x360
[  621.239018][   T72]      netlink_unicast+0x449/0x710
[  621.239018][   T72]      netlink_sendmsg+0x723/0xbe0
[  621.239018][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  621.239018][   T72]      ___sys_sendmsg+0xee/0x170
[  621.239018][   T72]      __sys_sendmsg+0xcd/0x170
[  621.239018][   T72]      do_syscall_64+0xc6/0x1e0
[  621.239018][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  621.239018][   T72] 
[  631.303877][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  631.304358][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  631.304358][   T72]      netdev_get_by_index+0x5e/0x80
[  631.304358][   T72]      fib6_nh_init+0x3d8/0x1580
[  631.304358][   T72]      ip6_route_info_create+0xf18/0x17d0
[  631.304358][   T72]      addrconf_f6i_alloc+0x315/0x560
[  631.304358][   T72]      ipv6_add_addr+0x411/0x2000
[  631.304358][   T72]      inet6_addr_add+0x30e/0xa40
[  631.304358][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  631.304358][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  631.304358][   T72]      netlink_rcv_skb+0x130/0x360
[  631.304358][   T72]      netlink_unicast+0x449/0x710
[  631.304358][   T72]      netlink_sendmsg+0x723/0xbe0
[  631.304358][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  631.304358][   T72]      ___sys_sendmsg+0xee/0x170
[  631.304358][   T72]      __sys_sendmsg+0xcd/0x170
[  631.304358][   T72]      do_syscall_64+0xc6/0x1e0
[  631.304358][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  631.304358][   T72] 
[  631.306631][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  631.306631][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  631.306631][   T72]      ipv6_find_idev+0x102/0x170
[  631.306631][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  631.306631][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  631.306631][   T72]      netlink_rcv_skb+0x130/0x360
[  631.306631][   T72]      netlink_unicast+0x449/0x710
[  631.306631][   T72]      netlink_sendmsg+0x723/0xbe0
[  631.306631][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  631.306631][   T72]      ___sys_sendmsg+0xee/0x170
[  631.306631][   T72]      __sys_sendmsg+0xcd/0x170
[  631.306631][   T72]      do_syscall_64+0xc6/0x1e0
[  631.306631][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  631.306631][   T72] 
[  631.308376][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  631.308376][   T72]      neigh_parms_alloc+0x1e5/0x510
[  631.308376][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  631.308376][   T72]      ipv6_find_idev+0x102/0x170
[  631.308376][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  631.308376][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  631.308376][   T72]      netlink_rcv_skb+0x130/0x360
[  631.308376][   T72]      netlink_unicast+0x449/0x710
[  631.308376][   T72]      netlink_sendmsg+0x723/0xbe0
[  631.308376][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  631.308376][   T72]      ___sys_sendmsg+0xee/0x170
[  631.308376][   T72]      __sys_sendmsg+0xcd/0x170
[  631.308376][   T72]      do_syscall_64+0xc6/0x1e0
[  631.308376][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  631.308376][   T72] 
[  631.310274][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  631.310543][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  631.310543][   T72]      netdev_get_by_index+0x5e/0x80
[  631.310543][   T72]      fib6_nh_init+0x3d8/0x1580
[  631.310543][   T72]      ip6_route_info_create+0xf18/0x17d0
[  631.310543][   T72]      ip6_route_add+0x1c/0x140
[  631.310543][   T72]      addrconf_prefix_route+0x2a6/0x430
[  631.310543][   T72]      inet6_addr_add+0x4f8/0xa40
[  631.310543][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  631.310543][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  631.310543][   T72]      netlink_rcv_skb+0x130/0x360
[  631.310543][   T72]      netlink_unicast+0x449/0x710
[  631.310543][   T72]      netlink_sendmsg+0x723/0xbe0
[  631.310543][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  631.310543][   T72]      ___sys_sendmsg+0xee/0x170
[  631.310543][   T72]      __sys_sendmsg+0xcd/0x170
[  631.310543][   T72]      do_syscall_64+0xc6/0x1e0
[  631.310543][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  631.310543][   T72] 
[  631.312802][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  631.312802][   T72]      netdev_get_by_index+0x5e/0x80
[  631.312802][   T72]      fib6_nh_init+0x3d8/0x1580
[  631.312802][   T72]      ip6_route_info_create+0xf18/0x17d0
[  631.312802][   T72]      addrconf_f6i_alloc+0x315/0x560
[  631.312802][   T72]      ipv6_add_addr+0x411/0x2000
[  631.312802][   T72]      inet6_addr_add+0x30e/0xa40
[  631.312802][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  631.312802][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  631.312802][   T72]      netlink_rcv_skb+0x130/0x360
[  631.312802][   T72]      netlink_unicast+0x449/0x710
[  631.312802][   T72]      netlink_sendmsg+0x723/0xbe0
[  631.312802][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  631.312802][   T72]      ___sys_sendmsg+0xee/0x170
[  631.312802][   T72]      __sys_sendmsg+0xcd/0x170
[  631.312802][   T72]      do_syscall_64+0xc6/0x1e0
[  631.312802][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  631.312802][   T72] 
[  631.315065][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  631.315065][   T72]      netdev_get_by_index+0x5e/0x80
[  631.315065][   T72]      fib6_nh_init+0x3d8/0x1580
[  631.315065][   T72]      ip6_route_info_create+0xf18/0x17d0
[  631.315065][   T72]      ip6_route_add+0x1c/0x140
[  631.315065][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  631.315065][   T72]      addrconf_add_dev+0xe2/0x170
[  631.315065][   T72]      inet6_addr_add+0x12f/0xa40
[  631.315065][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  631.315065][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  631.315065][   T72]      netlink_rcv_skb+0x130/0x360
[  631.315065][   T72]      netlink_unicast+0x449/0x710
[  631.315065][   T72]      netlink_sendmsg+0x723/0xbe0
[  631.315065][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  631.315065][   T72]      ___sys_sendmsg+0xee/0x170
[  631.315065][   T72]      __sys_sendmsg+0xcd/0x170
[  631.315065][   T72]      do_syscall_64+0xc6/0x1e0
[  631.315065][   T72] 
[  631.317305][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  631.317305][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  631.317305][   T72]      ipv6_find_idev+0x102/0x170
[  631.317305][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  631.317305][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  631.317305][   T72]      netlink_rcv_skb+0x130/0x360
[  631.317305][   T72]      netlink_unicast+0x449/0x710
[  631.317305][   T72]      netlink_sendmsg+0x723/0xbe0
[  631.317305][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  631.317305][   T72]      ___sys_sendmsg+0xee/0x170
[  631.317305][   T72]      __sys_sendmsg+0xcd/0x170
[  631.317305][   T72]      do_syscall_64+0xc6/0x1e0
[  631.317305][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  631.317305][   T72] 
[  631.319072][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  631.319072][   T72]      neigh_parms_alloc+0x1e5/0x510
[  631.319072][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  631.319072][   T72]      ipv6_find_idev+0x102/0x170
[  631.319072][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  631.319072][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  631.319072][   T72]      netlink_rcv_skb+0x130/0x360
[  631.319072][   T72]      netlink_unicast+0x449/0x710
[  631.319072][   T72]      netlink_sendmsg+0x723/0xbe0
[  631.319072][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  631.319072][   T72]      ___sys_sendmsg+0xee/0x170
[  631.319072][   T72]      __sys_sendmsg+0xcd/0x170
[  631.319072][   T72]      do_syscall_64+0xc6/0x1e0
[  631.319072][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  631.319072][   T72] 
[  641.351906][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  641.352393][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  641.352393][   T72]      netdev_get_by_index+0x5e/0x80
[  641.352393][   T72]      fib6_nh_init+0x3d8/0x1580
[  641.352393][   T72]      ip6_route_info_create+0xf18/0x17d0
[  641.352393][   T72]      addrconf_f6i_alloc+0x315/0x560
[  641.352393][   T72]      ipv6_add_addr+0x411/0x2000
[  641.352393][   T72]      inet6_addr_add+0x30e/0xa40
[  641.352393][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  641.352393][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.352393][   T72]      netlink_rcv_skb+0x130/0x360
[  641.352393][   T72]      netlink_unicast+0x449/0x710
[  641.352393][   T72]      netlink_sendmsg+0x723/0xbe0
[  641.352393][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  641.352393][   T72]      ___sys_sendmsg+0xee/0x170
[  641.352393][   T72]      __sys_sendmsg+0xcd/0x170
[  641.352393][   T72]      do_syscall_64+0xc6/0x1e0
[  641.352393][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.352393][   T72] 
[  641.354667][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  641.354667][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  641.354667][   T72]      ipv6_find_idev+0x102/0x170
[  641.354667][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  641.354667][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.354667][   T72]      netlink_rcv_skb+0x130/0x360
[  641.354667][   T72]      netlink_unicast+0x449/0x710
[  641.354667][   T72]      netlink_sendmsg+0x723/0xbe0
[  641.354667][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  641.354667][   T72]      ___sys_sendmsg+0xee/0x170
[  641.354667][   T72]      __sys_sendmsg+0xcd/0x170
[  641.354667][   T72]      do_syscall_64+0xc6/0x1e0
[  641.354667][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.354667][   T72] 
[  641.356421][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  641.356421][   T72]      neigh_parms_alloc+0x1e5/0x510
[  641.356421][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  641.356421][   T72]      ipv6_find_idev+0x102/0x170
[  641.356421][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  641.356421][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.356421][   T72]      netlink_rcv_skb+0x130/0x360
[  641.356421][   T72]      netlink_unicast+0x449/0x710
[  641.356421][   T72]      netlink_sendmsg+0x723/0xbe0
[  641.356421][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  641.356421][   T72]      ___sys_sendmsg+0xee/0x170
[  641.356421][   T72]      __sys_sendmsg+0xcd/0x170
[  641.356421][   T72]      do_syscall_64+0xc6/0x1e0
[  641.356421][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.356421][   T72] 
[  641.358329][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  641.358608][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  641.358608][   T72]      netdev_get_by_index+0x5e/0x80
[  641.358608][   T72]      fib6_nh_init+0x3d8/0x1580
[  641.358608][   T72]      ip6_route_info_create+0xf18/0x17d0
[  641.358608][   T72]      ip6_route_add+0x1c/0x140
[  641.358608][   T72]      addrconf_prefix_route+0x2a6/0x430
[  641.358608][   T72]      inet6_addr_add+0x4f8/0xa40
[  641.358608][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  641.358608][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.358608][   T72]      netlink_rcv_skb+0x130/0x360
[  641.358608][   T72]      netlink_unicast+0x449/0x710
[  641.358608][   T72]      netlink_sendmsg+0x723/0xbe0
[  641.358608][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  641.358608][   T72]      ___sys_sendmsg+0xee/0x170
[  641.358608][   T72]      __sys_sendmsg+0xcd/0x170
[  641.358608][   T72]      do_syscall_64+0xc6/0x1e0
[  641.358608][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.358608][   T72] 
[  641.360857][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  641.360857][   T72]      netdev_get_by_index+0x5e/0x80
[  641.360857][   T72]      fib6_nh_init+0x3d8/0x1580
[  641.360857][   T72]      ip6_route_info_create+0xf18/0x17d0
[  641.360857][   T72]      addrconf_f6i_alloc+0x315/0x560
[  641.360857][   T72]      ipv6_add_addr+0x411/0x2000
[  641.360857][   T72]      inet6_addr_add+0x30e/0xa40
[  641.360857][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  641.360857][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.360857][   T72]      netlink_rcv_skb+0x130/0x360
[  641.360857][   T72]      netlink_unicast+0x449/0x710
[  641.360857][   T72]      netlink_sendmsg+0x723/0xbe0
[  641.360857][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  641.360857][   T72]      ___sys_sendmsg+0xee/0x170
[  641.360857][   T72]      __sys_sendmsg+0xcd/0x170
[  641.360857][   T72]      do_syscall_64+0xc6/0x1e0
[  641.360857][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.360857][   T72] 
[  641.363118][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  641.363118][   T72]      netdev_get_by_index+0x5e/0x80
[  641.363118][   T72]      fib6_nh_init+0x3d8/0x1580
[  641.363118][   T72]      ip6_route_info_create+0xf18/0x17d0
[  641.363118][   T72]      ip6_route_add+0x1c/0x140
[  641.363118][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  641.363118][   T72]      addrconf_add_dev+0xe2/0x170
[  641.363118][   T72]      inet6_addr_add+0x12f/0xa40
[  641.363118][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  641.363118][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.363118][   T72]      netlink_rcv_skb+0x130/0x360
[  641.363118][   T72]      netlink_unicast+0x449/0x710
[  641.363118][   T72]      netlink_sendmsg+0x723/0xbe0
[  641.363118][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  641.363118][   T72]      ___sys_sendmsg+0xee/0x170
[  641.363118][   T72]      __sys_sendmsg+0xcd/0x170
[  641.363118][   T72]      do_syscall_64+0xc6/0x1e0
[  641.363118][   T72] 
[  641.365328][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  641.365328][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  641.365328][   T72]      ipv6_find_idev+0x102/0x170
[  641.365328][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  641.365328][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.365328][   T72]      netlink_rcv_skb+0x130/0x360
[  641.365328][   T72]      netlink_unicast+0x449/0x710
[  641.365328][   T72]      netlink_sendmsg+0x723/0xbe0
[  641.365328][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  641.365328][   T72]      ___sys_sendmsg+0xee/0x170
[  641.365328][   T72]      __sys_sendmsg+0xcd/0x170
[  641.365328][   T72]      do_syscall_64+0xc6/0x1e0
[  641.365328][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.365328][   T72] 
[  641.367077][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  641.367077][   T72]      neigh_parms_alloc+0x1e5/0x510
[  641.367077][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  641.367077][   T72]      ipv6_find_idev+0x102/0x170
[  641.367077][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  641.367077][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.367077][   T72]      netlink_rcv_skb+0x130/0x360
[  641.367077][   T72]      netlink_unicast+0x449/0x710
[  641.367077][   T72]      netlink_sendmsg+0x723/0xbe0
[  641.367077][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  641.367077][   T72]      ___sys_sendmsg+0xee/0x170
[  641.367077][   T72]      __sys_sendmsg+0xcd/0x170
[  641.367077][   T72]      do_syscall_64+0xc6/0x1e0
[  641.367077][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.367077][   T72] 
[  651.447903][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  651.448346][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  651.448346][   T72]      netdev_get_by_index+0x5e/0x80
[  651.448346][   T72]      fib6_nh_init+0x3d8/0x1580
[  651.448346][   T72]      ip6_route_info_create+0xf18/0x17d0
[  651.448346][   T72]      addrconf_f6i_alloc+0x315/0x560
[  651.448346][   T72]      ipv6_add_addr+0x411/0x2000
[  651.448346][   T72]      inet6_addr_add+0x30e/0xa40
[  651.448346][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  651.448346][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.448346][   T72]      netlink_rcv_skb+0x130/0x360
[  651.448346][   T72]      netlink_unicast+0x449/0x710
[  651.448346][   T72]      netlink_sendmsg+0x723/0xbe0
[  651.448346][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  651.448346][   T72]      ___sys_sendmsg+0xee/0x170
[  651.448346][   T72]      __sys_sendmsg+0xcd/0x170
[  651.448346][   T72]      do_syscall_64+0xc6/0x1e0
[  651.448346][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.448346][   T72] 
[  651.450681][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  651.450681][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  651.450681][   T72]      ipv6_find_idev+0x102/0x170
[  651.450681][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  651.450681][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.450681][   T72]      netlink_rcv_skb+0x130/0x360
[  651.450681][   T72]      netlink_unicast+0x449/0x710
[  651.450681][   T72]      netlink_sendmsg+0x723/0xbe0
[  651.450681][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  651.450681][   T72]      ___sys_sendmsg+0xee/0x170
[  651.450681][   T72]      __sys_sendmsg+0xcd/0x170
[  651.450681][   T72]      do_syscall_64+0xc6/0x1e0
[  651.450681][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.450681][   T72] 
[  651.452599][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  651.452599][   T72]      neigh_parms_alloc+0x1e5/0x510
[  651.452599][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  651.452599][   T72]      ipv6_find_idev+0x102/0x170
[  651.452599][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  651.452599][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.452599][   T72]      netlink_rcv_skb+0x130/0x360
[  651.452599][   T72]      netlink_unicast+0x449/0x710
[  651.452599][   T72]      netlink_sendmsg+0x723/0xbe0
[  651.452599][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  651.452599][   T72]      ___sys_sendmsg+0xee/0x170
[  651.452599][   T72]      __sys_sendmsg+0xcd/0x170
[  651.452599][   T72]      do_syscall_64+0xc6/0x1e0
[  651.452599][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.452599][   T72] 
[  651.454566][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  651.454855][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  651.454855][   T72]      netdev_get_by_index+0x5e/0x80
[  651.454855][   T72]      fib6_nh_init+0x3d8/0x1580
[  651.454855][   T72]      ip6_route_info_create+0xf18/0x17d0
[  651.454855][   T72]      ip6_route_add+0x1c/0x140
[  651.454855][   T72]      addrconf_prefix_route+0x2a6/0x430
[  651.454855][   T72]      inet6_addr_add+0x4f8/0xa40
[  651.454855][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  651.454855][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.454855][   T72]      netlink_rcv_skb+0x130/0x360
[  651.454855][   T72]      netlink_unicast+0x449/0x710
[  651.454855][   T72]      netlink_sendmsg+0x723/0xbe0
[  651.454855][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  651.454855][   T72]      ___sys_sendmsg+0xee/0x170
[  651.454855][   T72]      __sys_sendmsg+0xcd/0x170
[  651.454855][   T72]      do_syscall_64+0xc6/0x1e0
[  651.454855][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.454855][   T72] 
[  651.457179][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  651.457179][   T72]      netdev_get_by_index+0x5e/0x80
[  651.457179][   T72]      fib6_nh_init+0x3d8/0x1580
[  651.457179][   T72]      ip6_route_info_create+0xf18/0x17d0
[  651.457179][   T72]      addrconf_f6i_alloc+0x315/0x560
[  651.457179][   T72]      ipv6_add_addr+0x411/0x2000
[  651.457179][   T72]      inet6_addr_add+0x30e/0xa40
[  651.457179][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  651.457179][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.457179][   T72]      netlink_rcv_skb+0x130/0x360
[  651.457179][   T72]      netlink_unicast+0x449/0x710
[  651.457179][   T72]      netlink_sendmsg+0x723/0xbe0
[  651.457179][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  651.457179][   T72]      ___sys_sendmsg+0xee/0x170
[  651.457179][   T72]      __sys_sendmsg+0xcd/0x170
[  651.457179][   T72]      do_syscall_64+0xc6/0x1e0
[  651.457179][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.457179][   T72] 
[  651.459484][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  651.459484][   T72]      netdev_get_by_index+0x5e/0x80
[  651.459484][   T72]      fib6_nh_init+0x3d8/0x1580
[  651.459484][   T72]      ip6_route_info_create+0xf18/0x17d0
[  651.459484][   T72]      ip6_route_add+0x1c/0x140
[  651.459484][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  651.459484][   T72]      addrconf_add_dev+0xe2/0x170
[  651.459484][   T72]      inet6_addr_add+0x12f/0xa40
[  651.459484][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  651.459484][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.459484][   T72]      netlink_rcv_skb+0x130/0x360
[  651.459484][   T72]      netlink_unicast+0x449/0x710
[  651.459484][   T72]      netlink_sendmsg+0x723/0xbe0
[  651.459484][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  651.459484][   T72]      ___sys_sendmsg+0xee/0x170
[  651.459484][   T72]      __sys_sendmsg+0xcd/0x170
[  651.459484][   T72]      do_syscall_64+0xc6/0x1e0
[  651.459484][   T72] 
[  651.461763][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  651.461763][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  651.461763][   T72]      ipv6_find_idev+0x102/0x170
[  651.461763][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  651.461763][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.461763][   T72]      netlink_rcv_skb+0x130/0x360
[  651.461763][   T72]      netlink_unicast+0x449/0x710
[  651.461763][   T72]      netlink_sendmsg+0x723/0xbe0
[  651.461763][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  651.461763][   T72]      ___sys_sendmsg+0xee/0x170
[  651.461763][   T72]      __sys_sendmsg+0xcd/0x170
[  651.461763][   T72]      do_syscall_64+0xc6/0x1e0
[  651.461763][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.461763][   T72] 
[  651.463537][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  651.463537][   T72]      neigh_parms_alloc+0x1e5/0x510
[  651.463537][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  651.463537][   T72]      ipv6_find_idev+0x102/0x170
[  651.463537][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  651.463537][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.463537][   T72]      netlink_rcv_skb+0x130/0x360
[  651.463537][   T72]      netlink_unicast+0x449/0x710
[  651.463537][   T72]      netlink_sendmsg+0x723/0xbe0
[  651.463537][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  651.463537][   T72]      ___sys_sendmsg+0xee/0x170
[  651.463537][   T72]      __sys_sendmsg+0xcd/0x170
[  651.463537][   T72]      do_syscall_64+0xc6/0x1e0
[  651.463537][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.463537][   T72] 
[  661.591918][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  661.592418][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  661.592418][   T72]      netdev_get_by_index+0x5e/0x80
[  661.592418][   T72]      fib6_nh_init+0x3d8/0x1580
[  661.592418][   T72]      ip6_route_info_create+0xf18/0x17d0
[  661.592418][   T72]      addrconf_f6i_alloc+0x315/0x560
[  661.592418][   T72]      ipv6_add_addr+0x411/0x2000
[  661.592418][   T72]      inet6_addr_add+0x30e/0xa40
[  661.592418][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  661.592418][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.592418][   T72]      netlink_rcv_skb+0x130/0x360
[  661.592418][   T72]      netlink_unicast+0x449/0x710
[  661.592418][   T72]      netlink_sendmsg+0x723/0xbe0
[  661.592418][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  661.592418][   T72]      ___sys_sendmsg+0xee/0x170
[  661.592418][   T72]      __sys_sendmsg+0xcd/0x170
[  661.592418][   T72]      do_syscall_64+0xc6/0x1e0
[  661.592418][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.592418][   T72] 
[  661.594768][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  661.594768][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  661.594768][   T72]      ipv6_find_idev+0x102/0x170
[  661.594768][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  661.594768][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.594768][   T72]      netlink_rcv_skb+0x130/0x360
[  661.594768][   T72]      netlink_unicast+0x449/0x710
[  661.594768][   T72]      netlink_sendmsg+0x723/0xbe0
[  661.594768][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  661.594768][   T72]      ___sys_sendmsg+0xee/0x170
[  661.594768][   T72]      __sys_sendmsg+0xcd/0x170
[  661.594768][   T72]      do_syscall_64+0xc6/0x1e0
[  661.594768][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.594768][   T72] 
[  661.596565][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  661.596565][   T72]      neigh_parms_alloc+0x1e5/0x510
[  661.596565][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  661.596565][   T72]      ipv6_find_idev+0x102/0x170
[  661.596565][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  661.596565][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.596565][   T72]      netlink_rcv_skb+0x130/0x360
[  661.596565][   T72]      netlink_unicast+0x449/0x710
[  661.596565][   T72]      netlink_sendmsg+0x723/0xbe0
[  661.596565][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  661.596565][   T72]      ___sys_sendmsg+0xee/0x170
[  661.596565][   T72]      __sys_sendmsg+0xcd/0x170
[  661.596565][   T72]      do_syscall_64+0xc6/0x1e0
[  661.596565][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.596565][   T72] 
[  661.598565][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  661.598860][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  661.598860][   T72]      netdev_get_by_index+0x5e/0x80
[  661.598860][   T72]      fib6_nh_init+0x3d8/0x1580
[  661.598860][   T72]      ip6_route_info_create+0xf18/0x17d0
[  661.598860][   T72]      ip6_route_add+0x1c/0x140
[  661.598860][   T72]      addrconf_prefix_route+0x2a6/0x430
[  661.598860][   T72]      inet6_addr_add+0x4f8/0xa40
[  661.598860][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  661.598860][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.598860][   T72]      netlink_rcv_skb+0x130/0x360
[  661.598860][   T72]      netlink_unicast+0x449/0x710
[  661.598860][   T72]      netlink_sendmsg+0x723/0xbe0
[  661.598860][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  661.598860][   T72]      ___sys_sendmsg+0xee/0x170
[  661.598860][   T72]      __sys_sendmsg+0xcd/0x170
[  661.598860][   T72]      do_syscall_64+0xc6/0x1e0
[  661.598860][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.598860][   T72] 
[  661.601285][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  661.601285][   T72]      netdev_get_by_index+0x5e/0x80
[  661.601285][   T72]      fib6_nh_init+0x3d8/0x1580
[  661.601285][   T72]      ip6_route_info_create+0xf18/0x17d0
[  661.601285][   T72]      addrconf_f6i_alloc+0x315/0x560
[  661.601285][   T72]      ipv6_add_addr+0x411/0x2000
[  661.601285][   T72]      inet6_addr_add+0x30e/0xa40
[  661.601285][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  661.601285][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.601285][   T72]      netlink_rcv_skb+0x130/0x360
[  661.601285][   T72]      netlink_unicast+0x449/0x710
[  661.601285][   T72]      netlink_sendmsg+0x723/0xbe0
[  661.601285][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  661.601285][   T72]      ___sys_sendmsg+0xee/0x170
[  661.601285][   T72]      __sys_sendmsg+0xcd/0x170
[  661.601285][   T72]      do_syscall_64+0xc6/0x1e0
[  661.601285][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.601285][   T72] 
[  661.603597][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  661.603597][   T72]      netdev_get_by_index+0x5e/0x80
[  661.603597][   T72]      fib6_nh_init+0x3d8/0x1580
[  661.603597][   T72]      ip6_route_info_create+0xf18/0x17d0
[  661.603597][   T72]      ip6_route_add+0x1c/0x140
[  661.603597][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  661.603597][   T72]      addrconf_add_dev+0xe2/0x170
[  661.603597][   T72]      inet6_addr_add+0x12f/0xa40
[  661.603597][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  661.603597][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.603597][   T72]      netlink_rcv_skb+0x130/0x360
[  661.603597][   T72]      netlink_unicast+0x449/0x710
[  661.603597][   T72]      netlink_sendmsg+0x723/0xbe0
[  661.603597][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  661.603597][   T72]      ___sys_sendmsg+0xee/0x170
[  661.603597][   T72]      __sys_sendmsg+0xcd/0x170
[  661.603597][   T72]      do_syscall_64+0xc6/0x1e0
[  661.603597][   T72] 
[  661.605875][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  661.605875][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  661.605875][   T72]      ipv6_find_idev+0x102/0x170
[  661.605875][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  661.605875][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.605875][   T72]      netlink_rcv_skb+0x130/0x360
[  661.605875][   T72]      netlink_unicast+0x449/0x710
[  661.605875][   T72]      netlink_sendmsg+0x723/0xbe0
[  661.605875][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  661.605875][   T72]      ___sys_sendmsg+0xee/0x170
[  661.605875][   T72]      __sys_sendmsg+0xcd/0x170
[  661.605875][   T72]      do_syscall_64+0xc6/0x1e0
[  661.605875][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.605875][   T72] 
[  661.607669][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  661.607669][   T72]      neigh_parms_alloc+0x1e5/0x510
[  661.607669][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  661.607669][   T72]      ipv6_find_idev+0x102/0x170
[  661.607669][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  661.607669][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.607669][   T72]      netlink_rcv_skb+0x130/0x360
[  661.607669][   T72]      netlink_unicast+0x449/0x710
[  661.607669][   T72]      netlink_sendmsg+0x723/0xbe0
[  661.607669][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  661.607669][   T72]      ___sys_sendmsg+0xee/0x170
[  661.607669][   T72]      __sys_sendmsg+0xcd/0x170
[  661.607669][   T72]      do_syscall_64+0xc6/0x1e0
[  661.607669][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.607669][   T72] 
[  671.847880][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  671.848390][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  671.848390][   T72]      netdev_get_by_index+0x5e/0x80
[  671.848390][   T72]      fib6_nh_init+0x3d8/0x1580
[  671.848390][   T72]      ip6_route_info_create+0xf18/0x17d0
[  671.848390][   T72]      addrconf_f6i_alloc+0x315/0x560
[  671.848390][   T72]      ipv6_add_addr+0x411/0x2000
[  671.848390][   T72]      inet6_addr_add+0x30e/0xa40
[  671.848390][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  671.848390][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.848390][   T72]      netlink_rcv_skb+0x130/0x360
[  671.848390][   T72]      netlink_unicast+0x449/0x710
[  671.848390][   T72]      netlink_sendmsg+0x723/0xbe0
[  671.848390][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  671.848390][   T72]      ___sys_sendmsg+0xee/0x170
[  671.848390][   T72]      __sys_sendmsg+0xcd/0x170
[  671.848390][   T72]      do_syscall_64+0xc6/0x1e0
[  671.848390][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.848390][   T72] 
[  671.850716][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  671.850716][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  671.850716][   T72]      ipv6_find_idev+0x102/0x170
[  671.850716][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  671.850716][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.850716][   T72]      netlink_rcv_skb+0x130/0x360
[  671.850716][   T72]      netlink_unicast+0x449/0x710
[  671.850716][   T72]      netlink_sendmsg+0x723/0xbe0
[  671.850716][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  671.850716][   T72]      ___sys_sendmsg+0xee/0x170
[  671.850716][   T72]      __sys_sendmsg+0xcd/0x170
[  671.850716][   T72]      do_syscall_64+0xc6/0x1e0
[  671.850716][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.850716][   T72] 
[  671.852494][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  671.852494][   T72]      neigh_parms_alloc+0x1e5/0x510
[  671.852494][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  671.852494][   T72]      ipv6_find_idev+0x102/0x170
[  671.852494][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  671.852494][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.852494][   T72]      netlink_rcv_skb+0x130/0x360
[  671.852494][   T72]      netlink_unicast+0x449/0x710
[  671.852494][   T72]      netlink_sendmsg+0x723/0xbe0
[  671.852494][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  671.852494][   T72]      ___sys_sendmsg+0xee/0x170
[  671.852494][   T72]      __sys_sendmsg+0xcd/0x170
[  671.852494][   T72]      do_syscall_64+0xc6/0x1e0
[  671.852494][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.852494][   T72] 
[  671.854451][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  671.854735][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  671.854735][   T72]      netdev_get_by_index+0x5e/0x80
[  671.854735][   T72]      fib6_nh_init+0x3d8/0x1580
[  671.854735][   T72]      ip6_route_info_create+0xf18/0x17d0
[  671.854735][   T72]      ip6_route_add+0x1c/0x140
[  671.854735][   T72]      addrconf_prefix_route+0x2a6/0x430
[  671.854735][   T72]      inet6_addr_add+0x4f8/0xa40
[  671.854735][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  671.854735][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.854735][   T72]      netlink_rcv_skb+0x130/0x360
[  671.854735][   T72]      netlink_unicast+0x449/0x710
[  671.854735][   T72]      netlink_sendmsg+0x723/0xbe0
[  671.854735][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  671.854735][   T72]      ___sys_sendmsg+0xee/0x170
[  671.854735][   T72]      __sys_sendmsg+0xcd/0x170
[  671.854735][   T72]      do_syscall_64+0xc6/0x1e0
[  671.854735][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.854735][   T72] 
[  671.857026][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  671.857026][   T72]      netdev_get_by_index+0x5e/0x80
[  671.857026][   T72]      fib6_nh_init+0x3d8/0x1580
[  671.857026][   T72]      ip6_route_info_create+0xf18/0x17d0
[  671.857026][   T72]      addrconf_f6i_alloc+0x315/0x560
[  671.857026][   T72]      ipv6_add_addr+0x411/0x2000
[  671.857026][   T72]      inet6_addr_add+0x30e/0xa40
[  671.857026][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  671.857026][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.857026][   T72]      netlink_rcv_skb+0x130/0x360
[  671.857026][   T72]      netlink_unicast+0x449/0x710
[  671.857026][   T72]      netlink_sendmsg+0x723/0xbe0
[  671.857026][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  671.857026][   T72]      ___sys_sendmsg+0xee/0x170
[  671.857026][   T72]      __sys_sendmsg+0xcd/0x170
[  671.857026][   T72]      do_syscall_64+0xc6/0x1e0
[  671.857026][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.857026][   T72] 
[  671.859354][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  671.859354][   T72]      netdev_get_by_index+0x5e/0x80
[  671.859354][   T72]      fib6_nh_init+0x3d8/0x1580
[  671.859354][   T72]      ip6_route_info_create+0xf18/0x17d0
[  671.859354][   T72]      ip6_route_add+0x1c/0x140
[  671.859354][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  671.859354][   T72]      addrconf_add_dev+0xe2/0x170
[  671.859354][   T72]      inet6_addr_add+0x12f/0xa40
[  671.859354][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  671.859354][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.859354][   T72]      netlink_rcv_skb+0x130/0x360
[  671.859354][   T72]      netlink_unicast+0x449/0x710
[  671.859354][   T72]      netlink_sendmsg+0x723/0xbe0
[  671.859354][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  671.859354][   T72]      ___sys_sendmsg+0xee/0x170
[  671.859354][   T72]      __sys_sendmsg+0xcd/0x170
[  671.859354][   T72]      do_syscall_64+0xc6/0x1e0
[  671.859354][   T72] 
[  671.861583][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  671.861583][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  671.861583][   T72]      ipv6_find_idev+0x102/0x170
[  671.861583][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  671.861583][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.861583][   T72]      netlink_rcv_skb+0x130/0x360
[  671.861583][   T72]      netlink_unicast+0x449/0x710
[  671.861583][   T72]      netlink_sendmsg+0x723/0xbe0
[  671.861583][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  671.861583][   T72]      ___sys_sendmsg+0xee/0x170
[  671.861583][   T72]      __sys_sendmsg+0xcd/0x170
[  671.861583][   T72]      do_syscall_64+0xc6/0x1e0
[  671.861583][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.861583][   T72] 
[  671.863350][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  671.863350][   T72]      neigh_parms_alloc+0x1e5/0x510
[  671.863350][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  671.863350][   T72]      ipv6_find_idev+0x102/0x170
[  671.863350][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  671.863350][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.863350][   T72]      netlink_rcv_skb+0x130/0x360
[  671.863350][   T72]      netlink_unicast+0x449/0x710
[  671.863350][   T72]      netlink_sendmsg+0x723/0xbe0
[  671.863350][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  671.863350][   T72]      ___sys_sendmsg+0xee/0x170
[  671.863350][   T72]      __sys_sendmsg+0xcd/0x170
[  671.863350][   T72]      do_syscall_64+0xc6/0x1e0
[  671.863350][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.863350][   T72] 
[  681.951882][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  681.952398][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  681.952398][   T72]      netdev_get_by_index+0x5e/0x80
[  681.952398][   T72]      fib6_nh_init+0x3d8/0x1580
[  681.952398][   T72]      ip6_route_info_create+0xf18/0x17d0
[  681.952398][   T72]      addrconf_f6i_alloc+0x315/0x560
[  681.952398][   T72]      ipv6_add_addr+0x411/0x2000
[  681.952398][   T72]      inet6_addr_add+0x30e/0xa40
[  681.952398][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  681.952398][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.952398][   T72]      netlink_rcv_skb+0x130/0x360
[  681.952398][   T72]      netlink_unicast+0x449/0x710
[  681.952398][   T72]      netlink_sendmsg+0x723/0xbe0
[  681.952398][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  681.952398][   T72]      ___sys_sendmsg+0xee/0x170
[  681.952398][   T72]      __sys_sendmsg+0xcd/0x170
[  681.952398][   T72]      do_syscall_64+0xc6/0x1e0
[  681.952398][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.952398][   T72] 
[  681.954743][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  681.954743][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  681.954743][   T72]      ipv6_find_idev+0x102/0x170
[  681.954743][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  681.954743][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.954743][   T72]      netlink_rcv_skb+0x130/0x360
[  681.954743][   T72]      netlink_unicast+0x449/0x710
[  681.954743][   T72]      netlink_sendmsg+0x723/0xbe0
[  681.954743][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  681.954743][   T72]      ___sys_sendmsg+0xee/0x170
[  681.954743][   T72]      __sys_sendmsg+0xcd/0x170
[  681.954743][   T72]      do_syscall_64+0xc6/0x1e0
[  681.954743][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.954743][   T72] 
[  681.956513][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  681.956513][   T72]      neigh_parms_alloc+0x1e5/0x510
[  681.956513][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  681.956513][   T72]      ipv6_find_idev+0x102/0x170
[  681.956513][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  681.956513][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.956513][   T72]      netlink_rcv_skb+0x130/0x360
[  681.956513][   T72]      netlink_unicast+0x449/0x710
[  681.956513][   T72]      netlink_sendmsg+0x723/0xbe0
[  681.956513][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  681.956513][   T72]      ___sys_sendmsg+0xee/0x170
[  681.956513][   T72]      __sys_sendmsg+0xcd/0x170
[  681.956513][   T72]      do_syscall_64+0xc6/0x1e0
[  681.956513][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.956513][   T72] 
[  681.958475][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  681.958756][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  681.958756][   T72]      netdev_get_by_index+0x5e/0x80
[  681.958756][   T72]      fib6_nh_init+0x3d8/0x1580
[  681.958756][   T72]      ip6_route_info_create+0xf18/0x17d0
[  681.958756][   T72]      ip6_route_add+0x1c/0x140
[  681.958756][   T72]      addrconf_prefix_route+0x2a6/0x430
[  681.958756][   T72]      inet6_addr_add+0x4f8/0xa40
[  681.958756][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  681.958756][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.958756][   T72]      netlink_rcv_skb+0x130/0x360
[  681.958756][   T72]      netlink_unicast+0x449/0x710
[  681.958756][   T72]      netlink_sendmsg+0x723/0xbe0
[  681.958756][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  681.958756][   T72]      ___sys_sendmsg+0xee/0x170
[  681.958756][   T72]      __sys_sendmsg+0xcd/0x170
[  681.958756][   T72]      do_syscall_64+0xc6/0x1e0
[  681.958756][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.958756][   T72] 
[  681.961053][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  681.961053][   T72]      netdev_get_by_index+0x5e/0x80
[  681.961053][   T72]      fib6_nh_init+0x3d8/0x1580
[  681.961053][   T72]      ip6_route_info_create+0xf18/0x17d0
[  681.961053][   T72]      addrconf_f6i_alloc+0x315/0x560
[  681.961053][   T72]      ipv6_add_addr+0x411/0x2000
[  681.961053][   T72]      inet6_addr_add+0x30e/0xa40
[  681.961053][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  681.961053][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.961053][   T72]      netlink_rcv_skb+0x130/0x360
[  681.961053][   T72]      netlink_unicast+0x449/0x710
[  681.961053][   T72]      netlink_sendmsg+0x723/0xbe0
[  681.961053][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  681.961053][   T72]      ___sys_sendmsg+0xee/0x170
[  681.961053][   T72]      __sys_sendmsg+0xcd/0x170
[  681.961053][   T72]      do_syscall_64+0xc6/0x1e0
[  681.961053][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.961053][   T72] 
[  681.963390][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  681.963390][   T72]      netdev_get_by_index+0x5e/0x80
[  681.963390][   T72]      fib6_nh_init+0x3d8/0x1580
[  681.963390][   T72]      ip6_route_info_create+0xf18/0x17d0
[  681.963390][   T72]      ip6_route_add+0x1c/0x140
[  681.963390][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  681.963390][   T72]      addrconf_add_dev+0xe2/0x170
[  681.963390][   T72]      inet6_addr_add+0x12f/0xa40
[  681.963390][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  681.963390][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.963390][   T72]      netlink_rcv_skb+0x130/0x360
[  681.963390][   T72]      netlink_unicast+0x449/0x710
[  681.963390][   T72]      netlink_sendmsg+0x723/0xbe0
[  681.963390][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  681.963390][   T72]      ___sys_sendmsg+0xee/0x170
[  681.963390][   T72]      __sys_sendmsg+0xcd/0x170
[  681.963390][   T72]      do_syscall_64+0xc6/0x1e0
[  681.963390][   T72] 
[  681.965659][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  681.965659][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  681.965659][   T72]      ipv6_find_idev+0x102/0x170
[  681.965659][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  681.965659][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.965659][   T72]      netlink_rcv_skb+0x130/0x360
[  681.965659][   T72]      netlink_unicast+0x449/0x710
[  681.965659][   T72]      netlink_sendmsg+0x723/0xbe0
[  681.965659][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  681.965659][   T72]      ___sys_sendmsg+0xee/0x170
[  681.965659][   T72]      __sys_sendmsg+0xcd/0x170
[  681.965659][   T72]      do_syscall_64+0xc6/0x1e0
[  681.965659][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.965659][   T72] 
[  681.967424][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  681.967424][   T72]      neigh_parms_alloc+0x1e5/0x510
[  681.967424][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  681.967424][   T72]      ipv6_find_idev+0x102/0x170
[  681.967424][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  681.967424][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.967424][   T72]      netlink_rcv_skb+0x130/0x360
[  681.967424][   T72]      netlink_unicast+0x449/0x710
[  681.967424][   T72]      netlink_sendmsg+0x723/0xbe0
[  681.967424][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  681.967424][   T72]      ___sys_sendmsg+0xee/0x170
[  681.967424][   T72]      __sys_sendmsg+0xcd/0x170
[  681.967424][   T72]      do_syscall_64+0xc6/0x1e0
[  681.967424][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.967424][   T72] 
[  692.223897][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  692.224356][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  692.224356][   T72]      netdev_get_by_index+0x5e/0x80
[  692.224356][   T72]      fib6_nh_init+0x3d8/0x1580
[  692.224356][   T72]      ip6_route_info_create+0xf18/0x17d0
[  692.224356][   T72]      addrconf_f6i_alloc+0x315/0x560
[  692.224356][   T72]      ipv6_add_addr+0x411/0x2000
[  692.224356][   T72]      inet6_addr_add+0x30e/0xa40
[  692.224356][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  692.224356][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  692.224356][   T72]      netlink_rcv_skb+0x130/0x360
[  692.224356][   T72]      netlink_unicast+0x449/0x710
[  692.224356][   T72]      netlink_sendmsg+0x723/0xbe0
[  692.224356][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  692.224356][   T72]      ___sys_sendmsg+0xee/0x170
[  692.224356][   T72]      __sys_sendmsg+0xcd/0x170
[  692.224356][   T72]      do_syscall_64+0xc6/0x1e0
[  692.224356][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  692.224356][   T72] 
[  692.226710][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  692.226710][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  692.226710][   T72]      ipv6_find_idev+0x102/0x170
[  692.226710][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  692.226710][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  692.226710][   T72]      netlink_rcv_skb+0x130/0x360
[  692.226710][   T72]      netlink_unicast+0x449/0x710
[  692.226710][   T72]      netlink_sendmsg+0x723/0xbe0
[  692.226710][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  692.226710][   T72]      ___sys_sendmsg+0xee/0x170
[  692.226710][   T72]      __sys_sendmsg+0xcd/0x170
[  692.226710][   T72]      do_syscall_64+0xc6/0x1e0
[  692.226710][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  692.226710][   T72] 
[  692.228504][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  692.228504][   T72]      neigh_parms_alloc+0x1e5/0x510
[  692.228504][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  692.228504][   T72]      ipv6_find_idev+0x102/0x170
[  692.228504][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  692.228504][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  692.228504][   T72]      netlink_rcv_skb+0x130/0x360
[  692.228504][   T72]      netlink_unicast+0x449/0x710
[  692.228504][   T72]      netlink_sendmsg+0x723/0xbe0
[  692.228504][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  692.228504][   T72]      ___sys_sendmsg+0xee/0x170
[  692.228504][   T72]      __sys_sendmsg+0xcd/0x170
[  692.228504][   T72]      do_syscall_64+0xc6/0x1e0
[  692.228504][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  692.228504][   T72] 
[  692.230477][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  692.230755][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  692.230755][   T72]      netdev_get_by_index+0x5e/0x80
[  692.230755][   T72]      fib6_nh_init+0x3d8/0x1580
[  692.230755][   T72]      ip6_route_info_create+0xf18/0x17d0
[  692.230755][   T72]      ip6_route_add+0x1c/0x140
[  692.230755][   T72]      addrconf_prefix_route+0x2a6/0x430
[  692.230755][   T72]      inet6_addr_add+0x4f8/0xa40
[  692.230755][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  692.230755][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  692.230755][   T72]      netlink_rcv_skb+0x130/0x360
[  692.230755][   T72]      netlink_unicast+0x449/0x710
[  692.230755][   T72]      netlink_sendmsg+0x723/0xbe0
[  692.230755][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  692.230755][   T72]      ___sys_sendmsg+0xee/0x170
[  692.230755][   T72]      __sys_sendmsg+0xcd/0x170
[  692.230755][   T72]      do_syscall_64+0xc6/0x1e0
[  692.230755][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  692.230755][   T72] 
[  692.233088][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  692.233088][   T72]      netdev_get_by_index+0x5e/0x80
[  692.233088][   T72]      fib6_nh_init+0x3d8/0x1580
[  692.233088][   T72]      ip6_route_info_create+0xf18/0x17d0
[  692.233088][   T72]      addrconf_f6i_alloc+0x315/0x560
[  692.233088][   T72]      ipv6_add_addr+0x411/0x2000
[  692.233088][   T72]      inet6_addr_add+0x30e/0xa40
[  692.233088][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  692.233088][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  692.233088][   T72]      netlink_rcv_skb+0x130/0x360
[  692.233088][   T72]      netlink_unicast+0x449/0x710
[  692.233088][   T72]      netlink_sendmsg+0x723/0xbe0
[  692.233088][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  692.233088][   T72]      ___sys_sendmsg+0xee/0x170
[  692.233088][   T72]      __sys_sendmsg+0xcd/0x170
[  692.233088][   T72]      do_syscall_64+0xc6/0x1e0
[  692.233088][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  692.233088][   T72] 
[  692.235418][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  692.235418][   T72]      netdev_get_by_index+0x5e/0x80
[  692.235418][   T72]      fib6_nh_init+0x3d8/0x1580
[  692.235418][   T72]      ip6_route_info_create+0xf18/0x17d0
[  692.235418][   T72]      ip6_route_add+0x1c/0x140
[  692.235418][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  692.235418][   T72]      addrconf_add_dev+0xe2/0x170
[  692.235418][   T72]      inet6_addr_add+0x12f/0xa40
[  692.235418][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  692.235418][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  692.235418][   T72]      netlink_rcv_skb+0x130/0x360
[  692.235418][   T72]      netlink_unicast+0x449/0x710
[  692.235418][   T72]      netlink_sendmsg+0x723/0xbe0
[  692.235418][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  692.235418][   T72]      ___sys_sendmsg+0xee/0x170
[  692.235418][   T72]      __sys_sendmsg+0xcd/0x170
[  692.235418][   T72]      do_syscall_64+0xc6/0x1e0
[  692.235418][   T72] 
[  692.237723][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  692.237723][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  692.237723][   T72]      ipv6_find_idev+0x102/0x170
[  692.237723][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  692.237723][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  692.237723][   T72]      netlink_rcv_skb+0x130/0x360
[  692.237723][   T72]      netlink_unicast+0x449/0x710
[  692.237723][   T72]      netlink_sendmsg+0x723/0xbe0
[  692.237723][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  692.237723][   T72]      ___sys_sendmsg+0xee/0x170
[  692.237723][   T72]      __sys_sendmsg+0xcd/0x170
[  692.237723][   T72]      do_syscall_64+0xc6/0x1e0
[  692.237723][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  692.237723][   T72] 
[  692.239530][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  692.239530][   T72]      neigh_parms_alloc+0x1e5/0x510
[  692.239530][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  692.239530][   T72]      ipv6_find_idev+0x102/0x170
[  692.239530][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  692.239530][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  692.239530][   T72]      netlink_rcv_skb+0x130/0x360
[  692.239530][   T72]      netlink_unicast+0x449/0x710
[  692.239530][   T72]      netlink_sendmsg+0x723/0xbe0
[  692.239530][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  692.239530][   T72]      ___sys_sendmsg+0xee/0x170
[  692.239530][   T72]      __sys_sendmsg+0xcd/0x170
[  692.239530][   T72]      do_syscall_64+0xc6/0x1e0
[  692.239530][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  692.239530][   T72] 
[  702.495877][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  702.496326][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  702.496326][   T72]      netdev_get_by_index+0x5e/0x80
[  702.496326][   T72]      fib6_nh_init+0x3d8/0x1580
[  702.496326][   T72]      ip6_route_info_create+0xf18/0x17d0
[  702.496326][   T72]      addrconf_f6i_alloc+0x315/0x560
[  702.496326][   T72]      ipv6_add_addr+0x411/0x2000
[  702.496326][   T72]      inet6_addr_add+0x30e/0xa40
[  702.496326][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  702.496326][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  702.496326][   T72]      netlink_rcv_skb+0x130/0x360
[  702.496326][   T72]      netlink_unicast+0x449/0x710
[  702.496326][   T72]      netlink_sendmsg+0x723/0xbe0
[  702.496326][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  702.496326][   T72]      ___sys_sendmsg+0xee/0x170
[  702.496326][   T72]      __sys_sendmsg+0xcd/0x170
[  702.496326][   T72]      do_syscall_64+0xc6/0x1e0
[  702.496326][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  702.496326][   T72] 
[  702.498693][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  702.498693][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  702.498693][   T72]      ipv6_find_idev+0x102/0x170
[  702.498693][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  702.498693][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  702.498693][   T72]      netlink_rcv_skb+0x130/0x360
[  702.498693][   T72]      netlink_unicast+0x449/0x710
[  702.498693][   T72]      netlink_sendmsg+0x723/0xbe0
[  702.498693][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  702.498693][   T72]      ___sys_sendmsg+0xee/0x170
[  702.498693][   T72]      __sys_sendmsg+0xcd/0x170
[  702.498693][   T72]      do_syscall_64+0xc6/0x1e0
[  702.498693][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  702.498693][   T72] 
[  702.500461][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  702.500461][   T72]      neigh_parms_alloc+0x1e5/0x510
[  702.500461][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  702.500461][   T72]      ipv6_find_idev+0x102/0x170
[  702.500461][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  702.500461][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  702.500461][   T72]      netlink_rcv_skb+0x130/0x360
[  702.500461][   T72]      netlink_unicast+0x449/0x710
[  702.500461][   T72]      netlink_sendmsg+0x723/0xbe0
[  702.500461][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  702.500461][   T72]      ___sys_sendmsg+0xee/0x170
[  702.500461][   T72]      __sys_sendmsg+0xcd/0x170
[  702.500461][   T72]      do_syscall_64+0xc6/0x1e0
[  702.500461][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  702.500461][   T72] 
[  702.502531][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  702.502838][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  702.502838][   T72]      netdev_get_by_index+0x5e/0x80
[  702.502838][   T72]      fib6_nh_init+0x3d8/0x1580
[  702.502838][   T72]      ip6_route_info_create+0xf18/0x17d0
[  702.502838][   T72]      ip6_route_add+0x1c/0x140
[  702.502838][   T72]      addrconf_prefix_route+0x2a6/0x430
[  702.502838][   T72]      inet6_addr_add+0x4f8/0xa40
[  702.502838][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  702.502838][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  702.502838][   T72]      netlink_rcv_skb+0x130/0x360
[  702.502838][   T72]      netlink_unicast+0x449/0x710
[  702.502838][   T72]      netlink_sendmsg+0x723/0xbe0
[  702.502838][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  702.502838][   T72]      ___sys_sendmsg+0xee/0x170
[  702.502838][   T72]      __sys_sendmsg+0xcd/0x170
[  702.502838][   T72]      do_syscall_64+0xc6/0x1e0
[  702.502838][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  702.502838][   T72] 
[  702.505339][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  702.505339][   T72]      netdev_get_by_index+0x5e/0x80
[  702.505339][   T72]      fib6_nh_init+0x3d8/0x1580
[  702.505339][   T72]      ip6_route_info_create+0xf18/0x17d0
[  702.505339][   T72]      addrconf_f6i_alloc+0x315/0x560
[  702.505339][   T72]      ipv6_add_addr+0x411/0x2000
[  702.505339][   T72]      inet6_addr_add+0x30e/0xa40
[  702.505339][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  702.505339][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  702.505339][   T72]      netlink_rcv_skb+0x130/0x360
[  702.505339][   T72]      netlink_unicast+0x449/0x710
[  702.505339][   T72]      netlink_sendmsg+0x723/0xbe0
[  702.505339][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  702.505339][   T72]      ___sys_sendmsg+0xee/0x170
[  702.505339][   T72]      __sys_sendmsg+0xcd/0x170
[  702.505339][   T72]      do_syscall_64+0xc6/0x1e0
[  702.505339][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  702.505339][   T72] 
[  702.507880][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  702.507880][   T72]      netdev_get_by_index+0x5e/0x80
[  702.507880][   T72]      fib6_nh_init+0x3d8/0x1580
[  702.507880][   T72]      ip6_route_info_create+0xf18/0x17d0
[  702.507880][   T72]      ip6_route_add+0x1c/0x140
[  702.507880][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  702.507880][   T72]      addrconf_add_dev+0xe2/0x170
[  702.507880][   T72]      inet6_addr_add+0x12f/0xa40
[  702.507880][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  702.507880][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  702.507880][   T72]      netlink_rcv_skb+0x130/0x360
[  702.507880][   T72]      netlink_unicast+0x449/0x710
[  702.507880][   T72]      netlink_sendmsg+0x723/0xbe0
[  702.507880][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  702.507880][   T72]      ___sys_sendmsg+0xee/0x170
[  702.507880][   T72]      __sys_sendmsg+0xcd/0x170
[  702.507880][   T72]      do_syscall_64+0xc6/0x1e0
[  702.507880][   T72] 
[  702.510340][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  702.510340][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  702.510340][   T72]      ipv6_find_idev+0x102/0x170
[  702.510340][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  702.510340][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  702.510340][   T72]      netlink_rcv_skb+0x130/0x360
[  702.510340][   T72]      netlink_unicast+0x449/0x710
[  702.510340][   T72]      netlink_sendmsg+0x723/0xbe0
[  702.510340][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  702.510340][   T72]      ___sys_sendmsg+0xee/0x170
[  702.510340][   T72]      __sys_sendmsg+0xcd/0x170
[  702.510340][   T72]      do_syscall_64+0xc6/0x1e0
[  702.510340][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  702.510340][   T72] 
[  702.512297][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  702.512297][   T72]      neigh_parms_alloc+0x1e5/0x510
[  702.512297][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  702.512297][   T72]      ipv6_find_idev+0x102/0x170
[  702.512297][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  702.512297][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  702.512297][   T72]      netlink_rcv_skb+0x130/0x360
[  702.512297][   T72]      netlink_unicast+0x449/0x710
[  702.512297][   T72]      netlink_sendmsg+0x723/0xbe0
[  702.512297][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  702.512297][   T72]      ___sys_sendmsg+0xee/0x170
[  702.512297][   T72]      __sys_sendmsg+0xcd/0x170
[  702.512297][   T72]      do_syscall_64+0xc6/0x1e0
[  702.512297][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  702.512297][   T72] 
[  712.631919][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  712.632415][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  712.632415][   T72]      netdev_get_by_index+0x5e/0x80
[  712.632415][   T72]      fib6_nh_init+0x3d8/0x1580
[  712.632415][   T72]      ip6_route_info_create+0xf18/0x17d0
[  712.632415][   T72]      addrconf_f6i_alloc+0x315/0x560
[  712.632415][   T72]      ipv6_add_addr+0x411/0x2000
[  712.632415][   T72]      inet6_addr_add+0x30e/0xa40
[  712.632415][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  712.632415][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.632415][   T72]      netlink_rcv_skb+0x130/0x360
[  712.632415][   T72]      netlink_unicast+0x449/0x710
[  712.632415][   T72]      netlink_sendmsg+0x723/0xbe0
[  712.632415][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  712.632415][   T72]      ___sys_sendmsg+0xee/0x170
[  712.632415][   T72]      __sys_sendmsg+0xcd/0x170
[  712.632415][   T72]      do_syscall_64+0xc6/0x1e0
[  712.632415][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.632415][   T72] 
[  712.634694][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  712.634694][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  712.634694][   T72]      ipv6_find_idev+0x102/0x170
[  712.634694][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  712.634694][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.634694][   T72]      netlink_rcv_skb+0x130/0x360
[  712.634694][   T72]      netlink_unicast+0x449/0x710
[  712.634694][   T72]      netlink_sendmsg+0x723/0xbe0
[  712.634694][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  712.634694][   T72]      ___sys_sendmsg+0xee/0x170
[  712.634694][   T72]      __sys_sendmsg+0xcd/0x170
[  712.634694][   T72]      do_syscall_64+0xc6/0x1e0
[  712.634694][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.634694][   T72] 
[  712.636448][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  712.636448][   T72]      neigh_parms_alloc+0x1e5/0x510
[  712.636448][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  712.636448][   T72]      ipv6_find_idev+0x102/0x170
[  712.636448][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  712.636448][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.636448][   T72]      netlink_rcv_skb+0x130/0x360
[  712.636448][   T72]      netlink_unicast+0x449/0x710
[  712.636448][   T72]      netlink_sendmsg+0x723/0xbe0
[  712.636448][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  712.636448][   T72]      ___sys_sendmsg+0xee/0x170
[  712.636448][   T72]      __sys_sendmsg+0xcd/0x170
[  712.636448][   T72]      do_syscall_64+0xc6/0x1e0
[  712.636448][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.636448][   T72] 
[  712.638357][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  712.638629][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  712.638629][   T72]      netdev_get_by_index+0x5e/0x80
[  712.638629][   T72]      fib6_nh_init+0x3d8/0x1580
[  712.638629][   T72]      ip6_route_info_create+0xf18/0x17d0
[  712.638629][   T72]      ip6_route_add+0x1c/0x140
[  712.638629][   T72]      addrconf_prefix_route+0x2a6/0x430
[  712.638629][   T72]      inet6_addr_add+0x4f8/0xa40
[  712.638629][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  712.638629][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.638629][   T72]      netlink_rcv_skb+0x130/0x360
[  712.638629][   T72]      netlink_unicast+0x449/0x710
[  712.638629][   T72]      netlink_sendmsg+0x723/0xbe0
[  712.638629][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  712.638629][   T72]      ___sys_sendmsg+0xee/0x170
[  712.638629][   T72]      __sys_sendmsg+0xcd/0x170
[  712.638629][   T72]      do_syscall_64+0xc6/0x1e0
[  712.638629][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.638629][   T72] 
[  712.640914][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  712.640914][   T72]      netdev_get_by_index+0x5e/0x80
[  712.640914][   T72]      fib6_nh_init+0x3d8/0x1580
[  712.640914][   T72]      ip6_route_info_create+0xf18/0x17d0
[  712.640914][   T72]      addrconf_f6i_alloc+0x315/0x560
[  712.640914][   T72]      ipv6_add_addr+0x411/0x2000
[  712.640914][   T72]      inet6_addr_add+0x30e/0xa40
[  712.640914][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  712.640914][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.640914][   T72]      netlink_rcv_skb+0x130/0x360
[  712.640914][   T72]      netlink_unicast+0x449/0x710
[  712.640914][   T72]      netlink_sendmsg+0x723/0xbe0
[  712.640914][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  712.640914][   T72]      ___sys_sendmsg+0xee/0x170
[  712.640914][   T72]      __sys_sendmsg+0xcd/0x170
[  712.640914][   T72]      do_syscall_64+0xc6/0x1e0
[  712.640914][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.640914][   T72] 
[  712.643175][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  712.643175][   T72]      netdev_get_by_index+0x5e/0x80
[  712.643175][   T72]      fib6_nh_init+0x3d8/0x1580
[  712.643175][   T72]      ip6_route_info_create+0xf18/0x17d0
[  712.643175][   T72]      ip6_route_add+0x1c/0x140
[  712.643175][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  712.643175][   T72]      addrconf_add_dev+0xe2/0x170
[  712.643175][   T72]      inet6_addr_add+0x12f/0xa40
[  712.643175][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  712.643175][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.643175][   T72]      netlink_rcv_skb+0x130/0x360
[  712.643175][   T72]      netlink_unicast+0x449/0x710
[  712.643175][   T72]      netlink_sendmsg+0x723/0xbe0
[  712.643175][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  712.643175][   T72]      ___sys_sendmsg+0xee/0x170
[  712.643175][   T72]      __sys_sendmsg+0xcd/0x170
[  712.643175][   T72]      do_syscall_64+0xc6/0x1e0
[  712.643175][   T72] 
[  712.646691][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  712.646691][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  712.646691][   T72]      ipv6_find_idev+0x102/0x170
[  712.646691][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  712.646691][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.646691][   T72]      netlink_rcv_skb+0x130/0x360
[  712.646691][   T72]      netlink_unicast+0x449/0x710
[  712.646691][   T72]      netlink_sendmsg+0x723/0xbe0
[  712.646691][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  712.646691][   T72]      ___sys_sendmsg+0xee/0x170
[  712.646691][   T72]      __sys_sendmsg+0xcd/0x170
[  712.646691][   T72]      do_syscall_64+0xc6/0x1e0
[  712.646691][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.646691][   T72] 
[  712.648462][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  712.648462][   T72]      neigh_parms_alloc+0x1e5/0x510
[  712.648462][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  712.648462][   T72]      ipv6_find_idev+0x102/0x170
[  712.648462][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  712.648462][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.648462][   T72]      netlink_rcv_skb+0x130/0x360
[  712.648462][   T72]      netlink_unicast+0x449/0x710
[  712.648462][   T72]      netlink_sendmsg+0x723/0xbe0
[  712.648462][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  712.648462][   T72]      ___sys_sendmsg+0xee/0x170
[  712.648462][   T72]      __sys_sendmsg+0xcd/0x170
[  712.648462][   T72]      do_syscall_64+0xc6/0x1e0
[  712.648462][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.648462][   T72] 
[  722.743873][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  722.744700][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  722.744700][   T72]      netdev_get_by_index+0x5e/0x80
[  722.744700][   T72]      fib6_nh_init+0x3d8/0x1580
[  722.744700][   T72]      ip6_route_info_create+0xf18/0x17d0
[  722.744700][   T72]      addrconf_f6i_alloc+0x315/0x560
[  722.744700][   T72]      ipv6_add_addr+0x411/0x2000
[  722.744700][   T72]      inet6_addr_add+0x30e/0xa40
[  722.744700][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  722.744700][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.744700][   T72]      netlink_rcv_skb+0x130/0x360
[  722.744700][   T72]      netlink_unicast+0x449/0x710
[  722.744700][   T72]      netlink_sendmsg+0x723/0xbe0
[  722.744700][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  722.744700][   T72]      ___sys_sendmsg+0xee/0x170
[  722.744700][   T72]      __sys_sendmsg+0xcd/0x170
[  722.744700][   T72]      do_syscall_64+0xc6/0x1e0
[  722.744700][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.744700][   T72] 
[  722.747393][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  722.747393][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  722.747393][   T72]      ipv6_find_idev+0x102/0x170
[  722.747393][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  722.747393][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.747393][   T72]      netlink_rcv_skb+0x130/0x360
[  722.747393][   T72]      netlink_unicast+0x449/0x710
[  722.747393][   T72]      netlink_sendmsg+0x723/0xbe0
[  722.747393][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  722.747393][   T72]      ___sys_sendmsg+0xee/0x170
[  722.747393][   T72]      __sys_sendmsg+0xcd/0x170
[  722.747393][   T72]      do_syscall_64+0xc6/0x1e0
[  722.747393][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.747393][   T72] 
[  722.749149][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  722.749149][   T72]      neigh_parms_alloc+0x1e5/0x510
[  722.749149][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  722.749149][   T72]      ipv6_find_idev+0x102/0x170
[  722.749149][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  722.749149][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.749149][   T72]      netlink_rcv_skb+0x130/0x360
[  722.749149][   T72]      netlink_unicast+0x449/0x710
[  722.749149][   T72]      netlink_sendmsg+0x723/0xbe0
[  722.749149][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  722.749149][   T72]      ___sys_sendmsg+0xee/0x170
[  722.749149][   T72]      __sys_sendmsg+0xcd/0x170
[  722.749149][   T72]      do_syscall_64+0xc6/0x1e0
[  722.749149][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.749149][   T72] 
[  722.751045][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  722.751319][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  722.751319][   T72]      netdev_get_by_index+0x5e/0x80
[  722.751319][   T72]      fib6_nh_init+0x3d8/0x1580
[  722.751319][   T72]      ip6_route_info_create+0xf18/0x17d0
[  722.751319][   T72]      ip6_route_add+0x1c/0x140
[  722.751319][   T72]      addrconf_prefix_route+0x2a6/0x430
[  722.751319][   T72]      inet6_addr_add+0x4f8/0xa40
[  722.751319][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  722.751319][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.751319][   T72]      netlink_rcv_skb+0x130/0x360
[  722.751319][   T72]      netlink_unicast+0x449/0x710
[  722.751319][   T72]      netlink_sendmsg+0x723/0xbe0
[  722.751319][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  722.751319][   T72]      ___sys_sendmsg+0xee/0x170
[  722.751319][   T72]      __sys_sendmsg+0xcd/0x170
[  722.751319][   T72]      do_syscall_64+0xc6/0x1e0
[  722.751319][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.751319][   T72] 
[  722.753612][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  722.753612][   T72]      netdev_get_by_index+0x5e/0x80
[  722.753612][   T72]      fib6_nh_init+0x3d8/0x1580
[  722.753612][   T72]      ip6_route_info_create+0xf18/0x17d0
[  722.753612][   T72]      addrconf_f6i_alloc+0x315/0x560
[  722.753612][   T72]      ipv6_add_addr+0x411/0x2000
[  722.753612][   T72]      inet6_addr_add+0x30e/0xa40
[  722.753612][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  722.753612][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.753612][   T72]      netlink_rcv_skb+0x130/0x360
[  722.753612][   T72]      netlink_unicast+0x449/0x710
[  722.753612][   T72]      netlink_sendmsg+0x723/0xbe0
[  722.753612][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  722.753612][   T72]      ___sys_sendmsg+0xee/0x170
[  722.753612][   T72]      __sys_sendmsg+0xcd/0x170
[  722.753612][   T72]      do_syscall_64+0xc6/0x1e0
[  722.753612][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.753612][   T72] 
[  722.755864][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  722.755864][   T72]      netdev_get_by_index+0x5e/0x80
[  722.755864][   T72]      fib6_nh_init+0x3d8/0x1580
[  722.755864][   T72]      ip6_route_info_create+0xf18/0x17d0
[  722.755864][   T72]      ip6_route_add+0x1c/0x140
[  722.755864][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  722.755864][   T72]      addrconf_add_dev+0xe2/0x170
[  722.755864][   T72]      inet6_addr_add+0x12f/0xa40
[  722.755864][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  722.755864][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.755864][   T72]      netlink_rcv_skb+0x130/0x360
[  722.755864][   T72]      netlink_unicast+0x449/0x710
[  722.755864][   T72]      netlink_sendmsg+0x723/0xbe0
[  722.755864][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  722.755864][   T72]      ___sys_sendmsg+0xee/0x170
[  722.755864][   T72]      __sys_sendmsg+0xcd/0x170
[  722.755864][   T72]      do_syscall_64+0xc6/0x1e0
[  722.755864][   T72] 
[  722.758082][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  722.758082][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  722.758082][   T72]      ipv6_find_idev+0x102/0x170
[  722.758082][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  722.758082][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.758082][   T72]      netlink_rcv_skb+0x130/0x360
[  722.758082][   T72]      netlink_unicast+0x449/0x710
[  722.758082][   T72]      netlink_sendmsg+0x723/0xbe0
[  722.758082][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  722.758082][   T72]      ___sys_sendmsg+0xee/0x170
[  722.758082][   T72]      __sys_sendmsg+0xcd/0x170
[  722.758082][   T72]      do_syscall_64+0xc6/0x1e0
[  722.758082][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.758082][   T72] 
[  722.759821][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  722.759821][   T72]      neigh_parms_alloc+0x1e5/0x510
[  722.759821][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  722.759821][   T72]      ipv6_find_idev+0x102/0x170
[  722.759821][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  722.759821][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.759821][   T72]      netlink_rcv_skb+0x130/0x360
[  722.759821][   T72]      netlink_unicast+0x449/0x710
[  722.759821][   T72]      netlink_sendmsg+0x723/0xbe0
[  722.759821][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  722.759821][   T72]      ___sys_sendmsg+0xee/0x170
[  722.759821][   T72]      __sys_sendmsg+0xcd/0x170
[  722.759821][   T72]      do_syscall_64+0xc6/0x1e0
[  722.759821][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.759821][   T72] 
[  732.815806][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  732.816302][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  732.816302][   T72]      netdev_get_by_index+0x5e/0x80
[  732.816302][   T72]      fib6_nh_init+0x3d8/0x1580
[  732.816302][   T72]      ip6_route_info_create+0xf18/0x17d0
[  732.816302][   T72]      addrconf_f6i_alloc+0x315/0x560
[  732.816302][   T72]      ipv6_add_addr+0x411/0x2000
[  732.816302][   T72]      inet6_addr_add+0x30e/0xa40
[  732.816302][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  732.816302][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.816302][   T72]      netlink_rcv_skb+0x130/0x360
[  732.816302][   T72]      netlink_unicast+0x449/0x710
[  732.816302][   T72]      netlink_sendmsg+0x723/0xbe0
[  732.816302][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  732.816302][   T72]      ___sys_sendmsg+0xee/0x170
[  732.816302][   T72]      __sys_sendmsg+0xcd/0x170
[  732.816302][   T72]      do_syscall_64+0xc6/0x1e0
[  732.816302][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.816302][   T72] 
[  732.818651][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  732.818651][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  732.818651][   T72]      ipv6_find_idev+0x102/0x170
[  732.818651][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  732.818651][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.818651][   T72]      netlink_rcv_skb+0x130/0x360
[  732.818651][   T72]      netlink_unicast+0x449/0x710
[  732.818651][   T72]      netlink_sendmsg+0x723/0xbe0
[  732.818651][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  732.818651][   T72]      ___sys_sendmsg+0xee/0x170
[  732.818651][   T72]      __sys_sendmsg+0xcd/0x170
[  732.818651][   T72]      do_syscall_64+0xc6/0x1e0
[  732.818651][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.818651][   T72] 
[  732.820429][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  732.820429][   T72]      neigh_parms_alloc+0x1e5/0x510
[  732.820429][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  732.820429][   T72]      ipv6_find_idev+0x102/0x170
[  732.820429][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  732.820429][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.820429][   T72]      netlink_rcv_skb+0x130/0x360
[  732.820429][   T72]      netlink_unicast+0x449/0x710
[  732.820429][   T72]      netlink_sendmsg+0x723/0xbe0
[  732.820429][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  732.820429][   T72]      ___sys_sendmsg+0xee/0x170
[  732.820429][   T72]      __sys_sendmsg+0xcd/0x170
[  732.820429][   T72]      do_syscall_64+0xc6/0x1e0
[  732.820429][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.820429][   T72] 
[  732.822434][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  732.822714][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  732.822714][   T72]      netdev_get_by_index+0x5e/0x80
[  732.822714][   T72]      fib6_nh_init+0x3d8/0x1580
[  732.822714][   T72]      ip6_route_info_create+0xf18/0x17d0
[  732.822714][   T72]      ip6_route_add+0x1c/0x140
[  732.822714][   T72]      addrconf_prefix_route+0x2a6/0x430
[  732.822714][   T72]      inet6_addr_add+0x4f8/0xa40
[  732.822714][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  732.822714][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.822714][   T72]      netlink_rcv_skb+0x130/0x360
[  732.822714][   T72]      netlink_unicast+0x449/0x710
[  732.822714][   T72]      netlink_sendmsg+0x723/0xbe0
[  732.822714][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  732.822714][   T72]      ___sys_sendmsg+0xee/0x170
[  732.822714][   T72]      __sys_sendmsg+0xcd/0x170
[  732.822714][   T72]      do_syscall_64+0xc6/0x1e0
[  732.822714][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.822714][   T72] 
[  732.825054][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  732.825054][   T72]      netdev_get_by_index+0x5e/0x80
[  732.825054][   T72]      fib6_nh_init+0x3d8/0x1580
[  732.825054][   T72]      ip6_route_info_create+0xf18/0x17d0
[  732.825054][   T72]      addrconf_f6i_alloc+0x315/0x560
[  732.825054][   T72]      ipv6_add_addr+0x411/0x2000
[  732.825054][   T72]      inet6_addr_add+0x30e/0xa40
[  732.825054][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  732.825054][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.825054][   T72]      netlink_rcv_skb+0x130/0x360
[  732.825054][   T72]      netlink_unicast+0x449/0x710
[  732.825054][   T72]      netlink_sendmsg+0x723/0xbe0
[  732.825054][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  732.825054][   T72]      ___sys_sendmsg+0xee/0x170
[  732.825054][   T72]      __sys_sendmsg+0xcd/0x170
[  732.825054][   T72]      do_syscall_64+0xc6/0x1e0
[  732.825054][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.825054][   T72] 
[  732.827384][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  732.827384][   T72]      netdev_get_by_index+0x5e/0x80
[  732.827384][   T72]      fib6_nh_init+0x3d8/0x1580
[  732.827384][   T72]      ip6_route_info_create+0xf18/0x17d0
[  732.827384][   T72]      ip6_route_add+0x1c/0x140
[  732.827384][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  732.827384][   T72]      addrconf_add_dev+0xe2/0x170
[  732.827384][   T72]      inet6_addr_add+0x12f/0xa40
[  732.827384][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  732.827384][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.827384][   T72]      netlink_rcv_skb+0x130/0x360
[  732.827384][   T72]      netlink_unicast+0x449/0x710
[  732.827384][   T72]      netlink_sendmsg+0x723/0xbe0
[  732.827384][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  732.827384][   T72]      ___sys_sendmsg+0xee/0x170
[  732.827384][   T72]      __sys_sendmsg+0xcd/0x170
[  732.827384][   T72]      do_syscall_64+0xc6/0x1e0
[  732.827384][   T72] 
[  732.829666][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  732.829666][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  732.829666][   T72]      ipv6_find_idev+0x102/0x170
[  732.829666][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  732.829666][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.829666][   T72]      netlink_rcv_skb+0x130/0x360
[  732.829666][   T72]      netlink_unicast+0x449/0x710
[  732.829666][   T72]      netlink_sendmsg+0x723/0xbe0
[  732.829666][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  732.829666][   T72]      ___sys_sendmsg+0xee/0x170
[  732.829666][   T72]      __sys_sendmsg+0xcd/0x170
[  732.829666][   T72]      do_syscall_64+0xc6/0x1e0
[  732.829666][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.829666][   T72] 
[  732.831454][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  732.831454][   T72]      neigh_parms_alloc+0x1e5/0x510
[  732.831454][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  732.831454][   T72]      ipv6_find_idev+0x102/0x170
[  732.831454][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  732.831454][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.831454][   T72]      netlink_rcv_skb+0x130/0x360
[  732.831454][   T72]      netlink_unicast+0x449/0x710
[  732.831454][   T72]      netlink_sendmsg+0x723/0xbe0
[  732.831454][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  732.831454][   T72]      ___sys_sendmsg+0xee/0x170
[  732.831454][   T72]      __sys_sendmsg+0xcd/0x170
[  732.831454][   T72]      do_syscall_64+0xc6/0x1e0
[  732.831454][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.831454][   T72] 
[  738.599899][   T42] INFO: task modprobe:456 blocked for more than 614 seconds.
[  738.600324][   T42]       Not tainted 6.8.0-virtme #1
[  738.600460][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  738.600684][   T42] task:modprobe        state:D stack:25648 pid:456   tgid:456   ppid:39     flags:0x00004002
[  738.600992][   T42] Call Trace:
[  738.601104][   T42]  <TASK>
[  738.601185][   T42]  __schedule+0x705/0x1ac0
[  738.601344][   T42]  ? __pfx___schedule+0x10/0x10
[  738.601486][   T42]  ? schedule+0x1a5/0x210
[  738.601596][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  738.601743][   T42]  ? mark_lock+0x38/0x3e0
[  738.601864][   T42]  ? do_raw_spin_lock+0x131/0x270
[  738.602011][   T42]  ? schedule+0x1a5/0x210
[  738.602124][   T42]  schedule+0xdf/0x210
[  738.602230][   T42]  schedule_preempt_disabled+0x15/0x30
[  738.602367][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[  738.602515][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[  738.602691][   T42]  ? kasan_save_stack+0x34/0x50
[  738.602839][   T42]  ? kasan_save_stack+0x24/0x50
[  738.602981][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  738.603127][   T42]  ? lock_acquire+0x1c1/0x220
[  738.603264][   T42]  ? register_pernet_subsys+0x1a/0x50
[  738.603414][   T42]  down_write+0x1c9/0x200
[  738.603520][   T42]  ? __pfx_down_write+0x10/0x10
[  738.603661][   T42]  ? __pfx___lock_release+0x10/0x10
[  738.603815][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[  738.604026][   T42]  register_pernet_subsys+0x1a/0x50
[  738.604165][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[  738.604367][   T42]  do_one_initcall+0xc8/0x3f0
[  738.604507][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[  738.604652][   T42]  ? __create_object+0x5e/0xb0
[  738.604824][   T42]  ? kasan_unpoison+0x27/0x60
[  738.604969][   T42]  do_init_module+0x233/0x740
[  738.605119][   T42]  load_module+0x16b5/0x2350
[  738.605274][   T42]  ? __pfx_load_module+0x10/0x10
[  738.605412][   T42]  ? kernel_read_file+0x3d2/0x520
[  738.605558][   T42]  ? kernel_read_file+0x300/0x520
[  738.605704][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[  738.605860][   T42]  ? init_module_from_file+0xd2/0x130
[  738.605998][   T42]  init_module_from_file+0xd2/0x130
[  738.606139][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[  738.606310][   T42]  ? __lock_release+0x103/0x460
[  738.606450][   T42]  ? idempotent_init_module+0x32a/0x620
[  738.606601][   T42]  ? idempotent_init_module+0x32a/0x620
[  738.606739][   T42]  ? do_raw_spin_unlock+0x58/0x220
[  738.606889][   T42]  idempotent_init_module+0x342/0x620
[  738.607030][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[  738.607225][   T42]  __x64_sys_finit_module+0xbe/0x130
[  738.607365][   T42]  do_syscall_64+0xc6/0x1e0
[  738.607520][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  738.607698][   T42] RIP: 0033:0x7f93cc153e5d
[  738.607851][   T42] RSP: 002b:00007fff97ff1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  738.608064][   T42] RAX: ffffffffffffffda RBX: 0000557c14f43e90 RCX: 00007f93cc153e5d
[  738.608271][   T42] RDX: 0000000000000000 RSI: 0000557bf5357a2a RDI: 0000000000000001
[  738.608485][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557c14f444f0
[  738.608693][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bf5357a2a
[  738.608928][   T42] R13: 0000557c14f43e40 R14: 0000557c14f44570 R15: 0000000000000000
[  738.609145][   T42]  </TASK>
[  738.609250][   T42] 
[  738.609250][   T42] Showing all locks held in the system:
[  738.609459][   T42] 2 locks held by kworker/u20:0/39:
[  738.609596][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  738.609888][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  738.610205][   T42] 1 lock held by khungtaskd/42:
[  738.610339][   T42]  #0: ffffffffa85591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[  738.610590][   T42] 3 locks held by kworker/u16:1/72:
[  738.610740][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  738.611058][   T42]  #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  738.611313][   T42]  #2: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[  738.611570][   T42] 1 lock held by modprobe/456:
[  738.611702][   T42]  #0: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[  738.611993][   T42] 
[  738.612062][   T42] =============================================
[  738.612062][   T42] 
[  743.079816][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  743.080268][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  743.080268][   T72]      netdev_get_by_index+0x5e/0x80
[  743.080268][   T72]      fib6_nh_init+0x3d8/0x1580
[  743.080268][   T72]      ip6_route_info_create+0xf18/0x17d0
[  743.080268][   T72]      addrconf_f6i_alloc+0x315/0x560
[  743.080268][   T72]      ipv6_add_addr+0x411/0x2000
[  743.080268][   T72]      inet6_addr_add+0x30e/0xa40
[  743.080268][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  743.080268][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  743.080268][   T72]      netlink_rcv_skb+0x130/0x360
[  743.080268][   T72]      netlink_unicast+0x449/0x710
[  743.080268][   T72]      netlink_sendmsg+0x723/0xbe0
[  743.080268][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  743.080268][   T72]      ___sys_sendmsg+0xee/0x170
[  743.080268][   T72]      __sys_sendmsg+0xcd/0x170
[  743.080268][   T72]      do_syscall_64+0xc6/0x1e0
[  743.080268][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  743.080268][   T72] 
[  743.082702][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  743.082702][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  743.082702][   T72]      ipv6_find_idev+0x102/0x170
[  743.082702][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  743.082702][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  743.082702][   T72]      netlink_rcv_skb+0x130/0x360
[  743.082702][   T72]      netlink_unicast+0x449/0x710
[  743.082702][   T72]      netlink_sendmsg+0x723/0xbe0
[  743.082702][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  743.082702][   T72]      ___sys_sendmsg+0xee/0x170
[  743.082702][   T72]      __sys_sendmsg+0xcd/0x170
[  743.082702][   T72]      do_syscall_64+0xc6/0x1e0
[  743.082702][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  743.082702][   T72] 
[  743.084466][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  743.084466][   T72]      neigh_parms_alloc+0x1e5/0x510
[  743.084466][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  743.084466][   T72]      ipv6_find_idev+0x102/0x170
[  743.084466][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  743.084466][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  743.084466][   T72]      netlink_rcv_skb+0x130/0x360
[  743.084466][   T72]      netlink_unicast+0x449/0x710
[  743.084466][   T72]      netlink_sendmsg+0x723/0xbe0
[  743.084466][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  743.084466][   T72]      ___sys_sendmsg+0xee/0x170
[  743.084466][   T72]      __sys_sendmsg+0xcd/0x170
[  743.084466][   T72]      do_syscall_64+0xc6/0x1e0
[  743.084466][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  743.084466][   T72] 
[  743.086433][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  743.086728][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  743.086728][   T72]      netdev_get_by_index+0x5e/0x80
[  743.086728][   T72]      fib6_nh_init+0x3d8/0x1580
[  743.086728][   T72]      ip6_route_info_create+0xf18/0x17d0
[  743.086728][   T72]      ip6_route_add+0x1c/0x140
[  743.086728][   T72]      addrconf_prefix_route+0x2a6/0x430
[  743.086728][   T72]      inet6_addr_add+0x4f8/0xa40
[  743.086728][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  743.086728][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  743.086728][   T72]      netlink_rcv_skb+0x130/0x360
[  743.086728][   T72]      netlink_unicast+0x449/0x710
[  743.086728][   T72]      netlink_sendmsg+0x723/0xbe0
[  743.086728][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  743.086728][   T72]      ___sys_sendmsg+0xee/0x170
[  743.086728][   T72]      __sys_sendmsg+0xcd/0x170
[  743.086728][   T72]      do_syscall_64+0xc6/0x1e0
[  743.086728][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  743.086728][   T72] 
[  743.089097][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  743.089097][   T72]      netdev_get_by_index+0x5e/0x80
[  743.089097][   T72]      fib6_nh_init+0x3d8/0x1580
[  743.089097][   T72]      ip6_route_info_create+0xf18/0x17d0
[  743.089097][   T72]      addrconf_f6i_alloc+0x315/0x560
[  743.089097][   T72]      ipv6_add_addr+0x411/0x2000
[  743.089097][   T72]      inet6_addr_add+0x30e/0xa40
[  743.089097][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  743.089097][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  743.089097][   T72]      netlink_rcv_skb+0x130/0x360
[  743.089097][   T72]      netlink_unicast+0x449/0x710
[  743.089097][   T72]      netlink_sendmsg+0x723/0xbe0
[  743.089097][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  743.089097][   T72]      ___sys_sendmsg+0xee/0x170
[  743.089097][   T72]      __sys_sendmsg+0xcd/0x170
[  743.089097][   T72]      do_syscall_64+0xc6/0x1e0
[  743.089097][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  743.089097][   T72] 
[  743.091441][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  743.091441][   T72]      netdev_get_by_index+0x5e/0x80
[  743.091441][   T72]      fib6_nh_init+0x3d8/0x1580
[  743.091441][   T72]      ip6_route_info_create+0xf18/0x17d0
[  743.091441][   T72]      ip6_route_add+0x1c/0x140
[  743.091441][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  743.091441][   T72]      addrconf_add_dev+0xe2/0x170
[  743.091441][   T72]      inet6_addr_add+0x12f/0xa40
[  743.091441][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  743.091441][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  743.091441][   T72]      netlink_rcv_skb+0x130/0x360
[  743.091441][   T72]      netlink_unicast+0x449/0x710
[  743.091441][   T72]      netlink_sendmsg+0x723/0xbe0
[  743.091441][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  743.091441][   T72]      ___sys_sendmsg+0xee/0x170
[  743.091441][   T72]      __sys_sendmsg+0xcd/0x170
[  743.091441][   T72]      do_syscall_64+0xc6/0x1e0
[  743.091441][   T72] 
[  743.093925][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  743.093925][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  743.093925][   T72]      ipv6_find_idev+0x102/0x170
[  743.093925][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  743.093925][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  743.093925][   T72]      netlink_rcv_skb+0x130/0x360
[  743.093925][   T72]      netlink_unicast+0x449/0x710
[  743.093925][   T72]      netlink_sendmsg+0x723/0xbe0
[  743.093925][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  743.093925][   T72]      ___sys_sendmsg+0xee/0x170
[  743.093925][   T72]      __sys_sendmsg+0xcd/0x170
[  743.093925][   T72]      do_syscall_64+0xc6/0x1e0
[  743.093925][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  743.093925][   T72] 
[  743.095860][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  743.095860][   T72]      neigh_parms_alloc+0x1e5/0x510
[  743.095860][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  743.095860][   T72]      ipv6_find_idev+0x102/0x170
[  743.095860][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  743.095860][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  743.095860][   T72]      netlink_rcv_skb+0x130/0x360
[  743.095860][   T72]      netlink_unicast+0x449/0x710
[  743.095860][   T72]      netlink_sendmsg+0x723/0xbe0
[  743.095860][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  743.095860][   T72]      ___sys_sendmsg+0xee/0x170
[  743.095860][   T72]      __sys_sendmsg+0xcd/0x170
[  743.095860][   T72]      do_syscall_64+0xc6/0x1e0
[  743.095860][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  743.095860][   T72] 
[  753.351881][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  753.352380][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  753.352380][   T72]      netdev_get_by_index+0x5e/0x80
[  753.352380][   T72]      fib6_nh_init+0x3d8/0x1580
[  753.352380][   T72]      ip6_route_info_create+0xf18/0x17d0
[  753.352380][   T72]      addrconf_f6i_alloc+0x315/0x560
[  753.352380][   T72]      ipv6_add_addr+0x411/0x2000
[  753.352380][   T72]      inet6_addr_add+0x30e/0xa40
[  753.352380][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  753.352380][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  753.352380][   T72]      netlink_rcv_skb+0x130/0x360
[  753.352380][   T72]      netlink_unicast+0x449/0x710
[  753.352380][   T72]      netlink_sendmsg+0x723/0xbe0
[  753.352380][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  753.352380][   T72]      ___sys_sendmsg+0xee/0x170
[  753.352380][   T72]      __sys_sendmsg+0xcd/0x170
[  753.352380][   T72]      do_syscall_64+0xc6/0x1e0
[  753.352380][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  753.352380][   T72] 
[  753.354707][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  753.354707][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  753.354707][   T72]      ipv6_find_idev+0x102/0x170
[  753.354707][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  753.354707][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  753.354707][   T72]      netlink_rcv_skb+0x130/0x360
[  753.354707][   T72]      netlink_unicast+0x449/0x710
[  753.354707][   T72]      netlink_sendmsg+0x723/0xbe0
[  753.354707][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  753.354707][   T72]      ___sys_sendmsg+0xee/0x170
[  753.354707][   T72]      __sys_sendmsg+0xcd/0x170
[  753.354707][   T72]      do_syscall_64+0xc6/0x1e0
[  753.354707][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  753.354707][   T72] 
[  753.356480][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  753.356480][   T72]      neigh_parms_alloc+0x1e5/0x510
[  753.356480][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  753.356480][   T72]      ipv6_find_idev+0x102/0x170
[  753.356480][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  753.356480][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  753.356480][   T72]      netlink_rcv_skb+0x130/0x360
[  753.356480][   T72]      netlink_unicast+0x449/0x710
[  753.356480][   T72]      netlink_sendmsg+0x723/0xbe0
[  753.356480][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  753.356480][   T72]      ___sys_sendmsg+0xee/0x170
[  753.356480][   T72]      __sys_sendmsg+0xcd/0x170
[  753.356480][   T72]      do_syscall_64+0xc6/0x1e0
[  753.356480][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  753.356480][   T72] 
[  753.358439][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  753.358719][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  753.358719][   T72]      netdev_get_by_index+0x5e/0x80
[  753.358719][   T72]      fib6_nh_init+0x3d8/0x1580
[  753.358719][   T72]      ip6_route_info_create+0xf18/0x17d0
[  753.358719][   T72]      ip6_route_add+0x1c/0x140
[  753.358719][   T72]      addrconf_prefix_route+0x2a6/0x430
[  753.358719][   T72]      inet6_addr_add+0x4f8/0xa40
[  753.358719][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  753.358719][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  753.358719][   T72]      netlink_rcv_skb+0x130/0x360
[  753.358719][   T72]      netlink_unicast+0x449/0x710
[  753.358719][   T72]      netlink_sendmsg+0x723/0xbe0
[  753.358719][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  753.358719][   T72]      ___sys_sendmsg+0xee/0x170
[  753.358719][   T72]      __sys_sendmsg+0xcd/0x170
[  753.358719][   T72]      do_syscall_64+0xc6/0x1e0
[  753.358719][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  753.358719][   T72] 
[  753.361007][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  753.361007][   T72]      netdev_get_by_index+0x5e/0x80
[  753.361007][   T72]      fib6_nh_init+0x3d8/0x1580
[  753.361007][   T72]      ip6_route_info_create+0xf18/0x17d0
[  753.361007][   T72]      addrconf_f6i_alloc+0x315/0x560
[  753.361007][   T72]      ipv6_add_addr+0x411/0x2000
[  753.361007][   T72]      inet6_addr_add+0x30e/0xa40
[  753.361007][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  753.361007][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  753.361007][   T72]      netlink_rcv_skb+0x130/0x360
[  753.361007][   T72]      netlink_unicast+0x449/0x710
[  753.361007][   T72]      netlink_sendmsg+0x723/0xbe0
[  753.361007][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  753.361007][   T72]      ___sys_sendmsg+0xee/0x170
[  753.361007][   T72]      __sys_sendmsg+0xcd/0x170
[  753.361007][   T72]      do_syscall_64+0xc6/0x1e0
[  753.361007][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  753.361007][   T72] 
[  753.363294][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  753.363294][   T72]      netdev_get_by_index+0x5e/0x80
[  753.363294][   T72]      fib6_nh_init+0x3d8/0x1580
[  753.363294][   T72]      ip6_route_info_create+0xf18/0x17d0
[  753.363294][   T72]      ip6_route_add+0x1c/0x140
[  753.363294][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  753.363294][   T72]      addrconf_add_dev+0xe2/0x170
[  753.363294][   T72]      inet6_addr_add+0x12f/0xa40
[  753.363294][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  753.363294][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  753.363294][   T72]      netlink_rcv_skb+0x130/0x360
[  753.363294][   T72]      netlink_unicast+0x449/0x710
[  753.363294][   T72]      netlink_sendmsg+0x723/0xbe0
[  753.363294][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  753.363294][   T72]      ___sys_sendmsg+0xee/0x170
[  753.363294][   T72]      __sys_sendmsg+0xcd/0x170
[  753.363294][   T72]      do_syscall_64+0xc6/0x1e0
[  753.363294][   T72] 
[  753.365559][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  753.365559][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  753.365559][   T72]      ipv6_find_idev+0x102/0x170
[  753.365559][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  753.365559][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  753.365559][   T72]      netlink_rcv_skb+0x130/0x360
[  753.365559][   T72]      netlink_unicast+0x449/0x710
[  753.365559][   T72]      netlink_sendmsg+0x723/0xbe0
[  753.365559][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  753.365559][   T72]      ___sys_sendmsg+0xee/0x170
[  753.365559][   T72]      __sys_sendmsg+0xcd/0x170
[  753.365559][   T72]      do_syscall_64+0xc6/0x1e0
[  753.365559][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  753.365559][   T72] 
[  753.367326][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  753.367326][   T72]      neigh_parms_alloc+0x1e5/0x510
[  753.367326][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  753.367326][   T72]      ipv6_find_idev+0x102/0x170
[  753.367326][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  753.367326][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  753.367326][   T72]      netlink_rcv_skb+0x130/0x360
[  753.367326][   T72]      netlink_unicast+0x449/0x710
[  753.367326][   T72]      netlink_sendmsg+0x723/0xbe0
[  753.367326][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  753.367326][   T72]      ___sys_sendmsg+0xee/0x170
[  753.367326][   T72]      __sys_sendmsg+0xcd/0x170
[  753.367326][   T72]      do_syscall_64+0xc6/0x1e0
[  753.367326][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  753.367326][   T72] 
[  763.623875][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  763.624690][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  763.624690][   T72]      netdev_get_by_index+0x5e/0x80
[  763.624690][   T72]      fib6_nh_init+0x3d8/0x1580
[  763.624690][   T72]      ip6_route_info_create+0xf18/0x17d0
[  763.624690][   T72]      addrconf_f6i_alloc+0x315/0x560
[  763.624690][   T72]      ipv6_add_addr+0x411/0x2000
[  763.624690][   T72]      inet6_addr_add+0x30e/0xa40
[  763.624690][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  763.624690][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  763.624690][   T72]      netlink_rcv_skb+0x130/0x360
[  763.624690][   T72]      netlink_unicast+0x449/0x710
[  763.624690][   T72]      netlink_sendmsg+0x723/0xbe0
[  763.624690][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  763.624690][   T72]      ___sys_sendmsg+0xee/0x170
[  763.624690][   T72]      __sys_sendmsg+0xcd/0x170
[  763.624690][   T72]      do_syscall_64+0xc6/0x1e0
[  763.624690][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  763.624690][   T72] 
[  763.626973][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  763.626973][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  763.626973][   T72]      ipv6_find_idev+0x102/0x170
[  763.626973][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  763.626973][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  763.626973][   T72]      netlink_rcv_skb+0x130/0x360
[  763.626973][   T72]      netlink_unicast+0x449/0x710
[  763.626973][   T72]      netlink_sendmsg+0x723/0xbe0
[  763.626973][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  763.626973][   T72]      ___sys_sendmsg+0xee/0x170
[  763.626973][   T72]      __sys_sendmsg+0xcd/0x170
[  763.626973][   T72]      do_syscall_64+0xc6/0x1e0
[  763.626973][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  763.626973][   T72] 
[  763.628711][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  763.628711][   T72]      neigh_parms_alloc+0x1e5/0x510
[  763.628711][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  763.628711][   T72]      ipv6_find_idev+0x102/0x170
[  763.628711][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  763.628711][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  763.628711][   T72]      netlink_rcv_skb+0x130/0x360
[  763.628711][   T72]      netlink_unicast+0x449/0x710
[  763.628711][   T72]      netlink_sendmsg+0x723/0xbe0
[  763.628711][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  763.628711][   T72]      ___sys_sendmsg+0xee/0x170
[  763.628711][   T72]      __sys_sendmsg+0xcd/0x170
[  763.628711][   T72]      do_syscall_64+0xc6/0x1e0
[  763.628711][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  763.628711][   T72] 
[  763.630599][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  763.630875][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  763.630875][   T72]      netdev_get_by_index+0x5e/0x80
[  763.630875][   T72]      fib6_nh_init+0x3d8/0x1580
[  763.630875][   T72]      ip6_route_info_create+0xf18/0x17d0
[  763.630875][   T72]      ip6_route_add+0x1c/0x140
[  763.630875][   T72]      addrconf_prefix_route+0x2a6/0x430
[  763.630875][   T72]      inet6_addr_add+0x4f8/0xa40
[  763.630875][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  763.630875][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  763.630875][   T72]      netlink_rcv_skb+0x130/0x360
[  763.630875][   T72]      netlink_unicast+0x449/0x710
[  763.630875][   T72]      netlink_sendmsg+0x723/0xbe0
[  763.630875][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  763.630875][   T72]      ___sys_sendmsg+0xee/0x170
[  763.630875][   T72]      __sys_sendmsg+0xcd/0x170
[  763.630875][   T72]      do_syscall_64+0xc6/0x1e0
[  763.630875][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  763.630875][   T72] 
[  763.633133][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  763.633133][   T72]      netdev_get_by_index+0x5e/0x80
[  763.633133][   T72]      fib6_nh_init+0x3d8/0x1580
[  763.633133][   T72]      ip6_route_info_create+0xf18/0x17d0
[  763.633133][   T72]      addrconf_f6i_alloc+0x315/0x560
[  763.633133][   T72]      ipv6_add_addr+0x411/0x2000
[  763.633133][   T72]      inet6_addr_add+0x30e/0xa40
[  763.633133][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  763.633133][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  763.633133][   T72]      netlink_rcv_skb+0x130/0x360
[  763.633133][   T72]      netlink_unicast+0x449/0x710
[  763.633133][   T72]      netlink_sendmsg+0x723/0xbe0
[  763.633133][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  763.633133][   T72]      ___sys_sendmsg+0xee/0x170
[  763.633133][   T72]      __sys_sendmsg+0xcd/0x170
[  763.633133][   T72]      do_syscall_64+0xc6/0x1e0
[  763.633133][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  763.633133][   T72] 
[  763.635389][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  763.635389][   T72]      netdev_get_by_index+0x5e/0x80
[  763.635389][   T72]      fib6_nh_init+0x3d8/0x1580
[  763.635389][   T72]      ip6_route_info_create+0xf18/0x17d0
[  763.635389][   T72]      ip6_route_add+0x1c/0x140
[  763.635389][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  763.635389][   T72]      addrconf_add_dev+0xe2/0x170
[  763.635389][   T72]      inet6_addr_add+0x12f/0xa40
[  763.635389][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  763.635389][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  763.635389][   T72]      netlink_rcv_skb+0x130/0x360
[  763.635389][   T72]      netlink_unicast+0x449/0x710
[  763.635389][   T72]      netlink_sendmsg+0x723/0xbe0
[  763.635389][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  763.635389][   T72]      ___sys_sendmsg+0xee/0x170
[  763.635389][   T72]      __sys_sendmsg+0xcd/0x170
[  763.635389][   T72]      do_syscall_64+0xc6/0x1e0
[  763.635389][   T72] 
[  763.637597][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  763.637597][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  763.637597][   T72]      ipv6_find_idev+0x102/0x170
[  763.637597][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  763.637597][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  763.637597][   T72]      netlink_rcv_skb+0x130/0x360
[  763.637597][   T72]      netlink_unicast+0x449/0x710
[  763.637597][   T72]      netlink_sendmsg+0x723/0xbe0
[  763.637597][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  763.637597][   T72]      ___sys_sendmsg+0xee/0x170
[  763.637597][   T72]      __sys_sendmsg+0xcd/0x170
[  763.637597][   T72]      do_syscall_64+0xc6/0x1e0
[  763.637597][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  763.637597][   T72] 
[  763.639318][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  763.639318][   T72]      neigh_parms_alloc+0x1e5/0x510
[  763.639318][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  763.639318][   T72]      ipv6_find_idev+0x102/0x170
[  763.639318][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  763.639318][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  763.639318][   T72]      netlink_rcv_skb+0x130/0x360
[  763.639318][   T72]      netlink_unicast+0x449/0x710
[  763.639318][   T72]      netlink_sendmsg+0x723/0xbe0
[  763.639318][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  763.639318][   T72]      ___sys_sendmsg+0xee/0x170
[  763.639318][   T72]      __sys_sendmsg+0xcd/0x170
[  763.639318][   T72]      do_syscall_64+0xc6/0x1e0
[  763.639318][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  763.639318][   T72] 
[  773.895880][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  773.896371][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  773.896371][   T72]      netdev_get_by_index+0x5e/0x80
[  773.896371][   T72]      fib6_nh_init+0x3d8/0x1580
[  773.896371][   T72]      ip6_route_info_create+0xf18/0x17d0
[  773.896371][   T72]      addrconf_f6i_alloc+0x315/0x560
[  773.896371][   T72]      ipv6_add_addr+0x411/0x2000
[  773.896371][   T72]      inet6_addr_add+0x30e/0xa40
[  773.896371][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  773.896371][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.896371][   T72]      netlink_rcv_skb+0x130/0x360
[  773.896371][   T72]      netlink_unicast+0x449/0x710
[  773.896371][   T72]      netlink_sendmsg+0x723/0xbe0
[  773.896371][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  773.896371][   T72]      ___sys_sendmsg+0xee/0x170
[  773.896371][   T72]      __sys_sendmsg+0xcd/0x170
[  773.896371][   T72]      do_syscall_64+0xc6/0x1e0
[  773.896371][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.896371][   T72] 
[  773.898769][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  773.898769][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  773.898769][   T72]      ipv6_find_idev+0x102/0x170
[  773.898769][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  773.898769][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.898769][   T72]      netlink_rcv_skb+0x130/0x360
[  773.898769][   T72]      netlink_unicast+0x449/0x710
[  773.898769][   T72]      netlink_sendmsg+0x723/0xbe0
[  773.898769][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  773.898769][   T72]      ___sys_sendmsg+0xee/0x170
[  773.898769][   T72]      __sys_sendmsg+0xcd/0x170
[  773.898769][   T72]      do_syscall_64+0xc6/0x1e0
[  773.898769][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.898769][   T72] 
[  773.900515][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  773.900515][   T72]      neigh_parms_alloc+0x1e5/0x510
[  773.900515][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  773.900515][   T72]      ipv6_find_idev+0x102/0x170
[  773.900515][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  773.900515][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.900515][   T72]      netlink_rcv_skb+0x130/0x360
[  773.900515][   T72]      netlink_unicast+0x449/0x710
[  773.900515][   T72]      netlink_sendmsg+0x723/0xbe0
[  773.900515][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  773.900515][   T72]      ___sys_sendmsg+0xee/0x170
[  773.900515][   T72]      __sys_sendmsg+0xcd/0x170
[  773.900515][   T72]      do_syscall_64+0xc6/0x1e0
[  773.900515][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.900515][   T72] 
[  773.902433][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  773.902695][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  773.902695][   T72]      netdev_get_by_index+0x5e/0x80
[  773.902695][   T72]      fib6_nh_init+0x3d8/0x1580
[  773.902695][   T72]      ip6_route_info_create+0xf18/0x17d0
[  773.902695][   T72]      ip6_route_add+0x1c/0x140
[  773.902695][   T72]      addrconf_prefix_route+0x2a6/0x430
[  773.902695][   T72]      inet6_addr_add+0x4f8/0xa40
[  773.902695][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  773.902695][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.902695][   T72]      netlink_rcv_skb+0x130/0x360
[  773.902695][   T72]      netlink_unicast+0x449/0x710
[  773.902695][   T72]      netlink_sendmsg+0x723/0xbe0
[  773.902695][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  773.902695][   T72]      ___sys_sendmsg+0xee/0x170
[  773.902695][   T72]      __sys_sendmsg+0xcd/0x170
[  773.902695][   T72]      do_syscall_64+0xc6/0x1e0
[  773.902695][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.902695][   T72] 
[  773.904955][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  773.904955][   T72]      netdev_get_by_index+0x5e/0x80
[  773.904955][   T72]      fib6_nh_init+0x3d8/0x1580
[  773.904955][   T72]      ip6_route_info_create+0xf18/0x17d0
[  773.904955][   T72]      addrconf_f6i_alloc+0x315/0x560
[  773.904955][   T72]      ipv6_add_addr+0x411/0x2000
[  773.904955][   T72]      inet6_addr_add+0x30e/0xa40
[  773.904955][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  773.904955][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.904955][   T72]      netlink_rcv_skb+0x130/0x360
[  773.904955][   T72]      netlink_unicast+0x449/0x710
[  773.904955][   T72]      netlink_sendmsg+0x723/0xbe0
[  773.904955][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  773.904955][   T72]      ___sys_sendmsg+0xee/0x170
[  773.904955][   T72]      __sys_sendmsg+0xcd/0x170
[  773.904955][   T72]      do_syscall_64+0xc6/0x1e0
[  773.904955][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.904955][   T72] 
[  773.907234][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  773.907234][   T72]      netdev_get_by_index+0x5e/0x80
[  773.907234][   T72]      fib6_nh_init+0x3d8/0x1580
[  773.907234][   T72]      ip6_route_info_create+0xf18/0x17d0
[  773.907234][   T72]      ip6_route_add+0x1c/0x140
[  773.907234][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  773.907234][   T72]      addrconf_add_dev+0xe2/0x170
[  773.907234][   T72]      inet6_addr_add+0x12f/0xa40
[  773.907234][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  773.907234][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.907234][   T72]      netlink_rcv_skb+0x130/0x360
[  773.907234][   T72]      netlink_unicast+0x449/0x710
[  773.907234][   T72]      netlink_sendmsg+0x723/0xbe0
[  773.907234][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  773.907234][   T72]      ___sys_sendmsg+0xee/0x170
[  773.907234][   T72]      __sys_sendmsg+0xcd/0x170
[  773.907234][   T72]      do_syscall_64+0xc6/0x1e0
[  773.907234][   T72] 
[  773.909463][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  773.909463][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  773.909463][   T72]      ipv6_find_idev+0x102/0x170
[  773.909463][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  773.909463][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.909463][   T72]      netlink_rcv_skb+0x130/0x360
[  773.909463][   T72]      netlink_unicast+0x449/0x710
[  773.909463][   T72]      netlink_sendmsg+0x723/0xbe0
[  773.909463][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  773.909463][   T72]      ___sys_sendmsg+0xee/0x170
[  773.909463][   T72]      __sys_sendmsg+0xcd/0x170
[  773.909463][   T72]      do_syscall_64+0xc6/0x1e0
[  773.909463][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.909463][   T72] 
[  773.911194][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  773.911194][   T72]      neigh_parms_alloc+0x1e5/0x510
[  773.911194][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  773.911194][   T72]      ipv6_find_idev+0x102/0x170
[  773.911194][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  773.911194][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.911194][   T72]      netlink_rcv_skb+0x130/0x360
[  773.911194][   T72]      netlink_unicast+0x449/0x710
[  773.911194][   T72]      netlink_sendmsg+0x723/0xbe0
[  773.911194][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  773.911194][   T72]      ___sys_sendmsg+0xee/0x170
[  773.911194][   T72]      __sys_sendmsg+0xcd/0x170
[  773.911194][   T72]      do_syscall_64+0xc6/0x1e0
[  773.911194][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.911194][   T72] 
[  784.167914][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  784.168337][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  784.168337][   T72]      netdev_get_by_index+0x5e/0x80
[  784.168337][   T72]      fib6_nh_init+0x3d8/0x1580
[  784.168337][   T72]      ip6_route_info_create+0xf18/0x17d0
[  784.168337][   T72]      addrconf_f6i_alloc+0x315/0x560
[  784.168337][   T72]      ipv6_add_addr+0x411/0x2000
[  784.168337][   T72]      inet6_addr_add+0x30e/0xa40
[  784.168337][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  784.168337][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  784.168337][   T72]      netlink_rcv_skb+0x130/0x360
[  784.168337][   T72]      netlink_unicast+0x449/0x710
[  784.168337][   T72]      netlink_sendmsg+0x723/0xbe0
[  784.168337][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  784.168337][   T72]      ___sys_sendmsg+0xee/0x170
[  784.168337][   T72]      __sys_sendmsg+0xcd/0x170
[  784.168337][   T72]      do_syscall_64+0xc6/0x1e0
[  784.168337][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  784.168337][   T72] 
[  784.170629][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  784.170629][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  784.170629][   T72]      ipv6_find_idev+0x102/0x170
[  784.170629][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  784.170629][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  784.170629][   T72]      netlink_rcv_skb+0x130/0x360
[  784.170629][   T72]      netlink_unicast+0x449/0x710
[  784.170629][   T72]      netlink_sendmsg+0x723/0xbe0
[  784.170629][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  784.170629][   T72]      ___sys_sendmsg+0xee/0x170
[  784.170629][   T72]      __sys_sendmsg+0xcd/0x170
[  784.170629][   T72]      do_syscall_64+0xc6/0x1e0
[  784.170629][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  784.170629][   T72] 
[  784.172382][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  784.172382][   T72]      neigh_parms_alloc+0x1e5/0x510
[  784.172382][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  784.172382][   T72]      ipv6_find_idev+0x102/0x170
[  784.172382][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  784.172382][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  784.172382][   T72]      netlink_rcv_skb+0x130/0x360
[  784.172382][   T72]      netlink_unicast+0x449/0x710
[  784.172382][   T72]      netlink_sendmsg+0x723/0xbe0
[  784.172382][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  784.172382][   T72]      ___sys_sendmsg+0xee/0x170
[  784.172382][   T72]      __sys_sendmsg+0xcd/0x170
[  784.172382][   T72]      do_syscall_64+0xc6/0x1e0
[  784.172382][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  784.172382][   T72] 
[  784.174307][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  784.174588][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  784.174588][   T72]      netdev_get_by_index+0x5e/0x80
[  784.174588][   T72]      fib6_nh_init+0x3d8/0x1580
[  784.174588][   T72]      ip6_route_info_create+0xf18/0x17d0
[  784.174588][   T72]      ip6_route_add+0x1c/0x140
[  784.174588][   T72]      addrconf_prefix_route+0x2a6/0x430
[  784.174588][   T72]      inet6_addr_add+0x4f8/0xa40
[  784.174588][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  784.174588][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  784.174588][   T72]      netlink_rcv_skb+0x130/0x360
[  784.174588][   T72]      netlink_unicast+0x449/0x710
[  784.174588][   T72]      netlink_sendmsg+0x723/0xbe0
[  784.174588][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  784.174588][   T72]      ___sys_sendmsg+0xee/0x170
[  784.174588][   T72]      __sys_sendmsg+0xcd/0x170
[  784.174588][   T72]      do_syscall_64+0xc6/0x1e0
[  784.174588][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  784.174588][   T72] 
[  784.176847][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  784.176847][   T72]      netdev_get_by_index+0x5e/0x80
[  784.176847][   T72]      fib6_nh_init+0x3d8/0x1580
[  784.176847][   T72]      ip6_route_info_create+0xf18/0x17d0
[  784.176847][   T72]      addrconf_f6i_alloc+0x315/0x560
[  784.176847][   T72]      ipv6_add_addr+0x411/0x2000
[  784.176847][   T72]      inet6_addr_add+0x30e/0xa40
[  784.176847][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  784.176847][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  784.176847][   T72]      netlink_rcv_skb+0x130/0x360
[  784.176847][   T72]      netlink_unicast+0x449/0x710
[  784.176847][   T72]      netlink_sendmsg+0x723/0xbe0
[  784.176847][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  784.176847][   T72]      ___sys_sendmsg+0xee/0x170
[  784.176847][   T72]      __sys_sendmsg+0xcd/0x170
[  784.176847][   T72]      do_syscall_64+0xc6/0x1e0
[  784.176847][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  784.176847][   T72] 
[  784.179113][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  784.179113][   T72]      netdev_get_by_index+0x5e/0x80
[  784.179113][   T72]      fib6_nh_init+0x3d8/0x1580
[  784.179113][   T72]      ip6_route_info_create+0xf18/0x17d0
[  784.179113][   T72]      ip6_route_add+0x1c/0x140
[  784.179113][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  784.179113][   T72]      addrconf_add_dev+0xe2/0x170
[  784.179113][   T72]      inet6_addr_add+0x12f/0xa40
[  784.179113][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  784.179113][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  784.179113][   T72]      netlink_rcv_skb+0x130/0x360
[  784.179113][   T72]      netlink_unicast+0x449/0x710
[  784.179113][   T72]      netlink_sendmsg+0x723/0xbe0
[  784.179113][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  784.179113][   T72]      ___sys_sendmsg+0xee/0x170
[  784.179113][   T72]      __sys_sendmsg+0xcd/0x170
[  784.179113][   T72]      do_syscall_64+0xc6/0x1e0
[  784.179113][   T72] 
[  784.181319][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  784.181319][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  784.181319][   T72]      ipv6_find_idev+0x102/0x170
[  784.181319][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  784.181319][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  784.181319][   T72]      netlink_rcv_skb+0x130/0x360
[  784.181319][   T72]      netlink_unicast+0x449/0x710
[  784.181319][   T72]      netlink_sendmsg+0x723/0xbe0
[  784.181319][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  784.181319][   T72]      ___sys_sendmsg+0xee/0x170
[  784.181319][   T72]      __sys_sendmsg+0xcd/0x170
[  784.181319][   T72]      do_syscall_64+0xc6/0x1e0
[  784.181319][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  784.181319][   T72] 
[  784.183049][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  784.183049][   T72]      neigh_parms_alloc+0x1e5/0x510
[  784.183049][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  784.183049][   T72]      ipv6_find_idev+0x102/0x170
[  784.183049][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  784.183049][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  784.183049][   T72]      netlink_rcv_skb+0x130/0x360
[  784.183049][   T72]      netlink_unicast+0x449/0x710
[  784.183049][   T72]      netlink_sendmsg+0x723/0xbe0
[  784.183049][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  784.183049][   T72]      ___sys_sendmsg+0xee/0x170
[  784.183049][   T72]      __sys_sendmsg+0xcd/0x170
[  784.183049][   T72]      do_syscall_64+0xc6/0x1e0
[  784.183049][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  784.183049][   T72] 
[  794.439880][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  794.440400][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  794.440400][   T72]      netdev_get_by_index+0x5e/0x80
[  794.440400][   T72]      fib6_nh_init+0x3d8/0x1580
[  794.440400][   T72]      ip6_route_info_create+0xf18/0x17d0
[  794.440400][   T72]      addrconf_f6i_alloc+0x315/0x560
[  794.440400][   T72]      ipv6_add_addr+0x411/0x2000
[  794.440400][   T72]      inet6_addr_add+0x30e/0xa40
[  794.440400][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  794.440400][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  794.440400][   T72]      netlink_rcv_skb+0x130/0x360
[  794.440400][   T72]      netlink_unicast+0x449/0x710
[  794.440400][   T72]      netlink_sendmsg+0x723/0xbe0
[  794.440400][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  794.440400][   T72]      ___sys_sendmsg+0xee/0x170
[  794.440400][   T72]      __sys_sendmsg+0xcd/0x170
[  794.440400][   T72]      do_syscall_64+0xc6/0x1e0
[  794.440400][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  794.440400][   T72] 
[  794.442638][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  794.442638][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  794.442638][   T72]      ipv6_find_idev+0x102/0x170
[  794.442638][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  794.442638][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  794.442638][   T72]      netlink_rcv_skb+0x130/0x360
[  794.442638][   T72]      netlink_unicast+0x449/0x710
[  794.442638][   T72]      netlink_sendmsg+0x723/0xbe0
[  794.442638][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  794.442638][   T72]      ___sys_sendmsg+0xee/0x170
[  794.442638][   T72]      __sys_sendmsg+0xcd/0x170
[  794.442638][   T72]      do_syscall_64+0xc6/0x1e0
[  794.442638][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  794.442638][   T72] 
[  794.444209][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  794.444209][   T72]      neigh_parms_alloc+0x1e5/0x510
[  794.444209][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  794.444209][   T72]      ipv6_find_idev+0x102/0x170
[  794.444209][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  794.444209][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  794.444209][   T72]      netlink_rcv_skb+0x130/0x360
[  794.444209][   T72]      netlink_unicast+0x449/0x710
[  794.444209][   T72]      netlink_sendmsg+0x723/0xbe0
[  794.444209][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  794.444209][   T72]      ___sys_sendmsg+0xee/0x170
[  794.444209][   T72]      __sys_sendmsg+0xcd/0x170
[  794.444209][   T72]      do_syscall_64+0xc6/0x1e0
[  794.444209][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  794.444209][   T72] 
[  794.445920][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  794.446170][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  794.446170][   T72]      netdev_get_by_index+0x5e/0x80
[  794.446170][   T72]      fib6_nh_init+0x3d8/0x1580
[  794.446170][   T72]      ip6_route_info_create+0xf18/0x17d0
[  794.446170][   T72]      ip6_route_add+0x1c/0x140
[  794.446170][   T72]      addrconf_prefix_route+0x2a6/0x430
[  794.446170][   T72]      inet6_addr_add+0x4f8/0xa40
[  794.446170][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  794.446170][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  794.446170][   T72]      netlink_rcv_skb+0x130/0x360
[  794.446170][   T72]      netlink_unicast+0x449/0x710
[  794.446170][   T72]      netlink_sendmsg+0x723/0xbe0
[  794.446170][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  794.446170][   T72]      ___sys_sendmsg+0xee/0x170
[  794.446170][   T72]      __sys_sendmsg+0xcd/0x170
[  794.446170][   T72]      do_syscall_64+0xc6/0x1e0
[  794.446170][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  794.446170][   T72] 
[  794.448200][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  794.448200][   T72]      netdev_get_by_index+0x5e/0x80
[  794.448200][   T72]      fib6_nh_init+0x3d8/0x1580
[  794.448200][   T72]      ip6_route_info_create+0xf18/0x17d0
[  794.448200][   T72]      addrconf_f6i_alloc+0x315/0x560
[  794.448200][   T72]      ipv6_add_addr+0x411/0x2000
[  794.448200][   T72]      inet6_addr_add+0x30e/0xa40
[  794.448200][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  794.448200][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  794.448200][   T72]      netlink_rcv_skb+0x130/0x360
[  794.448200][   T72]      netlink_unicast+0x449/0x710
[  794.448200][   T72]      netlink_sendmsg+0x723/0xbe0
[  794.448200][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  794.448200][   T72]      ___sys_sendmsg+0xee/0x170
[  794.448200][   T72]      __sys_sendmsg+0xcd/0x170
[  794.448200][   T72]      do_syscall_64+0xc6/0x1e0
[  794.448200][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  794.448200][   T72] 
[  794.450341][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  794.450341][   T72]      netdev_get_by_index+0x5e/0x80
[  794.450341][   T72]      fib6_nh_init+0x3d8/0x1580
[  794.450341][   T72]      ip6_route_info_create+0xf18/0x17d0
[  794.450341][   T72]      ip6_route_add+0x1c/0x140
[  794.450341][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  794.450341][   T72]      addrconf_add_dev+0xe2/0x170
[  794.450341][   T72]      inet6_addr_add+0x12f/0xa40
[  794.450341][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  794.450341][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  794.450341][   T72]      netlink_rcv_skb+0x130/0x360
[  794.450341][   T72]      netlink_unicast+0x449/0x710
[  794.450341][   T72]      netlink_sendmsg+0x723/0xbe0
[  794.450341][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  794.450341][   T72]      ___sys_sendmsg+0xee/0x170
[  794.450341][   T72]      __sys_sendmsg+0xcd/0x170
[  794.450341][   T72]      do_syscall_64+0xc6/0x1e0
[  794.450341][   T72] 
[  794.452968][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  794.452968][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  794.452968][   T72]      ipv6_find_idev+0x102/0x170
[  794.452968][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  794.452968][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  794.452968][   T72]      netlink_rcv_skb+0x130/0x360
[  794.452968][   T72]      netlink_unicast+0x449/0x710
[  794.452968][   T72]      netlink_sendmsg+0x723/0xbe0
[  794.452968][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  794.452968][   T72]      ___sys_sendmsg+0xee/0x170
[  794.452968][   T72]      __sys_sendmsg+0xcd/0x170
[  794.452968][   T72]      do_syscall_64+0xc6/0x1e0
[  794.452968][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  794.452968][   T72] 
[  794.455189][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  794.455189][   T72]      neigh_parms_alloc+0x1e5/0x510
[  794.455189][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  794.455189][   T72]      ipv6_find_idev+0x102/0x170
[  794.455189][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  794.455189][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  794.455189][   T72]      netlink_rcv_skb+0x130/0x360
[  794.455189][   T72]      netlink_unicast+0x449/0x710
[  794.455189][   T72]      netlink_sendmsg+0x723/0xbe0
[  794.455189][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  794.455189][   T72]      ___sys_sendmsg+0xee/0x170
[  794.455189][   T72]      __sys_sendmsg+0xcd/0x170
[  794.455189][   T72]      do_syscall_64+0xc6/0x1e0
[  794.455189][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  794.455189][   T72] 
[  804.711930][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  804.712418][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  804.712418][   T72]      netdev_get_by_index+0x5e/0x80
[  804.712418][   T72]      fib6_nh_init+0x3d8/0x1580
[  804.712418][   T72]      ip6_route_info_create+0xf18/0x17d0
[  804.712418][   T72]      addrconf_f6i_alloc+0x315/0x560
[  804.712418][   T72]      ipv6_add_addr+0x411/0x2000
[  804.712418][   T72]      inet6_addr_add+0x30e/0xa40
[  804.712418][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  804.712418][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  804.712418][   T72]      netlink_rcv_skb+0x130/0x360
[  804.712418][   T72]      netlink_unicast+0x449/0x710
[  804.712418][   T72]      netlink_sendmsg+0x723/0xbe0
[  804.712418][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  804.712418][   T72]      ___sys_sendmsg+0xee/0x170
[  804.712418][   T72]      __sys_sendmsg+0xcd/0x170
[  804.712418][   T72]      do_syscall_64+0xc6/0x1e0
[  804.712418][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  804.712418][   T72] 
[  804.714484][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  804.714484][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  804.714484][   T72]      ipv6_find_idev+0x102/0x170
[  804.714484][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  804.714484][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  804.714484][   T72]      netlink_rcv_skb+0x130/0x360
[  804.714484][   T72]      netlink_unicast+0x449/0x710
[  804.714484][   T72]      netlink_sendmsg+0x723/0xbe0
[  804.714484][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  804.714484][   T72]      ___sys_sendmsg+0xee/0x170
[  804.714484][   T72]      __sys_sendmsg+0xcd/0x170
[  804.714484][   T72]      do_syscall_64+0xc6/0x1e0
[  804.714484][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  804.714484][   T72] 
[  804.716044][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  804.716044][   T72]      neigh_parms_alloc+0x1e5/0x510
[  804.716044][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  804.716044][   T72]      ipv6_find_idev+0x102/0x170
[  804.716044][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  804.716044][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  804.716044][   T72]      netlink_rcv_skb+0x130/0x360
[  804.716044][   T72]      netlink_unicast+0x449/0x710
[  804.716044][   T72]      netlink_sendmsg+0x723/0xbe0
[  804.716044][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  804.716044][   T72]      ___sys_sendmsg+0xee/0x170
[  804.716044][   T72]      __sys_sendmsg+0xcd/0x170
[  804.716044][   T72]      do_syscall_64+0xc6/0x1e0
[  804.716044][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  804.716044][   T72] 
[  804.717790][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  804.718046][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  804.718046][   T72]      netdev_get_by_index+0x5e/0x80
[  804.718046][   T72]      fib6_nh_init+0x3d8/0x1580
[  804.718046][   T72]      ip6_route_info_create+0xf18/0x17d0
[  804.718046][   T72]      ip6_route_add+0x1c/0x140
[  804.718046][   T72]      addrconf_prefix_route+0x2a6/0x430
[  804.718046][   T72]      inet6_addr_add+0x4f8/0xa40
[  804.718046][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  804.718046][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  804.718046][   T72]      netlink_rcv_skb+0x130/0x360
[  804.718046][   T72]      netlink_unicast+0x449/0x710
[  804.718046][   T72]      netlink_sendmsg+0x723/0xbe0
[  804.718046][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  804.718046][   T72]      ___sys_sendmsg+0xee/0x170
[  804.718046][   T72]      __sys_sendmsg+0xcd/0x170
[  804.718046][   T72]      do_syscall_64+0xc6/0x1e0
[  804.718046][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  804.718046][   T72] 
[  804.720078][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  804.720078][   T72]      netdev_get_by_index+0x5e/0x80
[  804.720078][   T72]      fib6_nh_init+0x3d8/0x1580
[  804.720078][   T72]      ip6_route_info_create+0xf18/0x17d0
[  804.720078][   T72]      addrconf_f6i_alloc+0x315/0x560
[  804.720078][   T72]      ipv6_add_addr+0x411/0x2000
[  804.720078][   T72]      inet6_addr_add+0x30e/0xa40
[  804.720078][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  804.720078][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  804.720078][   T72]      netlink_rcv_skb+0x130/0x360
[  804.720078][   T72]      netlink_unicast+0x449/0x710
[  804.720078][   T72]      netlink_sendmsg+0x723/0xbe0
[  804.720078][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  804.720078][   T72]      ___sys_sendmsg+0xee/0x170
[  804.720078][   T72]      __sys_sendmsg+0xcd/0x170
[  804.720078][   T72]      do_syscall_64+0xc6/0x1e0
[  804.720078][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  804.720078][   T72] 
[  804.722102][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  804.722102][   T72]      netdev_get_by_index+0x5e/0x80
[  804.722102][   T72]      fib6_nh_init+0x3d8/0x1580
[  804.722102][   T72]      ip6_route_info_create+0xf18/0x17d0
[  804.722102][   T72]      ip6_route_add+0x1c/0x140
[  804.722102][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  804.722102][   T72]      addrconf_add_dev+0xe2/0x170
[  804.722102][   T72]      inet6_addr_add+0x12f/0xa40
[  804.722102][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  804.722102][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  804.722102][   T72]      netlink_rcv_skb+0x130/0x360
[  804.722102][   T72]      netlink_unicast+0x449/0x710
[  804.722102][   T72]      netlink_sendmsg+0x723/0xbe0
[  804.722102][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  804.722102][   T72]      ___sys_sendmsg+0xee/0x170
[  804.722102][   T72]      __sys_sendmsg+0xcd/0x170
[  804.722102][   T72]      do_syscall_64+0xc6/0x1e0
[  804.722102][   T72] 
[  804.724080][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  804.724080][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  804.724080][   T72]      ipv6_find_idev+0x102/0x170
[  804.724080][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  804.724080][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  804.724080][   T72]      netlink_rcv_skb+0x130/0x360
[  804.724080][   T72]      netlink_unicast+0x449/0x710
[  804.724080][   T72]      netlink_sendmsg+0x723/0xbe0
[  804.724080][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  804.724080][   T72]      ___sys_sendmsg+0xee/0x170
[  804.724080][   T72]      __sys_sendmsg+0xcd/0x170
[  804.724080][   T72]      do_syscall_64+0xc6/0x1e0
[  804.724080][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  804.724080][   T72] 
[  804.725644][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  804.725644][   T72]      neigh_parms_alloc+0x1e5/0x510
[  804.725644][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  804.725644][   T72]      ipv6_find_idev+0x102/0x170
[  804.725644][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  804.725644][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  804.725644][   T72]      netlink_rcv_skb+0x130/0x360
[  804.725644][   T72]      netlink_unicast+0x449/0x710
[  804.725644][   T72]      netlink_sendmsg+0x723/0xbe0
[  804.725644][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  804.725644][   T72]      ___sys_sendmsg+0xee/0x170
[  804.725644][   T72]      __sys_sendmsg+0xcd/0x170
[  804.725644][   T72]      do_syscall_64+0xc6/0x1e0
[  804.725644][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  804.725644][   T72] 
[  814.895798][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  814.896266][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  814.896266][   T72]      netdev_get_by_index+0x5e/0x80
[  814.896266][   T72]      fib6_nh_init+0x3d8/0x1580
[  814.896266][   T72]      ip6_route_info_create+0xf18/0x17d0
[  814.896266][   T72]      addrconf_f6i_alloc+0x315/0x560
[  814.896266][   T72]      ipv6_add_addr+0x411/0x2000
[  814.896266][   T72]      inet6_addr_add+0x30e/0xa40
[  814.896266][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  814.896266][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  814.896266][   T72]      netlink_rcv_skb+0x130/0x360
[  814.896266][   T72]      netlink_unicast+0x449/0x710
[  814.896266][   T72]      netlink_sendmsg+0x723/0xbe0
[  814.896266][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  814.896266][   T72]      ___sys_sendmsg+0xee/0x170
[  814.896266][   T72]      __sys_sendmsg+0xcd/0x170
[  814.896266][   T72]      do_syscall_64+0xc6/0x1e0
[  814.896266][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  814.896266][   T72] 
[  814.898332][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  814.898332][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  814.898332][   T72]      ipv6_find_idev+0x102/0x170
[  814.898332][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  814.898332][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  814.898332][   T72]      netlink_rcv_skb+0x130/0x360
[  814.898332][   T72]      netlink_unicast+0x449/0x710
[  814.898332][   T72]      netlink_sendmsg+0x723/0xbe0
[  814.898332][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  814.898332][   T72]      ___sys_sendmsg+0xee/0x170
[  814.898332][   T72]      __sys_sendmsg+0xcd/0x170
[  814.898332][   T72]      do_syscall_64+0xc6/0x1e0
[  814.898332][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  814.898332][   T72] 
[  814.899887][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  814.899887][   T72]      neigh_parms_alloc+0x1e5/0x510
[  814.899887][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  814.899887][   T72]      ipv6_find_idev+0x102/0x170
[  814.899887][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  814.899887][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  814.899887][   T72]      netlink_rcv_skb+0x130/0x360
[  814.899887][   T72]      netlink_unicast+0x449/0x710
[  814.899887][   T72]      netlink_sendmsg+0x723/0xbe0
[  814.899887][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  814.899887][   T72]      ___sys_sendmsg+0xee/0x170
[  814.899887][   T72]      __sys_sendmsg+0xcd/0x170
[  814.899887][   T72]      do_syscall_64+0xc6/0x1e0
[  814.899887][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  814.899887][   T72] 
[  814.901592][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  814.901847][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  814.901847][   T72]      netdev_get_by_index+0x5e/0x80
[  814.901847][   T72]      fib6_nh_init+0x3d8/0x1580
[  814.901847][   T72]      ip6_route_info_create+0xf18/0x17d0
[  814.901847][   T72]      ip6_route_add+0x1c/0x140
[  814.901847][   T72]      addrconf_prefix_route+0x2a6/0x430
[  814.901847][   T72]      inet6_addr_add+0x4f8/0xa40
[  814.901847][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  814.901847][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  814.901847][   T72]      netlink_rcv_skb+0x130/0x360
[  814.901847][   T72]      netlink_unicast+0x449/0x710
[  814.901847][   T72]      netlink_sendmsg+0x723/0xbe0
[  814.901847][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  814.901847][   T72]      ___sys_sendmsg+0xee/0x170
[  814.901847][   T72]      __sys_sendmsg+0xcd/0x170
[  814.901847][   T72]      do_syscall_64+0xc6/0x1e0
[  814.901847][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  814.901847][   T72] 
[  814.903874][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  814.903874][   T72]      netdev_get_by_index+0x5e/0x80
[  814.903874][   T72]      fib6_nh_init+0x3d8/0x1580
[  814.903874][   T72]      ip6_route_info_create+0xf18/0x17d0
[  814.903874][   T72]      addrconf_f6i_alloc+0x315/0x560
[  814.903874][   T72]      ipv6_add_addr+0x411/0x2000
[  814.903874][   T72]      inet6_addr_add+0x30e/0xa40
[  814.903874][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  814.903874][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  814.903874][   T72]      netlink_rcv_skb+0x130/0x360
[  814.903874][   T72]      netlink_unicast+0x449/0x710
[  814.903874][   T72]      netlink_sendmsg+0x723/0xbe0
[  814.903874][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  814.903874][   T72]      ___sys_sendmsg+0xee/0x170
[  814.903874][   T72]      __sys_sendmsg+0xcd/0x170
[  814.903874][   T72]      do_syscall_64+0xc6/0x1e0
[  814.903874][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  814.903874][   T72] 
[  814.905902][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  814.905902][   T72]      netdev_get_by_index+0x5e/0x80
[  814.905902][   T72]      fib6_nh_init+0x3d8/0x1580
[  814.905902][   T72]      ip6_route_info_create+0xf18/0x17d0
[  814.905902][   T72]      ip6_route_add+0x1c/0x140
[  814.905902][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  814.905902][   T72]      addrconf_add_dev+0xe2/0x170
[  814.905902][   T72]      inet6_addr_add+0x12f/0xa40
[  814.905902][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  814.905902][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  814.905902][   T72]      netlink_rcv_skb+0x130/0x360
[  814.905902][   T72]      netlink_unicast+0x449/0x710
[  814.905902][   T72]      netlink_sendmsg+0x723/0xbe0
[  814.905902][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  814.905902][   T72]      ___sys_sendmsg+0xee/0x170
[  814.905902][   T72]      __sys_sendmsg+0xcd/0x170
[  814.905902][   T72]      do_syscall_64+0xc6/0x1e0
[  814.905902][   T72] 
[  814.907891][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  814.907891][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  814.907891][   T72]      ipv6_find_idev+0x102/0x170
[  814.907891][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  814.907891][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  814.907891][   T72]      netlink_rcv_skb+0x130/0x360
[  814.907891][   T72]      netlink_unicast+0x449/0x710
[  814.907891][   T72]      netlink_sendmsg+0x723/0xbe0
[  814.907891][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  814.907891][   T72]      ___sys_sendmsg+0xee/0x170
[  814.907891][   T72]      __sys_sendmsg+0xcd/0x170
[  814.907891][   T72]      do_syscall_64+0xc6/0x1e0
[  814.907891][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  814.907891][   T72] 
[  814.909442][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  814.909442][   T72]      neigh_parms_alloc+0x1e5/0x510
[  814.909442][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  814.909442][   T72]      ipv6_find_idev+0x102/0x170
[  814.909442][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  814.909442][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  814.909442][   T72]      netlink_rcv_skb+0x130/0x360
[  814.909442][   T72]      netlink_unicast+0x449/0x710
[  814.909442][   T72]      netlink_sendmsg+0x723/0xbe0
[  814.909442][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  814.909442][   T72]      ___sys_sendmsg+0xee/0x170
[  814.909442][   T72]      __sys_sendmsg+0xcd/0x170
[  814.909442][   T72]      do_syscall_64+0xc6/0x1e0
[  814.909442][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  814.909442][   T72] 
[  825.151919][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  825.152331][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  825.152331][   T72]      netdev_get_by_index+0x5e/0x80
[  825.152331][   T72]      fib6_nh_init+0x3d8/0x1580
[  825.152331][   T72]      ip6_route_info_create+0xf18/0x17d0
[  825.152331][   T72]      addrconf_f6i_alloc+0x315/0x560
[  825.152331][   T72]      ipv6_add_addr+0x411/0x2000
[  825.152331][   T72]      inet6_addr_add+0x30e/0xa40
[  825.152331][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  825.152331][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  825.152331][   T72]      netlink_rcv_skb+0x130/0x360
[  825.152331][   T72]      netlink_unicast+0x449/0x710
[  825.152331][   T72]      netlink_sendmsg+0x723/0xbe0
[  825.152331][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  825.152331][   T72]      ___sys_sendmsg+0xee/0x170
[  825.152331][   T72]      __sys_sendmsg+0xcd/0x170
[  825.152331][   T72]      do_syscall_64+0xc6/0x1e0
[  825.152331][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  825.152331][   T72] 
[  825.154380][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  825.154380][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  825.154380][   T72]      ipv6_find_idev+0x102/0x170
[  825.154380][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  825.154380][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  825.154380][   T72]      netlink_rcv_skb+0x130/0x360
[  825.154380][   T72]      netlink_unicast+0x449/0x710
[  825.154380][   T72]      netlink_sendmsg+0x723/0xbe0
[  825.154380][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  825.154380][   T72]      ___sys_sendmsg+0xee/0x170
[  825.154380][   T72]      __sys_sendmsg+0xcd/0x170
[  825.154380][   T72]      do_syscall_64+0xc6/0x1e0
[  825.154380][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  825.154380][   T72] 
[  825.155943][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  825.155943][   T72]      neigh_parms_alloc+0x1e5/0x510
[  825.155943][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  825.155943][   T72]      ipv6_find_idev+0x102/0x170
[  825.155943][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  825.155943][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  825.155943][   T72]      netlink_rcv_skb+0x130/0x360
[  825.155943][   T72]      netlink_unicast+0x449/0x710
[  825.155943][   T72]      netlink_sendmsg+0x723/0xbe0
[  825.155943][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  825.155943][   T72]      ___sys_sendmsg+0xee/0x170
[  825.155943][   T72]      __sys_sendmsg+0xcd/0x170
[  825.155943][   T72]      do_syscall_64+0xc6/0x1e0
[  825.155943][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  825.155943][   T72] 
[  825.157674][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  825.157942][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  825.157942][   T72]      netdev_get_by_index+0x5e/0x80
[  825.157942][   T72]      fib6_nh_init+0x3d8/0x1580
[  825.157942][   T72]      ip6_route_info_create+0xf18/0x17d0
[  825.157942][   T72]      ip6_route_add+0x1c/0x140
[  825.157942][   T72]      addrconf_prefix_route+0x2a6/0x430
[  825.157942][   T72]      inet6_addr_add+0x4f8/0xa40
[  825.157942][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  825.157942][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  825.157942][   T72]      netlink_rcv_skb+0x130/0x360
[  825.157942][   T72]      netlink_unicast+0x449/0x710
[  825.157942][   T72]      netlink_sendmsg+0x723/0xbe0
[  825.157942][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  825.157942][   T72]      ___sys_sendmsg+0xee/0x170
[  825.157942][   T72]      __sys_sendmsg+0xcd/0x170
[  825.157942][   T72]      do_syscall_64+0xc6/0x1e0
[  825.157942][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  825.157942][   T72] 
[  825.160084][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  825.160084][   T72]      netdev_get_by_index+0x5e/0x80
[  825.160084][   T72]      fib6_nh_init+0x3d8/0x1580
[  825.160084][   T72]      ip6_route_info_create+0xf18/0x17d0
[  825.160084][   T72]      addrconf_f6i_alloc+0x315/0x560
[  825.160084][   T72]      ipv6_add_addr+0x411/0x2000
[  825.160084][   T72]      inet6_addr_add+0x30e/0xa40
[  825.160084][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  825.160084][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  825.160084][   T72]      netlink_rcv_skb+0x130/0x360
[  825.160084][   T72]      netlink_unicast+0x449/0x710
[  825.160084][   T72]      netlink_sendmsg+0x723/0xbe0
[  825.160084][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  825.160084][   T72]      ___sys_sendmsg+0xee/0x170
[  825.160084][   T72]      __sys_sendmsg+0xcd/0x170
[  825.160084][   T72]      do_syscall_64+0xc6/0x1e0
[  825.160084][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  825.160084][   T72] 
[  825.162118][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  825.162118][   T72]      netdev_get_by_index+0x5e/0x80
[  825.162118][   T72]      fib6_nh_init+0x3d8/0x1580
[  825.162118][   T72]      ip6_route_info_create+0xf18/0x17d0
[  825.162118][   T72]      ip6_route_add+0x1c/0x140
[  825.162118][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  825.162118][   T72]      addrconf_add_dev+0xe2/0x170
[  825.162118][   T72]      inet6_addr_add+0x12f/0xa40
[  825.162118][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  825.162118][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  825.162118][   T72]      netlink_rcv_skb+0x130/0x360
[  825.162118][   T72]      netlink_unicast+0x449/0x710
[  825.162118][   T72]      netlink_sendmsg+0x723/0xbe0
[  825.162118][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  825.162118][   T72]      ___sys_sendmsg+0xee/0x170
[  825.162118][   T72]      __sys_sendmsg+0xcd/0x170
[  825.162118][   T72]      do_syscall_64+0xc6/0x1e0
[  825.162118][   T72] 
[  825.164123][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  825.164123][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  825.164123][   T72]      ipv6_find_idev+0x102/0x170
[  825.164123][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  825.164123][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  825.164123][   T72]      netlink_rcv_skb+0x130/0x360
[  825.164123][   T72]      netlink_unicast+0x449/0x710
[  825.164123][   T72]      netlink_sendmsg+0x723/0xbe0
[  825.164123][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  825.164123][   T72]      ___sys_sendmsg+0xee/0x170
[  825.164123][   T72]      __sys_sendmsg+0xcd/0x170
[  825.164123][   T72]      do_syscall_64+0xc6/0x1e0
[  825.164123][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  825.164123][   T72] 
[  825.165680][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  825.165680][   T72]      neigh_parms_alloc+0x1e5/0x510
[  825.165680][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  825.165680][   T72]      ipv6_find_idev+0x102/0x170
[  825.165680][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  825.165680][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  825.165680][   T72]      netlink_rcv_skb+0x130/0x360
[  825.165680][   T72]      netlink_unicast+0x449/0x710
[  825.165680][   T72]      netlink_sendmsg+0x723/0xbe0
[  825.165680][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  825.165680][   T72]      ___sys_sendmsg+0xee/0x170
[  825.165680][   T72]      __sys_sendmsg+0xcd/0x170
[  825.165680][   T72]      do_syscall_64+0xc6/0x1e0
[  825.165680][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  825.165680][   T72] 
[  835.407885][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  835.408289][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  835.408289][   T72]      netdev_get_by_index+0x5e/0x80
[  835.408289][   T72]      fib6_nh_init+0x3d8/0x1580
[  835.408289][   T72]      ip6_route_info_create+0xf18/0x17d0
[  835.408289][   T72]      addrconf_f6i_alloc+0x315/0x560
[  835.408289][   T72]      ipv6_add_addr+0x411/0x2000
[  835.408289][   T72]      inet6_addr_add+0x30e/0xa40
[  835.408289][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  835.408289][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  835.408289][   T72]      netlink_rcv_skb+0x130/0x360
[  835.408289][   T72]      netlink_unicast+0x449/0x710
[  835.408289][   T72]      netlink_sendmsg+0x723/0xbe0
[  835.408289][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  835.408289][   T72]      ___sys_sendmsg+0xee/0x170
[  835.408289][   T72]      __sys_sendmsg+0xcd/0x170
[  835.408289][   T72]      do_syscall_64+0xc6/0x1e0
[  835.408289][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  835.408289][   T72] 
[  835.410358][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  835.410358][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  835.410358][   T72]      ipv6_find_idev+0x102/0x170
[  835.410358][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  835.410358][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  835.410358][   T72]      netlink_rcv_skb+0x130/0x360
[  835.410358][   T72]      netlink_unicast+0x449/0x710
[  835.410358][   T72]      netlink_sendmsg+0x723/0xbe0
[  835.410358][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  835.410358][   T72]      ___sys_sendmsg+0xee/0x170
[  835.410358][   T72]      __sys_sendmsg+0xcd/0x170
[  835.410358][   T72]      do_syscall_64+0xc6/0x1e0
[  835.410358][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  835.410358][   T72] 
[  835.411937][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  835.411937][   T72]      neigh_parms_alloc+0x1e5/0x510
[  835.411937][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  835.411937][   T72]      ipv6_find_idev+0x102/0x170
[  835.411937][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  835.411937][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  835.411937][   T72]      netlink_rcv_skb+0x130/0x360
[  835.411937][   T72]      netlink_unicast+0x449/0x710
[  835.411937][   T72]      netlink_sendmsg+0x723/0xbe0
[  835.411937][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  835.411937][   T72]      ___sys_sendmsg+0xee/0x170
[  835.411937][   T72]      __sys_sendmsg+0xcd/0x170
[  835.411937][   T72]      do_syscall_64+0xc6/0x1e0
[  835.411937][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  835.411937][   T72] 
[  835.413649][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  835.413918][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  835.413918][   T72]      netdev_get_by_index+0x5e/0x80
[  835.413918][   T72]      fib6_nh_init+0x3d8/0x1580
[  835.413918][   T72]      ip6_route_info_create+0xf18/0x17d0
[  835.413918][   T72]      ip6_route_add+0x1c/0x140
[  835.413918][   T72]      addrconf_prefix_route+0x2a6/0x430
[  835.413918][   T72]      inet6_addr_add+0x4f8/0xa40
[  835.413918][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  835.413918][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  835.413918][   T72]      netlink_rcv_skb+0x130/0x360
[  835.413918][   T72]      netlink_unicast+0x449/0x710
[  835.413918][   T72]      netlink_sendmsg+0x723/0xbe0
[  835.413918][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  835.413918][   T72]      ___sys_sendmsg+0xee/0x170
[  835.413918][   T72]      __sys_sendmsg+0xcd/0x170
[  835.413918][   T72]      do_syscall_64+0xc6/0x1e0
[  835.413918][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  835.413918][   T72] 
[  835.415944][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  835.415944][   T72]      netdev_get_by_index+0x5e/0x80
[  835.415944][   T72]      fib6_nh_init+0x3d8/0x1580
[  835.415944][   T72]      ip6_route_info_create+0xf18/0x17d0
[  835.415944][   T72]      addrconf_f6i_alloc+0x315/0x560
[  835.415944][   T72]      ipv6_add_addr+0x411/0x2000
[  835.415944][   T72]      inet6_addr_add+0x30e/0xa40
[  835.415944][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  835.415944][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  835.415944][   T72]      netlink_rcv_skb+0x130/0x360
[  835.415944][   T72]      netlink_unicast+0x449/0x710
[  835.415944][   T72]      netlink_sendmsg+0x723/0xbe0
[  835.415944][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  835.415944][   T72]      ___sys_sendmsg+0xee/0x170
[  835.415944][   T72]      __sys_sendmsg+0xcd/0x170
[  835.415944][   T72]      do_syscall_64+0xc6/0x1e0
[  835.415944][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  835.415944][   T72] 
[  835.417980][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  835.417980][   T72]      netdev_get_by_index+0x5e/0x80
[  835.417980][   T72]      fib6_nh_init+0x3d8/0x1580
[  835.417980][   T72]      ip6_route_info_create+0xf18/0x17d0
[  835.417980][   T72]      ip6_route_add+0x1c/0x140
[  835.417980][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  835.417980][   T72]      addrconf_add_dev+0xe2/0x170
[  835.417980][   T72]      inet6_addr_add+0x12f/0xa40
[  835.417980][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  835.417980][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  835.417980][   T72]      netlink_rcv_skb+0x130/0x360
[  835.417980][   T72]      netlink_unicast+0x449/0x710
[  835.417980][   T72]      netlink_sendmsg+0x723/0xbe0
[  835.417980][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  835.417980][   T72]      ___sys_sendmsg+0xee/0x170
[  835.417980][   T72]      __sys_sendmsg+0xcd/0x170
[  835.417980][   T72]      do_syscall_64+0xc6/0x1e0
[  835.417980][   T72] 
[  835.419969][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  835.419969][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  835.419969][   T72]      ipv6_find_idev+0x102/0x170
[  835.419969][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  835.419969][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  835.419969][   T72]      netlink_rcv_skb+0x130/0x360
[  835.419969][   T72]      netlink_unicast+0x449/0x710
[  835.419969][   T72]      netlink_sendmsg+0x723/0xbe0
[  835.419969][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  835.419969][   T72]      ___sys_sendmsg+0xee/0x170
[  835.419969][   T72]      __sys_sendmsg+0xcd/0x170
[  835.419969][   T72]      do_syscall_64+0xc6/0x1e0
[  835.419969][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  835.419969][   T72] 
[  835.421523][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  835.421523][   T72]      neigh_parms_alloc+0x1e5/0x510
[  835.421523][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  835.421523][   T72]      ipv6_find_idev+0x102/0x170
[  835.421523][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  835.421523][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  835.421523][   T72]      netlink_rcv_skb+0x130/0x360
[  835.421523][   T72]      netlink_unicast+0x449/0x710
[  835.421523][   T72]      netlink_sendmsg+0x723/0xbe0
[  835.421523][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  835.421523][   T72]      ___sys_sendmsg+0xee/0x170
[  835.421523][   T72]      __sys_sendmsg+0xcd/0x170
[  835.421523][   T72]      do_syscall_64+0xc6/0x1e0
[  835.421523][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  835.421523][   T72] 
[  845.663887][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  845.664303][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  845.664303][   T72]      netdev_get_by_index+0x5e/0x80
[  845.664303][   T72]      fib6_nh_init+0x3d8/0x1580
[  845.664303][   T72]      ip6_route_info_create+0xf18/0x17d0
[  845.664303][   T72]      addrconf_f6i_alloc+0x315/0x560
[  845.664303][   T72]      ipv6_add_addr+0x411/0x2000
[  845.664303][   T72]      inet6_addr_add+0x30e/0xa40
[  845.664303][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  845.664303][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  845.664303][   T72]      netlink_rcv_skb+0x130/0x360
[  845.664303][   T72]      netlink_unicast+0x449/0x710
[  845.664303][   T72]      netlink_sendmsg+0x723/0xbe0
[  845.664303][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  845.664303][   T72]      ___sys_sendmsg+0xee/0x170
[  845.664303][   T72]      __sys_sendmsg+0xcd/0x170
[  845.664303][   T72]      do_syscall_64+0xc6/0x1e0
[  845.664303][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  845.664303][   T72] 
[  845.666355][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  845.666355][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  845.666355][   T72]      ipv6_find_idev+0x102/0x170
[  845.666355][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  845.666355][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  845.666355][   T72]      netlink_rcv_skb+0x130/0x360
[  845.666355][   T72]      netlink_unicast+0x449/0x710
[  845.666355][   T72]      netlink_sendmsg+0x723/0xbe0
[  845.666355][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  845.666355][   T72]      ___sys_sendmsg+0xee/0x170
[  845.666355][   T72]      __sys_sendmsg+0xcd/0x170
[  845.666355][   T72]      do_syscall_64+0xc6/0x1e0
[  845.666355][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  845.666355][   T72] 
[  845.667933][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  845.667933][   T72]      neigh_parms_alloc+0x1e5/0x510
[  845.667933][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  845.667933][   T72]      ipv6_find_idev+0x102/0x170
[  845.667933][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  845.667933][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  845.667933][   T72]      netlink_rcv_skb+0x130/0x360
[  845.667933][   T72]      netlink_unicast+0x449/0x710
[  845.667933][   T72]      netlink_sendmsg+0x723/0xbe0
[  845.667933][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  845.667933][   T72]      ___sys_sendmsg+0xee/0x170
[  845.667933][   T72]      __sys_sendmsg+0xcd/0x170
[  845.667933][   T72]      do_syscall_64+0xc6/0x1e0
[  845.667933][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  845.667933][   T72] 
[  845.669642][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  845.669934][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  845.669934][   T72]      netdev_get_by_index+0x5e/0x80
[  845.669934][   T72]      fib6_nh_init+0x3d8/0x1580
[  845.669934][   T72]      ip6_route_info_create+0xf18/0x17d0
[  845.669934][   T72]      ip6_route_add+0x1c/0x140
[  845.669934][   T72]      addrconf_prefix_route+0x2a6/0x430
[  845.669934][   T72]      inet6_addr_add+0x4f8/0xa40
[  845.669934][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  845.669934][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  845.669934][   T72]      netlink_rcv_skb+0x130/0x360
[  845.669934][   T72]      netlink_unicast+0x449/0x710
[  845.669934][   T72]      netlink_sendmsg+0x723/0xbe0
[  845.669934][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  845.669934][   T72]      ___sys_sendmsg+0xee/0x170
[  845.669934][   T72]      __sys_sendmsg+0xcd/0x170
[  845.669934][   T72]      do_syscall_64+0xc6/0x1e0
[  845.669934][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  845.669934][   T72] 
[  845.671970][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  845.671970][   T72]      netdev_get_by_index+0x5e/0x80
[  845.671970][   T72]      fib6_nh_init+0x3d8/0x1580
[  845.671970][   T72]      ip6_route_info_create+0xf18/0x17d0
[  845.671970][   T72]      addrconf_f6i_alloc+0x315/0x560
[  845.671970][   T72]      ipv6_add_addr+0x411/0x2000
[  845.671970][   T72]      inet6_addr_add+0x30e/0xa40
[  845.671970][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  845.671970][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  845.671970][   T72]      netlink_rcv_skb+0x130/0x360
[  845.671970][   T72]      netlink_unicast+0x449/0x710
[  845.671970][   T72]      netlink_sendmsg+0x723/0xbe0
[  845.671970][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  845.671970][   T72]      ___sys_sendmsg+0xee/0x170
[  845.671970][   T72]      __sys_sendmsg+0xcd/0x170
[  845.671970][   T72]      do_syscall_64+0xc6/0x1e0
[  845.671970][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  845.671970][   T72] 
[  845.674007][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  845.674007][   T72]      netdev_get_by_index+0x5e/0x80
[  845.674007][   T72]      fib6_nh_init+0x3d8/0x1580
[  845.674007][   T72]      ip6_route_info_create+0xf18/0x17d0
[  845.674007][   T72]      ip6_route_add+0x1c/0x140
[  845.674007][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  845.674007][   T72]      addrconf_add_dev+0xe2/0x170
[  845.674007][   T72]      inet6_addr_add+0x12f/0xa40
[  845.674007][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  845.674007][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  845.674007][   T72]      netlink_rcv_skb+0x130/0x360
[  845.674007][   T72]      netlink_unicast+0x449/0x710
[  845.674007][   T72]      netlink_sendmsg+0x723/0xbe0
[  845.674007][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  845.674007][   T72]      ___sys_sendmsg+0xee/0x170
[  845.674007][   T72]      __sys_sendmsg+0xcd/0x170
[  845.674007][   T72]      do_syscall_64+0xc6/0x1e0
[  845.674007][   T72] 
[  845.676007][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  845.676007][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  845.676007][   T72]      ipv6_find_idev+0x102/0x170
[  845.676007][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  845.676007][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  845.676007][   T72]      netlink_rcv_skb+0x130/0x360
[  845.676007][   T72]      netlink_unicast+0x449/0x710
[  845.676007][   T72]      netlink_sendmsg+0x723/0xbe0
[  845.676007][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  845.676007][   T72]      ___sys_sendmsg+0xee/0x170
[  845.676007][   T72]      __sys_sendmsg+0xcd/0x170
[  845.676007][   T72]      do_syscall_64+0xc6/0x1e0
[  845.676007][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  845.676007][   T72] 
[  845.677596][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  845.677596][   T72]      neigh_parms_alloc+0x1e5/0x510
[  845.677596][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  845.677596][   T72]      ipv6_find_idev+0x102/0x170
[  845.677596][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  845.677596][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  845.677596][   T72]      netlink_rcv_skb+0x130/0x360
[  845.677596][   T72]      netlink_unicast+0x449/0x710
[  845.677596][   T72]      netlink_sendmsg+0x723/0xbe0
[  845.677596][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  845.677596][   T72]      ___sys_sendmsg+0xee/0x170
[  845.677596][   T72]      __sys_sendmsg+0xcd/0x170
[  845.677596][   T72]      do_syscall_64+0xc6/0x1e0
[  845.677596][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  845.677596][   T72] 
[  855.919824][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  855.920232][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  855.920232][   T72]      netdev_get_by_index+0x5e/0x80
[  855.920232][   T72]      fib6_nh_init+0x3d8/0x1580
[  855.920232][   T72]      ip6_route_info_create+0xf18/0x17d0
[  855.920232][   T72]      addrconf_f6i_alloc+0x315/0x560
[  855.920232][   T72]      ipv6_add_addr+0x411/0x2000
[  855.920232][   T72]      inet6_addr_add+0x30e/0xa40
[  855.920232][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  855.920232][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  855.920232][   T72]      netlink_rcv_skb+0x130/0x360
[  855.920232][   T72]      netlink_unicast+0x449/0x710
[  855.920232][   T72]      netlink_sendmsg+0x723/0xbe0
[  855.920232][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  855.920232][   T72]      ___sys_sendmsg+0xee/0x170
[  855.920232][   T72]      __sys_sendmsg+0xcd/0x170
[  855.920232][   T72]      do_syscall_64+0xc6/0x1e0
[  855.920232][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  855.920232][   T72] 
[  855.922442][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  855.922442][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  855.922442][   T72]      ipv6_find_idev+0x102/0x170
[  855.922442][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  855.922442][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  855.922442][   T72]      netlink_rcv_skb+0x130/0x360
[  855.922442][   T72]      netlink_unicast+0x449/0x710
[  855.922442][   T72]      netlink_sendmsg+0x723/0xbe0
[  855.922442][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  855.922442][   T72]      ___sys_sendmsg+0xee/0x170
[  855.922442][   T72]      __sys_sendmsg+0xcd/0x170
[  855.922442][   T72]      do_syscall_64+0xc6/0x1e0
[  855.922442][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  855.922442][   T72] 
[  855.923995][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  855.923995][   T72]      neigh_parms_alloc+0x1e5/0x510
[  855.923995][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  855.923995][   T72]      ipv6_find_idev+0x102/0x170
[  855.923995][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  855.923995][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  855.923995][   T72]      netlink_rcv_skb+0x130/0x360
[  855.923995][   T72]      netlink_unicast+0x449/0x710
[  855.923995][   T72]      netlink_sendmsg+0x723/0xbe0
[  855.923995][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  855.923995][   T72]      ___sys_sendmsg+0xee/0x170
[  855.923995][   T72]      __sys_sendmsg+0xcd/0x170
[  855.923995][   T72]      do_syscall_64+0xc6/0x1e0
[  855.923995][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  855.923995][   T72] 
[  855.925707][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  855.925967][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  855.925967][   T72]      netdev_get_by_index+0x5e/0x80
[  855.925967][   T72]      fib6_nh_init+0x3d8/0x1580
[  855.925967][   T72]      ip6_route_info_create+0xf18/0x17d0
[  855.925967][   T72]      ip6_route_add+0x1c/0x140
[  855.925967][   T72]      addrconf_prefix_route+0x2a6/0x430
[  855.925967][   T72]      inet6_addr_add+0x4f8/0xa40
[  855.925967][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  855.925967][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  855.925967][   T72]      netlink_rcv_skb+0x130/0x360
[  855.925967][   T72]      netlink_unicast+0x449/0x710
[  855.925967][   T72]      netlink_sendmsg+0x723/0xbe0
[  855.925967][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  855.925967][   T72]      ___sys_sendmsg+0xee/0x170
[  855.925967][   T72]      __sys_sendmsg+0xcd/0x170
[  855.925967][   T72]      do_syscall_64+0xc6/0x1e0
[  855.925967][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  855.925967][   T72] 
[  855.928022][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  855.928022][   T72]      netdev_get_by_index+0x5e/0x80
[  855.928022][   T72]      fib6_nh_init+0x3d8/0x1580
[  855.928022][   T72]      ip6_route_info_create+0xf18/0x17d0
[  855.928022][   T72]      addrconf_f6i_alloc+0x315/0x560
[  855.928022][   T72]      ipv6_add_addr+0x411/0x2000
[  855.928022][   T72]      inet6_addr_add+0x30e/0xa40
[  855.928022][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  855.928022][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  855.928022][   T72]      netlink_rcv_skb+0x130/0x360
[  855.928022][   T72]      netlink_unicast+0x449/0x710
[  855.928022][   T72]      netlink_sendmsg+0x723/0xbe0
[  855.928022][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  855.928022][   T72]      ___sys_sendmsg+0xee/0x170
[  855.928022][   T72]      __sys_sendmsg+0xcd/0x170
[  855.928022][   T72]      do_syscall_64+0xc6/0x1e0
[  855.928022][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  855.928022][   T72] 
[  855.930043][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  855.930043][   T72]      netdev_get_by_index+0x5e/0x80
[  855.930043][   T72]      fib6_nh_init+0x3d8/0x1580
[  855.930043][   T72]      ip6_route_info_create+0xf18/0x17d0
[  855.930043][   T72]      ip6_route_add+0x1c/0x140
[  855.930043][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  855.930043][   T72]      addrconf_add_dev+0xe2/0x170
[  855.930043][   T72]      inet6_addr_add+0x12f/0xa40
[  855.930043][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  855.930043][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  855.930043][   T72]      netlink_rcv_skb+0x130/0x360
[  855.930043][   T72]      netlink_unicast+0x449/0x710
[  855.930043][   T72]      netlink_sendmsg+0x723/0xbe0
[  855.930043][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  855.930043][   T72]      ___sys_sendmsg+0xee/0x170
[  855.930043][   T72]      __sys_sendmsg+0xcd/0x170
[  855.930043][   T72]      do_syscall_64+0xc6/0x1e0
[  855.930043][   T72] 
[  855.932034][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  855.932034][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  855.932034][   T72]      ipv6_find_idev+0x102/0x170
[  855.932034][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  855.932034][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  855.932034][   T72]      netlink_rcv_skb+0x130/0x360
[  855.932034][   T72]      netlink_unicast+0x449/0x710
[  855.932034][   T72]      netlink_sendmsg+0x723/0xbe0
[  855.932034][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  855.932034][   T72]      ___sys_sendmsg+0xee/0x170
[  855.932034][   T72]      __sys_sendmsg+0xcd/0x170
[  855.932034][   T72]      do_syscall_64+0xc6/0x1e0
[  855.932034][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  855.932034][   T72] 
[  855.933583][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  855.933583][   T72]      neigh_parms_alloc+0x1e5/0x510
[  855.933583][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  855.933583][   T72]      ipv6_find_idev+0x102/0x170
[  855.933583][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  855.933583][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  855.933583][   T72]      netlink_rcv_skb+0x130/0x360
[  855.933583][   T72]      netlink_unicast+0x449/0x710
[  855.933583][   T72]      netlink_sendmsg+0x723/0xbe0
[  855.933583][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  855.933583][   T72]      ___sys_sendmsg+0xee/0x170
[  855.933583][   T72]      __sys_sendmsg+0xcd/0x170
[  855.933583][   T72]      do_syscall_64+0xc6/0x1e0
[  855.933583][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  855.933583][   T72] 
[  861.479833][   T42] INFO: task modprobe:456 blocked for more than 737 seconds.
[  861.480129][   T42]       Not tainted 6.8.0-virtme #1
[  861.480250][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  861.480453][   T42] task:modprobe        state:D stack:25648 pid:456   tgid:456   ppid:39     flags:0x00004002
[  861.480717][   T42] Call Trace:
[  861.480847][   T42]  <TASK>
[  861.480921][   T42]  __schedule+0x705/0x1ac0
[  861.481065][   T42]  ? __pfx___schedule+0x10/0x10
[  861.481192][   T42]  ? schedule+0x1a5/0x210
[  861.481290][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  861.481423][   T42]  ? mark_lock+0x38/0x3e0
[  861.481522][   T42]  ? do_raw_spin_lock+0x131/0x270
[  861.481651][   T42]  ? schedule+0x1a5/0x210
[  861.481753][   T42]  schedule+0xdf/0x210
[  861.481869][   T42]  schedule_preempt_disabled+0x15/0x30
[  861.481993][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[  861.482124][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[  861.482284][   T42]  ? kasan_save_stack+0x34/0x50
[  861.482410][   T42]  ? kasan_save_stack+0x24/0x50
[  861.482535][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  861.482666][   T42]  ? lock_acquire+0x1c1/0x220
[  861.482801][   T42]  ? register_pernet_subsys+0x1a/0x50
[  861.482941][   T42]  down_write+0x1c9/0x200
[  861.483038][   T42]  ? __pfx_down_write+0x10/0x10
[  861.483165][   T42]  ? __pfx___lock_release+0x10/0x10
[  861.483295][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[  861.483491][   T42]  register_pernet_subsys+0x1a/0x50
[  861.483615][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[  861.483808][   T42]  do_one_initcall+0xc8/0x3f0
[  861.483938][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[  861.484071][   T42]  ? __create_object+0x5e/0xb0
[  861.484202][   T42]  ? kasan_unpoison+0x27/0x60
[  861.484333][   T42]  do_init_module+0x233/0x740
[  861.484469][   T42]  load_module+0x16b5/0x2350
[  861.484608][   T42]  ? __pfx_load_module+0x10/0x10
[  861.484733][   T42]  ? kernel_read_file+0x3d2/0x520
[  861.484884][   T42]  ? kernel_read_file+0x300/0x520
[  861.485030][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[  861.485169][   T42]  ? init_module_from_file+0xd2/0x130
[  861.485291][   T42]  init_module_from_file+0xd2/0x130
[  861.485416][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[  861.485570][   T42]  ? __lock_release+0x103/0x460
[  861.485699][   T42]  ? idempotent_init_module+0x32a/0x620
[  861.485846][   T42]  ? idempotent_init_module+0x32a/0x620
[  861.485971][   T42]  ? do_raw_spin_unlock+0x58/0x220
[  861.486101][   T42]  idempotent_init_module+0x342/0x620
[  861.486228][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[  861.486403][   T42]  __x64_sys_finit_module+0xbe/0x130
[  861.486532][   T42]  do_syscall_64+0xc6/0x1e0
[  861.486662][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  861.486830][   T42] RIP: 0033:0x7f93cc153e5d
[  861.486965][   T42] RSP: 002b:00007fff97ff1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  861.487157][   T42] RAX: ffffffffffffffda RBX: 0000557c14f43e90 RCX: 00007f93cc153e5d
[  861.487344][   T42] RDX: 0000000000000000 RSI: 0000557bf5357a2a RDI: 0000000000000001
[  861.487529][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557c14f444f0
[  861.487713][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bf5357a2a
[  861.487914][   T42] R13: 0000557c14f43e40 R14: 0000557c14f44570 R15: 0000000000000000
[  861.488118][   T42]  </TASK>
[  861.488214][   T42] 
[  861.488214][   T42] Showing all locks held in the system:
[  861.488394][   T42] 2 locks held by kworker/u20:0/39:
[  861.488517][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  861.488789][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  861.489082][   T42] 1 lock held by khungtaskd/42:
[  861.489200][   T42]  #0: ffffffffa85591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[  861.489423][   T42] 3 locks held by kworker/u16:1/72:
[  861.489544][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  861.489804][   T42]  #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  861.490025][   T42]  #2: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[  861.490247][   T42] 1 lock held by modprobe/456:
[  861.490368][   T42]  #0: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[  861.490619][   T42] 
[  861.490681][   T42] =============================================
[  861.490681][   T42] 
[  866.175883][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  866.176382][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  866.176382][   T72]      netdev_get_by_index+0x5e/0x80
[  866.176382][   T72]      fib6_nh_init+0x3d8/0x1580
[  866.176382][   T72]      ip6_route_info_create+0xf18/0x17d0
[  866.176382][   T72]      addrconf_f6i_alloc+0x315/0x560
[  866.176382][   T72]      ipv6_add_addr+0x411/0x2000
[  866.176382][   T72]      inet6_addr_add+0x30e/0xa40
[  866.176382][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  866.176382][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  866.176382][   T72]      netlink_rcv_skb+0x130/0x360
[  866.176382][   T72]      netlink_unicast+0x449/0x710
[  866.176382][   T72]      netlink_sendmsg+0x723/0xbe0
[  866.176382][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  866.176382][   T72]      ___sys_sendmsg+0xee/0x170
[  866.176382][   T72]      __sys_sendmsg+0xcd/0x170
[  866.176382][   T72]      do_syscall_64+0xc6/0x1e0
[  866.176382][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  866.176382][   T72] 
[  866.178469][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  866.178469][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  866.178469][   T72]      ipv6_find_idev+0x102/0x170
[  866.178469][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  866.178469][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  866.178469][   T72]      netlink_rcv_skb+0x130/0x360
[  866.178469][   T72]      netlink_unicast+0x449/0x710
[  866.178469][   T72]      netlink_sendmsg+0x723/0xbe0
[  866.178469][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  866.178469][   T72]      ___sys_sendmsg+0xee/0x170
[  866.178469][   T72]      __sys_sendmsg+0xcd/0x170
[  866.178469][   T72]      do_syscall_64+0xc6/0x1e0
[  866.178469][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  866.178469][   T72] 
[  866.180047][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  866.180047][   T72]      neigh_parms_alloc+0x1e5/0x510
[  866.180047][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  866.180047][   T72]      ipv6_find_idev+0x102/0x170
[  866.180047][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  866.180047][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  866.180047][   T72]      netlink_rcv_skb+0x130/0x360
[  866.180047][   T72]      netlink_unicast+0x449/0x710
[  866.180047][   T72]      netlink_sendmsg+0x723/0xbe0
[  866.180047][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  866.180047][   T72]      ___sys_sendmsg+0xee/0x170
[  866.180047][   T72]      __sys_sendmsg+0xcd/0x170
[  866.180047][   T72]      do_syscall_64+0xc6/0x1e0
[  866.180047][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  866.180047][   T72] 
[  866.181804][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  866.182054][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  866.182054][   T72]      netdev_get_by_index+0x5e/0x80
[  866.182054][   T72]      fib6_nh_init+0x3d8/0x1580
[  866.182054][   T72]      ip6_route_info_create+0xf18/0x17d0
[  866.182054][   T72]      ip6_route_add+0x1c/0x140
[  866.182054][   T72]      addrconf_prefix_route+0x2a6/0x430
[  866.182054][   T72]      inet6_addr_add+0x4f8/0xa40
[  866.182054][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  866.182054][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  866.182054][   T72]      netlink_rcv_skb+0x130/0x360
[  866.182054][   T72]      netlink_unicast+0x449/0x710
[  866.182054][   T72]      netlink_sendmsg+0x723/0xbe0
[  866.182054][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  866.182054][   T72]      ___sys_sendmsg+0xee/0x170
[  866.182054][   T72]      __sys_sendmsg+0xcd/0x170
[  866.182054][   T72]      do_syscall_64+0xc6/0x1e0
[  866.182054][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  866.182054][   T72] 
[  866.184103][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  866.184103][   T72]      netdev_get_by_index+0x5e/0x80
[  866.184103][   T72]      fib6_nh_init+0x3d8/0x1580
[  866.184103][   T72]      ip6_route_info_create+0xf18/0x17d0
[  866.184103][   T72]      addrconf_f6i_alloc+0x315/0x560
[  866.184103][   T72]      ipv6_add_addr+0x411/0x2000
[  866.184103][   T72]      inet6_addr_add+0x30e/0xa40
[  866.184103][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  866.184103][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  866.184103][   T72]      netlink_rcv_skb+0x130/0x360
[  866.184103][   T72]      netlink_unicast+0x449/0x710
[  866.184103][   T72]      netlink_sendmsg+0x723/0xbe0
[  866.184103][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  866.184103][   T72]      ___sys_sendmsg+0xee/0x170
[  866.184103][   T72]      __sys_sendmsg+0xcd/0x170
[  866.184103][   T72]      do_syscall_64+0xc6/0x1e0
[  866.184103][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  866.184103][   T72] 
[  866.186185][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  866.186185][   T72]      netdev_get_by_index+0x5e/0x80
[  866.186185][   T72]      fib6_nh_init+0x3d8/0x1580
[  866.186185][   T72]      ip6_route_info_create+0xf18/0x17d0
[  866.186185][   T72]      ip6_route_add+0x1c/0x140
[  866.186185][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  866.186185][   T72]      addrconf_add_dev+0xe2/0x170
[  866.186185][   T72]      inet6_addr_add+0x12f/0xa40
[  866.186185][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  866.186185][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  866.186185][   T72]      netlink_rcv_skb+0x130/0x360
[  866.186185][   T72]      netlink_unicast+0x449/0x710
[  866.186185][   T72]      netlink_sendmsg+0x723/0xbe0
[  866.186185][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  866.186185][   T72]      ___sys_sendmsg+0xee/0x170
[  866.186185][   T72]      __sys_sendmsg+0xcd/0x170
[  866.186185][   T72]      do_syscall_64+0xc6/0x1e0
[  866.186185][   T72] 
[  866.188210][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  866.188210][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  866.188210][   T72]      ipv6_find_idev+0x102/0x170
[  866.188210][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  866.188210][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  866.188210][   T72]      netlink_rcv_skb+0x130/0x360
[  866.188210][   T72]      netlink_unicast+0x449/0x710
[  866.188210][   T72]      netlink_sendmsg+0x723/0xbe0
[  866.188210][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  866.188210][   T72]      ___sys_sendmsg+0xee/0x170
[  866.188210][   T72]      __sys_sendmsg+0xcd/0x170
[  866.188210][   T72]      do_syscall_64+0xc6/0x1e0
[  866.188210][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  866.188210][   T72] 
[  866.189802][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  866.189802][   T72]      neigh_parms_alloc+0x1e5/0x510
[  866.189802][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  866.189802][   T72]      ipv6_find_idev+0x102/0x170
[  866.189802][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  866.189802][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  866.189802][   T72]      netlink_rcv_skb+0x130/0x360
[  866.189802][   T72]      netlink_unicast+0x449/0x710
[  866.189802][   T72]      netlink_sendmsg+0x723/0xbe0
[  866.189802][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  866.189802][   T72]      ___sys_sendmsg+0xee/0x170
[  866.189802][   T72]      __sys_sendmsg+0xcd/0x170
[  866.189802][   T72]      do_syscall_64+0xc6/0x1e0
[  866.189802][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  866.189802][   T72] 
[  876.431822][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  876.432316][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  876.432316][   T72]      netdev_get_by_index+0x5e/0x80
[  876.432316][   T72]      fib6_nh_init+0x3d8/0x1580
[  876.432316][   T72]      ip6_route_info_create+0xf18/0x17d0
[  876.432316][   T72]      addrconf_f6i_alloc+0x315/0x560
[  876.432316][   T72]      ipv6_add_addr+0x411/0x2000
[  876.432316][   T72]      inet6_addr_add+0x30e/0xa40
[  876.432316][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  876.432316][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  876.432316][   T72]      netlink_rcv_skb+0x130/0x360
[  876.432316][   T72]      netlink_unicast+0x449/0x710
[  876.432316][   T72]      netlink_sendmsg+0x723/0xbe0
[  876.432316][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  876.432316][   T72]      ___sys_sendmsg+0xee/0x170
[  876.432316][   T72]      __sys_sendmsg+0xcd/0x170
[  876.432316][   T72]      do_syscall_64+0xc6/0x1e0
[  876.432316][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  876.432316][   T72] 
[  876.434409][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  876.434409][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  876.434409][   T72]      ipv6_find_idev+0x102/0x170
[  876.434409][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  876.434409][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  876.434409][   T72]      netlink_rcv_skb+0x130/0x360
[  876.434409][   T72]      netlink_unicast+0x449/0x710
[  876.434409][   T72]      netlink_sendmsg+0x723/0xbe0
[  876.434409][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  876.434409][   T72]      ___sys_sendmsg+0xee/0x170
[  876.434409][   T72]      __sys_sendmsg+0xcd/0x170
[  876.434409][   T72]      do_syscall_64+0xc6/0x1e0
[  876.434409][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  876.434409][   T72] 
[  876.436006][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  876.436006][   T72]      neigh_parms_alloc+0x1e5/0x510
[  876.436006][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  876.436006][   T72]      ipv6_find_idev+0x102/0x170
[  876.436006][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  876.436006][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  876.436006][   T72]      netlink_rcv_skb+0x130/0x360
[  876.436006][   T72]      netlink_unicast+0x449/0x710
[  876.436006][   T72]      netlink_sendmsg+0x723/0xbe0
[  876.436006][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  876.436006][   T72]      ___sys_sendmsg+0xee/0x170
[  876.436006][   T72]      __sys_sendmsg+0xcd/0x170
[  876.436006][   T72]      do_syscall_64+0xc6/0x1e0
[  876.436006][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  876.436006][   T72] 
[  876.437853][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  876.438106][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  876.438106][   T72]      netdev_get_by_index+0x5e/0x80
[  876.438106][   T72]      fib6_nh_init+0x3d8/0x1580
[  876.438106][   T72]      ip6_route_info_create+0xf18/0x17d0
[  876.438106][   T72]      ip6_route_add+0x1c/0x140
[  876.438106][   T72]      addrconf_prefix_route+0x2a6/0x430
[  876.438106][   T72]      inet6_addr_add+0x4f8/0xa40
[  876.438106][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  876.438106][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  876.438106][   T72]      netlink_rcv_skb+0x130/0x360
[  876.438106][   T72]      netlink_unicast+0x449/0x710
[  876.438106][   T72]      netlink_sendmsg+0x723/0xbe0
[  876.438106][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  876.438106][   T72]      ___sys_sendmsg+0xee/0x170
[  876.438106][   T72]      __sys_sendmsg+0xcd/0x170
[  876.438106][   T72]      do_syscall_64+0xc6/0x1e0
[  876.438106][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  876.438106][   T72] 
[  876.440147][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  876.440147][   T72]      netdev_get_by_index+0x5e/0x80
[  876.440147][   T72]      fib6_nh_init+0x3d8/0x1580
[  876.440147][   T72]      ip6_route_info_create+0xf18/0x17d0
[  876.440147][   T72]      addrconf_f6i_alloc+0x315/0x560
[  876.440147][   T72]      ipv6_add_addr+0x411/0x2000
[  876.440147][   T72]      inet6_addr_add+0x30e/0xa40
[  876.440147][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  876.440147][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  876.440147][   T72]      netlink_rcv_skb+0x130/0x360
[  876.440147][   T72]      netlink_unicast+0x449/0x710
[  876.440147][   T72]      netlink_sendmsg+0x723/0xbe0
[  876.440147][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  876.440147][   T72]      ___sys_sendmsg+0xee/0x170
[  876.440147][   T72]      __sys_sendmsg+0xcd/0x170
[  876.440147][   T72]      do_syscall_64+0xc6/0x1e0
[  876.440147][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  876.440147][   T72] 
[  876.442211][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  876.442211][   T72]      netdev_get_by_index+0x5e/0x80
[  876.442211][   T72]      fib6_nh_init+0x3d8/0x1580
[  876.442211][   T72]      ip6_route_info_create+0xf18/0x17d0
[  876.442211][   T72]      ip6_route_add+0x1c/0x140
[  876.442211][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  876.442211][   T72]      addrconf_add_dev+0xe2/0x170
[  876.442211][   T72]      inet6_addr_add+0x12f/0xa40
[  876.442211][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  876.442211][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  876.442211][   T72]      netlink_rcv_skb+0x130/0x360
[  876.442211][   T72]      netlink_unicast+0x449/0x710
[  876.442211][   T72]      netlink_sendmsg+0x723/0xbe0
[  876.442211][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  876.442211][   T72]      ___sys_sendmsg+0xee/0x170
[  876.442211][   T72]      __sys_sendmsg+0xcd/0x170
[  876.442211][   T72]      do_syscall_64+0xc6/0x1e0
[  876.442211][   T72] 
[  876.444239][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  876.444239][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  876.444239][   T72]      ipv6_find_idev+0x102/0x170
[  876.444239][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  876.444239][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  876.444239][   T72]      netlink_rcv_skb+0x130/0x360
[  876.444239][   T72]      netlink_unicast+0x449/0x710
[  876.444239][   T72]      netlink_sendmsg+0x723/0xbe0
[  876.444239][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  876.444239][   T72]      ___sys_sendmsg+0xee/0x170
[  876.444239][   T72]      __sys_sendmsg+0xcd/0x170
[  876.444239][   T72]      do_syscall_64+0xc6/0x1e0
[  876.444239][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  876.444239][   T72] 
[  876.445808][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  876.445808][   T72]      neigh_parms_alloc+0x1e5/0x510
[  876.445808][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  876.445808][   T72]      ipv6_find_idev+0x102/0x170
[  876.445808][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  876.445808][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  876.445808][   T72]      netlink_rcv_skb+0x130/0x360
[  876.445808][   T72]      netlink_unicast+0x449/0x710
[  876.445808][   T72]      netlink_sendmsg+0x723/0xbe0
[  876.445808][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  876.445808][   T72]      ___sys_sendmsg+0xee/0x170
[  876.445808][   T72]      __sys_sendmsg+0xcd/0x170
[  876.445808][   T72]      do_syscall_64+0xc6/0x1e0
[  876.445808][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  876.445808][   T72] 
[  886.687847][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  886.688340][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  886.688340][   T72]      netdev_get_by_index+0x5e/0x80
[  886.688340][   T72]      fib6_nh_init+0x3d8/0x1580
[  886.688340][   T72]      ip6_route_info_create+0xf18/0x17d0
[  886.688340][   T72]      addrconf_f6i_alloc+0x315/0x560
[  886.688340][   T72]      ipv6_add_addr+0x411/0x2000
[  886.688340][   T72]      inet6_addr_add+0x30e/0xa40
[  886.688340][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  886.688340][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  886.688340][   T72]      netlink_rcv_skb+0x130/0x360
[  886.688340][   T72]      netlink_unicast+0x449/0x710
[  886.688340][   T72]      netlink_sendmsg+0x723/0xbe0
[  886.688340][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  886.688340][   T72]      ___sys_sendmsg+0xee/0x170
[  886.688340][   T72]      __sys_sendmsg+0xcd/0x170
[  886.688340][   T72]      do_syscall_64+0xc6/0x1e0
[  886.688340][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  886.688340][   T72] 
[  886.690419][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  886.690419][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  886.690419][   T72]      ipv6_find_idev+0x102/0x170
[  886.690419][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  886.690419][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  886.690419][   T72]      netlink_rcv_skb+0x130/0x360
[  886.690419][   T72]      netlink_unicast+0x449/0x710
[  886.690419][   T72]      netlink_sendmsg+0x723/0xbe0
[  886.690419][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  886.690419][   T72]      ___sys_sendmsg+0xee/0x170
[  886.690419][   T72]      __sys_sendmsg+0xcd/0x170
[  886.690419][   T72]      do_syscall_64+0xc6/0x1e0
[  886.690419][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  886.690419][   T72] 
[  886.692002][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  886.692002][   T72]      neigh_parms_alloc+0x1e5/0x510
[  886.692002][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  886.692002][   T72]      ipv6_find_idev+0x102/0x170
[  886.692002][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  886.692002][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  886.692002][   T72]      netlink_rcv_skb+0x130/0x360
[  886.692002][   T72]      netlink_unicast+0x449/0x710
[  886.692002][   T72]      netlink_sendmsg+0x723/0xbe0
[  886.692002][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  886.692002][   T72]      ___sys_sendmsg+0xee/0x170
[  886.692002][   T72]      __sys_sendmsg+0xcd/0x170
[  886.692002][   T72]      do_syscall_64+0xc6/0x1e0
[  886.692002][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  886.692002][   T72] 
[  886.693785][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  886.694044][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  886.694044][   T72]      netdev_get_by_index+0x5e/0x80
[  886.694044][   T72]      fib6_nh_init+0x3d8/0x1580
[  886.694044][   T72]      ip6_route_info_create+0xf18/0x17d0
[  886.694044][   T72]      ip6_route_add+0x1c/0x140
[  886.694044][   T72]      addrconf_prefix_route+0x2a6/0x430
[  886.694044][   T72]      inet6_addr_add+0x4f8/0xa40
[  886.694044][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  886.694044][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  886.694044][   T72]      netlink_rcv_skb+0x130/0x360
[  886.694044][   T72]      netlink_unicast+0x449/0x710
[  886.694044][   T72]      netlink_sendmsg+0x723/0xbe0
[  886.694044][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  886.694044][   T72]      ___sys_sendmsg+0xee/0x170
[  886.694044][   T72]      __sys_sendmsg+0xcd/0x170
[  886.694044][   T72]      do_syscall_64+0xc6/0x1e0
[  886.694044][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  886.694044][   T72] 
[  886.696103][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  886.696103][   T72]      netdev_get_by_index+0x5e/0x80
[  886.696103][   T72]      fib6_nh_init+0x3d8/0x1580
[  886.696103][   T72]      ip6_route_info_create+0xf18/0x17d0
[  886.696103][   T72]      addrconf_f6i_alloc+0x315/0x560
[  886.696103][   T72]      ipv6_add_addr+0x411/0x2000
[  886.696103][   T72]      inet6_addr_add+0x30e/0xa40
[  886.696103][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  886.696103][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  886.696103][   T72]      netlink_rcv_skb+0x130/0x360
[  886.696103][   T72]      netlink_unicast+0x449/0x710
[  886.696103][   T72]      netlink_sendmsg+0x723/0xbe0
[  886.696103][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  886.696103][   T72]      ___sys_sendmsg+0xee/0x170
[  886.696103][   T72]      __sys_sendmsg+0xcd/0x170
[  886.696103][   T72]      do_syscall_64+0xc6/0x1e0
[  886.696103][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  886.696103][   T72] 
[  886.698155][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  886.698155][   T72]      netdev_get_by_index+0x5e/0x80
[  886.698155][   T72]      fib6_nh_init+0x3d8/0x1580
[  886.698155][   T72]      ip6_route_info_create+0xf18/0x17d0
[  886.698155][   T72]      ip6_route_add+0x1c/0x140
[  886.698155][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  886.698155][   T72]      addrconf_add_dev+0xe2/0x170
[  886.698155][   T72]      inet6_addr_add+0x12f/0xa40
[  886.698155][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  886.698155][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  886.698155][   T72]      netlink_rcv_skb+0x130/0x360
[  886.698155][   T72]      netlink_unicast+0x449/0x710
[  886.698155][   T72]      netlink_sendmsg+0x723/0xbe0
[  886.698155][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  886.698155][   T72]      ___sys_sendmsg+0xee/0x170
[  886.698155][   T72]      __sys_sendmsg+0xcd/0x170
[  886.698155][   T72]      do_syscall_64+0xc6/0x1e0
[  886.698155][   T72] 
[  886.700158][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  886.700158][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  886.700158][   T72]      ipv6_find_idev+0x102/0x170
[  886.700158][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  886.700158][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  886.700158][   T72]      netlink_rcv_skb+0x130/0x360
[  886.700158][   T72]      netlink_unicast+0x449/0x710
[  886.700158][   T72]      netlink_sendmsg+0x723/0xbe0
[  886.700158][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  886.700158][   T72]      ___sys_sendmsg+0xee/0x170
[  886.700158][   T72]      __sys_sendmsg+0xcd/0x170
[  886.700158][   T72]      do_syscall_64+0xc6/0x1e0
[  886.700158][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  886.700158][   T72] 
[  886.701726][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  886.701726][   T72]      neigh_parms_alloc+0x1e5/0x510
[  886.701726][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  886.701726][   T72]      ipv6_find_idev+0x102/0x170
[  886.701726][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  886.701726][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  886.701726][   T72]      netlink_rcv_skb+0x130/0x360
[  886.701726][   T72]      netlink_unicast+0x449/0x710
[  886.701726][   T72]      netlink_sendmsg+0x723/0xbe0
[  886.701726][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  886.701726][   T72]      ___sys_sendmsg+0xee/0x170
[  886.701726][   T72]      __sys_sendmsg+0xcd/0x170
[  886.701726][   T72]      do_syscall_64+0xc6/0x1e0
[  886.701726][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  886.701726][   T72] 
[  896.943886][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  896.944383][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  896.944383][   T72]      netdev_get_by_index+0x5e/0x80
[  896.944383][   T72]      fib6_nh_init+0x3d8/0x1580
[  896.944383][   T72]      ip6_route_info_create+0xf18/0x17d0
[  896.944383][   T72]      addrconf_f6i_alloc+0x315/0x560
[  896.944383][   T72]      ipv6_add_addr+0x411/0x2000
[  896.944383][   T72]      inet6_addr_add+0x30e/0xa40
[  896.944383][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  896.944383][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  896.944383][   T72]      netlink_rcv_skb+0x130/0x360
[  896.944383][   T72]      netlink_unicast+0x449/0x710
[  896.944383][   T72]      netlink_sendmsg+0x723/0xbe0
[  896.944383][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  896.944383][   T72]      ___sys_sendmsg+0xee/0x170
[  896.944383][   T72]      __sys_sendmsg+0xcd/0x170
[  896.944383][   T72]      do_syscall_64+0xc6/0x1e0
[  896.944383][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  896.944383][   T72] 
[  896.946456][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  896.946456][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  896.946456][   T72]      ipv6_find_idev+0x102/0x170
[  896.946456][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  896.946456][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  896.946456][   T72]      netlink_rcv_skb+0x130/0x360
[  896.946456][   T72]      netlink_unicast+0x449/0x710
[  896.946456][   T72]      netlink_sendmsg+0x723/0xbe0
[  896.946456][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  896.946456][   T72]      ___sys_sendmsg+0xee/0x170
[  896.946456][   T72]      __sys_sendmsg+0xcd/0x170
[  896.946456][   T72]      do_syscall_64+0xc6/0x1e0
[  896.946456][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  896.946456][   T72] 
[  896.948074][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  896.948074][   T72]      neigh_parms_alloc+0x1e5/0x510
[  896.948074][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  896.948074][   T72]      ipv6_find_idev+0x102/0x170
[  896.948074][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  896.948074][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  896.948074][   T72]      netlink_rcv_skb+0x130/0x360
[  896.948074][   T72]      netlink_unicast+0x449/0x710
[  896.948074][   T72]      netlink_sendmsg+0x723/0xbe0
[  896.948074][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  896.948074][   T72]      ___sys_sendmsg+0xee/0x170
[  896.948074][   T72]      __sys_sendmsg+0xcd/0x170
[  896.948074][   T72]      do_syscall_64+0xc6/0x1e0
[  896.948074][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  896.948074][   T72] 
[  896.949812][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  896.950067][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  896.950067][   T72]      netdev_get_by_index+0x5e/0x80
[  896.950067][   T72]      fib6_nh_init+0x3d8/0x1580
[  896.950067][   T72]      ip6_route_info_create+0xf18/0x17d0
[  896.950067][   T72]      ip6_route_add+0x1c/0x140
[  896.950067][   T72]      addrconf_prefix_route+0x2a6/0x430
[  896.950067][   T72]      inet6_addr_add+0x4f8/0xa40
[  896.950067][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  896.950067][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  896.950067][   T72]      netlink_rcv_skb+0x130/0x360
[  896.950067][   T72]      netlink_unicast+0x449/0x710
[  896.950067][   T72]      netlink_sendmsg+0x723/0xbe0
[  896.950067][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  896.950067][   T72]      ___sys_sendmsg+0xee/0x170
[  896.950067][   T72]      __sys_sendmsg+0xcd/0x170
[  896.950067][   T72]      do_syscall_64+0xc6/0x1e0
[  896.950067][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  896.950067][   T72] 
[  896.952116][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  896.952116][   T72]      netdev_get_by_index+0x5e/0x80
[  896.952116][   T72]      fib6_nh_init+0x3d8/0x1580
[  896.952116][   T72]      ip6_route_info_create+0xf18/0x17d0
[  896.952116][   T72]      addrconf_f6i_alloc+0x315/0x560
[  896.952116][   T72]      ipv6_add_addr+0x411/0x2000
[  896.952116][   T72]      inet6_addr_add+0x30e/0xa40
[  896.952116][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  896.952116][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  896.952116][   T72]      netlink_rcv_skb+0x130/0x360
[  896.952116][   T72]      netlink_unicast+0x449/0x710
[  896.952116][   T72]      netlink_sendmsg+0x723/0xbe0
[  896.952116][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  896.952116][   T72]      ___sys_sendmsg+0xee/0x170
[  896.952116][   T72]      __sys_sendmsg+0xcd/0x170
[  896.952116][   T72]      do_syscall_64+0xc6/0x1e0
[  896.952116][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  896.952116][   T72] 
[  896.954160][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  896.954160][   T72]      netdev_get_by_index+0x5e/0x80
[  896.954160][   T72]      fib6_nh_init+0x3d8/0x1580
[  896.954160][   T72]      ip6_route_info_create+0xf18/0x17d0
[  896.954160][   T72]      ip6_route_add+0x1c/0x140
[  896.954160][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  896.954160][   T72]      addrconf_add_dev+0xe2/0x170
[  896.954160][   T72]      inet6_addr_add+0x12f/0xa40
[  896.954160][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  896.954160][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  896.954160][   T72]      netlink_rcv_skb+0x130/0x360
[  896.954160][   T72]      netlink_unicast+0x449/0x710
[  896.954160][   T72]      netlink_sendmsg+0x723/0xbe0
[  896.954160][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  896.954160][   T72]      ___sys_sendmsg+0xee/0x170
[  896.954160][   T72]      __sys_sendmsg+0xcd/0x170
[  896.954160][   T72]      do_syscall_64+0xc6/0x1e0
[  896.954160][   T72] 
[  896.956166][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  896.956166][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  896.956166][   T72]      ipv6_find_idev+0x102/0x170
[  896.956166][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  896.956166][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  896.956166][   T72]      netlink_rcv_skb+0x130/0x360
[  896.956166][   T72]      netlink_unicast+0x449/0x710
[  896.956166][   T72]      netlink_sendmsg+0x723/0xbe0
[  896.956166][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  896.956166][   T72]      ___sys_sendmsg+0xee/0x170
[  896.956166][   T72]      __sys_sendmsg+0xcd/0x170
[  896.956166][   T72]      do_syscall_64+0xc6/0x1e0
[  896.956166][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  896.956166][   T72] 
[  896.957747][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  896.957747][   T72]      neigh_parms_alloc+0x1e5/0x510
[  896.957747][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  896.957747][   T72]      ipv6_find_idev+0x102/0x170
[  896.957747][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  896.957747][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  896.957747][   T72]      netlink_rcv_skb+0x130/0x360
[  896.957747][   T72]      netlink_unicast+0x449/0x710
[  896.957747][   T72]      netlink_sendmsg+0x723/0xbe0
[  896.957747][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  896.957747][   T72]      ___sys_sendmsg+0xee/0x170
[  896.957747][   T72]      __sys_sendmsg+0xcd/0x170
[  896.957747][   T72]      do_syscall_64+0xc6/0x1e0
[  896.957747][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  896.957747][   T72] 
[  907.199884][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  907.200395][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  907.200395][   T72]      netdev_get_by_index+0x5e/0x80
[  907.200395][   T72]      fib6_nh_init+0x3d8/0x1580
[  907.200395][   T72]      ip6_route_info_create+0xf18/0x17d0
[  907.200395][   T72]      addrconf_f6i_alloc+0x315/0x560
[  907.200395][   T72]      ipv6_add_addr+0x411/0x2000
[  907.200395][   T72]      inet6_addr_add+0x30e/0xa40
[  907.200395][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  907.200395][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  907.200395][   T72]      netlink_rcv_skb+0x130/0x360
[  907.200395][   T72]      netlink_unicast+0x449/0x710
[  907.200395][   T72]      netlink_sendmsg+0x723/0xbe0
[  907.200395][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  907.200395][   T72]      ___sys_sendmsg+0xee/0x170
[  907.200395][   T72]      __sys_sendmsg+0xcd/0x170
[  907.200395][   T72]      do_syscall_64+0xc6/0x1e0
[  907.200395][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  907.200395][   T72] 
[  907.202467][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  907.202467][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  907.202467][   T72]      ipv6_find_idev+0x102/0x170
[  907.202467][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  907.202467][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  907.202467][   T72]      netlink_rcv_skb+0x130/0x360
[  907.202467][   T72]      netlink_unicast+0x449/0x710
[  907.202467][   T72]      netlink_sendmsg+0x723/0xbe0
[  907.202467][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  907.202467][   T72]      ___sys_sendmsg+0xee/0x170
[  907.202467][   T72]      __sys_sendmsg+0xcd/0x170
[  907.202467][   T72]      do_syscall_64+0xc6/0x1e0
[  907.202467][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  907.202467][   T72] 
[  907.204046][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  907.204046][   T72]      neigh_parms_alloc+0x1e5/0x510
[  907.204046][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  907.204046][   T72]      ipv6_find_idev+0x102/0x170
[  907.204046][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  907.204046][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  907.204046][   T72]      netlink_rcv_skb+0x130/0x360
[  907.204046][   T72]      netlink_unicast+0x449/0x710
[  907.204046][   T72]      netlink_sendmsg+0x723/0xbe0
[  907.204046][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  907.204046][   T72]      ___sys_sendmsg+0xee/0x170
[  907.204046][   T72]      __sys_sendmsg+0xcd/0x170
[  907.204046][   T72]      do_syscall_64+0xc6/0x1e0
[  907.204046][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  907.204046][   T72] 
[  907.205812][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  907.206070][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  907.206070][   T72]      netdev_get_by_index+0x5e/0x80
[  907.206070][   T72]      fib6_nh_init+0x3d8/0x1580
[  907.206070][   T72]      ip6_route_info_create+0xf18/0x17d0
[  907.206070][   T72]      ip6_route_add+0x1c/0x140
[  907.206070][   T72]      addrconf_prefix_route+0x2a6/0x430
[  907.206070][   T72]      inet6_addr_add+0x4f8/0xa40
[  907.206070][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  907.206070][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  907.206070][   T72]      netlink_rcv_skb+0x130/0x360
[  907.206070][   T72]      netlink_unicast+0x449/0x710
[  907.206070][   T72]      netlink_sendmsg+0x723/0xbe0
[  907.206070][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  907.206070][   T72]      ___sys_sendmsg+0xee/0x170
[  907.206070][   T72]      __sys_sendmsg+0xcd/0x170
[  907.206070][   T72]      do_syscall_64+0xc6/0x1e0
[  907.206070][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  907.206070][   T72] 
[  907.208126][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  907.208126][   T72]      netdev_get_by_index+0x5e/0x80
[  907.208126][   T72]      fib6_nh_init+0x3d8/0x1580
[  907.208126][   T72]      ip6_route_info_create+0xf18/0x17d0
[  907.208126][   T72]      addrconf_f6i_alloc+0x315/0x560
[  907.208126][   T72]      ipv6_add_addr+0x411/0x2000
[  907.208126][   T72]      inet6_addr_add+0x30e/0xa40
[  907.208126][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  907.208126][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  907.208126][   T72]      netlink_rcv_skb+0x130/0x360
[  907.208126][   T72]      netlink_unicast+0x449/0x710
[  907.208126][   T72]      netlink_sendmsg+0x723/0xbe0
[  907.208126][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  907.208126][   T72]      ___sys_sendmsg+0xee/0x170
[  907.208126][   T72]      __sys_sendmsg+0xcd/0x170
[  907.208126][   T72]      do_syscall_64+0xc6/0x1e0
[  907.208126][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  907.208126][   T72] 
[  907.210174][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  907.210174][   T72]      netdev_get_by_index+0x5e/0x80
[  907.210174][   T72]      fib6_nh_init+0x3d8/0x1580
[  907.210174][   T72]      ip6_route_info_create+0xf18/0x17d0
[  907.210174][   T72]      ip6_route_add+0x1c/0x140
[  907.210174][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  907.210174][   T72]      addrconf_add_dev+0xe2/0x170
[  907.210174][   T72]      inet6_addr_add+0x12f/0xa40
[  907.210174][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  907.210174][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  907.210174][   T72]      netlink_rcv_skb+0x130/0x360
[  907.210174][   T72]      netlink_unicast+0x449/0x710
[  907.210174][   T72]      netlink_sendmsg+0x723/0xbe0
[  907.210174][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  907.210174][   T72]      ___sys_sendmsg+0xee/0x170
[  907.210174][   T72]      __sys_sendmsg+0xcd/0x170
[  907.210174][   T72]      do_syscall_64+0xc6/0x1e0
[  907.210174][   T72] 
[  907.212185][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  907.212185][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  907.212185][   T72]      ipv6_find_idev+0x102/0x170
[  907.212185][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  907.212185][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  907.212185][   T72]      netlink_rcv_skb+0x130/0x360
[  907.212185][   T72]      netlink_unicast+0x449/0x710
[  907.212185][   T72]      netlink_sendmsg+0x723/0xbe0
[  907.212185][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  907.212185][   T72]      ___sys_sendmsg+0xee/0x170
[  907.212185][   T72]      __sys_sendmsg+0xcd/0x170
[  907.212185][   T72]      do_syscall_64+0xc6/0x1e0
[  907.212185][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  907.212185][   T72] 
[  907.213773][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  907.213773][   T72]      neigh_parms_alloc+0x1e5/0x510
[  907.213773][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  907.213773][   T72]      ipv6_find_idev+0x102/0x170
[  907.213773][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  907.213773][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  907.213773][   T72]      netlink_rcv_skb+0x130/0x360
[  907.213773][   T72]      netlink_unicast+0x449/0x710
[  907.213773][   T72]      netlink_sendmsg+0x723/0xbe0
[  907.213773][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  907.213773][   T72]      ___sys_sendmsg+0xee/0x170
[  907.213773][   T72]      __sys_sendmsg+0xcd/0x170
[  907.213773][   T72]      do_syscall_64+0xc6/0x1e0
[  907.213773][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  907.213773][   T72] 
[  917.455895][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  917.456391][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  917.456391][   T72]      netdev_get_by_index+0x5e/0x80
[  917.456391][   T72]      fib6_nh_init+0x3d8/0x1580
[  917.456391][   T72]      ip6_route_info_create+0xf18/0x17d0
[  917.456391][   T72]      addrconf_f6i_alloc+0x315/0x560
[  917.456391][   T72]      ipv6_add_addr+0x411/0x2000
[  917.456391][   T72]      inet6_addr_add+0x30e/0xa40
[  917.456391][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  917.456391][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  917.456391][   T72]      netlink_rcv_skb+0x130/0x360
[  917.456391][   T72]      netlink_unicast+0x449/0x710
[  917.456391][   T72]      netlink_sendmsg+0x723/0xbe0
[  917.456391][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  917.456391][   T72]      ___sys_sendmsg+0xee/0x170
[  917.456391][   T72]      __sys_sendmsg+0xcd/0x170
[  917.456391][   T72]      do_syscall_64+0xc6/0x1e0
[  917.456391][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  917.456391][   T72] 
[  917.458489][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  917.458489][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  917.458489][   T72]      ipv6_find_idev+0x102/0x170
[  917.458489][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  917.458489][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  917.458489][   T72]      netlink_rcv_skb+0x130/0x360
[  917.458489][   T72]      netlink_unicast+0x449/0x710
[  917.458489][   T72]      netlink_sendmsg+0x723/0xbe0
[  917.458489][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  917.458489][   T72]      ___sys_sendmsg+0xee/0x170
[  917.458489][   T72]      __sys_sendmsg+0xcd/0x170
[  917.458489][   T72]      do_syscall_64+0xc6/0x1e0
[  917.458489][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  917.458489][   T72] 
[  917.460069][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  917.460069][   T72]      neigh_parms_alloc+0x1e5/0x510
[  917.460069][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  917.460069][   T72]      ipv6_find_idev+0x102/0x170
[  917.460069][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  917.460069][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  917.460069][   T72]      netlink_rcv_skb+0x130/0x360
[  917.460069][   T72]      netlink_unicast+0x449/0x710
[  917.460069][   T72]      netlink_sendmsg+0x723/0xbe0
[  917.460069][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  917.460069][   T72]      ___sys_sendmsg+0xee/0x170
[  917.460069][   T72]      __sys_sendmsg+0xcd/0x170
[  917.460069][   T72]      do_syscall_64+0xc6/0x1e0
[  917.460069][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  917.460069][   T72] 
[  917.461816][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  917.462073][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  917.462073][   T72]      netdev_get_by_index+0x5e/0x80
[  917.462073][   T72]      fib6_nh_init+0x3d8/0x1580
[  917.462073][   T72]      ip6_route_info_create+0xf18/0x17d0
[  917.462073][   T72]      ip6_route_add+0x1c/0x140
[  917.462073][   T72]      addrconf_prefix_route+0x2a6/0x430
[  917.462073][   T72]      inet6_addr_add+0x4f8/0xa40
[  917.462073][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  917.462073][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  917.462073][   T72]      netlink_rcv_skb+0x130/0x360
[  917.462073][   T72]      netlink_unicast+0x449/0x710
[  917.462073][   T72]      netlink_sendmsg+0x723/0xbe0
[  917.462073][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  917.462073][   T72]      ___sys_sendmsg+0xee/0x170
[  917.462073][   T72]      __sys_sendmsg+0xcd/0x170
[  917.462073][   T72]      do_syscall_64+0xc6/0x1e0
[  917.462073][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  917.462073][   T72] 
[  917.464127][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  917.464127][   T72]      netdev_get_by_index+0x5e/0x80
[  917.464127][   T72]      fib6_nh_init+0x3d8/0x1580
[  917.464127][   T72]      ip6_route_info_create+0xf18/0x17d0
[  917.464127][   T72]      addrconf_f6i_alloc+0x315/0x560
[  917.464127][   T72]      ipv6_add_addr+0x411/0x2000
[  917.464127][   T72]      inet6_addr_add+0x30e/0xa40
[  917.464127][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  917.464127][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  917.464127][   T72]      netlink_rcv_skb+0x130/0x360
[  917.464127][   T72]      netlink_unicast+0x449/0x710
[  917.464127][   T72]      netlink_sendmsg+0x723/0xbe0
[  917.464127][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  917.464127][   T72]      ___sys_sendmsg+0xee/0x170
[  917.464127][   T72]      __sys_sendmsg+0xcd/0x170
[  917.464127][   T72]      do_syscall_64+0xc6/0x1e0
[  917.464127][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  917.464127][   T72] 
[  917.466186][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  917.466186][   T72]      netdev_get_by_index+0x5e/0x80
[  917.466186][   T72]      fib6_nh_init+0x3d8/0x1580
[  917.466186][   T72]      ip6_route_info_create+0xf18/0x17d0
[  917.466186][   T72]      ip6_route_add+0x1c/0x140
[  917.466186][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  917.466186][   T72]      addrconf_add_dev+0xe2/0x170
[  917.466186][   T72]      inet6_addr_add+0x12f/0xa40
[  917.466186][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  917.466186][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  917.466186][   T72]      netlink_rcv_skb+0x130/0x360
[  917.466186][   T72]      netlink_unicast+0x449/0x710
[  917.466186][   T72]      netlink_sendmsg+0x723/0xbe0
[  917.466186][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  917.466186][   T72]      ___sys_sendmsg+0xee/0x170
[  917.466186][   T72]      __sys_sendmsg+0xcd/0x170
[  917.466186][   T72]      do_syscall_64+0xc6/0x1e0
[  917.466186][   T72] 
[  917.468205][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  917.468205][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  917.468205][   T72]      ipv6_find_idev+0x102/0x170
[  917.468205][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  917.468205][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  917.468205][   T72]      netlink_rcv_skb+0x130/0x360
[  917.468205][   T72]      netlink_unicast+0x449/0x710
[  917.468205][   T72]      netlink_sendmsg+0x723/0xbe0
[  917.468205][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  917.468205][   T72]      ___sys_sendmsg+0xee/0x170
[  917.468205][   T72]      __sys_sendmsg+0xcd/0x170
[  917.468205][   T72]      do_syscall_64+0xc6/0x1e0
[  917.468205][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  917.468205][   T72] 
[  917.469770][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  917.469770][   T72]      neigh_parms_alloc+0x1e5/0x510
[  917.469770][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  917.469770][   T72]      ipv6_find_idev+0x102/0x170
[  917.469770][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  917.469770][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  917.469770][   T72]      netlink_rcv_skb+0x130/0x360
[  917.469770][   T72]      netlink_unicast+0x449/0x710
[  917.469770][   T72]      netlink_sendmsg+0x723/0xbe0
[  917.469770][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  917.469770][   T72]      ___sys_sendmsg+0xee/0x170
[  917.469770][   T72]      __sys_sendmsg+0xcd/0x170
[  917.469770][   T72]      do_syscall_64+0xc6/0x1e0
[  917.469770][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  917.469770][   T72] 
[  927.711890][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  927.712392][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  927.712392][   T72]      netdev_get_by_index+0x5e/0x80
[  927.712392][   T72]      fib6_nh_init+0x3d8/0x1580
[  927.712392][   T72]      ip6_route_info_create+0xf18/0x17d0
[  927.712392][   T72]      addrconf_f6i_alloc+0x315/0x560
[  927.712392][   T72]      ipv6_add_addr+0x411/0x2000
[  927.712392][   T72]      inet6_addr_add+0x30e/0xa40
[  927.712392][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  927.712392][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  927.712392][   T72]      netlink_rcv_skb+0x130/0x360
[  927.712392][   T72]      netlink_unicast+0x449/0x710
[  927.712392][   T72]      netlink_sendmsg+0x723/0xbe0
[  927.712392][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  927.712392][   T72]      ___sys_sendmsg+0xee/0x170
[  927.712392][   T72]      __sys_sendmsg+0xcd/0x170
[  927.712392][   T72]      do_syscall_64+0xc6/0x1e0
[  927.712392][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  927.712392][   T72] 
[  927.714477][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  927.714477][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  927.714477][   T72]      ipv6_find_idev+0x102/0x170
[  927.714477][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  927.714477][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  927.714477][   T72]      netlink_rcv_skb+0x130/0x360
[  927.714477][   T72]      netlink_unicast+0x449/0x710
[  927.714477][   T72]      netlink_sendmsg+0x723/0xbe0
[  927.714477][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  927.714477][   T72]      ___sys_sendmsg+0xee/0x170
[  927.714477][   T72]      __sys_sendmsg+0xcd/0x170
[  927.714477][   T72]      do_syscall_64+0xc6/0x1e0
[  927.714477][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  927.714477][   T72] 
[  927.716054][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  927.716054][   T72]      neigh_parms_alloc+0x1e5/0x510
[  927.716054][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  927.716054][   T72]      ipv6_find_idev+0x102/0x170
[  927.716054][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  927.716054][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  927.716054][   T72]      netlink_rcv_skb+0x130/0x360
[  927.716054][   T72]      netlink_unicast+0x449/0x710
[  927.716054][   T72]      netlink_sendmsg+0x723/0xbe0
[  927.716054][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  927.716054][   T72]      ___sys_sendmsg+0xee/0x170
[  927.716054][   T72]      __sys_sendmsg+0xcd/0x170
[  927.716054][   T72]      do_syscall_64+0xc6/0x1e0
[  927.716054][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  927.716054][   T72] 
[  927.717810][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  927.718066][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  927.718066][   T72]      netdev_get_by_index+0x5e/0x80
[  927.718066][   T72]      fib6_nh_init+0x3d8/0x1580
[  927.718066][   T72]      ip6_route_info_create+0xf18/0x17d0
[  927.718066][   T72]      ip6_route_add+0x1c/0x140
[  927.718066][   T72]      addrconf_prefix_route+0x2a6/0x430
[  927.718066][   T72]      inet6_addr_add+0x4f8/0xa40
[  927.718066][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  927.718066][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  927.718066][   T72]      netlink_rcv_skb+0x130/0x360
[  927.718066][   T72]      netlink_unicast+0x449/0x710
[  927.718066][   T72]      netlink_sendmsg+0x723/0xbe0
[  927.718066][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  927.718066][   T72]      ___sys_sendmsg+0xee/0x170
[  927.718066][   T72]      __sys_sendmsg+0xcd/0x170
[  927.718066][   T72]      do_syscall_64+0xc6/0x1e0
[  927.718066][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  927.718066][   T72] 
[  927.720120][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  927.720120][   T72]      netdev_get_by_index+0x5e/0x80
[  927.720120][   T72]      fib6_nh_init+0x3d8/0x1580
[  927.720120][   T72]      ip6_route_info_create+0xf18/0x17d0
[  927.720120][   T72]      addrconf_f6i_alloc+0x315/0x560
[  927.720120][   T72]      ipv6_add_addr+0x411/0x2000
[  927.720120][   T72]      inet6_addr_add+0x30e/0xa40
[  927.720120][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  927.720120][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  927.720120][   T72]      netlink_rcv_skb+0x130/0x360
[  927.720120][   T72]      netlink_unicast+0x449/0x710
[  927.720120][   T72]      netlink_sendmsg+0x723/0xbe0
[  927.720120][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  927.720120][   T72]      ___sys_sendmsg+0xee/0x170
[  927.720120][   T72]      __sys_sendmsg+0xcd/0x170
[  927.720120][   T72]      do_syscall_64+0xc6/0x1e0
[  927.720120][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  927.720120][   T72] 
[  927.722157][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  927.722157][   T72]      netdev_get_by_index+0x5e/0x80
[  927.722157][   T72]      fib6_nh_init+0x3d8/0x1580
[  927.722157][   T72]      ip6_route_info_create+0xf18/0x17d0
[  927.722157][   T72]      ip6_route_add+0x1c/0x140
[  927.722157][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  927.722157][   T72]      addrconf_add_dev+0xe2/0x170
[  927.722157][   T72]      inet6_addr_add+0x12f/0xa40
[  927.722157][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  927.722157][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  927.722157][   T72]      netlink_rcv_skb+0x130/0x360
[  927.722157][   T72]      netlink_unicast+0x449/0x710
[  927.722157][   T72]      netlink_sendmsg+0x723/0xbe0
[  927.722157][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  927.722157][   T72]      ___sys_sendmsg+0xee/0x170
[  927.722157][   T72]      __sys_sendmsg+0xcd/0x170
[  927.722157][   T72]      do_syscall_64+0xc6/0x1e0
[  927.722157][   T72] 
[  927.724154][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  927.724154][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  927.724154][   T72]      ipv6_find_idev+0x102/0x170
[  927.724154][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  927.724154][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  927.724154][   T72]      netlink_rcv_skb+0x130/0x360
[  927.724154][   T72]      netlink_unicast+0x449/0x710
[  927.724154][   T72]      netlink_sendmsg+0x723/0xbe0
[  927.724154][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  927.724154][   T72]      ___sys_sendmsg+0xee/0x170
[  927.724154][   T72]      __sys_sendmsg+0xcd/0x170
[  927.724154][   T72]      do_syscall_64+0xc6/0x1e0
[  927.724154][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  927.724154][   T72] 
[  927.725727][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  927.725727][   T72]      neigh_parms_alloc+0x1e5/0x510
[  927.725727][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  927.725727][   T72]      ipv6_find_idev+0x102/0x170
[  927.725727][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  927.725727][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  927.725727][   T72]      netlink_rcv_skb+0x130/0x360
[  927.725727][   T72]      netlink_unicast+0x449/0x710
[  927.725727][   T72]      netlink_sendmsg+0x723/0xbe0
[  927.725727][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  927.725727][   T72]      ___sys_sendmsg+0xee/0x170
[  927.725727][   T72]      __sys_sendmsg+0xcd/0x170
[  927.725727][   T72]      do_syscall_64+0xc6/0x1e0
[  927.725727][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  927.725727][   T72] 
[  937.967822][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  937.968297][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  937.968297][   T72]      netdev_get_by_index+0x5e/0x80
[  937.968297][   T72]      fib6_nh_init+0x3d8/0x1580
[  937.968297][   T72]      ip6_route_info_create+0xf18/0x17d0
[  937.968297][   T72]      addrconf_f6i_alloc+0x315/0x560
[  937.968297][   T72]      ipv6_add_addr+0x411/0x2000
[  937.968297][   T72]      inet6_addr_add+0x30e/0xa40
[  937.968297][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  937.968297][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  937.968297][   T72]      netlink_rcv_skb+0x130/0x360
[  937.968297][   T72]      netlink_unicast+0x449/0x710
[  937.968297][   T72]      netlink_sendmsg+0x723/0xbe0
[  937.968297][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  937.968297][   T72]      ___sys_sendmsg+0xee/0x170
[  937.968297][   T72]      __sys_sendmsg+0xcd/0x170
[  937.968297][   T72]      do_syscall_64+0xc6/0x1e0
[  937.968297][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  937.968297][   T72] 
[  937.970361][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  937.970361][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  937.970361][   T72]      ipv6_find_idev+0x102/0x170
[  937.970361][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  937.970361][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  937.970361][   T72]      netlink_rcv_skb+0x130/0x360
[  937.970361][   T72]      netlink_unicast+0x449/0x710
[  937.970361][   T72]      netlink_sendmsg+0x723/0xbe0
[  937.970361][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  937.970361][   T72]      ___sys_sendmsg+0xee/0x170
[  937.970361][   T72]      __sys_sendmsg+0xcd/0x170
[  937.970361][   T72]      do_syscall_64+0xc6/0x1e0
[  937.970361][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  937.970361][   T72] 
[  937.971921][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  937.971921][   T72]      neigh_parms_alloc+0x1e5/0x510
[  937.971921][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  937.971921][   T72]      ipv6_find_idev+0x102/0x170
[  937.971921][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  937.971921][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  937.971921][   T72]      netlink_rcv_skb+0x130/0x360
[  937.971921][   T72]      netlink_unicast+0x449/0x710
[  937.971921][   T72]      netlink_sendmsg+0x723/0xbe0
[  937.971921][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  937.971921][   T72]      ___sys_sendmsg+0xee/0x170
[  937.971921][   T72]      __sys_sendmsg+0xcd/0x170
[  937.971921][   T72]      do_syscall_64+0xc6/0x1e0
[  937.971921][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  937.971921][   T72] 
[  937.973651][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  937.973932][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  937.973932][   T72]      netdev_get_by_index+0x5e/0x80
[  937.973932][   T72]      fib6_nh_init+0x3d8/0x1580
[  937.973932][   T72]      ip6_route_info_create+0xf18/0x17d0
[  937.973932][   T72]      ip6_route_add+0x1c/0x140
[  937.973932][   T72]      addrconf_prefix_route+0x2a6/0x430
[  937.973932][   T72]      inet6_addr_add+0x4f8/0xa40
[  937.973932][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  937.973932][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  937.973932][   T72]      netlink_rcv_skb+0x130/0x360
[  937.973932][   T72]      netlink_unicast+0x449/0x710
[  937.973932][   T72]      netlink_sendmsg+0x723/0xbe0
[  937.973932][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  937.973932][   T72]      ___sys_sendmsg+0xee/0x170
[  937.973932][   T72]      __sys_sendmsg+0xcd/0x170
[  937.973932][   T72]      do_syscall_64+0xc6/0x1e0
[  937.973932][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  937.973932][   T72] 
[  937.975953][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  937.975953][   T72]      netdev_get_by_index+0x5e/0x80
[  937.975953][   T72]      fib6_nh_init+0x3d8/0x1580
[  937.975953][   T72]      ip6_route_info_create+0xf18/0x17d0
[  937.975953][   T72]      addrconf_f6i_alloc+0x315/0x560
[  937.975953][   T72]      ipv6_add_addr+0x411/0x2000
[  937.975953][   T72]      inet6_addr_add+0x30e/0xa40
[  937.975953][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  937.975953][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  937.975953][   T72]      netlink_rcv_skb+0x130/0x360
[  937.975953][   T72]      netlink_unicast+0x449/0x710
[  937.975953][   T72]      netlink_sendmsg+0x723/0xbe0
[  937.975953][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  937.975953][   T72]      ___sys_sendmsg+0xee/0x170
[  937.975953][   T72]      __sys_sendmsg+0xcd/0x170
[  937.975953][   T72]      do_syscall_64+0xc6/0x1e0
[  937.975953][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  937.975953][   T72] 
[  937.977985][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  937.977985][   T72]      netdev_get_by_index+0x5e/0x80
[  937.977985][   T72]      fib6_nh_init+0x3d8/0x1580
[  937.977985][   T72]      ip6_route_info_create+0xf18/0x17d0
[  937.977985][   T72]      ip6_route_add+0x1c/0x140
[  937.977985][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  937.977985][   T72]      addrconf_add_dev+0xe2/0x170
[  937.977985][   T72]      inet6_addr_add+0x12f/0xa40
[  937.977985][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  937.977985][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  937.977985][   T72]      netlink_rcv_skb+0x130/0x360
[  937.977985][   T72]      netlink_unicast+0x449/0x710
[  937.977985][   T72]      netlink_sendmsg+0x723/0xbe0
[  937.977985][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  937.977985][   T72]      ___sys_sendmsg+0xee/0x170
[  937.977985][   T72]      __sys_sendmsg+0xcd/0x170
[  937.977985][   T72]      do_syscall_64+0xc6/0x1e0
[  937.977985][   T72] 
[  937.979963][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  937.979963][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  937.979963][   T72]      ipv6_find_idev+0x102/0x170
[  937.979963][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  937.979963][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  937.979963][   T72]      netlink_rcv_skb+0x130/0x360
[  937.979963][   T72]      netlink_unicast+0x449/0x710
[  937.979963][   T72]      netlink_sendmsg+0x723/0xbe0
[  937.979963][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  937.979963][   T72]      ___sys_sendmsg+0xee/0x170
[  937.979963][   T72]      __sys_sendmsg+0xcd/0x170
[  937.979963][   T72]      do_syscall_64+0xc6/0x1e0
[  937.979963][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  937.979963][   T72] 
[  937.981510][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  937.981510][   T72]      neigh_parms_alloc+0x1e5/0x510
[  937.981510][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  937.981510][   T72]      ipv6_find_idev+0x102/0x170
[  937.981510][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  937.981510][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  937.981510][   T72]      netlink_rcv_skb+0x130/0x360
[  937.981510][   T72]      netlink_unicast+0x449/0x710
[  937.981510][   T72]      netlink_sendmsg+0x723/0xbe0
[  937.981510][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  937.981510][   T72]      ___sys_sendmsg+0xee/0x170
[  937.981510][   T72]      __sys_sendmsg+0xcd/0x170
[  937.981510][   T72]      do_syscall_64+0xc6/0x1e0
[  937.981510][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  937.981510][   T72] 
[  947.983900][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  947.984372][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  947.984372][   T72]      netdev_get_by_index+0x5e/0x80
[  947.984372][   T72]      fib6_nh_init+0x3d8/0x1580
[  947.984372][   T72]      ip6_route_info_create+0xf18/0x17d0
[  947.984372][   T72]      addrconf_f6i_alloc+0x315/0x560
[  947.984372][   T72]      ipv6_add_addr+0x411/0x2000
[  947.984372][   T72]      inet6_addr_add+0x30e/0xa40
[  947.984372][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  947.984372][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  947.984372][   T72]      netlink_rcv_skb+0x130/0x360
[  947.984372][   T72]      netlink_unicast+0x449/0x710
[  947.984372][   T72]      netlink_sendmsg+0x723/0xbe0
[  947.984372][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  947.984372][   T72]      ___sys_sendmsg+0xee/0x170
[  947.984372][   T72]      __sys_sendmsg+0xcd/0x170
[  947.984372][   T72]      do_syscall_64+0xc6/0x1e0
[  947.984372][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  947.984372][   T72] 
[  947.986427][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  947.986427][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  947.986427][   T72]      ipv6_find_idev+0x102/0x170
[  947.986427][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  947.986427][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  947.986427][   T72]      netlink_rcv_skb+0x130/0x360
[  947.986427][   T72]      netlink_unicast+0x449/0x710
[  947.986427][   T72]      netlink_sendmsg+0x723/0xbe0
[  947.986427][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  947.986427][   T72]      ___sys_sendmsg+0xee/0x170
[  947.986427][   T72]      __sys_sendmsg+0xcd/0x170
[  947.986427][   T72]      do_syscall_64+0xc6/0x1e0
[  947.986427][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  947.986427][   T72] 
[  947.987991][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  947.987991][   T72]      neigh_parms_alloc+0x1e5/0x510
[  947.987991][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  947.987991][   T72]      ipv6_find_idev+0x102/0x170
[  947.987991][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  947.987991][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  947.987991][   T72]      netlink_rcv_skb+0x130/0x360
[  947.987991][   T72]      netlink_unicast+0x449/0x710
[  947.987991][   T72]      netlink_sendmsg+0x723/0xbe0
[  947.987991][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  947.987991][   T72]      ___sys_sendmsg+0xee/0x170
[  947.987991][   T72]      __sys_sendmsg+0xcd/0x170
[  947.987991][   T72]      do_syscall_64+0xc6/0x1e0
[  947.987991][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  947.987991][   T72] 
[  947.989697][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  947.989959][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  947.989959][   T72]      netdev_get_by_index+0x5e/0x80
[  947.989959][   T72]      fib6_nh_init+0x3d8/0x1580
[  947.989959][   T72]      ip6_route_info_create+0xf18/0x17d0
[  947.989959][   T72]      ip6_route_add+0x1c/0x140
[  947.989959][   T72]      addrconf_prefix_route+0x2a6/0x430
[  947.989959][   T72]      inet6_addr_add+0x4f8/0xa40
[  947.989959][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  947.989959][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  947.989959][   T72]      netlink_rcv_skb+0x130/0x360
[  947.989959][   T72]      netlink_unicast+0x449/0x710
[  947.989959][   T72]      netlink_sendmsg+0x723/0xbe0
[  947.989959][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  947.989959][   T72]      ___sys_sendmsg+0xee/0x170
[  947.989959][   T72]      __sys_sendmsg+0xcd/0x170
[  947.989959][   T72]      do_syscall_64+0xc6/0x1e0
[  947.989959][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  947.989959][   T72] 
[  947.991978][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  947.991978][   T72]      netdev_get_by_index+0x5e/0x80
[  947.991978][   T72]      fib6_nh_init+0x3d8/0x1580
[  947.991978][   T72]      ip6_route_info_create+0xf18/0x17d0
[  947.991978][   T72]      addrconf_f6i_alloc+0x315/0x560
[  947.991978][   T72]      ipv6_add_addr+0x411/0x2000
[  947.991978][   T72]      inet6_addr_add+0x30e/0xa40
[  947.991978][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  947.991978][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  947.991978][   T72]      netlink_rcv_skb+0x130/0x360
[  947.991978][   T72]      netlink_unicast+0x449/0x710
[  947.991978][   T72]      netlink_sendmsg+0x723/0xbe0
[  947.991978][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  947.991978][   T72]      ___sys_sendmsg+0xee/0x170
[  947.991978][   T72]      __sys_sendmsg+0xcd/0x170
[  947.991978][   T72]      do_syscall_64+0xc6/0x1e0
[  947.991978][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  947.991978][   T72] 
[  947.993996][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  947.993996][   T72]      netdev_get_by_index+0x5e/0x80
[  947.993996][   T72]      fib6_nh_init+0x3d8/0x1580
[  947.993996][   T72]      ip6_route_info_create+0xf18/0x17d0
[  947.993996][   T72]      ip6_route_add+0x1c/0x140
[  947.993996][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  947.993996][   T72]      addrconf_add_dev+0xe2/0x170
[  947.993996][   T72]      inet6_addr_add+0x12f/0xa40
[  947.993996][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  947.993996][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  947.993996][   T72]      netlink_rcv_skb+0x130/0x360
[  947.993996][   T72]      netlink_unicast+0x449/0x710
[  947.993996][   T72]      netlink_sendmsg+0x723/0xbe0
[  947.993996][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  947.993996][   T72]      ___sys_sendmsg+0xee/0x170
[  947.993996][   T72]      __sys_sendmsg+0xcd/0x170
[  947.993996][   T72]      do_syscall_64+0xc6/0x1e0
[  947.993996][   T72] 
[  947.996002][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  947.996002][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  947.996002][   T72]      ipv6_find_idev+0x102/0x170
[  947.996002][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  947.996002][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  947.996002][   T72]      netlink_rcv_skb+0x130/0x360
[  947.996002][   T72]      netlink_unicast+0x449/0x710
[  947.996002][   T72]      netlink_sendmsg+0x723/0xbe0
[  947.996002][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  947.996002][   T72]      ___sys_sendmsg+0xee/0x170
[  947.996002][   T72]      __sys_sendmsg+0xcd/0x170
[  947.996002][   T72]      do_syscall_64+0xc6/0x1e0
[  947.996002][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  947.996002][   T72] 
[  947.997554][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  947.997554][   T72]      neigh_parms_alloc+0x1e5/0x510
[  947.997554][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  947.997554][   T72]      ipv6_find_idev+0x102/0x170
[  947.997554][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  947.997554][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  947.997554][   T72]      netlink_rcv_skb+0x130/0x360
[  947.997554][   T72]      netlink_unicast+0x449/0x710
[  947.997554][   T72]      netlink_sendmsg+0x723/0xbe0
[  947.997554][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  947.997554][   T72]      ___sys_sendmsg+0xee/0x170
[  947.997554][   T72]      __sys_sendmsg+0xcd/0x170
[  947.997554][   T72]      do_syscall_64+0xc6/0x1e0
[  947.997554][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  947.997554][   T72] 
[  958.039888][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  958.040339][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  958.040339][   T72]      netdev_get_by_index+0x5e/0x80
[  958.040339][   T72]      fib6_nh_init+0x3d8/0x1580
[  958.040339][   T72]      ip6_route_info_create+0xf18/0x17d0
[  958.040339][   T72]      addrconf_f6i_alloc+0x315/0x560
[  958.040339][   T72]      ipv6_add_addr+0x411/0x2000
[  958.040339][   T72]      inet6_addr_add+0x30e/0xa40
[  958.040339][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  958.040339][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  958.040339][   T72]      netlink_rcv_skb+0x130/0x360
[  958.040339][   T72]      netlink_unicast+0x449/0x710
[  958.040339][   T72]      netlink_sendmsg+0x723/0xbe0
[  958.040339][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  958.040339][   T72]      ___sys_sendmsg+0xee/0x170
[  958.040339][   T72]      __sys_sendmsg+0xcd/0x170
[  958.040339][   T72]      do_syscall_64+0xc6/0x1e0
[  958.040339][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  958.040339][   T72] 
[  958.042397][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  958.042397][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  958.042397][   T72]      ipv6_find_idev+0x102/0x170
[  958.042397][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  958.042397][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  958.042397][   T72]      netlink_rcv_skb+0x130/0x360
[  958.042397][   T72]      netlink_unicast+0x449/0x710
[  958.042397][   T72]      netlink_sendmsg+0x723/0xbe0
[  958.042397][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  958.042397][   T72]      ___sys_sendmsg+0xee/0x170
[  958.042397][   T72]      __sys_sendmsg+0xcd/0x170
[  958.042397][   T72]      do_syscall_64+0xc6/0x1e0
[  958.042397][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  958.042397][   T72] 
[  958.043947][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  958.043947][   T72]      neigh_parms_alloc+0x1e5/0x510
[  958.043947][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  958.043947][   T72]      ipv6_find_idev+0x102/0x170
[  958.043947][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  958.043947][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  958.043947][   T72]      netlink_rcv_skb+0x130/0x360
[  958.043947][   T72]      netlink_unicast+0x449/0x710
[  958.043947][   T72]      netlink_sendmsg+0x723/0xbe0
[  958.043947][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  958.043947][   T72]      ___sys_sendmsg+0xee/0x170
[  958.043947][   T72]      __sys_sendmsg+0xcd/0x170
[  958.043947][   T72]      do_syscall_64+0xc6/0x1e0
[  958.043947][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  958.043947][   T72] 
[  958.045663][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  958.045935][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  958.045935][   T72]      netdev_get_by_index+0x5e/0x80
[  958.045935][   T72]      fib6_nh_init+0x3d8/0x1580
[  958.045935][   T72]      ip6_route_info_create+0xf18/0x17d0
[  958.045935][   T72]      ip6_route_add+0x1c/0x140
[  958.045935][   T72]      addrconf_prefix_route+0x2a6/0x430
[  958.045935][   T72]      inet6_addr_add+0x4f8/0xa40
[  958.045935][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  958.045935][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  958.045935][   T72]      netlink_rcv_skb+0x130/0x360
[  958.045935][   T72]      netlink_unicast+0x449/0x710
[  958.045935][   T72]      netlink_sendmsg+0x723/0xbe0
[  958.045935][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  958.045935][   T72]      ___sys_sendmsg+0xee/0x170
[  958.045935][   T72]      __sys_sendmsg+0xcd/0x170
[  958.045935][   T72]      do_syscall_64+0xc6/0x1e0
[  958.045935][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  958.045935][   T72] 
[  958.047998][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  958.047998][   T72]      netdev_get_by_index+0x5e/0x80
[  958.047998][   T72]      fib6_nh_init+0x3d8/0x1580
[  958.047998][   T72]      ip6_route_info_create+0xf18/0x17d0
[  958.047998][   T72]      addrconf_f6i_alloc+0x315/0x560
[  958.047998][   T72]      ipv6_add_addr+0x411/0x2000
[  958.047998][   T72]      inet6_addr_add+0x30e/0xa40
[  958.047998][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  958.047998][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  958.047998][   T72]      netlink_rcv_skb+0x130/0x360
[  958.047998][   T72]      netlink_unicast+0x449/0x710
[  958.047998][   T72]      netlink_sendmsg+0x723/0xbe0
[  958.047998][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  958.047998][   T72]      ___sys_sendmsg+0xee/0x170
[  958.047998][   T72]      __sys_sendmsg+0xcd/0x170
[  958.047998][   T72]      do_syscall_64+0xc6/0x1e0
[  958.047998][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  958.047998][   T72] 
[  958.050017][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  958.050017][   T72]      netdev_get_by_index+0x5e/0x80
[  958.050017][   T72]      fib6_nh_init+0x3d8/0x1580
[  958.050017][   T72]      ip6_route_info_create+0xf18/0x17d0
[  958.050017][   T72]      ip6_route_add+0x1c/0x140
[  958.050017][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  958.050017][   T72]      addrconf_add_dev+0xe2/0x170
[  958.050017][   T72]      inet6_addr_add+0x12f/0xa40
[  958.050017][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  958.050017][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  958.050017][   T72]      netlink_rcv_skb+0x130/0x360
[  958.050017][   T72]      netlink_unicast+0x449/0x710
[  958.050017][   T72]      netlink_sendmsg+0x723/0xbe0
[  958.050017][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  958.050017][   T72]      ___sys_sendmsg+0xee/0x170
[  958.050017][   T72]      __sys_sendmsg+0xcd/0x170
[  958.050017][   T72]      do_syscall_64+0xc6/0x1e0
[  958.050017][   T72] 
[  958.052001][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  958.052001][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  958.052001][   T72]      ipv6_find_idev+0x102/0x170
[  958.052001][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  958.052001][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  958.052001][   T72]      netlink_rcv_skb+0x130/0x360
[  958.052001][   T72]      netlink_unicast+0x449/0x710
[  958.052001][   T72]      netlink_sendmsg+0x723/0xbe0
[  958.052001][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  958.052001][   T72]      ___sys_sendmsg+0xee/0x170
[  958.052001][   T72]      __sys_sendmsg+0xcd/0x170
[  958.052001][   T72]      do_syscall_64+0xc6/0x1e0
[  958.052001][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  958.052001][   T72] 
[  958.053559][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  958.053559][   T72]      neigh_parms_alloc+0x1e5/0x510
[  958.053559][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  958.053559][   T72]      ipv6_find_idev+0x102/0x170
[  958.053559][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  958.053559][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  958.053559][   T72]      netlink_rcv_skb+0x130/0x360
[  958.053559][   T72]      netlink_unicast+0x449/0x710
[  958.053559][   T72]      netlink_sendmsg+0x723/0xbe0
[  958.053559][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  958.053559][   T72]      ___sys_sendmsg+0xee/0x170
[  958.053559][   T72]      __sys_sendmsg+0xcd/0x170
[  958.053559][   T72]      do_syscall_64+0xc6/0x1e0
[  958.053559][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  958.053559][   T72] 
[  968.111934][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  968.112405][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  968.112405][   T72]      netdev_get_by_index+0x5e/0x80
[  968.112405][   T72]      fib6_nh_init+0x3d8/0x1580
[  968.112405][   T72]      ip6_route_info_create+0xf18/0x17d0
[  968.112405][   T72]      addrconf_f6i_alloc+0x315/0x560
[  968.112405][   T72]      ipv6_add_addr+0x411/0x2000
[  968.112405][   T72]      inet6_addr_add+0x30e/0xa40
[  968.112405][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  968.112405][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  968.112405][   T72]      netlink_rcv_skb+0x130/0x360
[  968.112405][   T72]      netlink_unicast+0x449/0x710
[  968.112405][   T72]      netlink_sendmsg+0x723/0xbe0
[  968.112405][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  968.112405][   T72]      ___sys_sendmsg+0xee/0x170
[  968.112405][   T72]      __sys_sendmsg+0xcd/0x170
[  968.112405][   T72]      do_syscall_64+0xc6/0x1e0
[  968.112405][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  968.112405][   T72] 
[  968.114453][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  968.114453][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  968.114453][   T72]      ipv6_find_idev+0x102/0x170
[  968.114453][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  968.114453][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  968.114453][   T72]      netlink_rcv_skb+0x130/0x360
[  968.114453][   T72]      netlink_unicast+0x449/0x710
[  968.114453][   T72]      netlink_sendmsg+0x723/0xbe0
[  968.114453][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  968.114453][   T72]      ___sys_sendmsg+0xee/0x170
[  968.114453][   T72]      __sys_sendmsg+0xcd/0x170
[  968.114453][   T72]      do_syscall_64+0xc6/0x1e0
[  968.114453][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  968.114453][   T72] 
[  968.116006][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  968.116006][   T72]      neigh_parms_alloc+0x1e5/0x510
[  968.116006][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  968.116006][   T72]      ipv6_find_idev+0x102/0x170
[  968.116006][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  968.116006][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  968.116006][   T72]      netlink_rcv_skb+0x130/0x360
[  968.116006][   T72]      netlink_unicast+0x449/0x710
[  968.116006][   T72]      netlink_sendmsg+0x723/0xbe0
[  968.116006][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  968.116006][   T72]      ___sys_sendmsg+0xee/0x170
[  968.116006][   T72]      __sys_sendmsg+0xcd/0x170
[  968.116006][   T72]      do_syscall_64+0xc6/0x1e0
[  968.116006][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  968.116006][   T72] 
[  968.117724][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  968.117992][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  968.117992][   T72]      netdev_get_by_index+0x5e/0x80
[  968.117992][   T72]      fib6_nh_init+0x3d8/0x1580
[  968.117992][   T72]      ip6_route_info_create+0xf18/0x17d0
[  968.117992][   T72]      ip6_route_add+0x1c/0x140
[  968.117992][   T72]      addrconf_prefix_route+0x2a6/0x430
[  968.117992][   T72]      inet6_addr_add+0x4f8/0xa40
[  968.117992][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  968.117992][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  968.117992][   T72]      netlink_rcv_skb+0x130/0x360
[  968.117992][   T72]      netlink_unicast+0x449/0x710
[  968.117992][   T72]      netlink_sendmsg+0x723/0xbe0
[  968.117992][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  968.117992][   T72]      ___sys_sendmsg+0xee/0x170
[  968.117992][   T72]      __sys_sendmsg+0xcd/0x170
[  968.117992][   T72]      do_syscall_64+0xc6/0x1e0
[  968.117992][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  968.117992][   T72] 
[  968.120006][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  968.120006][   T72]      netdev_get_by_index+0x5e/0x80
[  968.120006][   T72]      fib6_nh_init+0x3d8/0x1580
[  968.120006][   T72]      ip6_route_info_create+0xf18/0x17d0
[  968.120006][   T72]      addrconf_f6i_alloc+0x315/0x560
[  968.120006][   T72]      ipv6_add_addr+0x411/0x2000
[  968.120006][   T72]      inet6_addr_add+0x30e/0xa40
[  968.120006][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  968.120006][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  968.120006][   T72]      netlink_rcv_skb+0x130/0x360
[  968.120006][   T72]      netlink_unicast+0x449/0x710
[  968.120006][   T72]      netlink_sendmsg+0x723/0xbe0
[  968.120006][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  968.120006][   T72]      ___sys_sendmsg+0xee/0x170
[  968.120006][   T72]      __sys_sendmsg+0xcd/0x170
[  968.120006][   T72]      do_syscall_64+0xc6/0x1e0
[  968.120006][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  968.120006][   T72] 
[  968.122033][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  968.122033][   T72]      netdev_get_by_index+0x5e/0x80
[  968.122033][   T72]      fib6_nh_init+0x3d8/0x1580
[  968.122033][   T72]      ip6_route_info_create+0xf18/0x17d0
[  968.122033][   T72]      ip6_route_add+0x1c/0x140
[  968.122033][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  968.122033][   T72]      addrconf_add_dev+0xe2/0x170
[  968.122033][   T72]      inet6_addr_add+0x12f/0xa40
[  968.122033][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  968.122033][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  968.122033][   T72]      netlink_rcv_skb+0x130/0x360
[  968.122033][   T72]      netlink_unicast+0x449/0x710
[  968.122033][   T72]      netlink_sendmsg+0x723/0xbe0
[  968.122033][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  968.122033][   T72]      ___sys_sendmsg+0xee/0x170
[  968.122033][   T72]      __sys_sendmsg+0xcd/0x170
[  968.122033][   T72]      do_syscall_64+0xc6/0x1e0
[  968.122033][   T72] 
[  968.124008][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  968.124008][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  968.124008][   T72]      ipv6_find_idev+0x102/0x170
[  968.124008][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  968.124008][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  968.124008][   T72]      netlink_rcv_skb+0x130/0x360
[  968.124008][   T72]      netlink_unicast+0x449/0x710
[  968.124008][   T72]      netlink_sendmsg+0x723/0xbe0
[  968.124008][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  968.124008][   T72]      ___sys_sendmsg+0xee/0x170
[  968.124008][   T72]      __sys_sendmsg+0xcd/0x170
[  968.124008][   T72]      do_syscall_64+0xc6/0x1e0
[  968.124008][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  968.124008][   T72] 
[  968.125559][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  968.125559][   T72]      neigh_parms_alloc+0x1e5/0x510
[  968.125559][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  968.125559][   T72]      ipv6_find_idev+0x102/0x170
[  968.125559][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  968.125559][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  968.125559][   T72]      netlink_rcv_skb+0x130/0x360
[  968.125559][   T72]      netlink_unicast+0x449/0x710
[  968.125559][   T72]      netlink_sendmsg+0x723/0xbe0
[  968.125559][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  968.125559][   T72]      ___sys_sendmsg+0xee/0x170
[  968.125559][   T72]      __sys_sendmsg+0xcd/0x170
[  968.125559][   T72]      do_syscall_64+0xc6/0x1e0
[  968.125559][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  968.125559][   T72] 
[  978.367900][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  978.368360][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  978.368360][   T72]      netdev_get_by_index+0x5e/0x80
[  978.368360][   T72]      fib6_nh_init+0x3d8/0x1580
[  978.368360][   T72]      ip6_route_info_create+0xf18/0x17d0
[  978.368360][   T72]      addrconf_f6i_alloc+0x315/0x560
[  978.368360][   T72]      ipv6_add_addr+0x411/0x2000
[  978.368360][   T72]      inet6_addr_add+0x30e/0xa40
[  978.368360][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  978.368360][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  978.368360][   T72]      netlink_rcv_skb+0x130/0x360
[  978.368360][   T72]      netlink_unicast+0x449/0x710
[  978.368360][   T72]      netlink_sendmsg+0x723/0xbe0
[  978.368360][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  978.368360][   T72]      ___sys_sendmsg+0xee/0x170
[  978.368360][   T72]      __sys_sendmsg+0xcd/0x170
[  978.368360][   T72]      do_syscall_64+0xc6/0x1e0
[  978.368360][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  978.368360][   T72] 
[  978.370416][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  978.370416][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  978.370416][   T72]      ipv6_find_idev+0x102/0x170
[  978.370416][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  978.370416][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  978.370416][   T72]      netlink_rcv_skb+0x130/0x360
[  978.370416][   T72]      netlink_unicast+0x449/0x710
[  978.370416][   T72]      netlink_sendmsg+0x723/0xbe0
[  978.370416][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  978.370416][   T72]      ___sys_sendmsg+0xee/0x170
[  978.370416][   T72]      __sys_sendmsg+0xcd/0x170
[  978.370416][   T72]      do_syscall_64+0xc6/0x1e0
[  978.370416][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  978.370416][   T72] 
[  978.372027][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  978.372027][   T72]      neigh_parms_alloc+0x1e5/0x510
[  978.372027][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  978.372027][   T72]      ipv6_find_idev+0x102/0x170
[  978.372027][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  978.372027][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  978.372027][   T72]      netlink_rcv_skb+0x130/0x360
[  978.372027][   T72]      netlink_unicast+0x449/0x710
[  978.372027][   T72]      netlink_sendmsg+0x723/0xbe0
[  978.372027][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  978.372027][   T72]      ___sys_sendmsg+0xee/0x170
[  978.372027][   T72]      __sys_sendmsg+0xcd/0x170
[  978.372027][   T72]      do_syscall_64+0xc6/0x1e0
[  978.372027][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  978.372027][   T72] 
[  978.373742][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  978.374005][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  978.374005][   T72]      netdev_get_by_index+0x5e/0x80
[  978.374005][   T72]      fib6_nh_init+0x3d8/0x1580
[  978.374005][   T72]      ip6_route_info_create+0xf18/0x17d0
[  978.374005][   T72]      ip6_route_add+0x1c/0x140
[  978.374005][   T72]      addrconf_prefix_route+0x2a6/0x430
[  978.374005][   T72]      inet6_addr_add+0x4f8/0xa40
[  978.374005][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  978.374005][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  978.374005][   T72]      netlink_rcv_skb+0x130/0x360
[  978.374005][   T72]      netlink_unicast+0x449/0x710
[  978.374005][   T72]      netlink_sendmsg+0x723/0xbe0
[  978.374005][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  978.374005][   T72]      ___sys_sendmsg+0xee/0x170
[  978.374005][   T72]      __sys_sendmsg+0xcd/0x170
[  978.374005][   T72]      do_syscall_64+0xc6/0x1e0
[  978.374005][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  978.374005][   T72] 
[  978.376027][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  978.376027][   T72]      netdev_get_by_index+0x5e/0x80
[  978.376027][   T72]      fib6_nh_init+0x3d8/0x1580
[  978.376027][   T72]      ip6_route_info_create+0xf18/0x17d0
[  978.376027][   T72]      addrconf_f6i_alloc+0x315/0x560
[  978.376027][   T72]      ipv6_add_addr+0x411/0x2000
[  978.376027][   T72]      inet6_addr_add+0x30e/0xa40
[  978.376027][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  978.376027][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  978.376027][   T72]      netlink_rcv_skb+0x130/0x360
[  978.376027][   T72]      netlink_unicast+0x449/0x710
[  978.376027][   T72]      netlink_sendmsg+0x723/0xbe0
[  978.376027][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  978.376027][   T72]      ___sys_sendmsg+0xee/0x170
[  978.376027][   T72]      __sys_sendmsg+0xcd/0x170
[  978.376027][   T72]      do_syscall_64+0xc6/0x1e0
[  978.376027][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  978.376027][   T72] 
[  978.378048][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  978.378048][   T72]      netdev_get_by_index+0x5e/0x80
[  978.378048][   T72]      fib6_nh_init+0x3d8/0x1580
[  978.378048][   T72]      ip6_route_info_create+0xf18/0x17d0
[  978.378048][   T72]      ip6_route_add+0x1c/0x140
[  978.378048][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  978.378048][   T72]      addrconf_add_dev+0xe2/0x170
[  978.378048][   T72]      inet6_addr_add+0x12f/0xa40
[  978.378048][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  978.378048][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  978.378048][   T72]      netlink_rcv_skb+0x130/0x360
[  978.378048][   T72]      netlink_unicast+0x449/0x710
[  978.378048][   T72]      netlink_sendmsg+0x723/0xbe0
[  978.378048][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  978.378048][   T72]      ___sys_sendmsg+0xee/0x170
[  978.378048][   T72]      __sys_sendmsg+0xcd/0x170
[  978.378048][   T72]      do_syscall_64+0xc6/0x1e0
[  978.378048][   T72] 
[  978.380031][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  978.380031][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  978.380031][   T72]      ipv6_find_idev+0x102/0x170
[  978.380031][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  978.380031][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  978.380031][   T72]      netlink_rcv_skb+0x130/0x360
[  978.380031][   T72]      netlink_unicast+0x449/0x710
[  978.380031][   T72]      netlink_sendmsg+0x723/0xbe0
[  978.380031][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  978.380031][   T72]      ___sys_sendmsg+0xee/0x170
[  978.380031][   T72]      __sys_sendmsg+0xcd/0x170
[  978.380031][   T72]      do_syscall_64+0xc6/0x1e0
[  978.380031][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  978.380031][   T72] 
[  978.381856][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  978.381856][   T72]      neigh_parms_alloc+0x1e5/0x510
[  978.381856][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  978.381856][   T72]      ipv6_find_idev+0x102/0x170
[  978.381856][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  978.381856][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  978.381856][   T72]      netlink_rcv_skb+0x130/0x360
[  978.381856][   T72]      netlink_unicast+0x449/0x710
[  978.381856][   T72]      netlink_sendmsg+0x723/0xbe0
[  978.381856][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  978.381856][   T72]      ___sys_sendmsg+0xee/0x170
[  978.381856][   T72]      __sys_sendmsg+0xcd/0x170
[  978.381856][   T72]      do_syscall_64+0xc6/0x1e0
[  978.381856][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  978.381856][   T72] 
[  984.359905][   T42] INFO: task modprobe:456 blocked for more than 860 seconds.
[  984.360280][   T42]       Not tainted 6.8.0-virtme #1
[  984.360401][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  984.360620][   T42] task:modprobe        state:D stack:25648 pid:456   tgid:456   ppid:39     flags:0x00004002
[  984.360918][   T42] Call Trace:
[  984.361016][   T42]  <TASK>
[  984.361090][   T42]  __schedule+0x705/0x1ac0
[  984.361231][   T42]  ? __pfx___schedule+0x10/0x10
[  984.361358][   T42]  ? schedule+0x1a5/0x210
[  984.361462][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  984.361595][   T42]  ? mark_lock+0x38/0x3e0
[  984.361693][   T42]  ? do_raw_spin_lock+0x131/0x270
[  984.361840][   T42]  ? schedule+0x1a5/0x210
[  984.361944][   T42]  schedule+0xdf/0x210
[  984.362041][   T42]  schedule_preempt_disabled+0x15/0x30
[  984.362166][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[  984.362318][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[  984.362475][   T42]  ? kasan_save_stack+0x34/0x50
[  984.362602][   T42]  ? kasan_save_stack+0x24/0x50
[  984.362731][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  984.362872][   T42]  ? lock_acquire+0x1c1/0x220
[  984.362997][   T42]  ? register_pernet_subsys+0x1a/0x50
[  984.363137][   T42]  down_write+0x1c9/0x200
[  984.363234][   T42]  ? __pfx_down_write+0x10/0x10
[  984.363358][   T42]  ? __pfx___lock_release+0x10/0x10
[  984.363495][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[  984.363692][   T42]  register_pernet_subsys+0x1a/0x50
[  984.363830][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[  984.364017][   T42]  do_one_initcall+0xc8/0x3f0
[  984.364145][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[  984.364276][   T42]  ? __create_object+0x5e/0xb0
[  984.364404][   T42]  ? kasan_unpoison+0x27/0x60
[  984.364535][   T42]  do_init_module+0x233/0x740
[  984.364671][   T42]  load_module+0x16b5/0x2350
[  984.364832][   T42]  ? __pfx_load_module+0x10/0x10
[  984.364964][   T42]  ? kernel_read_file+0x3d2/0x520
[  984.365093][   T42]  ? kernel_read_file+0x300/0x520
[  984.365222][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[  984.365470][   T42]  ? init_module_from_file+0xd2/0x130
[  984.365596][   T42]  init_module_from_file+0xd2/0x130
[  984.365720][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[  984.365888][   T42]  ? __lock_release+0x103/0x460
[  984.366016][   T42]  ? idempotent_init_module+0x32a/0x620
[  984.366154][   T42]  ? idempotent_init_module+0x32a/0x620
[  984.366279][   T42]  ? do_raw_spin_unlock+0x58/0x220
[  984.366413][   T42]  idempotent_init_module+0x342/0x620
[  984.366543][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[  984.366723][   T42]  __x64_sys_finit_module+0xbe/0x130
[  984.366859][   T42]  do_syscall_64+0xc6/0x1e0
[  984.366988][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  984.367151][   T42] RIP: 0033:0x7f93cc153e5d
[  984.367279][   T42] RSP: 002b:00007fff97ff1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  984.367471][   T42] RAX: ffffffffffffffda RBX: 0000557c14f43e90 RCX: 00007f93cc153e5d
[  984.367655][   T42] RDX: 0000000000000000 RSI: 0000557bf5357a2a RDI: 0000000000000001
[  984.367852][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557c14f444f0
[  984.368036][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bf5357a2a
[  984.368227][   T42] R13: 0000557c14f43e40 R14: 0000557c14f44570 R15: 0000000000000000
[  984.368425][   T42]  </TASK>
[  984.368520][   T42] 
[  984.368520][   T42] Showing all locks held in the system:
[  984.368701][   T42] 2 locks held by kworker/u20:0/39:
[  984.368846][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  984.369108][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  984.369388][   T42] 1 lock held by khungtaskd/42:
[  984.369508][   T42]  #0: ffffffffa85591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[  984.369730][   T42] 3 locks held by kworker/u16:1/72:
[  984.369862][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[  984.370111][   T42]  #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[  984.370329][   T42]  #2: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[  984.370553][   T42] 1 lock held by modprobe/456:
[  984.370673][   T42]  #0: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[  984.370930][   T42] 
[  984.370995][   T42] =============================================
[  984.370995][   T42] 
[  988.623881][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  988.624342][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  988.624342][   T72]      netdev_get_by_index+0x5e/0x80
[  988.624342][   T72]      fib6_nh_init+0x3d8/0x1580
[  988.624342][   T72]      ip6_route_info_create+0xf18/0x17d0
[  988.624342][   T72]      addrconf_f6i_alloc+0x315/0x560
[  988.624342][   T72]      ipv6_add_addr+0x411/0x2000
[  988.624342][   T72]      inet6_addr_add+0x30e/0xa40
[  988.624342][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  988.624342][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  988.624342][   T72]      netlink_rcv_skb+0x130/0x360
[  988.624342][   T72]      netlink_unicast+0x449/0x710
[  988.624342][   T72]      netlink_sendmsg+0x723/0xbe0
[  988.624342][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  988.624342][   T72]      ___sys_sendmsg+0xee/0x170
[  988.624342][   T72]      __sys_sendmsg+0xcd/0x170
[  988.624342][   T72]      do_syscall_64+0xc6/0x1e0
[  988.624342][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  988.624342][   T72] 
[  988.626411][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  988.626411][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  988.626411][   T72]      ipv6_find_idev+0x102/0x170
[  988.626411][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  988.626411][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  988.626411][   T72]      netlink_rcv_skb+0x130/0x360
[  988.626411][   T72]      netlink_unicast+0x449/0x710
[  988.626411][   T72]      netlink_sendmsg+0x723/0xbe0
[  988.626411][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  988.626411][   T72]      ___sys_sendmsg+0xee/0x170
[  988.626411][   T72]      __sys_sendmsg+0xcd/0x170
[  988.626411][   T72]      do_syscall_64+0xc6/0x1e0
[  988.626411][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  988.626411][   T72] 
[  988.628003][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  988.628003][   T72]      neigh_parms_alloc+0x1e5/0x510
[  988.628003][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  988.628003][   T72]      ipv6_find_idev+0x102/0x170
[  988.628003][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  988.628003][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  988.628003][   T72]      netlink_rcv_skb+0x130/0x360
[  988.628003][   T72]      netlink_unicast+0x449/0x710
[  988.628003][   T72]      netlink_sendmsg+0x723/0xbe0
[  988.628003][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  988.628003][   T72]      ___sys_sendmsg+0xee/0x170
[  988.628003][   T72]      __sys_sendmsg+0xcd/0x170
[  988.628003][   T72]      do_syscall_64+0xc6/0x1e0
[  988.628003][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  988.628003][   T72] 
[  988.629712][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  988.629973][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  988.629973][   T72]      netdev_get_by_index+0x5e/0x80
[  988.629973][   T72]      fib6_nh_init+0x3d8/0x1580
[  988.629973][   T72]      ip6_route_info_create+0xf18/0x17d0
[  988.629973][   T72]      ip6_route_add+0x1c/0x140
[  988.629973][   T72]      addrconf_prefix_route+0x2a6/0x430
[  988.629973][   T72]      inet6_addr_add+0x4f8/0xa40
[  988.629973][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  988.629973][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  988.629973][   T72]      netlink_rcv_skb+0x130/0x360
[  988.629973][   T72]      netlink_unicast+0x449/0x710
[  988.629973][   T72]      netlink_sendmsg+0x723/0xbe0
[  988.629973][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  988.629973][   T72]      ___sys_sendmsg+0xee/0x170
[  988.629973][   T72]      __sys_sendmsg+0xcd/0x170
[  988.629973][   T72]      do_syscall_64+0xc6/0x1e0
[  988.629973][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  988.629973][   T72] 
[  988.632009][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  988.632009][   T72]      netdev_get_by_index+0x5e/0x80
[  988.632009][   T72]      fib6_nh_init+0x3d8/0x1580
[  988.632009][   T72]      ip6_route_info_create+0xf18/0x17d0
[  988.632009][   T72]      addrconf_f6i_alloc+0x315/0x560
[  988.632009][   T72]      ipv6_add_addr+0x411/0x2000
[  988.632009][   T72]      inet6_addr_add+0x30e/0xa40
[  988.632009][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  988.632009][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  988.632009][   T72]      netlink_rcv_skb+0x130/0x360
[  988.632009][   T72]      netlink_unicast+0x449/0x710
[  988.632009][   T72]      netlink_sendmsg+0x723/0xbe0
[  988.632009][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  988.632009][   T72]      ___sys_sendmsg+0xee/0x170
[  988.632009][   T72]      __sys_sendmsg+0xcd/0x170
[  988.632009][   T72]      do_syscall_64+0xc6/0x1e0
[  988.632009][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  988.632009][   T72] 
[  988.634040][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  988.634040][   T72]      netdev_get_by_index+0x5e/0x80
[  988.634040][   T72]      fib6_nh_init+0x3d8/0x1580
[  988.634040][   T72]      ip6_route_info_create+0xf18/0x17d0
[  988.634040][   T72]      ip6_route_add+0x1c/0x140
[  988.634040][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  988.634040][   T72]      addrconf_add_dev+0xe2/0x170
[  988.634040][   T72]      inet6_addr_add+0x12f/0xa40
[  988.634040][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  988.634040][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  988.634040][   T72]      netlink_rcv_skb+0x130/0x360
[  988.634040][   T72]      netlink_unicast+0x449/0x710
[  988.634040][   T72]      netlink_sendmsg+0x723/0xbe0
[  988.634040][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  988.634040][   T72]      ___sys_sendmsg+0xee/0x170
[  988.634040][   T72]      __sys_sendmsg+0xcd/0x170
[  988.634040][   T72]      do_syscall_64+0xc6/0x1e0
[  988.634040][   T72] 
[  988.636026][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  988.636026][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  988.636026][   T72]      ipv6_find_idev+0x102/0x170
[  988.636026][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  988.636026][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  988.636026][   T72]      netlink_rcv_skb+0x130/0x360
[  988.636026][   T72]      netlink_unicast+0x449/0x710
[  988.636026][   T72]      netlink_sendmsg+0x723/0xbe0
[  988.636026][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  988.636026][   T72]      ___sys_sendmsg+0xee/0x170
[  988.636026][   T72]      __sys_sendmsg+0xcd/0x170
[  988.636026][   T72]      do_syscall_64+0xc6/0x1e0
[  988.636026][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  988.636026][   T72] 
[  988.637602][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  988.637602][   T72]      neigh_parms_alloc+0x1e5/0x510
[  988.637602][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  988.637602][   T72]      ipv6_find_idev+0x102/0x170
[  988.637602][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  988.637602][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  988.637602][   T72]      netlink_rcv_skb+0x130/0x360
[  988.637602][   T72]      netlink_unicast+0x449/0x710
[  988.637602][   T72]      netlink_sendmsg+0x723/0xbe0
[  988.637602][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  988.637602][   T72]      ___sys_sendmsg+0xee/0x170
[  988.637602][   T72]      __sys_sendmsg+0xcd/0x170
[  988.637602][   T72]      do_syscall_64+0xc6/0x1e0
[  988.637602][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  988.637602][   T72] 
[  998.703864][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[  998.704360][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  998.704360][   T72]      netdev_get_by_index+0x5e/0x80
[  998.704360][   T72]      fib6_nh_init+0x3d8/0x1580
[  998.704360][   T72]      ip6_route_info_create+0xf18/0x17d0
[  998.704360][   T72]      addrconf_f6i_alloc+0x315/0x560
[  998.704360][   T72]      ipv6_add_addr+0x411/0x2000
[  998.704360][   T72]      inet6_addr_add+0x30e/0xa40
[  998.704360][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  998.704360][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  998.704360][   T72]      netlink_rcv_skb+0x130/0x360
[  998.704360][   T72]      netlink_unicast+0x449/0x710
[  998.704360][   T72]      netlink_sendmsg+0x723/0xbe0
[  998.704360][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  998.704360][   T72]      ___sys_sendmsg+0xee/0x170
[  998.704360][   T72]      __sys_sendmsg+0xcd/0x170
[  998.704360][   T72]      do_syscall_64+0xc6/0x1e0
[  998.704360][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  998.704360][   T72] 
[  998.706434][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  998.706434][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  998.706434][   T72]      ipv6_find_idev+0x102/0x170
[  998.706434][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  998.706434][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  998.706434][   T72]      netlink_rcv_skb+0x130/0x360
[  998.706434][   T72]      netlink_unicast+0x449/0x710
[  998.706434][   T72]      netlink_sendmsg+0x723/0xbe0
[  998.706434][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  998.706434][   T72]      ___sys_sendmsg+0xee/0x170
[  998.706434][   T72]      __sys_sendmsg+0xcd/0x170
[  998.706434][   T72]      do_syscall_64+0xc6/0x1e0
[  998.706434][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  998.706434][   T72] 
[  998.707993][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[  998.707993][   T72]      neigh_parms_alloc+0x1e5/0x510
[  998.707993][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  998.707993][   T72]      ipv6_find_idev+0x102/0x170
[  998.707993][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  998.707993][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  998.707993][   T72]      netlink_rcv_skb+0x130/0x360
[  998.707993][   T72]      netlink_unicast+0x449/0x710
[  998.707993][   T72]      netlink_sendmsg+0x723/0xbe0
[  998.707993][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  998.707993][   T72]      ___sys_sendmsg+0xee/0x170
[  998.707993][   T72]      __sys_sendmsg+0xcd/0x170
[  998.707993][   T72]      do_syscall_64+0xc6/0x1e0
[  998.707993][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  998.707993][   T72] 
[  998.709710][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[  998.709972][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  998.709972][   T72]      netdev_get_by_index+0x5e/0x80
[  998.709972][   T72]      fib6_nh_init+0x3d8/0x1580
[  998.709972][   T72]      ip6_route_info_create+0xf18/0x17d0
[  998.709972][   T72]      ip6_route_add+0x1c/0x140
[  998.709972][   T72]      addrconf_prefix_route+0x2a6/0x430
[  998.709972][   T72]      inet6_addr_add+0x4f8/0xa40
[  998.709972][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  998.709972][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  998.709972][   T72]      netlink_rcv_skb+0x130/0x360
[  998.709972][   T72]      netlink_unicast+0x449/0x710
[  998.709972][   T72]      netlink_sendmsg+0x723/0xbe0
[  998.709972][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  998.709972][   T72]      ___sys_sendmsg+0xee/0x170
[  998.709972][   T72]      __sys_sendmsg+0xcd/0x170
[  998.709972][   T72]      do_syscall_64+0xc6/0x1e0
[  998.709972][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  998.709972][   T72] 
[  998.712009][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  998.712009][   T72]      netdev_get_by_index+0x5e/0x80
[  998.712009][   T72]      fib6_nh_init+0x3d8/0x1580
[  998.712009][   T72]      ip6_route_info_create+0xf18/0x17d0
[  998.712009][   T72]      addrconf_f6i_alloc+0x315/0x560
[  998.712009][   T72]      ipv6_add_addr+0x411/0x2000
[  998.712009][   T72]      inet6_addr_add+0x30e/0xa40
[  998.712009][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  998.712009][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  998.712009][   T72]      netlink_rcv_skb+0x130/0x360
[  998.712009][   T72]      netlink_unicast+0x449/0x710
[  998.712009][   T72]      netlink_sendmsg+0x723/0xbe0
[  998.712009][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  998.712009][   T72]      ___sys_sendmsg+0xee/0x170
[  998.712009][   T72]      __sys_sendmsg+0xcd/0x170
[  998.712009][   T72]      do_syscall_64+0xc6/0x1e0
[  998.712009][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  998.712009][   T72] 
[  998.714053][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  998.714053][   T72]      netdev_get_by_index+0x5e/0x80
[  998.714053][   T72]      fib6_nh_init+0x3d8/0x1580
[  998.714053][   T72]      ip6_route_info_create+0xf18/0x17d0
[  998.714053][   T72]      ip6_route_add+0x1c/0x140
[  998.714053][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[  998.714053][   T72]      addrconf_add_dev+0xe2/0x170
[  998.714053][   T72]      inet6_addr_add+0x12f/0xa40
[  998.714053][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[  998.714053][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  998.714053][   T72]      netlink_rcv_skb+0x130/0x360
[  998.714053][   T72]      netlink_unicast+0x449/0x710
[  998.714053][   T72]      netlink_sendmsg+0x723/0xbe0
[  998.714053][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  998.714053][   T72]      ___sys_sendmsg+0xee/0x170
[  998.714053][   T72]      __sys_sendmsg+0xcd/0x170
[  998.714053][   T72]      do_syscall_64+0xc6/0x1e0
[  998.714053][   T72] 
[  998.716039][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  998.716039][   T72]      ipv6_add_dev+0x3ba/0x11c0
[  998.716039][   T72]      ipv6_find_idev+0x102/0x170
[  998.716039][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  998.716039][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  998.716039][   T72]      netlink_rcv_skb+0x130/0x360
[  998.716039][   T72]      netlink_unicast+0x449/0x710
[  998.716039][   T72]      netlink_sendmsg+0x723/0xbe0
[  998.716039][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  998.716039][   T72]      ___sys_sendmsg+0xee/0x170
[  998.716039][   T72]      __sys_sendmsg+0xcd/0x170
[  998.716039][   T72]      do_syscall_64+0xc6/0x1e0
[  998.716039][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  998.716039][   T72] 
[  998.717623][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[  998.717623][   T72]      neigh_parms_alloc+0x1e5/0x510
[  998.717623][   T72]      ipv6_add_dev+0x2fe/0x11c0
[  998.717623][   T72]      ipv6_find_idev+0x102/0x170
[  998.717623][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[  998.717623][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  998.717623][   T72]      netlink_rcv_skb+0x130/0x360
[  998.717623][   T72]      netlink_unicast+0x449/0x710
[  998.717623][   T72]      netlink_sendmsg+0x723/0xbe0
[  998.717623][   T72]      ____sys_sendmsg+0x7b2/0xa10
[  998.717623][   T72]      ___sys_sendmsg+0xee/0x170
[  998.717623][   T72]      __sys_sendmsg+0xcd/0x170
[  998.717623][   T72]      do_syscall_64+0xc6/0x1e0
[  998.717623][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  998.717623][   T72] 
[ 1008.959822][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1008.960277][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1008.960277][   T72]      netdev_get_by_index+0x5e/0x80
[ 1008.960277][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1008.960277][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1008.960277][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1008.960277][   T72]      ipv6_add_addr+0x411/0x2000
[ 1008.960277][   T72]      inet6_addr_add+0x30e/0xa40
[ 1008.960277][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1008.960277][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1008.960277][   T72]      netlink_rcv_skb+0x130/0x360
[ 1008.960277][   T72]      netlink_unicast+0x449/0x710
[ 1008.960277][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1008.960277][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1008.960277][   T72]      ___sys_sendmsg+0xee/0x170
[ 1008.960277][   T72]      __sys_sendmsg+0xcd/0x170
[ 1008.960277][   T72]      do_syscall_64+0xc6/0x1e0
[ 1008.960277][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1008.960277][   T72] 
[ 1008.962344][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1008.962344][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1008.962344][   T72]      ipv6_find_idev+0x102/0x170
[ 1008.962344][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1008.962344][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1008.962344][   T72]      netlink_rcv_skb+0x130/0x360
[ 1008.962344][   T72]      netlink_unicast+0x449/0x710
[ 1008.962344][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1008.962344][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1008.962344][   T72]      ___sys_sendmsg+0xee/0x170
[ 1008.962344][   T72]      __sys_sendmsg+0xcd/0x170
[ 1008.962344][   T72]      do_syscall_64+0xc6/0x1e0
[ 1008.962344][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1008.962344][   T72] 
[ 1008.963906][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1008.963906][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1008.963906][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1008.963906][   T72]      ipv6_find_idev+0x102/0x170
[ 1008.963906][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1008.963906][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1008.963906][   T72]      netlink_rcv_skb+0x130/0x360
[ 1008.963906][   T72]      netlink_unicast+0x449/0x710
[ 1008.963906][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1008.963906][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1008.963906][   T72]      ___sys_sendmsg+0xee/0x170
[ 1008.963906][   T72]      __sys_sendmsg+0xcd/0x170
[ 1008.963906][   T72]      do_syscall_64+0xc6/0x1e0
[ 1008.963906][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1008.963906][   T72] 
[ 1008.965619][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1008.965880][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1008.965880][   T72]      netdev_get_by_index+0x5e/0x80
[ 1008.965880][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1008.965880][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1008.965880][   T72]      ip6_route_add+0x1c/0x140
[ 1008.965880][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1008.965880][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1008.965880][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1008.965880][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1008.965880][   T72]      netlink_rcv_skb+0x130/0x360
[ 1008.965880][   T72]      netlink_unicast+0x449/0x710
[ 1008.965880][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1008.965880][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1008.965880][   T72]      ___sys_sendmsg+0xee/0x170
[ 1008.965880][   T72]      __sys_sendmsg+0xcd/0x170
[ 1008.965880][   T72]      do_syscall_64+0xc6/0x1e0
[ 1008.965880][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1008.965880][   T72] 
[ 1008.967919][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1008.967919][   T72]      netdev_get_by_index+0x5e/0x80
[ 1008.967919][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1008.967919][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1008.967919][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1008.967919][   T72]      ipv6_add_addr+0x411/0x2000
[ 1008.967919][   T72]      inet6_addr_add+0x30e/0xa40
[ 1008.967919][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1008.967919][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1008.967919][   T72]      netlink_rcv_skb+0x130/0x360
[ 1008.967919][   T72]      netlink_unicast+0x449/0x710
[ 1008.967919][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1008.967919][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1008.967919][   T72]      ___sys_sendmsg+0xee/0x170
[ 1008.967919][   T72]      __sys_sendmsg+0xcd/0x170
[ 1008.967919][   T72]      do_syscall_64+0xc6/0x1e0
[ 1008.967919][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1008.967919][   T72] 
[ 1008.969996][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1008.969996][   T72]      netdev_get_by_index+0x5e/0x80
[ 1008.969996][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1008.969996][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1008.969996][   T72]      ip6_route_add+0x1c/0x140
[ 1008.969996][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1008.969996][   T72]      addrconf_add_dev+0xe2/0x170
[ 1008.969996][   T72]      inet6_addr_add+0x12f/0xa40
[ 1008.969996][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1008.969996][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1008.969996][   T72]      netlink_rcv_skb+0x130/0x360
[ 1008.969996][   T72]      netlink_unicast+0x449/0x710
[ 1008.969996][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1008.969996][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1008.969996][   T72]      ___sys_sendmsg+0xee/0x170
[ 1008.969996][   T72]      __sys_sendmsg+0xcd/0x170
[ 1008.969996][   T72]      do_syscall_64+0xc6/0x1e0
[ 1008.969996][   T72] 
[ 1008.971991][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1008.971991][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1008.971991][   T72]      ipv6_find_idev+0x102/0x170
[ 1008.971991][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1008.971991][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1008.971991][   T72]      netlink_rcv_skb+0x130/0x360
[ 1008.971991][   T72]      netlink_unicast+0x449/0x710
[ 1008.971991][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1008.971991][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1008.971991][   T72]      ___sys_sendmsg+0xee/0x170
[ 1008.971991][   T72]      __sys_sendmsg+0xcd/0x170
[ 1008.971991][   T72]      do_syscall_64+0xc6/0x1e0
[ 1008.971991][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1008.971991][   T72] 
[ 1008.973570][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1008.973570][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1008.973570][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1008.973570][   T72]      ipv6_find_idev+0x102/0x170
[ 1008.973570][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1008.973570][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1008.973570][   T72]      netlink_rcv_skb+0x130/0x360
[ 1008.973570][   T72]      netlink_unicast+0x449/0x710
[ 1008.973570][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1008.973570][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1008.973570][   T72]      ___sys_sendmsg+0xee/0x170
[ 1008.973570][   T72]      __sys_sendmsg+0xcd/0x170
[ 1008.973570][   T72]      do_syscall_64+0xc6/0x1e0
[ 1008.973570][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1008.973570][   T72] 
[ 1019.119805][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1019.120270][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1019.120270][   T72]      netdev_get_by_index+0x5e/0x80
[ 1019.120270][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1019.120270][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1019.120270][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1019.120270][   T72]      ipv6_add_addr+0x411/0x2000
[ 1019.120270][   T72]      inet6_addr_add+0x30e/0xa40
[ 1019.120270][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1019.120270][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1019.120270][   T72]      netlink_rcv_skb+0x130/0x360
[ 1019.120270][   T72]      netlink_unicast+0x449/0x710
[ 1019.120270][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1019.120270][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1019.120270][   T72]      ___sys_sendmsg+0xee/0x170
[ 1019.120270][   T72]      __sys_sendmsg+0xcd/0x170
[ 1019.120270][   T72]      do_syscall_64+0xc6/0x1e0
[ 1019.120270][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1019.120270][   T72] 
[ 1019.122359][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1019.122359][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1019.122359][   T72]      ipv6_find_idev+0x102/0x170
[ 1019.122359][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1019.122359][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1019.122359][   T72]      netlink_rcv_skb+0x130/0x360
[ 1019.122359][   T72]      netlink_unicast+0x449/0x710
[ 1019.122359][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1019.122359][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1019.122359][   T72]      ___sys_sendmsg+0xee/0x170
[ 1019.122359][   T72]      __sys_sendmsg+0xcd/0x170
[ 1019.122359][   T72]      do_syscall_64+0xc6/0x1e0
[ 1019.122359][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1019.122359][   T72] 
[ 1019.123927][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1019.123927][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1019.123927][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1019.123927][   T72]      ipv6_find_idev+0x102/0x170
[ 1019.123927][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1019.123927][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1019.123927][   T72]      netlink_rcv_skb+0x130/0x360
[ 1019.123927][   T72]      netlink_unicast+0x449/0x710
[ 1019.123927][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1019.123927][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1019.123927][   T72]      ___sys_sendmsg+0xee/0x170
[ 1019.123927][   T72]      __sys_sendmsg+0xcd/0x170
[ 1019.123927][   T72]      do_syscall_64+0xc6/0x1e0
[ 1019.123927][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1019.123927][   T72] 
[ 1019.125658][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1019.125928][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1019.125928][   T72]      netdev_get_by_index+0x5e/0x80
[ 1019.125928][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1019.125928][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1019.125928][   T72]      ip6_route_add+0x1c/0x140
[ 1019.125928][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1019.125928][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1019.125928][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1019.125928][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1019.125928][   T72]      netlink_rcv_skb+0x130/0x360
[ 1019.125928][   T72]      netlink_unicast+0x449/0x710
[ 1019.125928][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1019.125928][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1019.125928][   T72]      ___sys_sendmsg+0xee/0x170
[ 1019.125928][   T72]      __sys_sendmsg+0xcd/0x170
[ 1019.125928][   T72]      do_syscall_64+0xc6/0x1e0
[ 1019.125928][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1019.125928][   T72] 
[ 1019.127964][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1019.127964][   T72]      netdev_get_by_index+0x5e/0x80
[ 1019.127964][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1019.127964][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1019.127964][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1019.127964][   T72]      ipv6_add_addr+0x411/0x2000
[ 1019.127964][   T72]      inet6_addr_add+0x30e/0xa40
[ 1019.127964][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1019.127964][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1019.127964][   T72]      netlink_rcv_skb+0x130/0x360
[ 1019.127964][   T72]      netlink_unicast+0x449/0x710
[ 1019.127964][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1019.127964][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1019.127964][   T72]      ___sys_sendmsg+0xee/0x170
[ 1019.127964][   T72]      __sys_sendmsg+0xcd/0x170
[ 1019.127964][   T72]      do_syscall_64+0xc6/0x1e0
[ 1019.127964][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1019.127964][   T72] 
[ 1019.130024][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1019.130024][   T72]      netdev_get_by_index+0x5e/0x80
[ 1019.130024][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1019.130024][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1019.130024][   T72]      ip6_route_add+0x1c/0x140
[ 1019.130024][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1019.130024][   T72]      addrconf_add_dev+0xe2/0x170
[ 1019.130024][   T72]      inet6_addr_add+0x12f/0xa40
[ 1019.130024][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1019.130024][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1019.130024][   T72]      netlink_rcv_skb+0x130/0x360
[ 1019.130024][   T72]      netlink_unicast+0x449/0x710
[ 1019.130024][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1019.130024][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1019.130024][   T72]      ___sys_sendmsg+0xee/0x170
[ 1019.130024][   T72]      __sys_sendmsg+0xcd/0x170
[ 1019.130024][   T72]      do_syscall_64+0xc6/0x1e0
[ 1019.130024][   T72] 
[ 1019.132276][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1019.132276][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1019.132276][   T72]      ipv6_find_idev+0x102/0x170
[ 1019.132276][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1019.132276][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1019.132276][   T72]      netlink_rcv_skb+0x130/0x360
[ 1019.132276][   T72]      netlink_unicast+0x449/0x710
[ 1019.132276][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1019.132276][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1019.132276][   T72]      ___sys_sendmsg+0xee/0x170
[ 1019.132276][   T72]      __sys_sendmsg+0xcd/0x170
[ 1019.132276][   T72]      do_syscall_64+0xc6/0x1e0
[ 1019.132276][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1019.132276][   T72] 
[ 1019.134044][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1019.134044][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1019.134044][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1019.134044][   T72]      ipv6_find_idev+0x102/0x170
[ 1019.134044][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1019.134044][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1019.134044][   T72]      netlink_rcv_skb+0x130/0x360
[ 1019.134044][   T72]      netlink_unicast+0x449/0x710
[ 1019.134044][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1019.134044][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1019.134044][   T72]      ___sys_sendmsg+0xee/0x170
[ 1019.134044][   T72]      __sys_sendmsg+0xcd/0x170
[ 1019.134044][   T72]      do_syscall_64+0xc6/0x1e0
[ 1019.134044][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1019.134044][   T72] 
[ 1029.263882][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1029.264368][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1029.264368][   T72]      netdev_get_by_index+0x5e/0x80
[ 1029.264368][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1029.264368][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1029.264368][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1029.264368][   T72]      ipv6_add_addr+0x411/0x2000
[ 1029.264368][   T72]      inet6_addr_add+0x30e/0xa40
[ 1029.264368][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1029.264368][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1029.264368][   T72]      netlink_rcv_skb+0x130/0x360
[ 1029.264368][   T72]      netlink_unicast+0x449/0x710
[ 1029.264368][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1029.264368][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1029.264368][   T72]      ___sys_sendmsg+0xee/0x170
[ 1029.264368][   T72]      __sys_sendmsg+0xcd/0x170
[ 1029.264368][   T72]      do_syscall_64+0xc6/0x1e0
[ 1029.264368][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1029.264368][   T72] 
[ 1029.266474][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1029.266474][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1029.266474][   T72]      ipv6_find_idev+0x102/0x170
[ 1029.266474][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1029.266474][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1029.266474][   T72]      netlink_rcv_skb+0x130/0x360
[ 1029.266474][   T72]      netlink_unicast+0x449/0x710
[ 1029.266474][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1029.266474][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1029.266474][   T72]      ___sys_sendmsg+0xee/0x170
[ 1029.266474][   T72]      __sys_sendmsg+0xcd/0x170
[ 1029.266474][   T72]      do_syscall_64+0xc6/0x1e0
[ 1029.266474][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1029.266474][   T72] 
[ 1029.268051][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1029.268051][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1029.268051][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1029.268051][   T72]      ipv6_find_idev+0x102/0x170
[ 1029.268051][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1029.268051][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1029.268051][   T72]      netlink_rcv_skb+0x130/0x360
[ 1029.268051][   T72]      netlink_unicast+0x449/0x710
[ 1029.268051][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1029.268051][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1029.268051][   T72]      ___sys_sendmsg+0xee/0x170
[ 1029.268051][   T72]      __sys_sendmsg+0xcd/0x170
[ 1029.268051][   T72]      do_syscall_64+0xc6/0x1e0
[ 1029.268051][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1029.268051][   T72] 
[ 1029.269801][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1029.270051][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1029.270051][   T72]      netdev_get_by_index+0x5e/0x80
[ 1029.270051][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1029.270051][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1029.270051][   T72]      ip6_route_add+0x1c/0x140
[ 1029.270051][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1029.270051][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1029.270051][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1029.270051][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1029.270051][   T72]      netlink_rcv_skb+0x130/0x360
[ 1029.270051][   T72]      netlink_unicast+0x449/0x710
[ 1029.270051][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1029.270051][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1029.270051][   T72]      ___sys_sendmsg+0xee/0x170
[ 1029.270051][   T72]      __sys_sendmsg+0xcd/0x170
[ 1029.270051][   T72]      do_syscall_64+0xc6/0x1e0
[ 1029.270051][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1029.270051][   T72] 
[ 1029.272092][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1029.272092][   T72]      netdev_get_by_index+0x5e/0x80
[ 1029.272092][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1029.272092][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1029.272092][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1029.272092][   T72]      ipv6_add_addr+0x411/0x2000
[ 1029.272092][   T72]      inet6_addr_add+0x30e/0xa40
[ 1029.272092][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1029.272092][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1029.272092][   T72]      netlink_rcv_skb+0x130/0x360
[ 1029.272092][   T72]      netlink_unicast+0x449/0x710
[ 1029.272092][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1029.272092][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1029.272092][   T72]      ___sys_sendmsg+0xee/0x170
[ 1029.272092][   T72]      __sys_sendmsg+0xcd/0x170
[ 1029.272092][   T72]      do_syscall_64+0xc6/0x1e0
[ 1029.272092][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1029.272092][   T72] 
[ 1029.274155][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1029.274155][   T72]      netdev_get_by_index+0x5e/0x80
[ 1029.274155][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1029.274155][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1029.274155][   T72]      ip6_route_add+0x1c/0x140
[ 1029.274155][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1029.274155][   T72]      addrconf_add_dev+0xe2/0x170
[ 1029.274155][   T72]      inet6_addr_add+0x12f/0xa40
[ 1029.274155][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1029.274155][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1029.274155][   T72]      netlink_rcv_skb+0x130/0x360
[ 1029.274155][   T72]      netlink_unicast+0x449/0x710
[ 1029.274155][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1029.274155][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1029.274155][   T72]      ___sys_sendmsg+0xee/0x170
[ 1029.274155][   T72]      __sys_sendmsg+0xcd/0x170
[ 1029.274155][   T72]      do_syscall_64+0xc6/0x1e0
[ 1029.274155][   T72] 
[ 1029.276172][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1029.276172][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1029.276172][   T72]      ipv6_find_idev+0x102/0x170
[ 1029.276172][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1029.276172][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1029.276172][   T72]      netlink_rcv_skb+0x130/0x360
[ 1029.276172][   T72]      netlink_unicast+0x449/0x710
[ 1029.276172][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1029.276172][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1029.276172][   T72]      ___sys_sendmsg+0xee/0x170
[ 1029.276172][   T72]      __sys_sendmsg+0xcd/0x170
[ 1029.276172][   T72]      do_syscall_64+0xc6/0x1e0
[ 1029.276172][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1029.276172][   T72] 
[ 1029.277752][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1029.277752][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1029.277752][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1029.277752][   T72]      ipv6_find_idev+0x102/0x170
[ 1029.277752][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1029.277752][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1029.277752][   T72]      netlink_rcv_skb+0x130/0x360
[ 1029.277752][   T72]      netlink_unicast+0x449/0x710
[ 1029.277752][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1029.277752][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1029.277752][   T72]      ___sys_sendmsg+0xee/0x170
[ 1029.277752][   T72]      __sys_sendmsg+0xcd/0x170
[ 1029.277752][   T72]      do_syscall_64+0xc6/0x1e0
[ 1029.277752][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1029.277752][   T72] 
[ 1039.519885][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1039.520369][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1039.520369][   T72]      netdev_get_by_index+0x5e/0x80
[ 1039.520369][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1039.520369][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1039.520369][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1039.520369][   T72]      ipv6_add_addr+0x411/0x2000
[ 1039.520369][   T72]      inet6_addr_add+0x30e/0xa40
[ 1039.520369][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1039.520369][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1039.520369][   T72]      netlink_rcv_skb+0x130/0x360
[ 1039.520369][   T72]      netlink_unicast+0x449/0x710
[ 1039.520369][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1039.520369][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1039.520369][   T72]      ___sys_sendmsg+0xee/0x170
[ 1039.520369][   T72]      __sys_sendmsg+0xcd/0x170
[ 1039.520369][   T72]      do_syscall_64+0xc6/0x1e0
[ 1039.520369][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1039.520369][   T72] 
[ 1039.522467][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1039.522467][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1039.522467][   T72]      ipv6_find_idev+0x102/0x170
[ 1039.522467][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1039.522467][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1039.522467][   T72]      netlink_rcv_skb+0x130/0x360
[ 1039.522467][   T72]      netlink_unicast+0x449/0x710
[ 1039.522467][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1039.522467][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1039.522467][   T72]      ___sys_sendmsg+0xee/0x170
[ 1039.522467][   T72]      __sys_sendmsg+0xcd/0x170
[ 1039.522467][   T72]      do_syscall_64+0xc6/0x1e0
[ 1039.522467][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1039.522467][   T72] 
[ 1039.524053][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1039.524053][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1039.524053][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1039.524053][   T72]      ipv6_find_idev+0x102/0x170
[ 1039.524053][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1039.524053][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1039.524053][   T72]      netlink_rcv_skb+0x130/0x360
[ 1039.524053][   T72]      netlink_unicast+0x449/0x710
[ 1039.524053][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1039.524053][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1039.524053][   T72]      ___sys_sendmsg+0xee/0x170
[ 1039.524053][   T72]      __sys_sendmsg+0xcd/0x170
[ 1039.524053][   T72]      do_syscall_64+0xc6/0x1e0
[ 1039.524053][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1039.524053][   T72] 
[ 1039.525806][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1039.526061][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1039.526061][   T72]      netdev_get_by_index+0x5e/0x80
[ 1039.526061][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1039.526061][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1039.526061][   T72]      ip6_route_add+0x1c/0x140
[ 1039.526061][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1039.526061][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1039.526061][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1039.526061][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1039.526061][   T72]      netlink_rcv_skb+0x130/0x360
[ 1039.526061][   T72]      netlink_unicast+0x449/0x710
[ 1039.526061][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1039.526061][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1039.526061][   T72]      ___sys_sendmsg+0xee/0x170
[ 1039.526061][   T72]      __sys_sendmsg+0xcd/0x170
[ 1039.526061][   T72]      do_syscall_64+0xc6/0x1e0
[ 1039.526061][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1039.526061][   T72] 
[ 1039.528134][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1039.528134][   T72]      netdev_get_by_index+0x5e/0x80
[ 1039.528134][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1039.528134][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1039.528134][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1039.528134][   T72]      ipv6_add_addr+0x411/0x2000
[ 1039.528134][   T72]      inet6_addr_add+0x30e/0xa40
[ 1039.528134][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1039.528134][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1039.528134][   T72]      netlink_rcv_skb+0x130/0x360
[ 1039.528134][   T72]      netlink_unicast+0x449/0x710
[ 1039.528134][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1039.528134][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1039.528134][   T72]      ___sys_sendmsg+0xee/0x170
[ 1039.528134][   T72]      __sys_sendmsg+0xcd/0x170
[ 1039.528134][   T72]      do_syscall_64+0xc6/0x1e0
[ 1039.528134][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1039.528134][   T72] 
[ 1039.530191][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1039.530191][   T72]      netdev_get_by_index+0x5e/0x80
[ 1039.530191][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1039.530191][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1039.530191][   T72]      ip6_route_add+0x1c/0x140
[ 1039.530191][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1039.530191][   T72]      addrconf_add_dev+0xe2/0x170
[ 1039.530191][   T72]      inet6_addr_add+0x12f/0xa40
[ 1039.530191][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1039.530191][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1039.530191][   T72]      netlink_rcv_skb+0x130/0x360
[ 1039.530191][   T72]      netlink_unicast+0x449/0x710
[ 1039.530191][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1039.530191][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1039.530191][   T72]      ___sys_sendmsg+0xee/0x170
[ 1039.530191][   T72]      __sys_sendmsg+0xcd/0x170
[ 1039.530191][   T72]      do_syscall_64+0xc6/0x1e0
[ 1039.530191][   T72] 
[ 1039.532205][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1039.532205][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1039.532205][   T72]      ipv6_find_idev+0x102/0x170
[ 1039.532205][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1039.532205][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1039.532205][   T72]      netlink_rcv_skb+0x130/0x360
[ 1039.532205][   T72]      netlink_unicast+0x449/0x710
[ 1039.532205][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1039.532205][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1039.532205][   T72]      ___sys_sendmsg+0xee/0x170
[ 1039.532205][   T72]      __sys_sendmsg+0xcd/0x170
[ 1039.532205][   T72]      do_syscall_64+0xc6/0x1e0
[ 1039.532205][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1039.532205][   T72] 
[ 1039.533781][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1039.533781][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1039.533781][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1039.533781][   T72]      ipv6_find_idev+0x102/0x170
[ 1039.533781][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1039.533781][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1039.533781][   T72]      netlink_rcv_skb+0x130/0x360
[ 1039.533781][   T72]      netlink_unicast+0x449/0x710
[ 1039.533781][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1039.533781][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1039.533781][   T72]      ___sys_sendmsg+0xee/0x170
[ 1039.533781][   T72]      __sys_sendmsg+0xcd/0x170
[ 1039.533781][   T72]      do_syscall_64+0xc6/0x1e0
[ 1039.533781][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1039.533781][   T72] 
[ 1049.839920][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1049.840401][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1049.840401][   T72]      netdev_get_by_index+0x5e/0x80
[ 1049.840401][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1049.840401][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1049.840401][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1049.840401][   T72]      ipv6_add_addr+0x411/0x2000
[ 1049.840401][   T72]      inet6_addr_add+0x30e/0xa40
[ 1049.840401][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1049.840401][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1049.840401][   T72]      netlink_rcv_skb+0x130/0x360
[ 1049.840401][   T72]      netlink_unicast+0x449/0x710
[ 1049.840401][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1049.840401][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1049.840401][   T72]      ___sys_sendmsg+0xee/0x170
[ 1049.840401][   T72]      __sys_sendmsg+0xcd/0x170
[ 1049.840401][   T72]      do_syscall_64+0xc6/0x1e0
[ 1049.840401][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1049.840401][   T72] 
[ 1049.842449][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1049.842449][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1049.842449][   T72]      ipv6_find_idev+0x102/0x170
[ 1049.842449][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1049.842449][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1049.842449][   T72]      netlink_rcv_skb+0x130/0x360
[ 1049.842449][   T72]      netlink_unicast+0x449/0x710
[ 1049.842449][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1049.842449][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1049.842449][   T72]      ___sys_sendmsg+0xee/0x170
[ 1049.842449][   T72]      __sys_sendmsg+0xcd/0x170
[ 1049.842449][   T72]      do_syscall_64+0xc6/0x1e0
[ 1049.842449][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1049.842449][   T72] 
[ 1049.844013][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1049.844013][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1049.844013][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1049.844013][   T72]      ipv6_find_idev+0x102/0x170
[ 1049.844013][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1049.844013][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1049.844013][   T72]      netlink_rcv_skb+0x130/0x360
[ 1049.844013][   T72]      netlink_unicast+0x449/0x710
[ 1049.844013][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1049.844013][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1049.844013][   T72]      ___sys_sendmsg+0xee/0x170
[ 1049.844013][   T72]      __sys_sendmsg+0xcd/0x170
[ 1049.844013][   T72]      do_syscall_64+0xc6/0x1e0
[ 1049.844013][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1049.844013][   T72] 
[ 1049.845729][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1049.845994][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1049.845994][   T72]      netdev_get_by_index+0x5e/0x80
[ 1049.845994][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1049.845994][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1049.845994][   T72]      ip6_route_add+0x1c/0x140
[ 1049.845994][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1049.845994][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1049.845994][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1049.845994][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1049.845994][   T72]      netlink_rcv_skb+0x130/0x360
[ 1049.845994][   T72]      netlink_unicast+0x449/0x710
[ 1049.845994][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1049.845994][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1049.845994][   T72]      ___sys_sendmsg+0xee/0x170
[ 1049.845994][   T72]      __sys_sendmsg+0xcd/0x170
[ 1049.845994][   T72]      do_syscall_64+0xc6/0x1e0
[ 1049.845994][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1049.845994][   T72] 
[ 1049.848126][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1049.848126][   T72]      netdev_get_by_index+0x5e/0x80
[ 1049.848126][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1049.848126][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1049.848126][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1049.848126][   T72]      ipv6_add_addr+0x411/0x2000
[ 1049.848126][   T72]      inet6_addr_add+0x30e/0xa40
[ 1049.848126][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1049.848126][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1049.848126][   T72]      netlink_rcv_skb+0x130/0x360
[ 1049.848126][   T72]      netlink_unicast+0x449/0x710
[ 1049.848126][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1049.848126][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1049.848126][   T72]      ___sys_sendmsg+0xee/0x170
[ 1049.848126][   T72]      __sys_sendmsg+0xcd/0x170
[ 1049.848126][   T72]      do_syscall_64+0xc6/0x1e0
[ 1049.848126][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1049.848126][   T72] 
[ 1049.850151][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1049.850151][   T72]      netdev_get_by_index+0x5e/0x80
[ 1049.850151][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1049.850151][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1049.850151][   T72]      ip6_route_add+0x1c/0x140
[ 1049.850151][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1049.850151][   T72]      addrconf_add_dev+0xe2/0x170
[ 1049.850151][   T72]      inet6_addr_add+0x12f/0xa40
[ 1049.850151][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1049.850151][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1049.850151][   T72]      netlink_rcv_skb+0x130/0x360
[ 1049.850151][   T72]      netlink_unicast+0x449/0x710
[ 1049.850151][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1049.850151][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1049.850151][   T72]      ___sys_sendmsg+0xee/0x170
[ 1049.850151][   T72]      __sys_sendmsg+0xcd/0x170
[ 1049.850151][   T72]      do_syscall_64+0xc6/0x1e0
[ 1049.850151][   T72] 
[ 1049.852137][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1049.852137][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1049.852137][   T72]      ipv6_find_idev+0x102/0x170
[ 1049.852137][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1049.852137][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1049.852137][   T72]      netlink_rcv_skb+0x130/0x360
[ 1049.852137][   T72]      netlink_unicast+0x449/0x710
[ 1049.852137][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1049.852137][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1049.852137][   T72]      ___sys_sendmsg+0xee/0x170
[ 1049.852137][   T72]      __sys_sendmsg+0xcd/0x170
[ 1049.852137][   T72]      do_syscall_64+0xc6/0x1e0
[ 1049.852137][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1049.852137][   T72] 
[ 1049.853688][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1049.853688][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1049.853688][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1049.853688][   T72]      ipv6_find_idev+0x102/0x170
[ 1049.853688][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1049.853688][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1049.853688][   T72]      netlink_rcv_skb+0x130/0x360
[ 1049.853688][   T72]      netlink_unicast+0x449/0x710
[ 1049.853688][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1049.853688][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1049.853688][   T72]      ___sys_sendmsg+0xee/0x170
[ 1049.853688][   T72]      __sys_sendmsg+0xcd/0x170
[ 1049.853688][   T72]      do_syscall_64+0xc6/0x1e0
[ 1049.853688][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1049.853688][   T72] 
[ 1060.095812][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1060.096311][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1060.096311][   T72]      netdev_get_by_index+0x5e/0x80
[ 1060.096311][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1060.096311][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1060.096311][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1060.096311][   T72]      ipv6_add_addr+0x411/0x2000
[ 1060.096311][   T72]      inet6_addr_add+0x30e/0xa40
[ 1060.096311][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1060.096311][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.096311][   T72]      netlink_rcv_skb+0x130/0x360
[ 1060.096311][   T72]      netlink_unicast+0x449/0x710
[ 1060.096311][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1060.096311][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.096311][   T72]      ___sys_sendmsg+0xee/0x170
[ 1060.096311][   T72]      __sys_sendmsg+0xcd/0x170
[ 1060.096311][   T72]      do_syscall_64+0xc6/0x1e0
[ 1060.096311][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.096311][   T72] 
[ 1060.098349][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1060.098349][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1060.098349][   T72]      ipv6_find_idev+0x102/0x170
[ 1060.098349][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1060.098349][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.098349][   T72]      netlink_rcv_skb+0x130/0x360
[ 1060.098349][   T72]      netlink_unicast+0x449/0x710
[ 1060.098349][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1060.098349][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.098349][   T72]      ___sys_sendmsg+0xee/0x170
[ 1060.098349][   T72]      __sys_sendmsg+0xcd/0x170
[ 1060.098349][   T72]      do_syscall_64+0xc6/0x1e0
[ 1060.098349][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.098349][   T72] 
[ 1060.099906][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1060.099906][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1060.099906][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1060.099906][   T72]      ipv6_find_idev+0x102/0x170
[ 1060.099906][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1060.099906][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.099906][   T72]      netlink_rcv_skb+0x130/0x360
[ 1060.099906][   T72]      netlink_unicast+0x449/0x710
[ 1060.099906][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1060.099906][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.099906][   T72]      ___sys_sendmsg+0xee/0x170
[ 1060.099906][   T72]      __sys_sendmsg+0xcd/0x170
[ 1060.099906][   T72]      do_syscall_64+0xc6/0x1e0
[ 1060.099906][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.099906][   T72] 
[ 1060.101622][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1060.101881][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1060.101881][   T72]      netdev_get_by_index+0x5e/0x80
[ 1060.101881][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1060.101881][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1060.101881][   T72]      ip6_route_add+0x1c/0x140
[ 1060.101881][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1060.101881][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1060.101881][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1060.101881][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.101881][   T72]      netlink_rcv_skb+0x130/0x360
[ 1060.101881][   T72]      netlink_unicast+0x449/0x710
[ 1060.101881][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1060.101881][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.101881][   T72]      ___sys_sendmsg+0xee/0x170
[ 1060.101881][   T72]      __sys_sendmsg+0xcd/0x170
[ 1060.101881][   T72]      do_syscall_64+0xc6/0x1e0
[ 1060.101881][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.101881][   T72] 
[ 1060.103902][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1060.103902][   T72]      netdev_get_by_index+0x5e/0x80
[ 1060.103902][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1060.103902][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1060.103902][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1060.103902][   T72]      ipv6_add_addr+0x411/0x2000
[ 1060.103902][   T72]      inet6_addr_add+0x30e/0xa40
[ 1060.103902][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1060.103902][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.103902][   T72]      netlink_rcv_skb+0x130/0x360
[ 1060.103902][   T72]      netlink_unicast+0x449/0x710
[ 1060.103902][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1060.103902][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.103902][   T72]      ___sys_sendmsg+0xee/0x170
[ 1060.103902][   T72]      __sys_sendmsg+0xcd/0x170
[ 1060.103902][   T72]      do_syscall_64+0xc6/0x1e0
[ 1060.103902][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.103902][   T72] 
[ 1060.105930][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1060.105930][   T72]      netdev_get_by_index+0x5e/0x80
[ 1060.105930][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1060.105930][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1060.105930][   T72]      ip6_route_add+0x1c/0x140
[ 1060.105930][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1060.105930][   T72]      addrconf_add_dev+0xe2/0x170
[ 1060.105930][   T72]      inet6_addr_add+0x12f/0xa40
[ 1060.105930][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1060.105930][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.105930][   T72]      netlink_rcv_skb+0x130/0x360
[ 1060.105930][   T72]      netlink_unicast+0x449/0x710
[ 1060.105930][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1060.105930][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.105930][   T72]      ___sys_sendmsg+0xee/0x170
[ 1060.105930][   T72]      __sys_sendmsg+0xcd/0x170
[ 1060.105930][   T72]      do_syscall_64+0xc6/0x1e0
[ 1060.105930][   T72] 
[ 1060.107920][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1060.107920][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1060.107920][   T72]      ipv6_find_idev+0x102/0x170
[ 1060.107920][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1060.107920][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.107920][   T72]      netlink_rcv_skb+0x130/0x360
[ 1060.107920][   T72]      netlink_unicast+0x449/0x710
[ 1060.107920][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1060.107920][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.107920][   T72]      ___sys_sendmsg+0xee/0x170
[ 1060.107920][   T72]      __sys_sendmsg+0xcd/0x170
[ 1060.107920][   T72]      do_syscall_64+0xc6/0x1e0
[ 1060.107920][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.107920][   T72] 
[ 1060.109475][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1060.109475][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1060.109475][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1060.109475][   T72]      ipv6_find_idev+0x102/0x170
[ 1060.109475][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1060.109475][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1060.109475][   T72]      netlink_rcv_skb+0x130/0x360
[ 1060.109475][   T72]      netlink_unicast+0x449/0x710
[ 1060.109475][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1060.109475][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1060.109475][   T72]      ___sys_sendmsg+0xee/0x170
[ 1060.109475][   T72]      __sys_sendmsg+0xcd/0x170
[ 1060.109475][   T72]      do_syscall_64+0xc6/0x1e0
[ 1060.109475][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1060.109475][   T72] 
[ 1070.351805][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1070.352278][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1070.352278][   T72]      netdev_get_by_index+0x5e/0x80
[ 1070.352278][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1070.352278][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1070.352278][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1070.352278][   T72]      ipv6_add_addr+0x411/0x2000
[ 1070.352278][   T72]      inet6_addr_add+0x30e/0xa40
[ 1070.352278][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1070.352278][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.352278][   T72]      netlink_rcv_skb+0x130/0x360
[ 1070.352278][   T72]      netlink_unicast+0x449/0x710
[ 1070.352278][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1070.352278][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.352278][   T72]      ___sys_sendmsg+0xee/0x170
[ 1070.352278][   T72]      __sys_sendmsg+0xcd/0x170
[ 1070.352278][   T72]      do_syscall_64+0xc6/0x1e0
[ 1070.352278][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.352278][   T72] 
[ 1070.354337][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1070.354337][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1070.354337][   T72]      ipv6_find_idev+0x102/0x170
[ 1070.354337][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1070.354337][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.354337][   T72]      netlink_rcv_skb+0x130/0x360
[ 1070.354337][   T72]      netlink_unicast+0x449/0x710
[ 1070.354337][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1070.354337][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.354337][   T72]      ___sys_sendmsg+0xee/0x170
[ 1070.354337][   T72]      __sys_sendmsg+0xcd/0x170
[ 1070.354337][   T72]      do_syscall_64+0xc6/0x1e0
[ 1070.354337][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.354337][   T72] 
[ 1070.355906][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1070.355906][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1070.355906][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1070.355906][   T72]      ipv6_find_idev+0x102/0x170
[ 1070.355906][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1070.355906][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.355906][   T72]      netlink_rcv_skb+0x130/0x360
[ 1070.355906][   T72]      netlink_unicast+0x449/0x710
[ 1070.355906][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1070.355906][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.355906][   T72]      ___sys_sendmsg+0xee/0x170
[ 1070.355906][   T72]      __sys_sendmsg+0xcd/0x170
[ 1070.355906][   T72]      do_syscall_64+0xc6/0x1e0
[ 1070.355906][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.355906][   T72] 
[ 1070.357623][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1070.357882][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1070.357882][   T72]      netdev_get_by_index+0x5e/0x80
[ 1070.357882][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1070.357882][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1070.357882][   T72]      ip6_route_add+0x1c/0x140
[ 1070.357882][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1070.357882][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1070.357882][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1070.357882][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.357882][   T72]      netlink_rcv_skb+0x130/0x360
[ 1070.357882][   T72]      netlink_unicast+0x449/0x710
[ 1070.357882][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1070.357882][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.357882][   T72]      ___sys_sendmsg+0xee/0x170
[ 1070.357882][   T72]      __sys_sendmsg+0xcd/0x170
[ 1070.357882][   T72]      do_syscall_64+0xc6/0x1e0
[ 1070.357882][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.357882][   T72] 
[ 1070.359954][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1070.359954][   T72]      netdev_get_by_index+0x5e/0x80
[ 1070.359954][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1070.359954][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1070.359954][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1070.359954][   T72]      ipv6_add_addr+0x411/0x2000
[ 1070.359954][   T72]      inet6_addr_add+0x30e/0xa40
[ 1070.359954][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1070.359954][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.359954][   T72]      netlink_rcv_skb+0x130/0x360
[ 1070.359954][   T72]      netlink_unicast+0x449/0x710
[ 1070.359954][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1070.359954][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.359954][   T72]      ___sys_sendmsg+0xee/0x170
[ 1070.359954][   T72]      __sys_sendmsg+0xcd/0x170
[ 1070.359954][   T72]      do_syscall_64+0xc6/0x1e0
[ 1070.359954][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.359954][   T72] 
[ 1070.362024][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1070.362024][   T72]      netdev_get_by_index+0x5e/0x80
[ 1070.362024][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1070.362024][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1070.362024][   T72]      ip6_route_add+0x1c/0x140
[ 1070.362024][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1070.362024][   T72]      addrconf_add_dev+0xe2/0x170
[ 1070.362024][   T72]      inet6_addr_add+0x12f/0xa40
[ 1070.362024][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1070.362024][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.362024][   T72]      netlink_rcv_skb+0x130/0x360
[ 1070.362024][   T72]      netlink_unicast+0x449/0x710
[ 1070.362024][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1070.362024][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.362024][   T72]      ___sys_sendmsg+0xee/0x170
[ 1070.362024][   T72]      __sys_sendmsg+0xcd/0x170
[ 1070.362024][   T72]      do_syscall_64+0xc6/0x1e0
[ 1070.362024][   T72] 
[ 1070.364009][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1070.364009][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1070.364009][   T72]      ipv6_find_idev+0x102/0x170
[ 1070.364009][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1070.364009][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.364009][   T72]      netlink_rcv_skb+0x130/0x360
[ 1070.364009][   T72]      netlink_unicast+0x449/0x710
[ 1070.364009][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1070.364009][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.364009][   T72]      ___sys_sendmsg+0xee/0x170
[ 1070.364009][   T72]      __sys_sendmsg+0xcd/0x170
[ 1070.364009][   T72]      do_syscall_64+0xc6/0x1e0
[ 1070.364009][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.364009][   T72] 
[ 1070.365563][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1070.365563][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1070.365563][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1070.365563][   T72]      ipv6_find_idev+0x102/0x170
[ 1070.365563][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1070.365563][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1070.365563][   T72]      netlink_rcv_skb+0x130/0x360
[ 1070.365563][   T72]      netlink_unicast+0x449/0x710
[ 1070.365563][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1070.365563][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1070.365563][   T72]      ___sys_sendmsg+0xee/0x170
[ 1070.365563][   T72]      __sys_sendmsg+0xcd/0x170
[ 1070.365563][   T72]      do_syscall_64+0xc6/0x1e0
[ 1070.365563][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1070.365563][   T72] 
[ 1080.607795][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1080.608267][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1080.608267][   T72]      netdev_get_by_index+0x5e/0x80
[ 1080.608267][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1080.608267][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1080.608267][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1080.608267][   T72]      ipv6_add_addr+0x411/0x2000
[ 1080.608267][   T72]      inet6_addr_add+0x30e/0xa40
[ 1080.608267][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1080.608267][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.608267][   T72]      netlink_rcv_skb+0x130/0x360
[ 1080.608267][   T72]      netlink_unicast+0x449/0x710
[ 1080.608267][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1080.608267][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.608267][   T72]      ___sys_sendmsg+0xee/0x170
[ 1080.608267][   T72]      __sys_sendmsg+0xcd/0x170
[ 1080.608267][   T72]      do_syscall_64+0xc6/0x1e0
[ 1080.608267][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.608267][   T72] 
[ 1080.610323][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1080.610323][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1080.610323][   T72]      ipv6_find_idev+0x102/0x170
[ 1080.610323][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1080.610323][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.610323][   T72]      netlink_rcv_skb+0x130/0x360
[ 1080.610323][   T72]      netlink_unicast+0x449/0x710
[ 1080.610323][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1080.610323][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.610323][   T72]      ___sys_sendmsg+0xee/0x170
[ 1080.610323][   T72]      __sys_sendmsg+0xcd/0x170
[ 1080.610323][   T72]      do_syscall_64+0xc6/0x1e0
[ 1080.610323][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.610323][   T72] 
[ 1080.611886][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1080.611886][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1080.611886][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1080.611886][   T72]      ipv6_find_idev+0x102/0x170
[ 1080.611886][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1080.611886][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.611886][   T72]      netlink_rcv_skb+0x130/0x360
[ 1080.611886][   T72]      netlink_unicast+0x449/0x710
[ 1080.611886][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1080.611886][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.611886][   T72]      ___sys_sendmsg+0xee/0x170
[ 1080.611886][   T72]      __sys_sendmsg+0xcd/0x170
[ 1080.611886][   T72]      do_syscall_64+0xc6/0x1e0
[ 1080.611886][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.611886][   T72] 
[ 1080.613593][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1080.613855][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1080.613855][   T72]      netdev_get_by_index+0x5e/0x80
[ 1080.613855][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1080.613855][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1080.613855][   T72]      ip6_route_add+0x1c/0x140
[ 1080.613855][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1080.613855][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1080.613855][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1080.613855][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.613855][   T72]      netlink_rcv_skb+0x130/0x360
[ 1080.613855][   T72]      netlink_unicast+0x449/0x710
[ 1080.613855][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1080.613855][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.613855][   T72]      ___sys_sendmsg+0xee/0x170
[ 1080.613855][   T72]      __sys_sendmsg+0xcd/0x170
[ 1080.613855][   T72]      do_syscall_64+0xc6/0x1e0
[ 1080.613855][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.613855][   T72] 
[ 1080.616561][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1080.616561][   T72]      netdev_get_by_index+0x5e/0x80
[ 1080.616561][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1080.616561][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1080.616561][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1080.616561][   T72]      ipv6_add_addr+0x411/0x2000
[ 1080.616561][   T72]      inet6_addr_add+0x30e/0xa40
[ 1080.616561][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1080.616561][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.616561][   T72]      netlink_rcv_skb+0x130/0x360
[ 1080.616561][   T72]      netlink_unicast+0x449/0x710
[ 1080.616561][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1080.616561][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.616561][   T72]      ___sys_sendmsg+0xee/0x170
[ 1080.616561][   T72]      __sys_sendmsg+0xcd/0x170
[ 1080.616561][   T72]      do_syscall_64+0xc6/0x1e0
[ 1080.616561][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.616561][   T72] 
[ 1080.619561][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1080.619561][   T72]      netdev_get_by_index+0x5e/0x80
[ 1080.619561][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1080.619561][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1080.619561][   T72]      ip6_route_add+0x1c/0x140
[ 1080.619561][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1080.619561][   T72]      addrconf_add_dev+0xe2/0x170
[ 1080.619561][   T72]      inet6_addr_add+0x12f/0xa40
[ 1080.619561][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1080.619561][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.619561][   T72]      netlink_rcv_skb+0x130/0x360
[ 1080.619561][   T72]      netlink_unicast+0x449/0x710
[ 1080.619561][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1080.619561][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.619561][   T72]      ___sys_sendmsg+0xee/0x170
[ 1080.619561][   T72]      __sys_sendmsg+0xcd/0x170
[ 1080.619561][   T72]      do_syscall_64+0xc6/0x1e0
[ 1080.619561][   T72] 
[ 1080.622473][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1080.622473][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1080.622473][   T72]      ipv6_find_idev+0x102/0x170
[ 1080.622473][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1080.622473][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.622473][   T72]      netlink_rcv_skb+0x130/0x360
[ 1080.622473][   T72]      netlink_unicast+0x449/0x710
[ 1080.622473][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1080.622473][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.622473][   T72]      ___sys_sendmsg+0xee/0x170
[ 1080.622473][   T72]      __sys_sendmsg+0xcd/0x170
[ 1080.622473][   T72]      do_syscall_64+0xc6/0x1e0
[ 1080.622473][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.622473][   T72] 
[ 1080.624702][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1080.624702][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1080.624702][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1080.624702][   T72]      ipv6_find_idev+0x102/0x170
[ 1080.624702][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1080.624702][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1080.624702][   T72]      netlink_rcv_skb+0x130/0x360
[ 1080.624702][   T72]      netlink_unicast+0x449/0x710
[ 1080.624702][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1080.624702][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1080.624702][   T72]      ___sys_sendmsg+0xee/0x170
[ 1080.624702][   T72]      __sys_sendmsg+0xcd/0x170
[ 1080.624702][   T72]      do_syscall_64+0xc6/0x1e0
[ 1080.624702][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1080.624702][   T72] 
[ 1090.863796][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1090.864272][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1090.864272][   T72]      netdev_get_by_index+0x5e/0x80
[ 1090.864272][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1090.864272][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1090.864272][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1090.864272][   T72]      ipv6_add_addr+0x411/0x2000
[ 1090.864272][   T72]      inet6_addr_add+0x30e/0xa40
[ 1090.864272][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1090.864272][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.864272][   T72]      netlink_rcv_skb+0x130/0x360
[ 1090.864272][   T72]      netlink_unicast+0x449/0x710
[ 1090.864272][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1090.864272][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.864272][   T72]      ___sys_sendmsg+0xee/0x170
[ 1090.864272][   T72]      __sys_sendmsg+0xcd/0x170
[ 1090.864272][   T72]      do_syscall_64+0xc6/0x1e0
[ 1090.864272][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.864272][   T72] 
[ 1090.866339][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1090.866339][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1090.866339][   T72]      ipv6_find_idev+0x102/0x170
[ 1090.866339][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1090.866339][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.866339][   T72]      netlink_rcv_skb+0x130/0x360
[ 1090.866339][   T72]      netlink_unicast+0x449/0x710
[ 1090.866339][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1090.866339][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.866339][   T72]      ___sys_sendmsg+0xee/0x170
[ 1090.866339][   T72]      __sys_sendmsg+0xcd/0x170
[ 1090.866339][   T72]      do_syscall_64+0xc6/0x1e0
[ 1090.866339][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.866339][   T72] 
[ 1090.867900][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1090.867900][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1090.867900][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1090.867900][   T72]      ipv6_find_idev+0x102/0x170
[ 1090.867900][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1090.867900][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.867900][   T72]      netlink_rcv_skb+0x130/0x360
[ 1090.867900][   T72]      netlink_unicast+0x449/0x710
[ 1090.867900][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1090.867900][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.867900][   T72]      ___sys_sendmsg+0xee/0x170
[ 1090.867900][   T72]      __sys_sendmsg+0xcd/0x170
[ 1090.867900][   T72]      do_syscall_64+0xc6/0x1e0
[ 1090.867900][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.867900][   T72] 
[ 1090.869607][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1090.869865][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1090.869865][   T72]      netdev_get_by_index+0x5e/0x80
[ 1090.869865][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1090.869865][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1090.869865][   T72]      ip6_route_add+0x1c/0x140
[ 1090.869865][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1090.869865][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1090.869865][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1090.869865][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.869865][   T72]      netlink_rcv_skb+0x130/0x360
[ 1090.869865][   T72]      netlink_unicast+0x449/0x710
[ 1090.869865][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1090.869865][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.869865][   T72]      ___sys_sendmsg+0xee/0x170
[ 1090.869865][   T72]      __sys_sendmsg+0xcd/0x170
[ 1090.869865][   T72]      do_syscall_64+0xc6/0x1e0
[ 1090.869865][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.869865][   T72] 
[ 1090.871956][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1090.871956][   T72]      netdev_get_by_index+0x5e/0x80
[ 1090.871956][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1090.871956][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1090.871956][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1090.871956][   T72]      ipv6_add_addr+0x411/0x2000
[ 1090.871956][   T72]      inet6_addr_add+0x30e/0xa40
[ 1090.871956][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1090.871956][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.871956][   T72]      netlink_rcv_skb+0x130/0x360
[ 1090.871956][   T72]      netlink_unicast+0x449/0x710
[ 1090.871956][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1090.871956][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.871956][   T72]      ___sys_sendmsg+0xee/0x170
[ 1090.871956][   T72]      __sys_sendmsg+0xcd/0x170
[ 1090.871956][   T72]      do_syscall_64+0xc6/0x1e0
[ 1090.871956][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.871956][   T72] 
[ 1090.874232][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1090.874232][   T72]      netdev_get_by_index+0x5e/0x80
[ 1090.874232][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1090.874232][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1090.874232][   T72]      ip6_route_add+0x1c/0x140
[ 1090.874232][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1090.874232][   T72]      addrconf_add_dev+0xe2/0x170
[ 1090.874232][   T72]      inet6_addr_add+0x12f/0xa40
[ 1090.874232][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1090.874232][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.874232][   T72]      netlink_rcv_skb+0x130/0x360
[ 1090.874232][   T72]      netlink_unicast+0x449/0x710
[ 1090.874232][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1090.874232][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.874232][   T72]      ___sys_sendmsg+0xee/0x170
[ 1090.874232][   T72]      __sys_sendmsg+0xcd/0x170
[ 1090.874232][   T72]      do_syscall_64+0xc6/0x1e0
[ 1090.874232][   T72] 
[ 1090.876983][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1090.876983][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1090.876983][   T72]      ipv6_find_idev+0x102/0x170
[ 1090.876983][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1090.876983][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.876983][   T72]      netlink_rcv_skb+0x130/0x360
[ 1090.876983][   T72]      netlink_unicast+0x449/0x710
[ 1090.876983][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1090.876983][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.876983][   T72]      ___sys_sendmsg+0xee/0x170
[ 1090.876983][   T72]      __sys_sendmsg+0xcd/0x170
[ 1090.876983][   T72]      do_syscall_64+0xc6/0x1e0
[ 1090.876983][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.876983][   T72] 
[ 1090.879028][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1090.879028][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1090.879028][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1090.879028][   T72]      ipv6_find_idev+0x102/0x170
[ 1090.879028][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1090.879028][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1090.879028][   T72]      netlink_rcv_skb+0x130/0x360
[ 1090.879028][   T72]      netlink_unicast+0x449/0x710
[ 1090.879028][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1090.879028][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1090.879028][   T72]      ___sys_sendmsg+0xee/0x170
[ 1090.879028][   T72]      __sys_sendmsg+0xcd/0x170
[ 1090.879028][   T72]      do_syscall_64+0xc6/0x1e0
[ 1090.879028][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1090.879028][   T72] 
[ 1100.943802][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1100.944281][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1100.944281][   T72]      netdev_get_by_index+0x5e/0x80
[ 1100.944281][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1100.944281][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1100.944281][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1100.944281][   T72]      ipv6_add_addr+0x411/0x2000
[ 1100.944281][   T72]      inet6_addr_add+0x30e/0xa40
[ 1100.944281][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1100.944281][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.944281][   T72]      netlink_rcv_skb+0x130/0x360
[ 1100.944281][   T72]      netlink_unicast+0x449/0x710
[ 1100.944281][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1100.944281][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.944281][   T72]      ___sys_sendmsg+0xee/0x170
[ 1100.944281][   T72]      __sys_sendmsg+0xcd/0x170
[ 1100.944281][   T72]      do_syscall_64+0xc6/0x1e0
[ 1100.944281][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.944281][   T72] 
[ 1100.946362][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1100.946362][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1100.946362][   T72]      ipv6_find_idev+0x102/0x170
[ 1100.946362][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1100.946362][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.946362][   T72]      netlink_rcv_skb+0x130/0x360
[ 1100.946362][   T72]      netlink_unicast+0x449/0x710
[ 1100.946362][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1100.946362][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.946362][   T72]      ___sys_sendmsg+0xee/0x170
[ 1100.946362][   T72]      __sys_sendmsg+0xcd/0x170
[ 1100.946362][   T72]      do_syscall_64+0xc6/0x1e0
[ 1100.946362][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.946362][   T72] 
[ 1100.947942][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1100.947942][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1100.947942][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1100.947942][   T72]      ipv6_find_idev+0x102/0x170
[ 1100.947942][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1100.947942][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.947942][   T72]      netlink_rcv_skb+0x130/0x360
[ 1100.947942][   T72]      netlink_unicast+0x449/0x710
[ 1100.947942][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1100.947942][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.947942][   T72]      ___sys_sendmsg+0xee/0x170
[ 1100.947942][   T72]      __sys_sendmsg+0xcd/0x170
[ 1100.947942][   T72]      do_syscall_64+0xc6/0x1e0
[ 1100.947942][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.947942][   T72] 
[ 1100.949657][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1100.949913][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1100.949913][   T72]      netdev_get_by_index+0x5e/0x80
[ 1100.949913][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1100.949913][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1100.949913][   T72]      ip6_route_add+0x1c/0x140
[ 1100.949913][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1100.949913][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1100.949913][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1100.949913][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.949913][   T72]      netlink_rcv_skb+0x130/0x360
[ 1100.949913][   T72]      netlink_unicast+0x449/0x710
[ 1100.949913][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1100.949913][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.949913][   T72]      ___sys_sendmsg+0xee/0x170
[ 1100.949913][   T72]      __sys_sendmsg+0xcd/0x170
[ 1100.949913][   T72]      do_syscall_64+0xc6/0x1e0
[ 1100.949913][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.949913][   T72] 
[ 1100.951941][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1100.951941][   T72]      netdev_get_by_index+0x5e/0x80
[ 1100.951941][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1100.951941][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1100.951941][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1100.951941][   T72]      ipv6_add_addr+0x411/0x2000
[ 1100.951941][   T72]      inet6_addr_add+0x30e/0xa40
[ 1100.951941][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1100.951941][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.951941][   T72]      netlink_rcv_skb+0x130/0x360
[ 1100.951941][   T72]      netlink_unicast+0x449/0x710
[ 1100.951941][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1100.951941][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.951941][   T72]      ___sys_sendmsg+0xee/0x170
[ 1100.951941][   T72]      __sys_sendmsg+0xcd/0x170
[ 1100.951941][   T72]      do_syscall_64+0xc6/0x1e0
[ 1100.951941][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.951941][   T72] 
[ 1100.953961][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1100.953961][   T72]      netdev_get_by_index+0x5e/0x80
[ 1100.953961][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1100.953961][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1100.953961][   T72]      ip6_route_add+0x1c/0x140
[ 1100.953961][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1100.953961][   T72]      addrconf_add_dev+0xe2/0x170
[ 1100.953961][   T72]      inet6_addr_add+0x12f/0xa40
[ 1100.953961][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1100.953961][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.953961][   T72]      netlink_rcv_skb+0x130/0x360
[ 1100.953961][   T72]      netlink_unicast+0x449/0x710
[ 1100.953961][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1100.953961][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.953961][   T72]      ___sys_sendmsg+0xee/0x170
[ 1100.953961][   T72]      __sys_sendmsg+0xcd/0x170
[ 1100.953961][   T72]      do_syscall_64+0xc6/0x1e0
[ 1100.953961][   T72] 
[ 1100.955966][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1100.955966][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1100.955966][   T72]      ipv6_find_idev+0x102/0x170
[ 1100.955966][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1100.955966][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.955966][   T72]      netlink_rcv_skb+0x130/0x360
[ 1100.955966][   T72]      netlink_unicast+0x449/0x710
[ 1100.955966][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1100.955966][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.955966][   T72]      ___sys_sendmsg+0xee/0x170
[ 1100.955966][   T72]      __sys_sendmsg+0xcd/0x170
[ 1100.955966][   T72]      do_syscall_64+0xc6/0x1e0
[ 1100.955966][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.955966][   T72] 
[ 1100.957521][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1100.957521][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1100.957521][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1100.957521][   T72]      ipv6_find_idev+0x102/0x170
[ 1100.957521][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1100.957521][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1100.957521][   T72]      netlink_rcv_skb+0x130/0x360
[ 1100.957521][   T72]      netlink_unicast+0x449/0x710
[ 1100.957521][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1100.957521][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1100.957521][   T72]      ___sys_sendmsg+0xee/0x170
[ 1100.957521][   T72]      __sys_sendmsg+0xcd/0x170
[ 1100.957521][   T72]      do_syscall_64+0xc6/0x1e0
[ 1100.957521][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1100.957521][   T72] 
[ 1107.239894][   T42] INFO: task modprobe:456 blocked for more than 983 seconds.
[ 1107.240253][   T42]       Not tainted 6.8.0-virtme #1
[ 1107.240373][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1107.240593][   T42] task:modprobe        state:D stack:25648 pid:456   tgid:456   ppid:39     flags:0x00004002
[ 1107.240872][   T42] Call Trace:
[ 1107.240969][   T42]  <TASK>
[ 1107.241042][   T42]  __schedule+0x705/0x1ac0
[ 1107.241181][   T42]  ? __pfx___schedule+0x10/0x10
[ 1107.241310][   T42]  ? schedule+0x1a5/0x210
[ 1107.241411][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1107.241543][   T42]  ? mark_lock+0x38/0x3e0
[ 1107.241638][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1107.241782][   T42]  ? schedule+0x1a5/0x210
[ 1107.241885][   T42]  schedule+0xdf/0x210
[ 1107.241980][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1107.242107][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1107.242237][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1107.242397][   T42]  ? kasan_save_stack+0x34/0x50
[ 1107.242532][   T42]  ? kasan_save_stack+0x24/0x50
[ 1107.242657][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1107.242795][   T42]  ? lock_acquire+0x1c1/0x220
[ 1107.242921][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1107.243056][   T42]  down_write+0x1c9/0x200
[ 1107.243153][   T42]  ? __pfx_down_write+0x10/0x10
[ 1107.243276][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1107.243407][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 1107.243604][   T42]  register_pernet_subsys+0x1a/0x50
[ 1107.243731][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 1107.243922][   T42]  do_one_initcall+0xc8/0x3f0
[ 1107.244049][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1107.244179][   T42]  ? __create_object+0x5e/0xb0
[ 1107.244308][   T42]  ? kasan_unpoison+0x27/0x60
[ 1107.244437][   T42]  do_init_module+0x233/0x740
[ 1107.244578][   T42]  load_module+0x16b5/0x2350
[ 1107.244716][   T42]  ? __pfx_load_module+0x10/0x10
[ 1107.244858][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1107.244989][   T42]  ? kernel_read_file+0x300/0x520
[ 1107.245116][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1107.245250][   T42]  ? init_module_from_file+0xd2/0x130
[ 1107.245372][   T42]  init_module_from_file+0xd2/0x130
[ 1107.245499][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1107.245655][   T42]  ? __lock_release+0x103/0x460
[ 1107.245789][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1107.245932][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1107.246057][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1107.246185][   T42]  idempotent_init_module+0x342/0x620
[ 1107.246314][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1107.246490][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1107.246620][   T42]  do_syscall_64+0xc6/0x1e0
[ 1107.246749][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1107.246916][   T42] RIP: 0033:0x7f93cc153e5d
[ 1107.247047][   T42] RSP: 002b:00007fff97ff1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1107.247235][   T42] RAX: ffffffffffffffda RBX: 0000557c14f43e90 RCX: 00007f93cc153e5d
[ 1107.247418][   T42] RDX: 0000000000000000 RSI: 0000557bf5357a2a RDI: 0000000000000001
[ 1107.247606][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557c14f444f0
[ 1107.247798][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bf5357a2a
[ 1107.247986][   T42] R13: 0000557c14f43e40 R14: 0000557c14f44570 R15: 0000000000000000
[ 1107.248183][   T42]  </TASK>
[ 1107.248277][   T42] 
[ 1107.248277][   T42] Showing all locks held in the system:
[ 1107.248455][   T42] 2 locks held by kworker/u20:0/39:
[ 1107.248581][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1107.248854][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1107.249138][   T42] 1 lock held by khungtaskd/42:
[ 1107.249256][   T42]  #0: ffffffffa85591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1107.249484][   T42] 3 locks held by kworker/u16:1/72:
[ 1107.249604][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1107.249859][   T42]  #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1107.250077][   T42]  #2: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1107.250302][   T42] 1 lock held by modprobe/456:
[ 1107.250422][   T42]  #0: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1107.250670][   T42] 
[ 1107.250730][   T42] =============================================
[ 1107.250730][   T42] 
[ 1111.199808][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1111.200273][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1111.200273][   T72]      netdev_get_by_index+0x5e/0x80
[ 1111.200273][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1111.200273][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1111.200273][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1111.200273][   T72]      ipv6_add_addr+0x411/0x2000
[ 1111.200273][   T72]      inet6_addr_add+0x30e/0xa40
[ 1111.200273][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1111.200273][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.200273][   T72]      netlink_rcv_skb+0x130/0x360
[ 1111.200273][   T72]      netlink_unicast+0x449/0x710
[ 1111.200273][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1111.200273][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.200273][   T72]      ___sys_sendmsg+0xee/0x170
[ 1111.200273][   T72]      __sys_sendmsg+0xcd/0x170
[ 1111.200273][   T72]      do_syscall_64+0xc6/0x1e0
[ 1111.200273][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.200273][   T72] 
[ 1111.202337][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1111.202337][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1111.202337][   T72]      ipv6_find_idev+0x102/0x170
[ 1111.202337][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1111.202337][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.202337][   T72]      netlink_rcv_skb+0x130/0x360
[ 1111.202337][   T72]      netlink_unicast+0x449/0x710
[ 1111.202337][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1111.202337][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.202337][   T72]      ___sys_sendmsg+0xee/0x170
[ 1111.202337][   T72]      __sys_sendmsg+0xcd/0x170
[ 1111.202337][   T72]      do_syscall_64+0xc6/0x1e0
[ 1111.202337][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.202337][   T72] 
[ 1111.203898][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1111.203898][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1111.203898][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1111.203898][   T72]      ipv6_find_idev+0x102/0x170
[ 1111.203898][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1111.203898][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.203898][   T72]      netlink_rcv_skb+0x130/0x360
[ 1111.203898][   T72]      netlink_unicast+0x449/0x710
[ 1111.203898][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1111.203898][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.203898][   T72]      ___sys_sendmsg+0xee/0x170
[ 1111.203898][   T72]      __sys_sendmsg+0xcd/0x170
[ 1111.203898][   T72]      do_syscall_64+0xc6/0x1e0
[ 1111.203898][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.203898][   T72] 
[ 1111.205598][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1111.205861][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1111.205861][   T72]      netdev_get_by_index+0x5e/0x80
[ 1111.205861][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1111.205861][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1111.205861][   T72]      ip6_route_add+0x1c/0x140
[ 1111.205861][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1111.205861][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1111.205861][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1111.205861][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.205861][   T72]      netlink_rcv_skb+0x130/0x360
[ 1111.205861][   T72]      netlink_unicast+0x449/0x710
[ 1111.205861][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1111.205861][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.205861][   T72]      ___sys_sendmsg+0xee/0x170
[ 1111.205861][   T72]      __sys_sendmsg+0xcd/0x170
[ 1111.205861][   T72]      do_syscall_64+0xc6/0x1e0
[ 1111.205861][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.205861][   T72] 
[ 1111.207887][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1111.207887][   T72]      netdev_get_by_index+0x5e/0x80
[ 1111.207887][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1111.207887][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1111.207887][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1111.207887][   T72]      ipv6_add_addr+0x411/0x2000
[ 1111.207887][   T72]      inet6_addr_add+0x30e/0xa40
[ 1111.207887][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1111.207887][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.207887][   T72]      netlink_rcv_skb+0x130/0x360
[ 1111.207887][   T72]      netlink_unicast+0x449/0x710
[ 1111.207887][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1111.207887][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.207887][   T72]      ___sys_sendmsg+0xee/0x170
[ 1111.207887][   T72]      __sys_sendmsg+0xcd/0x170
[ 1111.207887][   T72]      do_syscall_64+0xc6/0x1e0
[ 1111.207887][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.207887][   T72] 
[ 1111.209906][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1111.209906][   T72]      netdev_get_by_index+0x5e/0x80
[ 1111.209906][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1111.209906][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1111.209906][   T72]      ip6_route_add+0x1c/0x140
[ 1111.209906][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1111.209906][   T72]      addrconf_add_dev+0xe2/0x170
[ 1111.209906][   T72]      inet6_addr_add+0x12f/0xa40
[ 1111.209906][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1111.209906][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.209906][   T72]      netlink_rcv_skb+0x130/0x360
[ 1111.209906][   T72]      netlink_unicast+0x449/0x710
[ 1111.209906][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1111.209906][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.209906][   T72]      ___sys_sendmsg+0xee/0x170
[ 1111.209906][   T72]      __sys_sendmsg+0xcd/0x170
[ 1111.209906][   T72]      do_syscall_64+0xc6/0x1e0
[ 1111.209906][   T72] 
[ 1111.211884][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1111.211884][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1111.211884][   T72]      ipv6_find_idev+0x102/0x170
[ 1111.211884][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1111.211884][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.211884][   T72]      netlink_rcv_skb+0x130/0x360
[ 1111.211884][   T72]      netlink_unicast+0x449/0x710
[ 1111.211884][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1111.211884][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.211884][   T72]      ___sys_sendmsg+0xee/0x170
[ 1111.211884][   T72]      __sys_sendmsg+0xcd/0x170
[ 1111.211884][   T72]      do_syscall_64+0xc6/0x1e0
[ 1111.211884][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.211884][   T72] 
[ 1111.213456][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1111.213456][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1111.213456][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1111.213456][   T72]      ipv6_find_idev+0x102/0x170
[ 1111.213456][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1111.213456][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1111.213456][   T72]      netlink_rcv_skb+0x130/0x360
[ 1111.213456][   T72]      netlink_unicast+0x449/0x710
[ 1111.213456][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1111.213456][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1111.213456][   T72]      ___sys_sendmsg+0xee/0x170
[ 1111.213456][   T72]      __sys_sendmsg+0xcd/0x170
[ 1111.213456][   T72]      do_syscall_64+0xc6/0x1e0
[ 1111.213456][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1111.213456][   T72] 
[ 1121.455818][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1121.456289][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1121.456289][   T72]      netdev_get_by_index+0x5e/0x80
[ 1121.456289][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1121.456289][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1121.456289][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1121.456289][   T72]      ipv6_add_addr+0x411/0x2000
[ 1121.456289][   T72]      inet6_addr_add+0x30e/0xa40
[ 1121.456289][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1121.456289][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.456289][   T72]      netlink_rcv_skb+0x130/0x360
[ 1121.456289][   T72]      netlink_unicast+0x449/0x710
[ 1121.456289][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1121.456289][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.456289][   T72]      ___sys_sendmsg+0xee/0x170
[ 1121.456289][   T72]      __sys_sendmsg+0xcd/0x170
[ 1121.456289][   T72]      do_syscall_64+0xc6/0x1e0
[ 1121.456289][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.456289][   T72] 
[ 1121.458346][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1121.458346][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1121.458346][   T72]      ipv6_find_idev+0x102/0x170
[ 1121.458346][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1121.458346][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.458346][   T72]      netlink_rcv_skb+0x130/0x360
[ 1121.458346][   T72]      netlink_unicast+0x449/0x710
[ 1121.458346][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1121.458346][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.458346][   T72]      ___sys_sendmsg+0xee/0x170
[ 1121.458346][   T72]      __sys_sendmsg+0xcd/0x170
[ 1121.458346][   T72]      do_syscall_64+0xc6/0x1e0
[ 1121.458346][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.458346][   T72] 
[ 1121.459903][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1121.459903][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1121.459903][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1121.459903][   T72]      ipv6_find_idev+0x102/0x170
[ 1121.459903][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1121.459903][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.459903][   T72]      netlink_rcv_skb+0x130/0x360
[ 1121.459903][   T72]      netlink_unicast+0x449/0x710
[ 1121.459903][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1121.459903][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.459903][   T72]      ___sys_sendmsg+0xee/0x170
[ 1121.459903][   T72]      __sys_sendmsg+0xcd/0x170
[ 1121.459903][   T72]      do_syscall_64+0xc6/0x1e0
[ 1121.459903][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.459903][   T72] 
[ 1121.461602][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1121.461857][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1121.461857][   T72]      netdev_get_by_index+0x5e/0x80
[ 1121.461857][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1121.461857][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1121.461857][   T72]      ip6_route_add+0x1c/0x140
[ 1121.461857][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1121.461857][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1121.461857][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1121.461857][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.461857][   T72]      netlink_rcv_skb+0x130/0x360
[ 1121.461857][   T72]      netlink_unicast+0x449/0x710
[ 1121.461857][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1121.461857][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.461857][   T72]      ___sys_sendmsg+0xee/0x170
[ 1121.461857][   T72]      __sys_sendmsg+0xcd/0x170
[ 1121.461857][   T72]      do_syscall_64+0xc6/0x1e0
[ 1121.461857][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.461857][   T72] 
[ 1121.464021][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1121.464021][   T72]      netdev_get_by_index+0x5e/0x80
[ 1121.464021][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1121.464021][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1121.464021][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1121.464021][   T72]      ipv6_add_addr+0x411/0x2000
[ 1121.464021][   T72]      inet6_addr_add+0x30e/0xa40
[ 1121.464021][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1121.464021][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.464021][   T72]      netlink_rcv_skb+0x130/0x360
[ 1121.464021][   T72]      netlink_unicast+0x449/0x710
[ 1121.464021][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1121.464021][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.464021][   T72]      ___sys_sendmsg+0xee/0x170
[ 1121.464021][   T72]      __sys_sendmsg+0xcd/0x170
[ 1121.464021][   T72]      do_syscall_64+0xc6/0x1e0
[ 1121.464021][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.464021][   T72] 
[ 1121.466055][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1121.466055][   T72]      netdev_get_by_index+0x5e/0x80
[ 1121.466055][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1121.466055][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1121.466055][   T72]      ip6_route_add+0x1c/0x140
[ 1121.466055][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1121.466055][   T72]      addrconf_add_dev+0xe2/0x170
[ 1121.466055][   T72]      inet6_addr_add+0x12f/0xa40
[ 1121.466055][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1121.466055][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.466055][   T72]      netlink_rcv_skb+0x130/0x360
[ 1121.466055][   T72]      netlink_unicast+0x449/0x710
[ 1121.466055][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1121.466055][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.466055][   T72]      ___sys_sendmsg+0xee/0x170
[ 1121.466055][   T72]      __sys_sendmsg+0xcd/0x170
[ 1121.466055][   T72]      do_syscall_64+0xc6/0x1e0
[ 1121.466055][   T72] 
[ 1121.468442][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1121.468442][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1121.468442][   T72]      ipv6_find_idev+0x102/0x170
[ 1121.468442][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1121.468442][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.468442][   T72]      netlink_rcv_skb+0x130/0x360
[ 1121.468442][   T72]      netlink_unicast+0x449/0x710
[ 1121.468442][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1121.468442][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.468442][   T72]      ___sys_sendmsg+0xee/0x170
[ 1121.468442][   T72]      __sys_sendmsg+0xcd/0x170
[ 1121.468442][   T72]      do_syscall_64+0xc6/0x1e0
[ 1121.468442][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.468442][   T72] 
[ 1121.470012][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1121.470012][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1121.470012][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1121.470012][   T72]      ipv6_find_idev+0x102/0x170
[ 1121.470012][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1121.470012][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1121.470012][   T72]      netlink_rcv_skb+0x130/0x360
[ 1121.470012][   T72]      netlink_unicast+0x449/0x710
[ 1121.470012][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1121.470012][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1121.470012][   T72]      ___sys_sendmsg+0xee/0x170
[ 1121.470012][   T72]      __sys_sendmsg+0xcd/0x170
[ 1121.470012][   T72]      do_syscall_64+0xc6/0x1e0
[ 1121.470012][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1121.470012][   T72] 
[ 1131.711807][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1131.712267][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1131.712267][   T72]      netdev_get_by_index+0x5e/0x80
[ 1131.712267][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1131.712267][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1131.712267][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1131.712267][   T72]      ipv6_add_addr+0x411/0x2000
[ 1131.712267][   T72]      inet6_addr_add+0x30e/0xa40
[ 1131.712267][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1131.712267][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.712267][   T72]      netlink_rcv_skb+0x130/0x360
[ 1131.712267][   T72]      netlink_unicast+0x449/0x710
[ 1131.712267][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1131.712267][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.712267][   T72]      ___sys_sendmsg+0xee/0x170
[ 1131.712267][   T72]      __sys_sendmsg+0xcd/0x170
[ 1131.712267][   T72]      do_syscall_64+0xc6/0x1e0
[ 1131.712267][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.712267][   T72] 
[ 1131.714336][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1131.714336][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1131.714336][   T72]      ipv6_find_idev+0x102/0x170
[ 1131.714336][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1131.714336][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.714336][   T72]      netlink_rcv_skb+0x130/0x360
[ 1131.714336][   T72]      netlink_unicast+0x449/0x710
[ 1131.714336][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1131.714336][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.714336][   T72]      ___sys_sendmsg+0xee/0x170
[ 1131.714336][   T72]      __sys_sendmsg+0xcd/0x170
[ 1131.714336][   T72]      do_syscall_64+0xc6/0x1e0
[ 1131.714336][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.714336][   T72] 
[ 1131.715901][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1131.715901][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1131.715901][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1131.715901][   T72]      ipv6_find_idev+0x102/0x170
[ 1131.715901][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1131.715901][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.715901][   T72]      netlink_rcv_skb+0x130/0x360
[ 1131.715901][   T72]      netlink_unicast+0x449/0x710
[ 1131.715901][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1131.715901][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.715901][   T72]      ___sys_sendmsg+0xee/0x170
[ 1131.715901][   T72]      __sys_sendmsg+0xcd/0x170
[ 1131.715901][   T72]      do_syscall_64+0xc6/0x1e0
[ 1131.715901][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.715901][   T72] 
[ 1131.717604][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1131.717878][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1131.717878][   T72]      netdev_get_by_index+0x5e/0x80
[ 1131.717878][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1131.717878][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1131.717878][   T72]      ip6_route_add+0x1c/0x140
[ 1131.717878][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1131.717878][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1131.717878][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1131.717878][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.717878][   T72]      netlink_rcv_skb+0x130/0x360
[ 1131.717878][   T72]      netlink_unicast+0x449/0x710
[ 1131.717878][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1131.717878][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.717878][   T72]      ___sys_sendmsg+0xee/0x170
[ 1131.717878][   T72]      __sys_sendmsg+0xcd/0x170
[ 1131.717878][   T72]      do_syscall_64+0xc6/0x1e0
[ 1131.717878][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.717878][   T72] 
[ 1131.719910][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1131.719910][   T72]      netdev_get_by_index+0x5e/0x80
[ 1131.719910][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1131.719910][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1131.719910][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1131.719910][   T72]      ipv6_add_addr+0x411/0x2000
[ 1131.719910][   T72]      inet6_addr_add+0x30e/0xa40
[ 1131.719910][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1131.719910][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.719910][   T72]      netlink_rcv_skb+0x130/0x360
[ 1131.719910][   T72]      netlink_unicast+0x449/0x710
[ 1131.719910][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1131.719910][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.719910][   T72]      ___sys_sendmsg+0xee/0x170
[ 1131.719910][   T72]      __sys_sendmsg+0xcd/0x170
[ 1131.719910][   T72]      do_syscall_64+0xc6/0x1e0
[ 1131.719910][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.719910][   T72] 
[ 1131.721928][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1131.721928][   T72]      netdev_get_by_index+0x5e/0x80
[ 1131.721928][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1131.721928][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1131.721928][   T72]      ip6_route_add+0x1c/0x140
[ 1131.721928][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1131.721928][   T72]      addrconf_add_dev+0xe2/0x170
[ 1131.721928][   T72]      inet6_addr_add+0x12f/0xa40
[ 1131.721928][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1131.721928][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.721928][   T72]      netlink_rcv_skb+0x130/0x360
[ 1131.721928][   T72]      netlink_unicast+0x449/0x710
[ 1131.721928][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1131.721928][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.721928][   T72]      ___sys_sendmsg+0xee/0x170
[ 1131.721928][   T72]      __sys_sendmsg+0xcd/0x170
[ 1131.721928][   T72]      do_syscall_64+0xc6/0x1e0
[ 1131.721928][   T72] 
[ 1131.723908][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1131.723908][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1131.723908][   T72]      ipv6_find_idev+0x102/0x170
[ 1131.723908][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1131.723908][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.723908][   T72]      netlink_rcv_skb+0x130/0x360
[ 1131.723908][   T72]      netlink_unicast+0x449/0x710
[ 1131.723908][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1131.723908][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.723908][   T72]      ___sys_sendmsg+0xee/0x170
[ 1131.723908][   T72]      __sys_sendmsg+0xcd/0x170
[ 1131.723908][   T72]      do_syscall_64+0xc6/0x1e0
[ 1131.723908][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.723908][   T72] 
[ 1131.725464][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1131.725464][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1131.725464][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1131.725464][   T72]      ipv6_find_idev+0x102/0x170
[ 1131.725464][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1131.725464][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1131.725464][   T72]      netlink_rcv_skb+0x130/0x360
[ 1131.725464][   T72]      netlink_unicast+0x449/0x710
[ 1131.725464][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1131.725464][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1131.725464][   T72]      ___sys_sendmsg+0xee/0x170
[ 1131.725464][   T72]      __sys_sendmsg+0xcd/0x170
[ 1131.725464][   T72]      do_syscall_64+0xc6/0x1e0
[ 1131.725464][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1131.725464][   T72] 
[ 1141.967807][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1141.968276][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1141.968276][   T72]      netdev_get_by_index+0x5e/0x80
[ 1141.968276][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1141.968276][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1141.968276][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1141.968276][   T72]      ipv6_add_addr+0x411/0x2000
[ 1141.968276][   T72]      inet6_addr_add+0x30e/0xa40
[ 1141.968276][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1141.968276][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1141.968276][   T72]      netlink_rcv_skb+0x130/0x360
[ 1141.968276][   T72]      netlink_unicast+0x449/0x710
[ 1141.968276][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1141.968276][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1141.968276][   T72]      ___sys_sendmsg+0xee/0x170
[ 1141.968276][   T72]      __sys_sendmsg+0xcd/0x170
[ 1141.968276][   T72]      do_syscall_64+0xc6/0x1e0
[ 1141.968276][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1141.968276][   T72] 
[ 1141.970331][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1141.970331][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1141.970331][   T72]      ipv6_find_idev+0x102/0x170
[ 1141.970331][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1141.970331][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1141.970331][   T72]      netlink_rcv_skb+0x130/0x360
[ 1141.970331][   T72]      netlink_unicast+0x449/0x710
[ 1141.970331][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1141.970331][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1141.970331][   T72]      ___sys_sendmsg+0xee/0x170
[ 1141.970331][   T72]      __sys_sendmsg+0xcd/0x170
[ 1141.970331][   T72]      do_syscall_64+0xc6/0x1e0
[ 1141.970331][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1141.970331][   T72] 
[ 1141.971895][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1141.971895][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1141.971895][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1141.971895][   T72]      ipv6_find_idev+0x102/0x170
[ 1141.971895][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1141.971895][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1141.971895][   T72]      netlink_rcv_skb+0x130/0x360
[ 1141.971895][   T72]      netlink_unicast+0x449/0x710
[ 1141.971895][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1141.971895][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1141.971895][   T72]      ___sys_sendmsg+0xee/0x170
[ 1141.971895][   T72]      __sys_sendmsg+0xcd/0x170
[ 1141.971895][   T72]      do_syscall_64+0xc6/0x1e0
[ 1141.971895][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1141.971895][   T72] 
[ 1141.973623][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1141.973883][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1141.973883][   T72]      netdev_get_by_index+0x5e/0x80
[ 1141.973883][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1141.973883][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1141.973883][   T72]      ip6_route_add+0x1c/0x140
[ 1141.973883][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1141.973883][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1141.973883][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1141.973883][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1141.973883][   T72]      netlink_rcv_skb+0x130/0x360
[ 1141.973883][   T72]      netlink_unicast+0x449/0x710
[ 1141.973883][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1141.973883][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1141.973883][   T72]      ___sys_sendmsg+0xee/0x170
[ 1141.973883][   T72]      __sys_sendmsg+0xcd/0x170
[ 1141.973883][   T72]      do_syscall_64+0xc6/0x1e0
[ 1141.973883][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1141.973883][   T72] 
[ 1141.975913][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1141.975913][   T72]      netdev_get_by_index+0x5e/0x80
[ 1141.975913][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1141.975913][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1141.975913][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1141.975913][   T72]      ipv6_add_addr+0x411/0x2000
[ 1141.975913][   T72]      inet6_addr_add+0x30e/0xa40
[ 1141.975913][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1141.975913][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1141.975913][   T72]      netlink_rcv_skb+0x130/0x360
[ 1141.975913][   T72]      netlink_unicast+0x449/0x710
[ 1141.975913][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1141.975913][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1141.975913][   T72]      ___sys_sendmsg+0xee/0x170
[ 1141.975913][   T72]      __sys_sendmsg+0xcd/0x170
[ 1141.975913][   T72]      do_syscall_64+0xc6/0x1e0
[ 1141.975913][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1141.975913][   T72] 
[ 1141.977933][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1141.977933][   T72]      netdev_get_by_index+0x5e/0x80
[ 1141.977933][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1141.977933][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1141.977933][   T72]      ip6_route_add+0x1c/0x140
[ 1141.977933][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1141.977933][   T72]      addrconf_add_dev+0xe2/0x170
[ 1141.977933][   T72]      inet6_addr_add+0x12f/0xa40
[ 1141.977933][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1141.977933][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1141.977933][   T72]      netlink_rcv_skb+0x130/0x360
[ 1141.977933][   T72]      netlink_unicast+0x449/0x710
[ 1141.977933][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1141.977933][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1141.977933][   T72]      ___sys_sendmsg+0xee/0x170
[ 1141.977933][   T72]      __sys_sendmsg+0xcd/0x170
[ 1141.977933][   T72]      do_syscall_64+0xc6/0x1e0
[ 1141.977933][   T72] 
[ 1141.979922][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1141.979922][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1141.979922][   T72]      ipv6_find_idev+0x102/0x170
[ 1141.979922][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1141.979922][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1141.979922][   T72]      netlink_rcv_skb+0x130/0x360
[ 1141.979922][   T72]      netlink_unicast+0x449/0x710
[ 1141.979922][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1141.979922][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1141.979922][   T72]      ___sys_sendmsg+0xee/0x170
[ 1141.979922][   T72]      __sys_sendmsg+0xcd/0x170
[ 1141.979922][   T72]      do_syscall_64+0xc6/0x1e0
[ 1141.979922][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1141.979922][   T72] 
[ 1141.981482][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1141.981482][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1141.981482][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1141.981482][   T72]      ipv6_find_idev+0x102/0x170
[ 1141.981482][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1141.981482][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1141.981482][   T72]      netlink_rcv_skb+0x130/0x360
[ 1141.981482][   T72]      netlink_unicast+0x449/0x710
[ 1141.981482][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1141.981482][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1141.981482][   T72]      ___sys_sendmsg+0xee/0x170
[ 1141.981482][   T72]      __sys_sendmsg+0xcd/0x170
[ 1141.981482][   T72]      do_syscall_64+0xc6/0x1e0
[ 1141.981482][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1141.981482][   T72] 
[ 1152.223806][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1152.224272][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1152.224272][   T72]      netdev_get_by_index+0x5e/0x80
[ 1152.224272][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1152.224272][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1152.224272][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1152.224272][   T72]      ipv6_add_addr+0x411/0x2000
[ 1152.224272][   T72]      inet6_addr_add+0x30e/0xa40
[ 1152.224272][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1152.224272][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.224272][   T72]      netlink_rcv_skb+0x130/0x360
[ 1152.224272][   T72]      netlink_unicast+0x449/0x710
[ 1152.224272][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1152.224272][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.224272][   T72]      ___sys_sendmsg+0xee/0x170
[ 1152.224272][   T72]      __sys_sendmsg+0xcd/0x170
[ 1152.224272][   T72]      do_syscall_64+0xc6/0x1e0
[ 1152.224272][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.224272][   T72] 
[ 1152.226331][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1152.226331][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1152.226331][   T72]      ipv6_find_idev+0x102/0x170
[ 1152.226331][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1152.226331][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.226331][   T72]      netlink_rcv_skb+0x130/0x360
[ 1152.226331][   T72]      netlink_unicast+0x449/0x710
[ 1152.226331][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1152.226331][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.226331][   T72]      ___sys_sendmsg+0xee/0x170
[ 1152.226331][   T72]      __sys_sendmsg+0xcd/0x170
[ 1152.226331][   T72]      do_syscall_64+0xc6/0x1e0
[ 1152.226331][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.226331][   T72] 
[ 1152.227901][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1152.227901][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1152.227901][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1152.227901][   T72]      ipv6_find_idev+0x102/0x170
[ 1152.227901][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1152.227901][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.227901][   T72]      netlink_rcv_skb+0x130/0x360
[ 1152.227901][   T72]      netlink_unicast+0x449/0x710
[ 1152.227901][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1152.227901][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.227901][   T72]      ___sys_sendmsg+0xee/0x170
[ 1152.227901][   T72]      __sys_sendmsg+0xcd/0x170
[ 1152.227901][   T72]      do_syscall_64+0xc6/0x1e0
[ 1152.227901][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.227901][   T72] 
[ 1152.229604][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1152.229862][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1152.229862][   T72]      netdev_get_by_index+0x5e/0x80
[ 1152.229862][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1152.229862][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1152.229862][   T72]      ip6_route_add+0x1c/0x140
[ 1152.229862][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1152.229862][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1152.229862][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1152.229862][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.229862][   T72]      netlink_rcv_skb+0x130/0x360
[ 1152.229862][   T72]      netlink_unicast+0x449/0x710
[ 1152.229862][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1152.229862][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.229862][   T72]      ___sys_sendmsg+0xee/0x170
[ 1152.229862][   T72]      __sys_sendmsg+0xcd/0x170
[ 1152.229862][   T72]      do_syscall_64+0xc6/0x1e0
[ 1152.229862][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.229862][   T72] 
[ 1152.232167][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1152.232167][   T72]      netdev_get_by_index+0x5e/0x80
[ 1152.232167][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1152.232167][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1152.232167][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1152.232167][   T72]      ipv6_add_addr+0x411/0x2000
[ 1152.232167][   T72]      inet6_addr_add+0x30e/0xa40
[ 1152.232167][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1152.232167][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.232167][   T72]      netlink_rcv_skb+0x130/0x360
[ 1152.232167][   T72]      netlink_unicast+0x449/0x710
[ 1152.232167][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1152.232167][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.232167][   T72]      ___sys_sendmsg+0xee/0x170
[ 1152.232167][   T72]      __sys_sendmsg+0xcd/0x170
[ 1152.232167][   T72]      do_syscall_64+0xc6/0x1e0
[ 1152.232167][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.232167][   T72] 
[ 1152.234205][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1152.234205][   T72]      netdev_get_by_index+0x5e/0x80
[ 1152.234205][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1152.234205][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1152.234205][   T72]      ip6_route_add+0x1c/0x140
[ 1152.234205][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1152.234205][   T72]      addrconf_add_dev+0xe2/0x170
[ 1152.234205][   T72]      inet6_addr_add+0x12f/0xa40
[ 1152.234205][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1152.234205][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.234205][   T72]      netlink_rcv_skb+0x130/0x360
[ 1152.234205][   T72]      netlink_unicast+0x449/0x710
[ 1152.234205][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1152.234205][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.234205][   T72]      ___sys_sendmsg+0xee/0x170
[ 1152.234205][   T72]      __sys_sendmsg+0xcd/0x170
[ 1152.234205][   T72]      do_syscall_64+0xc6/0x1e0
[ 1152.234205][   T72] 
[ 1152.236204][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1152.236204][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1152.236204][   T72]      ipv6_find_idev+0x102/0x170
[ 1152.236204][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1152.236204][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.236204][   T72]      netlink_rcv_skb+0x130/0x360
[ 1152.236204][   T72]      netlink_unicast+0x449/0x710
[ 1152.236204][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1152.236204][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.236204][   T72]      ___sys_sendmsg+0xee/0x170
[ 1152.236204][   T72]      __sys_sendmsg+0xcd/0x170
[ 1152.236204][   T72]      do_syscall_64+0xc6/0x1e0
[ 1152.236204][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.236204][   T72] 
[ 1152.237769][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1152.237769][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1152.237769][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1152.237769][   T72]      ipv6_find_idev+0x102/0x170
[ 1152.237769][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1152.237769][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1152.237769][   T72]      netlink_rcv_skb+0x130/0x360
[ 1152.237769][   T72]      netlink_unicast+0x449/0x710
[ 1152.237769][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1152.237769][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1152.237769][   T72]      ___sys_sendmsg+0xee/0x170
[ 1152.237769][   T72]      __sys_sendmsg+0xcd/0x170
[ 1152.237769][   T72]      do_syscall_64+0xc6/0x1e0
[ 1152.237769][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1152.237769][   T72] 
[ 1162.479899][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1162.480296][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1162.480296][   T72]      netdev_get_by_index+0x5e/0x80
[ 1162.480296][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1162.480296][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1162.480296][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1162.480296][   T72]      ipv6_add_addr+0x411/0x2000
[ 1162.480296][   T72]      inet6_addr_add+0x30e/0xa40
[ 1162.480296][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1162.480296][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.480296][   T72]      netlink_rcv_skb+0x130/0x360
[ 1162.480296][   T72]      netlink_unicast+0x449/0x710
[ 1162.480296][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1162.480296][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.480296][   T72]      ___sys_sendmsg+0xee/0x170
[ 1162.480296][   T72]      __sys_sendmsg+0xcd/0x170
[ 1162.480296][   T72]      do_syscall_64+0xc6/0x1e0
[ 1162.480296][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.480296][   T72] 
[ 1162.482349][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1162.482349][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1162.482349][   T72]      ipv6_find_idev+0x102/0x170
[ 1162.482349][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1162.482349][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.482349][   T72]      netlink_rcv_skb+0x130/0x360
[ 1162.482349][   T72]      netlink_unicast+0x449/0x710
[ 1162.482349][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1162.482349][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.482349][   T72]      ___sys_sendmsg+0xee/0x170
[ 1162.482349][   T72]      __sys_sendmsg+0xcd/0x170
[ 1162.482349][   T72]      do_syscall_64+0xc6/0x1e0
[ 1162.482349][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.482349][   T72] 
[ 1162.483903][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1162.483903][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1162.483903][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1162.483903][   T72]      ipv6_find_idev+0x102/0x170
[ 1162.483903][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1162.483903][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.483903][   T72]      netlink_rcv_skb+0x130/0x360
[ 1162.483903][   T72]      netlink_unicast+0x449/0x710
[ 1162.483903][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1162.483903][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.483903][   T72]      ___sys_sendmsg+0xee/0x170
[ 1162.483903][   T72]      __sys_sendmsg+0xcd/0x170
[ 1162.483903][   T72]      do_syscall_64+0xc6/0x1e0
[ 1162.483903][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.483903][   T72] 
[ 1162.485601][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1162.485866][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1162.485866][   T72]      netdev_get_by_index+0x5e/0x80
[ 1162.485866][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1162.485866][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1162.485866][   T72]      ip6_route_add+0x1c/0x140
[ 1162.485866][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1162.485866][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1162.485866][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1162.485866][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.485866][   T72]      netlink_rcv_skb+0x130/0x360
[ 1162.485866][   T72]      netlink_unicast+0x449/0x710
[ 1162.485866][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1162.485866][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.485866][   T72]      ___sys_sendmsg+0xee/0x170
[ 1162.485866][   T72]      __sys_sendmsg+0xcd/0x170
[ 1162.485866][   T72]      do_syscall_64+0xc6/0x1e0
[ 1162.485866][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.485866][   T72] 
[ 1162.487885][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1162.487885][   T72]      netdev_get_by_index+0x5e/0x80
[ 1162.487885][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1162.487885][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1162.487885][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1162.487885][   T72]      ipv6_add_addr+0x411/0x2000
[ 1162.487885][   T72]      inet6_addr_add+0x30e/0xa40
[ 1162.487885][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1162.487885][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.487885][   T72]      netlink_rcv_skb+0x130/0x360
[ 1162.487885][   T72]      netlink_unicast+0x449/0x710
[ 1162.487885][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1162.487885][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.487885][   T72]      ___sys_sendmsg+0xee/0x170
[ 1162.487885][   T72]      __sys_sendmsg+0xcd/0x170
[ 1162.487885][   T72]      do_syscall_64+0xc6/0x1e0
[ 1162.487885][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.487885][   T72] 
[ 1162.489911][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1162.489911][   T72]      netdev_get_by_index+0x5e/0x80
[ 1162.489911][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1162.489911][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1162.489911][   T72]      ip6_route_add+0x1c/0x140
[ 1162.489911][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1162.489911][   T72]      addrconf_add_dev+0xe2/0x170
[ 1162.489911][   T72]      inet6_addr_add+0x12f/0xa40
[ 1162.489911][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1162.489911][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.489911][   T72]      netlink_rcv_skb+0x130/0x360
[ 1162.489911][   T72]      netlink_unicast+0x449/0x710
[ 1162.489911][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1162.489911][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.489911][   T72]      ___sys_sendmsg+0xee/0x170
[ 1162.489911][   T72]      __sys_sendmsg+0xcd/0x170
[ 1162.489911][   T72]      do_syscall_64+0xc6/0x1e0
[ 1162.489911][   T72] 
[ 1162.491887][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1162.491887][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1162.491887][   T72]      ipv6_find_idev+0x102/0x170
[ 1162.491887][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1162.491887][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.491887][   T72]      netlink_rcv_skb+0x130/0x360
[ 1162.491887][   T72]      netlink_unicast+0x449/0x710
[ 1162.491887][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1162.491887][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.491887][   T72]      ___sys_sendmsg+0xee/0x170
[ 1162.491887][   T72]      __sys_sendmsg+0xcd/0x170
[ 1162.491887][   T72]      do_syscall_64+0xc6/0x1e0
[ 1162.491887][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.491887][   T72] 
[ 1162.493436][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1162.493436][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1162.493436][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1162.493436][   T72]      ipv6_find_idev+0x102/0x170
[ 1162.493436][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1162.493436][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1162.493436][   T72]      netlink_rcv_skb+0x130/0x360
[ 1162.493436][   T72]      netlink_unicast+0x449/0x710
[ 1162.493436][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1162.493436][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1162.493436][   T72]      ___sys_sendmsg+0xee/0x170
[ 1162.493436][   T72]      __sys_sendmsg+0xcd/0x170
[ 1162.493436][   T72]      do_syscall_64+0xc6/0x1e0
[ 1162.493436][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1162.493436][   T72] 
[ 1172.735806][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1172.736213][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1172.736213][   T72]      netdev_get_by_index+0x5e/0x80
[ 1172.736213][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1172.736213][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1172.736213][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1172.736213][   T72]      ipv6_add_addr+0x411/0x2000
[ 1172.736213][   T72]      inet6_addr_add+0x30e/0xa40
[ 1172.736213][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1172.736213][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.736213][   T72]      netlink_rcv_skb+0x130/0x360
[ 1172.736213][   T72]      netlink_unicast+0x449/0x710
[ 1172.736213][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1172.736213][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.736213][   T72]      ___sys_sendmsg+0xee/0x170
[ 1172.736213][   T72]      __sys_sendmsg+0xcd/0x170
[ 1172.736213][   T72]      do_syscall_64+0xc6/0x1e0
[ 1172.736213][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.736213][   T72] 
[ 1172.738252][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1172.738252][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1172.738252][   T72]      ipv6_find_idev+0x102/0x170
[ 1172.738252][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1172.738252][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.738252][   T72]      netlink_rcv_skb+0x130/0x360
[ 1172.738252][   T72]      netlink_unicast+0x449/0x710
[ 1172.738252][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1172.738252][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.738252][   T72]      ___sys_sendmsg+0xee/0x170
[ 1172.738252][   T72]      __sys_sendmsg+0xcd/0x170
[ 1172.738252][   T72]      do_syscall_64+0xc6/0x1e0
[ 1172.738252][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.738252][   T72] 
[ 1172.739813][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1172.739813][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1172.739813][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1172.739813][   T72]      ipv6_find_idev+0x102/0x170
[ 1172.739813][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1172.739813][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.739813][   T72]      netlink_rcv_skb+0x130/0x360
[ 1172.739813][   T72]      netlink_unicast+0x449/0x710
[ 1172.739813][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1172.739813][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.739813][   T72]      ___sys_sendmsg+0xee/0x170
[ 1172.739813][   T72]      __sys_sendmsg+0xcd/0x170
[ 1172.739813][   T72]      do_syscall_64+0xc6/0x1e0
[ 1172.739813][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.739813][   T72] 
[ 1172.741517][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1172.741776][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1172.741776][   T72]      netdev_get_by_index+0x5e/0x80
[ 1172.741776][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1172.741776][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1172.741776][   T72]      ip6_route_add+0x1c/0x140
[ 1172.741776][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1172.741776][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1172.741776][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1172.741776][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.741776][   T72]      netlink_rcv_skb+0x130/0x360
[ 1172.741776][   T72]      netlink_unicast+0x449/0x710
[ 1172.741776][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1172.741776][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.741776][   T72]      ___sys_sendmsg+0xee/0x170
[ 1172.741776][   T72]      __sys_sendmsg+0xcd/0x170
[ 1172.741776][   T72]      do_syscall_64+0xc6/0x1e0
[ 1172.741776][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.741776][   T72] 
[ 1172.743799][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1172.743799][   T72]      netdev_get_by_index+0x5e/0x80
[ 1172.743799][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1172.743799][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1172.743799][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1172.743799][   T72]      ipv6_add_addr+0x411/0x2000
[ 1172.743799][   T72]      inet6_addr_add+0x30e/0xa40
[ 1172.743799][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1172.743799][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.743799][   T72]      netlink_rcv_skb+0x130/0x360
[ 1172.743799][   T72]      netlink_unicast+0x449/0x710
[ 1172.743799][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1172.743799][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.743799][   T72]      ___sys_sendmsg+0xee/0x170
[ 1172.743799][   T72]      __sys_sendmsg+0xcd/0x170
[ 1172.743799][   T72]      do_syscall_64+0xc6/0x1e0
[ 1172.743799][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.743799][   T72] 
[ 1172.745842][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1172.745842][   T72]      netdev_get_by_index+0x5e/0x80
[ 1172.745842][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1172.745842][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1172.745842][   T72]      ip6_route_add+0x1c/0x140
[ 1172.745842][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1172.745842][   T72]      addrconf_add_dev+0xe2/0x170
[ 1172.745842][   T72]      inet6_addr_add+0x12f/0xa40
[ 1172.745842][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1172.745842][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.745842][   T72]      netlink_rcv_skb+0x130/0x360
[ 1172.745842][   T72]      netlink_unicast+0x449/0x710
[ 1172.745842][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1172.745842][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.745842][   T72]      ___sys_sendmsg+0xee/0x170
[ 1172.745842][   T72]      __sys_sendmsg+0xcd/0x170
[ 1172.745842][   T72]      do_syscall_64+0xc6/0x1e0
[ 1172.745842][   T72] 
[ 1172.747827][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1172.747827][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1172.747827][   T72]      ipv6_find_idev+0x102/0x170
[ 1172.747827][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1172.747827][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.747827][   T72]      netlink_rcv_skb+0x130/0x360
[ 1172.747827][   T72]      netlink_unicast+0x449/0x710
[ 1172.747827][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1172.747827][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.747827][   T72]      ___sys_sendmsg+0xee/0x170
[ 1172.747827][   T72]      __sys_sendmsg+0xcd/0x170
[ 1172.747827][   T72]      do_syscall_64+0xc6/0x1e0
[ 1172.747827][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.747827][   T72] 
[ 1172.749384][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1172.749384][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1172.749384][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1172.749384][   T72]      ipv6_find_idev+0x102/0x170
[ 1172.749384][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1172.749384][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1172.749384][   T72]      netlink_rcv_skb+0x130/0x360
[ 1172.749384][   T72]      netlink_unicast+0x449/0x710
[ 1172.749384][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1172.749384][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1172.749384][   T72]      ___sys_sendmsg+0xee/0x170
[ 1172.749384][   T72]      __sys_sendmsg+0xcd/0x170
[ 1172.749384][   T72]      do_syscall_64+0xc6/0x1e0
[ 1172.749384][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1172.749384][   T72] 
[ 1182.991930][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1182.992399][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1182.992399][   T72]      netdev_get_by_index+0x5e/0x80
[ 1182.992399][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1182.992399][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1182.992399][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1182.992399][   T72]      ipv6_add_addr+0x411/0x2000
[ 1182.992399][   T72]      inet6_addr_add+0x30e/0xa40
[ 1182.992399][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1182.992399][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.992399][   T72]      netlink_rcv_skb+0x130/0x360
[ 1182.992399][   T72]      netlink_unicast+0x449/0x710
[ 1182.992399][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1182.992399][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.992399][   T72]      ___sys_sendmsg+0xee/0x170
[ 1182.992399][   T72]      __sys_sendmsg+0xcd/0x170
[ 1182.992399][   T72]      do_syscall_64+0xc6/0x1e0
[ 1182.992399][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.992399][   T72] 
[ 1182.994452][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1182.994452][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1182.994452][   T72]      ipv6_find_idev+0x102/0x170
[ 1182.994452][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1182.994452][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.994452][   T72]      netlink_rcv_skb+0x130/0x360
[ 1182.994452][   T72]      netlink_unicast+0x449/0x710
[ 1182.994452][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1182.994452][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.994452][   T72]      ___sys_sendmsg+0xee/0x170
[ 1182.994452][   T72]      __sys_sendmsg+0xcd/0x170
[ 1182.994452][   T72]      do_syscall_64+0xc6/0x1e0
[ 1182.994452][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.994452][   T72] 
[ 1182.996026][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1182.996026][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1182.996026][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1182.996026][   T72]      ipv6_find_idev+0x102/0x170
[ 1182.996026][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1182.996026][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.996026][   T72]      netlink_rcv_skb+0x130/0x360
[ 1182.996026][   T72]      netlink_unicast+0x449/0x710
[ 1182.996026][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1182.996026][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.996026][   T72]      ___sys_sendmsg+0xee/0x170
[ 1182.996026][   T72]      __sys_sendmsg+0xcd/0x170
[ 1182.996026][   T72]      do_syscall_64+0xc6/0x1e0
[ 1182.996026][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.996026][   T72] 
[ 1182.997748][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1182.998014][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1182.998014][   T72]      netdev_get_by_index+0x5e/0x80
[ 1182.998014][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1182.998014][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1182.998014][   T72]      ip6_route_add+0x1c/0x140
[ 1182.998014][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1182.998014][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1182.998014][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1182.998014][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1182.998014][   T72]      netlink_rcv_skb+0x130/0x360
[ 1182.998014][   T72]      netlink_unicast+0x449/0x710
[ 1182.998014][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1182.998014][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1182.998014][   T72]      ___sys_sendmsg+0xee/0x170
[ 1182.998014][   T72]      __sys_sendmsg+0xcd/0x170
[ 1182.998014][   T72]      do_syscall_64+0xc6/0x1e0
[ 1182.998014][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1182.998014][   T72] 
[ 1183.000043][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1183.000043][   T72]      netdev_get_by_index+0x5e/0x80
[ 1183.000043][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1183.000043][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1183.000043][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1183.000043][   T72]      ipv6_add_addr+0x411/0x2000
[ 1183.000043][   T72]      inet6_addr_add+0x30e/0xa40
[ 1183.000043][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1183.000043][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1183.000043][   T72]      netlink_rcv_skb+0x130/0x360
[ 1183.000043][   T72]      netlink_unicast+0x449/0x710
[ 1183.000043][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1183.000043][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1183.000043][   T72]      ___sys_sendmsg+0xee/0x170
[ 1183.000043][   T72]      __sys_sendmsg+0xcd/0x170
[ 1183.000043][   T72]      do_syscall_64+0xc6/0x1e0
[ 1183.000043][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1183.000043][   T72] 
[ 1183.002061][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1183.002061][   T72]      netdev_get_by_index+0x5e/0x80
[ 1183.002061][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1183.002061][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1183.002061][   T72]      ip6_route_add+0x1c/0x140
[ 1183.002061][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1183.002061][   T72]      addrconf_add_dev+0xe2/0x170
[ 1183.002061][   T72]      inet6_addr_add+0x12f/0xa40
[ 1183.002061][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1183.002061][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1183.002061][   T72]      netlink_rcv_skb+0x130/0x360
[ 1183.002061][   T72]      netlink_unicast+0x449/0x710
[ 1183.002061][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1183.002061][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1183.002061][   T72]      ___sys_sendmsg+0xee/0x170
[ 1183.002061][   T72]      __sys_sendmsg+0xcd/0x170
[ 1183.002061][   T72]      do_syscall_64+0xc6/0x1e0
[ 1183.002061][   T72] 
[ 1183.004233][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1183.004233][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1183.004233][   T72]      ipv6_find_idev+0x102/0x170
[ 1183.004233][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1183.004233][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1183.004233][   T72]      netlink_rcv_skb+0x130/0x360
[ 1183.004233][   T72]      netlink_unicast+0x449/0x710
[ 1183.004233][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1183.004233][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1183.004233][   T72]      ___sys_sendmsg+0xee/0x170
[ 1183.004233][   T72]      __sys_sendmsg+0xcd/0x170
[ 1183.004233][   T72]      do_syscall_64+0xc6/0x1e0
[ 1183.004233][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1183.004233][   T72] 
[ 1183.006225][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1183.006225][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1183.006225][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1183.006225][   T72]      ipv6_find_idev+0x102/0x170
[ 1183.006225][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1183.006225][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1183.006225][   T72]      netlink_rcv_skb+0x130/0x360
[ 1183.006225][   T72]      netlink_unicast+0x449/0x710
[ 1183.006225][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1183.006225][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1183.006225][   T72]      ___sys_sendmsg+0xee/0x170
[ 1183.006225][   T72]      __sys_sendmsg+0xcd/0x170
[ 1183.006225][   T72]      do_syscall_64+0xc6/0x1e0
[ 1183.006225][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1183.006225][   T72] 
[ 1193.247935][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1193.248389][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1193.248389][   T72]      netdev_get_by_index+0x5e/0x80
[ 1193.248389][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1193.248389][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1193.248389][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1193.248389][   T72]      ipv6_add_addr+0x411/0x2000
[ 1193.248389][   T72]      inet6_addr_add+0x30e/0xa40
[ 1193.248389][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1193.248389][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1193.248389][   T72]      netlink_rcv_skb+0x130/0x360
[ 1193.248389][   T72]      netlink_unicast+0x449/0x710
[ 1193.248389][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1193.248389][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1193.248389][   T72]      ___sys_sendmsg+0xee/0x170
[ 1193.248389][   T72]      __sys_sendmsg+0xcd/0x170
[ 1193.248389][   T72]      do_syscall_64+0xc6/0x1e0
[ 1193.248389][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1193.248389][   T72] 
[ 1193.250461][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1193.250461][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1193.250461][   T72]      ipv6_find_idev+0x102/0x170
[ 1193.250461][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1193.250461][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1193.250461][   T72]      netlink_rcv_skb+0x130/0x360
[ 1193.250461][   T72]      netlink_unicast+0x449/0x710
[ 1193.250461][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1193.250461][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1193.250461][   T72]      ___sys_sendmsg+0xee/0x170
[ 1193.250461][   T72]      __sys_sendmsg+0xcd/0x170
[ 1193.250461][   T72]      do_syscall_64+0xc6/0x1e0
[ 1193.250461][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1193.250461][   T72] 
[ 1193.252020][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1193.252020][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1193.252020][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1193.252020][   T72]      ipv6_find_idev+0x102/0x170
[ 1193.252020][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1193.252020][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1193.252020][   T72]      netlink_rcv_skb+0x130/0x360
[ 1193.252020][   T72]      netlink_unicast+0x449/0x710
[ 1193.252020][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1193.252020][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1193.252020][   T72]      ___sys_sendmsg+0xee/0x170
[ 1193.252020][   T72]      __sys_sendmsg+0xcd/0x170
[ 1193.252020][   T72]      do_syscall_64+0xc6/0x1e0
[ 1193.252020][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1193.252020][   T72] 
[ 1193.253782][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1193.254149][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1193.254149][   T72]      netdev_get_by_index+0x5e/0x80
[ 1193.254149][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1193.254149][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1193.254149][   T72]      ip6_route_add+0x1c/0x140
[ 1193.254149][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1193.254149][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1193.254149][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1193.254149][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1193.254149][   T72]      netlink_rcv_skb+0x130/0x360
[ 1193.254149][   T72]      netlink_unicast+0x449/0x710
[ 1193.254149][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1193.254149][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1193.254149][   T72]      ___sys_sendmsg+0xee/0x170
[ 1193.254149][   T72]      __sys_sendmsg+0xcd/0x170
[ 1193.254149][   T72]      do_syscall_64+0xc6/0x1e0
[ 1193.254149][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1193.254149][   T72] 
[ 1193.256968][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1193.256968][   T72]      netdev_get_by_index+0x5e/0x80
[ 1193.256968][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1193.256968][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1193.256968][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1193.256968][   T72]      ipv6_add_addr+0x411/0x2000
[ 1193.256968][   T72]      inet6_addr_add+0x30e/0xa40
[ 1193.256968][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1193.256968][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1193.256968][   T72]      netlink_rcv_skb+0x130/0x360
[ 1193.256968][   T72]      netlink_unicast+0x449/0x710
[ 1193.256968][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1193.256968][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1193.256968][   T72]      ___sys_sendmsg+0xee/0x170
[ 1193.256968][   T72]      __sys_sendmsg+0xcd/0x170
[ 1193.256968][   T72]      do_syscall_64+0xc6/0x1e0
[ 1193.256968][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1193.256968][   T72] 
[ 1193.259865][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1193.259865][   T72]      netdev_get_by_index+0x5e/0x80
[ 1193.259865][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1193.259865][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1193.259865][   T72]      ip6_route_add+0x1c/0x140
[ 1193.259865][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1193.259865][   T72]      addrconf_add_dev+0xe2/0x170
[ 1193.259865][   T72]      inet6_addr_add+0x12f/0xa40
[ 1193.259865][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1193.259865][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1193.259865][   T72]      netlink_rcv_skb+0x130/0x360
[ 1193.259865][   T72]      netlink_unicast+0x449/0x710
[ 1193.259865][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1193.259865][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1193.259865][   T72]      ___sys_sendmsg+0xee/0x170
[ 1193.259865][   T72]      __sys_sendmsg+0xcd/0x170
[ 1193.259865][   T72]      do_syscall_64+0xc6/0x1e0
[ 1193.259865][   T72] 
[ 1193.262708][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1193.262708][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1193.262708][   T72]      ipv6_find_idev+0x102/0x170
[ 1193.262708][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1193.262708][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1193.262708][   T72]      netlink_rcv_skb+0x130/0x360
[ 1193.262708][   T72]      netlink_unicast+0x449/0x710
[ 1193.262708][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1193.262708][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1193.262708][   T72]      ___sys_sendmsg+0xee/0x170
[ 1193.262708][   T72]      __sys_sendmsg+0xcd/0x170
[ 1193.262708][   T72]      do_syscall_64+0xc6/0x1e0
[ 1193.262708][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1193.262708][   T72] 
[ 1193.264947][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1193.264947][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1193.264947][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1193.264947][   T72]      ipv6_find_idev+0x102/0x170
[ 1193.264947][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1193.264947][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1193.264947][   T72]      netlink_rcv_skb+0x130/0x360
[ 1193.264947][   T72]      netlink_unicast+0x449/0x710
[ 1193.264947][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1193.264947][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1193.264947][   T72]      ___sys_sendmsg+0xee/0x170
[ 1193.264947][   T72]      __sys_sendmsg+0xcd/0x170
[ 1193.264947][   T72]      do_syscall_64+0xc6/0x1e0
[ 1193.264947][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1193.264947][   T72] 
[ 1203.503883][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1203.504294][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1203.504294][   T72]      netdev_get_by_index+0x5e/0x80
[ 1203.504294][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1203.504294][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1203.504294][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1203.504294][   T72]      ipv6_add_addr+0x411/0x2000
[ 1203.504294][   T72]      inet6_addr_add+0x30e/0xa40
[ 1203.504294][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1203.504294][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1203.504294][   T72]      netlink_rcv_skb+0x130/0x360
[ 1203.504294][   T72]      netlink_unicast+0x449/0x710
[ 1203.504294][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1203.504294][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1203.504294][   T72]      ___sys_sendmsg+0xee/0x170
[ 1203.504294][   T72]      __sys_sendmsg+0xcd/0x170
[ 1203.504294][   T72]      do_syscall_64+0xc6/0x1e0
[ 1203.504294][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1203.504294][   T72] 
[ 1203.506349][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1203.506349][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1203.506349][   T72]      ipv6_find_idev+0x102/0x170
[ 1203.506349][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1203.506349][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1203.506349][   T72]      netlink_rcv_skb+0x130/0x360
[ 1203.506349][   T72]      netlink_unicast+0x449/0x710
[ 1203.506349][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1203.506349][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1203.506349][   T72]      ___sys_sendmsg+0xee/0x170
[ 1203.506349][   T72]      __sys_sendmsg+0xcd/0x170
[ 1203.506349][   T72]      do_syscall_64+0xc6/0x1e0
[ 1203.506349][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1203.506349][   T72] 
[ 1203.507905][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1203.507905][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1203.507905][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1203.507905][   T72]      ipv6_find_idev+0x102/0x170
[ 1203.507905][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1203.507905][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1203.507905][   T72]      netlink_rcv_skb+0x130/0x360
[ 1203.507905][   T72]      netlink_unicast+0x449/0x710
[ 1203.507905][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1203.507905][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1203.507905][   T72]      ___sys_sendmsg+0xee/0x170
[ 1203.507905][   T72]      __sys_sendmsg+0xcd/0x170
[ 1203.507905][   T72]      do_syscall_64+0xc6/0x1e0
[ 1203.507905][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1203.507905][   T72] 
[ 1203.509623][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1203.509887][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1203.509887][   T72]      netdev_get_by_index+0x5e/0x80
[ 1203.509887][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1203.509887][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1203.509887][   T72]      ip6_route_add+0x1c/0x140
[ 1203.509887][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1203.509887][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1203.509887][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1203.509887][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1203.509887][   T72]      netlink_rcv_skb+0x130/0x360
[ 1203.509887][   T72]      netlink_unicast+0x449/0x710
[ 1203.509887][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1203.509887][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1203.509887][   T72]      ___sys_sendmsg+0xee/0x170
[ 1203.509887][   T72]      __sys_sendmsg+0xcd/0x170
[ 1203.509887][   T72]      do_syscall_64+0xc6/0x1e0
[ 1203.509887][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1203.509887][   T72] 
[ 1203.511910][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1203.511910][   T72]      netdev_get_by_index+0x5e/0x80
[ 1203.511910][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1203.511910][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1203.511910][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1203.511910][   T72]      ipv6_add_addr+0x411/0x2000
[ 1203.511910][   T72]      inet6_addr_add+0x30e/0xa40
[ 1203.511910][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1203.511910][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1203.511910][   T72]      netlink_rcv_skb+0x130/0x360
[ 1203.511910][   T72]      netlink_unicast+0x449/0x710
[ 1203.511910][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1203.511910][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1203.511910][   T72]      ___sys_sendmsg+0xee/0x170
[ 1203.511910][   T72]      __sys_sendmsg+0xcd/0x170
[ 1203.511910][   T72]      do_syscall_64+0xc6/0x1e0
[ 1203.511910][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1203.511910][   T72] 
[ 1203.513931][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1203.513931][   T72]      netdev_get_by_index+0x5e/0x80
[ 1203.513931][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1203.513931][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1203.513931][   T72]      ip6_route_add+0x1c/0x140
[ 1203.513931][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1203.513931][   T72]      addrconf_add_dev+0xe2/0x170
[ 1203.513931][   T72]      inet6_addr_add+0x12f/0xa40
[ 1203.513931][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1203.513931][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1203.513931][   T72]      netlink_rcv_skb+0x130/0x360
[ 1203.513931][   T72]      netlink_unicast+0x449/0x710
[ 1203.513931][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1203.513931][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1203.513931][   T72]      ___sys_sendmsg+0xee/0x170
[ 1203.513931][   T72]      __sys_sendmsg+0xcd/0x170
[ 1203.513931][   T72]      do_syscall_64+0xc6/0x1e0
[ 1203.513931][   T72] 
[ 1203.515925][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1203.515925][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1203.515925][   T72]      ipv6_find_idev+0x102/0x170
[ 1203.515925][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1203.515925][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1203.515925][   T72]      netlink_rcv_skb+0x130/0x360
[ 1203.515925][   T72]      netlink_unicast+0x449/0x710
[ 1203.515925][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1203.515925][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1203.515925][   T72]      ___sys_sendmsg+0xee/0x170
[ 1203.515925][   T72]      __sys_sendmsg+0xcd/0x170
[ 1203.515925][   T72]      do_syscall_64+0xc6/0x1e0
[ 1203.515925][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1203.515925][   T72] 
[ 1203.517480][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1203.517480][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1203.517480][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1203.517480][   T72]      ipv6_find_idev+0x102/0x170
[ 1203.517480][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1203.517480][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1203.517480][   T72]      netlink_rcv_skb+0x130/0x360
[ 1203.517480][   T72]      netlink_unicast+0x449/0x710
[ 1203.517480][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1203.517480][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1203.517480][   T72]      ___sys_sendmsg+0xee/0x170
[ 1203.517480][   T72]      __sys_sendmsg+0xcd/0x170
[ 1203.517480][   T72]      do_syscall_64+0xc6/0x1e0
[ 1203.517480][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1203.517480][   T72] 
[ 1213.759913][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1213.760386][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1213.760386][   T72]      netdev_get_by_index+0x5e/0x80
[ 1213.760386][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1213.760386][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1213.760386][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1213.760386][   T72]      ipv6_add_addr+0x411/0x2000
[ 1213.760386][   T72]      inet6_addr_add+0x30e/0xa40
[ 1213.760386][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1213.760386][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.760386][   T72]      netlink_rcv_skb+0x130/0x360
[ 1213.760386][   T72]      netlink_unicast+0x449/0x710
[ 1213.760386][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1213.760386][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.760386][   T72]      ___sys_sendmsg+0xee/0x170
[ 1213.760386][   T72]      __sys_sendmsg+0xcd/0x170
[ 1213.760386][   T72]      do_syscall_64+0xc6/0x1e0
[ 1213.760386][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.760386][   T72] 
[ 1213.762474][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1213.762474][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1213.762474][   T72]      ipv6_find_idev+0x102/0x170
[ 1213.762474][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1213.762474][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.762474][   T72]      netlink_rcv_skb+0x130/0x360
[ 1213.762474][   T72]      netlink_unicast+0x449/0x710
[ 1213.762474][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1213.762474][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.762474][   T72]      ___sys_sendmsg+0xee/0x170
[ 1213.762474][   T72]      __sys_sendmsg+0xcd/0x170
[ 1213.762474][   T72]      do_syscall_64+0xc6/0x1e0
[ 1213.762474][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.762474][   T72] 
[ 1213.764053][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1213.764053][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1213.764053][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1213.764053][   T72]      ipv6_find_idev+0x102/0x170
[ 1213.764053][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1213.764053][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.764053][   T72]      netlink_rcv_skb+0x130/0x360
[ 1213.764053][   T72]      netlink_unicast+0x449/0x710
[ 1213.764053][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1213.764053][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.764053][   T72]      ___sys_sendmsg+0xee/0x170
[ 1213.764053][   T72]      __sys_sendmsg+0xcd/0x170
[ 1213.764053][   T72]      do_syscall_64+0xc6/0x1e0
[ 1213.764053][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.764053][   T72] 
[ 1213.765819][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1213.766092][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1213.766092][   T72]      netdev_get_by_index+0x5e/0x80
[ 1213.766092][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1213.766092][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1213.766092][   T72]      ip6_route_add+0x1c/0x140
[ 1213.766092][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1213.766092][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1213.766092][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1213.766092][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.766092][   T72]      netlink_rcv_skb+0x130/0x360
[ 1213.766092][   T72]      netlink_unicast+0x449/0x710
[ 1213.766092][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1213.766092][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.766092][   T72]      ___sys_sendmsg+0xee/0x170
[ 1213.766092][   T72]      __sys_sendmsg+0xcd/0x170
[ 1213.766092][   T72]      do_syscall_64+0xc6/0x1e0
[ 1213.766092][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.766092][   T72] 
[ 1213.768906][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1213.768906][   T72]      netdev_get_by_index+0x5e/0x80
[ 1213.768906][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1213.768906][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1213.768906][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1213.768906][   T72]      ipv6_add_addr+0x411/0x2000
[ 1213.768906][   T72]      inet6_addr_add+0x30e/0xa40
[ 1213.768906][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1213.768906][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.768906][   T72]      netlink_rcv_skb+0x130/0x360
[ 1213.768906][   T72]      netlink_unicast+0x449/0x710
[ 1213.768906][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1213.768906][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.768906][   T72]      ___sys_sendmsg+0xee/0x170
[ 1213.768906][   T72]      __sys_sendmsg+0xcd/0x170
[ 1213.768906][   T72]      do_syscall_64+0xc6/0x1e0
[ 1213.768906][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.768906][   T72] 
[ 1213.771851][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1213.771851][   T72]      netdev_get_by_index+0x5e/0x80
[ 1213.771851][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1213.771851][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1213.771851][   T72]      ip6_route_add+0x1c/0x140
[ 1213.771851][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1213.771851][   T72]      addrconf_add_dev+0xe2/0x170
[ 1213.771851][   T72]      inet6_addr_add+0x12f/0xa40
[ 1213.771851][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1213.771851][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.771851][   T72]      netlink_rcv_skb+0x130/0x360
[ 1213.771851][   T72]      netlink_unicast+0x449/0x710
[ 1213.771851][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1213.771851][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.771851][   T72]      ___sys_sendmsg+0xee/0x170
[ 1213.771851][   T72]      __sys_sendmsg+0xcd/0x170
[ 1213.771851][   T72]      do_syscall_64+0xc6/0x1e0
[ 1213.771851][   T72] 
[ 1213.774735][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1213.774735][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1213.774735][   T72]      ipv6_find_idev+0x102/0x170
[ 1213.774735][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1213.774735][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.774735][   T72]      netlink_rcv_skb+0x130/0x360
[ 1213.774735][   T72]      netlink_unicast+0x449/0x710
[ 1213.774735][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1213.774735][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.774735][   T72]      ___sys_sendmsg+0xee/0x170
[ 1213.774735][   T72]      __sys_sendmsg+0xcd/0x170
[ 1213.774735][   T72]      do_syscall_64+0xc6/0x1e0
[ 1213.774735][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.774735][   T72] 
[ 1213.776986][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1213.776986][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1213.776986][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1213.776986][   T72]      ipv6_find_idev+0x102/0x170
[ 1213.776986][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1213.776986][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1213.776986][   T72]      netlink_rcv_skb+0x130/0x360
[ 1213.776986][   T72]      netlink_unicast+0x449/0x710
[ 1213.776986][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1213.776986][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1213.776986][   T72]      ___sys_sendmsg+0xee/0x170
[ 1213.776986][   T72]      __sys_sendmsg+0xcd/0x170
[ 1213.776986][   T72]      do_syscall_64+0xc6/0x1e0
[ 1213.776986][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1213.776986][   T72] 
[ 1224.015891][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1224.016363][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1224.016363][   T72]      netdev_get_by_index+0x5e/0x80
[ 1224.016363][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1224.016363][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1224.016363][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1224.016363][   T72]      ipv6_add_addr+0x411/0x2000
[ 1224.016363][   T72]      inet6_addr_add+0x30e/0xa40
[ 1224.016363][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1224.016363][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1224.016363][   T72]      netlink_rcv_skb+0x130/0x360
[ 1224.016363][   T72]      netlink_unicast+0x449/0x710
[ 1224.016363][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1224.016363][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1224.016363][   T72]      ___sys_sendmsg+0xee/0x170
[ 1224.016363][   T72]      __sys_sendmsg+0xcd/0x170
[ 1224.016363][   T72]      do_syscall_64+0xc6/0x1e0
[ 1224.016363][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1224.016363][   T72] 
[ 1224.018452][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1224.018452][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1224.018452][   T72]      ipv6_find_idev+0x102/0x170
[ 1224.018452][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1224.018452][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1224.018452][   T72]      netlink_rcv_skb+0x130/0x360
[ 1224.018452][   T72]      netlink_unicast+0x449/0x710
[ 1224.018452][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1224.018452][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1224.018452][   T72]      ___sys_sendmsg+0xee/0x170
[ 1224.018452][   T72]      __sys_sendmsg+0xcd/0x170
[ 1224.018452][   T72]      do_syscall_64+0xc6/0x1e0
[ 1224.018452][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1224.018452][   T72] 
[ 1224.020037][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1224.020037][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1224.020037][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1224.020037][   T72]      ipv6_find_idev+0x102/0x170
[ 1224.020037][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1224.020037][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1224.020037][   T72]      netlink_rcv_skb+0x130/0x360
[ 1224.020037][   T72]      netlink_unicast+0x449/0x710
[ 1224.020037][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1224.020037][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1224.020037][   T72]      ___sys_sendmsg+0xee/0x170
[ 1224.020037][   T72]      __sys_sendmsg+0xcd/0x170
[ 1224.020037][   T72]      do_syscall_64+0xc6/0x1e0
[ 1224.020037][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1224.020037][   T72] 
[ 1224.021791][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1224.022057][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1224.022057][   T72]      netdev_get_by_index+0x5e/0x80
[ 1224.022057][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1224.022057][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1224.022057][   T72]      ip6_route_add+0x1c/0x140
[ 1224.022057][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1224.022057][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1224.022057][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1224.022057][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1224.022057][   T72]      netlink_rcv_skb+0x130/0x360
[ 1224.022057][   T72]      netlink_unicast+0x449/0x710
[ 1224.022057][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1224.022057][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1224.022057][   T72]      ___sys_sendmsg+0xee/0x170
[ 1224.022057][   T72]      __sys_sendmsg+0xcd/0x170
[ 1224.022057][   T72]      do_syscall_64+0xc6/0x1e0
[ 1224.022057][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1224.022057][   T72] 
[ 1224.024246][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1224.024246][   T72]      netdev_get_by_index+0x5e/0x80
[ 1224.024246][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1224.024246][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1224.024246][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1224.024246][   T72]      ipv6_add_addr+0x411/0x2000
[ 1224.024246][   T72]      inet6_addr_add+0x30e/0xa40
[ 1224.024246][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1224.024246][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1224.024246][   T72]      netlink_rcv_skb+0x130/0x360
[ 1224.024246][   T72]      netlink_unicast+0x449/0x710
[ 1224.024246][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1224.024246][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1224.024246][   T72]      ___sys_sendmsg+0xee/0x170
[ 1224.024246][   T72]      __sys_sendmsg+0xcd/0x170
[ 1224.024246][   T72]      do_syscall_64+0xc6/0x1e0
[ 1224.024246][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1224.024246][   T72] 
[ 1224.027085][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1224.027085][   T72]      netdev_get_by_index+0x5e/0x80
[ 1224.027085][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1224.027085][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1224.027085][   T72]      ip6_route_add+0x1c/0x140
[ 1224.027085][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1224.027085][   T72]      addrconf_add_dev+0xe2/0x170
[ 1224.027085][   T72]      inet6_addr_add+0x12f/0xa40
[ 1224.027085][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1224.027085][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1224.027085][   T72]      netlink_rcv_skb+0x130/0x360
[ 1224.027085][   T72]      netlink_unicast+0x449/0x710
[ 1224.027085][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1224.027085][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1224.027085][   T72]      ___sys_sendmsg+0xee/0x170
[ 1224.027085][   T72]      __sys_sendmsg+0xcd/0x170
[ 1224.027085][   T72]      do_syscall_64+0xc6/0x1e0
[ 1224.027085][   T72] 
[ 1224.029094][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1224.029094][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1224.029094][   T72]      ipv6_find_idev+0x102/0x170
[ 1224.029094][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1224.029094][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1224.029094][   T72]      netlink_rcv_skb+0x130/0x360
[ 1224.029094][   T72]      netlink_unicast+0x449/0x710
[ 1224.029094][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1224.029094][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1224.029094][   T72]      ___sys_sendmsg+0xee/0x170
[ 1224.029094][   T72]      __sys_sendmsg+0xcd/0x170
[ 1224.029094][   T72]      do_syscall_64+0xc6/0x1e0
[ 1224.029094][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1224.029094][   T72] 
[ 1224.030660][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1224.030660][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1224.030660][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1224.030660][   T72]      ipv6_find_idev+0x102/0x170
[ 1224.030660][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1224.030660][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1224.030660][   T72]      netlink_rcv_skb+0x130/0x360
[ 1224.030660][   T72]      netlink_unicast+0x449/0x710
[ 1224.030660][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1224.030660][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1224.030660][   T72]      ___sys_sendmsg+0xee/0x170
[ 1224.030660][   T72]      __sys_sendmsg+0xcd/0x170
[ 1224.030660][   T72]      do_syscall_64+0xc6/0x1e0
[ 1224.030660][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1224.030660][   T72] 
[ 1230.119988][   T42] INFO: task modprobe:456 blocked for more than 1105 seconds.
[ 1230.120364][   T42]       Not tainted 6.8.0-virtme #1
[ 1230.120486][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1230.120720][   T42] task:modprobe        state:D stack:25648 pid:456   tgid:456   ppid:39     flags:0x00004002
[ 1230.121011][   T42] Call Trace:
[ 1230.121108][   T42]  <TASK>
[ 1230.121186][   T42]  __schedule+0x705/0x1ac0
[ 1230.121331][   T42]  ? __pfx___schedule+0x10/0x10
[ 1230.121457][   T42]  ? schedule+0x1a5/0x210
[ 1230.121554][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1230.121685][   T42]  ? mark_lock+0x38/0x3e0
[ 1230.121800][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1230.121929][   T42]  ? schedule+0x1a5/0x210
[ 1230.122035][   T42]  schedule+0xdf/0x210
[ 1230.122133][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1230.122259][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1230.122391][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1230.122547][   T42]  ? kasan_save_stack+0x34/0x50
[ 1230.122672][   T42]  ? kasan_save_stack+0x24/0x50
[ 1230.122805][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1230.122940][   T42]  ? lock_acquire+0x1c1/0x220
[ 1230.123065][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1230.123203][   T42]  down_write+0x1c9/0x200
[ 1230.123302][   T42]  ? __pfx_down_write+0x10/0x10
[ 1230.123426][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1230.123555][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 1230.123753][   T42]  register_pernet_subsys+0x1a/0x50
[ 1230.123886][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 1230.124068][   T42]  do_one_initcall+0xc8/0x3f0
[ 1230.124197][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1230.124329][   T42]  ? __create_object+0x5e/0xb0
[ 1230.124458][   T42]  ? kasan_unpoison+0x27/0x60
[ 1230.124591][   T42]  do_init_module+0x233/0x740
[ 1230.124726][   T42]  load_module+0x16b5/0x2350
[ 1230.124888][   T42]  ? __pfx_load_module+0x10/0x10
[ 1230.125014][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1230.125144][   T42]  ? kernel_read_file+0x300/0x520
[ 1230.125272][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1230.125508][   T42]  ? init_module_from_file+0xd2/0x130
[ 1230.125637][   T42]  init_module_from_file+0xd2/0x130
[ 1230.125776][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1230.125932][   T42]  ? __lock_release+0x103/0x460
[ 1230.126057][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1230.126192][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1230.126320][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1230.126448][   T42]  idempotent_init_module+0x342/0x620
[ 1230.126577][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1230.126754][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1230.126890][   T42]  do_syscall_64+0xc6/0x1e0
[ 1230.127019][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.127195][   T42] RIP: 0033:0x7f93cc153e5d
[ 1230.127324][   T42] RSP: 002b:00007fff97ff1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1230.127512][   T42] RAX: ffffffffffffffda RBX: 0000557c14f43e90 RCX: 00007f93cc153e5d
[ 1230.127698][   T42] RDX: 0000000000000000 RSI: 0000557bf5357a2a RDI: 0000000000000001
[ 1230.127896][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557c14f444f0
[ 1230.128083][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bf5357a2a
[ 1230.128268][   T42] R13: 0000557c14f43e40 R14: 0000557c14f44570 R15: 0000000000000000
[ 1230.128465][   T42]  </TASK>
[ 1230.128562][   T42] 
[ 1230.128562][   T42] Showing all locks held in the system:
[ 1230.128751][   T42] 2 locks held by kworker/u20:0/39:
[ 1230.128895][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1230.129149][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1230.129433][   T42] 1 lock held by khungtaskd/42:
[ 1230.129556][   T42]  #0: ffffffffa85591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1230.129788][   T42] 3 locks held by kworker/u16:1/72:
[ 1230.129910][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1230.130156][   T42]  #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1230.130377][   T42]  #2: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1230.130602][   T42] 1 lock held by modprobe/456:
[ 1230.130720][   T42]  #0: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1230.130976][   T42] 
[ 1230.131037][   T42] =============================================
[ 1230.131037][   T42] 
[ 1234.271938][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1234.272481][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1234.272481][   T72]      netdev_get_by_index+0x5e/0x80
[ 1234.272481][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1234.272481][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1234.272481][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1234.272481][   T72]      ipv6_add_addr+0x411/0x2000
[ 1234.272481][   T72]      inet6_addr_add+0x30e/0xa40
[ 1234.272481][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1234.272481][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1234.272481][   T72]      netlink_rcv_skb+0x130/0x360
[ 1234.272481][   T72]      netlink_unicast+0x449/0x710
[ 1234.272481][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1234.272481][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1234.272481][   T72]      ___sys_sendmsg+0xee/0x170
[ 1234.272481][   T72]      __sys_sendmsg+0xcd/0x170
[ 1234.272481][   T72]      do_syscall_64+0xc6/0x1e0
[ 1234.272481][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1234.272481][   T72] 
[ 1234.275690][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1234.275690][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1234.275690][   T72]      ipv6_find_idev+0x102/0x170
[ 1234.275690][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1234.275690][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1234.275690][   T72]      netlink_rcv_skb+0x130/0x360
[ 1234.275690][   T72]      netlink_unicast+0x449/0x710
[ 1234.275690][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1234.275690][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1234.275690][   T72]      ___sys_sendmsg+0xee/0x170
[ 1234.275690][   T72]      __sys_sendmsg+0xcd/0x170
[ 1234.275690][   T72]      do_syscall_64+0xc6/0x1e0
[ 1234.275690][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1234.275690][   T72] 
[ 1234.278129][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1234.278129][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1234.278129][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1234.278129][   T72]      ipv6_find_idev+0x102/0x170
[ 1234.278129][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1234.278129][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1234.278129][   T72]      netlink_rcv_skb+0x130/0x360
[ 1234.278129][   T72]      netlink_unicast+0x449/0x710
[ 1234.278129][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1234.278129][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1234.278129][   T72]      ___sys_sendmsg+0xee/0x170
[ 1234.278129][   T72]      __sys_sendmsg+0xcd/0x170
[ 1234.278129][   T72]      do_syscall_64+0xc6/0x1e0
[ 1234.278129][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1234.278129][   T72] 
[ 1234.280629][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1234.280885][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1234.280885][   T72]      netdev_get_by_index+0x5e/0x80
[ 1234.280885][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1234.280885][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1234.280885][   T72]      ip6_route_add+0x1c/0x140
[ 1234.280885][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1234.280885][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1234.280885][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1234.280885][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1234.280885][   T72]      netlink_rcv_skb+0x130/0x360
[ 1234.280885][   T72]      netlink_unicast+0x449/0x710
[ 1234.280885][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1234.280885][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1234.280885][   T72]      ___sys_sendmsg+0xee/0x170
[ 1234.280885][   T72]      __sys_sendmsg+0xcd/0x170
[ 1234.280885][   T72]      do_syscall_64+0xc6/0x1e0
[ 1234.280885][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1234.280885][   T72] 
[ 1234.282907][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1234.282907][   T72]      netdev_get_by_index+0x5e/0x80
[ 1234.282907][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1234.282907][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1234.282907][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1234.282907][   T72]      ipv6_add_addr+0x411/0x2000
[ 1234.282907][   T72]      inet6_addr_add+0x30e/0xa40
[ 1234.282907][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1234.282907][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1234.282907][   T72]      netlink_rcv_skb+0x130/0x360
[ 1234.282907][   T72]      netlink_unicast+0x449/0x710
[ 1234.282907][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1234.282907][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1234.282907][   T72]      ___sys_sendmsg+0xee/0x170
[ 1234.282907][   T72]      __sys_sendmsg+0xcd/0x170
[ 1234.282907][   T72]      do_syscall_64+0xc6/0x1e0
[ 1234.282907][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1234.282907][   T72] 
[ 1234.284921][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1234.284921][   T72]      netdev_get_by_index+0x5e/0x80
[ 1234.284921][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1234.284921][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1234.284921][   T72]      ip6_route_add+0x1c/0x140
[ 1234.284921][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1234.284921][   T72]      addrconf_add_dev+0xe2/0x170
[ 1234.284921][   T72]      inet6_addr_add+0x12f/0xa40
[ 1234.284921][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1234.284921][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1234.284921][   T72]      netlink_rcv_skb+0x130/0x360
[ 1234.284921][   T72]      netlink_unicast+0x449/0x710
[ 1234.284921][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1234.284921][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1234.284921][   T72]      ___sys_sendmsg+0xee/0x170
[ 1234.284921][   T72]      __sys_sendmsg+0xcd/0x170
[ 1234.284921][   T72]      do_syscall_64+0xc6/0x1e0
[ 1234.284921][   T72] 
[ 1234.286920][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1234.286920][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1234.286920][   T72]      ipv6_find_idev+0x102/0x170
[ 1234.286920][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1234.286920][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1234.286920][   T72]      netlink_rcv_skb+0x130/0x360
[ 1234.286920][   T72]      netlink_unicast+0x449/0x710
[ 1234.286920][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1234.286920][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1234.286920][   T72]      ___sys_sendmsg+0xee/0x170
[ 1234.286920][   T72]      __sys_sendmsg+0xcd/0x170
[ 1234.286920][   T72]      do_syscall_64+0xc6/0x1e0
[ 1234.286920][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1234.286920][   T72] 
[ 1234.288487][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1234.288487][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1234.288487][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1234.288487][   T72]      ipv6_find_idev+0x102/0x170
[ 1234.288487][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1234.288487][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1234.288487][   T72]      netlink_rcv_skb+0x130/0x360
[ 1234.288487][   T72]      netlink_unicast+0x449/0x710
[ 1234.288487][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1234.288487][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1234.288487][   T72]      ___sys_sendmsg+0xee/0x170
[ 1234.288487][   T72]      __sys_sendmsg+0xcd/0x170
[ 1234.288487][   T72]      do_syscall_64+0xc6/0x1e0
[ 1234.288487][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1234.288487][   T72] 
[ 1244.336009][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1244.346147][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1244.346147][   T72]      netdev_get_by_index+0x5e/0x80
[ 1244.346147][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1244.346147][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1244.346147][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1244.346147][   T72]      ipv6_add_addr+0x411/0x2000
[ 1244.346147][   T72]      inet6_addr_add+0x30e/0xa40
[ 1244.346147][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1244.346147][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1244.346147][   T72]      netlink_rcv_skb+0x130/0x360
[ 1244.346147][   T72]      netlink_unicast+0x449/0x710
[ 1244.346147][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1244.346147][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1244.346147][   T72]      ___sys_sendmsg+0xee/0x170
[ 1244.346147][   T72]      __sys_sendmsg+0xcd/0x170
[ 1244.346147][   T72]      do_syscall_64+0xc6/0x1e0
[ 1244.346147][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1244.346147][   T72] 
[ 1244.358388][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1244.358388][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1244.358388][   T72]      ipv6_find_idev+0x102/0x170
[ 1244.358388][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1244.358388][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1244.358388][   T72]      netlink_rcv_skb+0x130/0x360
[ 1244.358388][   T72]      netlink_unicast+0x449/0x710
[ 1244.358388][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1244.358388][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1244.358388][   T72]      ___sys_sendmsg+0xee/0x170
[ 1244.358388][   T72]      __sys_sendmsg+0xcd/0x170
[ 1244.358388][   T72]      do_syscall_64+0xc6/0x1e0
[ 1244.358388][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1244.358388][   T72] 
[ 1244.363785][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1244.363785][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1244.363785][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1244.363785][   T72]      ipv6_find_idev+0x102/0x170
[ 1244.363785][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1244.363785][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1244.363785][   T72]      netlink_rcv_skb+0x130/0x360
[ 1244.363785][   T72]      netlink_unicast+0x449/0x710
[ 1244.363785][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1244.363785][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1244.363785][   T72]      ___sys_sendmsg+0xee/0x170
[ 1244.363785][   T72]      __sys_sendmsg+0xcd/0x170
[ 1244.363785][   T72]      do_syscall_64+0xc6/0x1e0
[ 1244.363785][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1244.363785][   T72] 
[ 1244.369353][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1244.370179][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1244.370179][   T72]      netdev_get_by_index+0x5e/0x80
[ 1244.370179][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1244.370179][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1244.370179][   T72]      ip6_route_add+0x1c/0x140
[ 1244.370179][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1244.370179][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1244.370179][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1244.370179][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1244.370179][   T72]      netlink_rcv_skb+0x130/0x360
[ 1244.370179][   T72]      netlink_unicast+0x449/0x710
[ 1244.370179][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1244.370179][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1244.370179][   T72]      ___sys_sendmsg+0xee/0x170
[ 1244.370179][   T72]      __sys_sendmsg+0xcd/0x170
[ 1244.370179][   T72]      do_syscall_64+0xc6/0x1e0
[ 1244.370179][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1244.370179][   T72] 
[ 1244.377788][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1244.377788][   T72]      netdev_get_by_index+0x5e/0x80
[ 1244.377788][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1244.377788][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1244.377788][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1244.377788][   T72]      ipv6_add_addr+0x411/0x2000
[ 1244.377788][   T72]      inet6_addr_add+0x30e/0xa40
[ 1244.377788][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1244.377788][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1244.377788][   T72]      netlink_rcv_skb+0x130/0x360
[ 1244.377788][   T72]      netlink_unicast+0x449/0x710
[ 1244.377788][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1244.377788][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1244.377788][   T72]      ___sys_sendmsg+0xee/0x170
[ 1244.377788][   T72]      __sys_sendmsg+0xcd/0x170
[ 1244.377788][   T72]      do_syscall_64+0xc6/0x1e0
[ 1244.377788][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1244.377788][   T72] 
[ 1244.384235][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1244.384235][   T72]      netdev_get_by_index+0x5e/0x80
[ 1244.384235][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1244.384235][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1244.384235][   T72]      ip6_route_add+0x1c/0x140
[ 1244.384235][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1244.384235][   T72]      addrconf_add_dev+0xe2/0x170
[ 1244.384235][   T72]      inet6_addr_add+0x12f/0xa40
[ 1244.384235][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1244.384235][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1244.384235][   T72]      netlink_rcv_skb+0x130/0x360
[ 1244.384235][   T72]      netlink_unicast+0x449/0x710
[ 1244.384235][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1244.384235][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1244.384235][   T72]      ___sys_sendmsg+0xee/0x170
[ 1244.384235][   T72]      __sys_sendmsg+0xcd/0x170
[ 1244.384235][   T72]      do_syscall_64+0xc6/0x1e0
[ 1244.384235][   T72] 
[ 1244.390959][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1244.390959][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1244.390959][   T72]      ipv6_find_idev+0x102/0x170
[ 1244.390959][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1244.390959][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1244.390959][   T72]      netlink_rcv_skb+0x130/0x360
[ 1244.390959][   T72]      netlink_unicast+0x449/0x710
[ 1244.390959][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1244.390959][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1244.390959][   T72]      ___sys_sendmsg+0xee/0x170
[ 1244.390959][   T72]      __sys_sendmsg+0xcd/0x170
[ 1244.390959][   T72]      do_syscall_64+0xc6/0x1e0
[ 1244.390959][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1244.390959][   T72] 
[ 1244.398984][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1244.398984][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1244.398984][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1244.398984][   T72]      ipv6_find_idev+0x102/0x170
[ 1244.398984][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1244.398984][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1244.398984][   T72]      netlink_rcv_skb+0x130/0x360
[ 1244.398984][   T72]      netlink_unicast+0x449/0x710
[ 1244.398984][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1244.398984][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1244.398984][   T72]      ___sys_sendmsg+0xee/0x170
[ 1244.398984][   T72]      __sys_sendmsg+0xcd/0x170
[ 1244.398984][   T72]      do_syscall_64+0xc6/0x1e0
[ 1244.398984][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1244.398984][   T72] 
[ 1254.655938][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1254.666472][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1254.666472][   T72]      netdev_get_by_index+0x5e/0x80
[ 1254.666472][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1254.666472][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1254.666472][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1254.666472][   T72]      ipv6_add_addr+0x411/0x2000
[ 1254.666472][   T72]      inet6_addr_add+0x30e/0xa40
[ 1254.666472][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1254.666472][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.666472][   T72]      netlink_rcv_skb+0x130/0x360
[ 1254.666472][   T72]      netlink_unicast+0x449/0x710
[ 1254.666472][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1254.666472][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.666472][   T72]      ___sys_sendmsg+0xee/0x170
[ 1254.666472][   T72]      __sys_sendmsg+0xcd/0x170
[ 1254.666472][   T72]      do_syscall_64+0xc6/0x1e0
[ 1254.666472][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.666472][   T72] 
[ 1254.674237][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1254.674237][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1254.674237][   T72]      ipv6_find_idev+0x102/0x170
[ 1254.674237][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1254.674237][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.674237][   T72]      netlink_rcv_skb+0x130/0x360
[ 1254.674237][   T72]      netlink_unicast+0x449/0x710
[ 1254.674237][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1254.674237][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.674237][   T72]      ___sys_sendmsg+0xee/0x170
[ 1254.674237][   T72]      __sys_sendmsg+0xcd/0x170
[ 1254.674237][   T72]      do_syscall_64+0xc6/0x1e0
[ 1254.674237][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.674237][   T72] 
[ 1254.679267][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1254.679267][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1254.679267][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1254.679267][   T72]      ipv6_find_idev+0x102/0x170
[ 1254.679267][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1254.679267][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.679267][   T72]      netlink_rcv_skb+0x130/0x360
[ 1254.679267][   T72]      netlink_unicast+0x449/0x710
[ 1254.679267][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1254.679267][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.679267][   T72]      ___sys_sendmsg+0xee/0x170
[ 1254.679267][   T72]      __sys_sendmsg+0xcd/0x170
[ 1254.679267][   T72]      do_syscall_64+0xc6/0x1e0
[ 1254.679267][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.679267][   T72] 
[ 1254.698401][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1254.700505][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1254.700505][   T72]      netdev_get_by_index+0x5e/0x80
[ 1254.700505][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1254.700505][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1254.700505][   T72]      ip6_route_add+0x1c/0x140
[ 1254.700505][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1254.700505][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1254.700505][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1254.700505][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.700505][   T72]      netlink_rcv_skb+0x130/0x360
[ 1254.700505][   T72]      netlink_unicast+0x449/0x710
[ 1254.700505][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1254.700505][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.700505][   T72]      ___sys_sendmsg+0xee/0x170
[ 1254.700505][   T72]      __sys_sendmsg+0xcd/0x170
[ 1254.700505][   T72]      do_syscall_64+0xc6/0x1e0
[ 1254.700505][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.700505][   T72] 
[ 1254.707505][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1254.707505][   T72]      netdev_get_by_index+0x5e/0x80
[ 1254.707505][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1254.707505][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1254.707505][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1254.707505][   T72]      ipv6_add_addr+0x411/0x2000
[ 1254.707505][   T72]      inet6_addr_add+0x30e/0xa40
[ 1254.707505][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1254.707505][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.707505][   T72]      netlink_rcv_skb+0x130/0x360
[ 1254.707505][   T72]      netlink_unicast+0x449/0x710
[ 1254.707505][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1254.707505][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.707505][   T72]      ___sys_sendmsg+0xee/0x170
[ 1254.707505][   T72]      __sys_sendmsg+0xcd/0x170
[ 1254.707505][   T72]      do_syscall_64+0xc6/0x1e0
[ 1254.707505][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.707505][   T72] 
[ 1254.713985][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1254.713985][   T72]      netdev_get_by_index+0x5e/0x80
[ 1254.713985][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1254.713985][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1254.713985][   T72]      ip6_route_add+0x1c/0x140
[ 1254.713985][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1254.713985][   T72]      addrconf_add_dev+0xe2/0x170
[ 1254.713985][   T72]      inet6_addr_add+0x12f/0xa40
[ 1254.713985][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1254.713985][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.713985][   T72]      netlink_rcv_skb+0x130/0x360
[ 1254.713985][   T72]      netlink_unicast+0x449/0x710
[ 1254.713985][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1254.713985][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.713985][   T72]      ___sys_sendmsg+0xee/0x170
[ 1254.713985][   T72]      __sys_sendmsg+0xcd/0x170
[ 1254.713985][   T72]      do_syscall_64+0xc6/0x1e0
[ 1254.713985][   T72] 
[ 1254.720075][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1254.720075][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1254.720075][   T72]      ipv6_find_idev+0x102/0x170
[ 1254.720075][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1254.720075][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.720075][   T72]      netlink_rcv_skb+0x130/0x360
[ 1254.720075][   T72]      netlink_unicast+0x449/0x710
[ 1254.720075][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1254.720075][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.720075][   T72]      ___sys_sendmsg+0xee/0x170
[ 1254.720075][   T72]      __sys_sendmsg+0xcd/0x170
[ 1254.720075][   T72]      do_syscall_64+0xc6/0x1e0
[ 1254.720075][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.720075][   T72] 
[ 1254.724898][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1254.724898][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1254.724898][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1254.724898][   T72]      ipv6_find_idev+0x102/0x170
[ 1254.724898][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1254.724898][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1254.724898][   T72]      netlink_rcv_skb+0x130/0x360
[ 1254.724898][   T72]      netlink_unicast+0x449/0x710
[ 1254.724898][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1254.724898][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1254.724898][   T72]      ___sys_sendmsg+0xee/0x170
[ 1254.724898][   T72]      __sys_sendmsg+0xcd/0x170
[ 1254.724898][   T72]      do_syscall_64+0xc6/0x1e0
[ 1254.724898][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1254.724898][   T72] 
[ 1264.984112][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1264.984843][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1264.984843][   T72]      netdev_get_by_index+0x5e/0x80
[ 1264.984843][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1264.984843][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1264.984843][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1264.984843][   T72]      ipv6_add_addr+0x411/0x2000
[ 1264.984843][   T72]      inet6_addr_add+0x30e/0xa40
[ 1264.984843][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1264.984843][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.984843][   T72]      netlink_rcv_skb+0x130/0x360
[ 1264.984843][   T72]      netlink_unicast+0x449/0x710
[ 1264.984843][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1264.984843][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.984843][   T72]      ___sys_sendmsg+0xee/0x170
[ 1264.984843][   T72]      __sys_sendmsg+0xcd/0x170
[ 1264.984843][   T72]      do_syscall_64+0xc6/0x1e0
[ 1264.984843][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.984843][   T72] 
[ 1264.988682][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1264.988682][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1264.988682][   T72]      ipv6_find_idev+0x102/0x170
[ 1264.988682][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1264.988682][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.988682][   T72]      netlink_rcv_skb+0x130/0x360
[ 1264.988682][   T72]      netlink_unicast+0x449/0x710
[ 1264.988682][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1264.988682][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.988682][   T72]      ___sys_sendmsg+0xee/0x170
[ 1264.988682][   T72]      __sys_sendmsg+0xcd/0x170
[ 1264.988682][   T72]      do_syscall_64+0xc6/0x1e0
[ 1264.988682][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.988682][   T72] 
[ 1264.991691][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1264.991691][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1264.991691][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1264.991691][   T72]      ipv6_find_idev+0x102/0x170
[ 1264.991691][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1264.991691][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.991691][   T72]      netlink_rcv_skb+0x130/0x360
[ 1264.991691][   T72]      netlink_unicast+0x449/0x710
[ 1264.991691][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1264.991691][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.991691][   T72]      ___sys_sendmsg+0xee/0x170
[ 1264.991691][   T72]      __sys_sendmsg+0xcd/0x170
[ 1264.991691][   T72]      do_syscall_64+0xc6/0x1e0
[ 1264.991691][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.991691][   T72] 
[ 1264.994963][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1264.995534][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1264.995534][   T72]      netdev_get_by_index+0x5e/0x80
[ 1264.995534][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1264.995534][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1264.995534][   T72]      ip6_route_add+0x1c/0x140
[ 1264.995534][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1264.995534][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1264.995534][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1264.995534][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.995534][   T72]      netlink_rcv_skb+0x130/0x360
[ 1264.995534][   T72]      netlink_unicast+0x449/0x710
[ 1264.995534][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1264.995534][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.995534][   T72]      ___sys_sendmsg+0xee/0x170
[ 1264.995534][   T72]      __sys_sendmsg+0xcd/0x170
[ 1264.995534][   T72]      do_syscall_64+0xc6/0x1e0
[ 1264.995534][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.995534][   T72] 
[ 1264.999422][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1264.999422][   T72]      netdev_get_by_index+0x5e/0x80
[ 1264.999422][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1264.999422][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1264.999422][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1264.999422][   T72]      ipv6_add_addr+0x411/0x2000
[ 1264.999422][   T72]      inet6_addr_add+0x30e/0xa40
[ 1264.999422][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1264.999422][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1264.999422][   T72]      netlink_rcv_skb+0x130/0x360
[ 1264.999422][   T72]      netlink_unicast+0x449/0x710
[ 1264.999422][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1264.999422][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1264.999422][   T72]      ___sys_sendmsg+0xee/0x170
[ 1264.999422][   T72]      __sys_sendmsg+0xcd/0x170
[ 1264.999422][   T72]      do_syscall_64+0xc6/0x1e0
[ 1264.999422][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1264.999422][   T72] 
[ 1265.003169][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1265.003169][   T72]      netdev_get_by_index+0x5e/0x80
[ 1265.003169][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1265.003169][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1265.003169][   T72]      ip6_route_add+0x1c/0x140
[ 1265.003169][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1265.003169][   T72]      addrconf_add_dev+0xe2/0x170
[ 1265.003169][   T72]      inet6_addr_add+0x12f/0xa40
[ 1265.003169][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1265.003169][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1265.003169][   T72]      netlink_rcv_skb+0x130/0x360
[ 1265.003169][   T72]      netlink_unicast+0x449/0x710
[ 1265.003169][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1265.003169][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1265.003169][   T72]      ___sys_sendmsg+0xee/0x170
[ 1265.003169][   T72]      __sys_sendmsg+0xcd/0x170
[ 1265.003169][   T72]      do_syscall_64+0xc6/0x1e0
[ 1265.003169][   T72] 
[ 1265.012211][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1265.012211][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1265.012211][   T72]      ipv6_find_idev+0x102/0x170
[ 1265.012211][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1265.012211][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1265.012211][   T72]      netlink_rcv_skb+0x130/0x360
[ 1265.012211][   T72]      netlink_unicast+0x449/0x710
[ 1265.012211][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1265.012211][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1265.012211][   T72]      ___sys_sendmsg+0xee/0x170
[ 1265.012211][   T72]      __sys_sendmsg+0xcd/0x170
[ 1265.012211][   T72]      do_syscall_64+0xc6/0x1e0
[ 1265.012211][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1265.012211][   T72] 
[ 1265.017176][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1265.017176][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1265.017176][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1265.017176][   T72]      ipv6_find_idev+0x102/0x170
[ 1265.017176][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1265.017176][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1265.017176][   T72]      netlink_rcv_skb+0x130/0x360
[ 1265.017176][   T72]      netlink_unicast+0x449/0x710
[ 1265.017176][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1265.017176][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1265.017176][   T72]      ___sys_sendmsg+0xee/0x170
[ 1265.017176][   T72]      __sys_sendmsg+0xcd/0x170
[ 1265.017176][   T72]      do_syscall_64+0xc6/0x1e0
[ 1265.017176][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1265.017176][   T72] 
[ 1275.295941][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1275.296405][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1275.296405][   T72]      netdev_get_by_index+0x5e/0x80
[ 1275.296405][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1275.296405][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1275.296405][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1275.296405][   T72]      ipv6_add_addr+0x411/0x2000
[ 1275.296405][   T72]      inet6_addr_add+0x30e/0xa40
[ 1275.296405][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1275.296405][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1275.296405][   T72]      netlink_rcv_skb+0x130/0x360
[ 1275.296405][   T72]      netlink_unicast+0x449/0x710
[ 1275.296405][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1275.296405][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1275.296405][   T72]      ___sys_sendmsg+0xee/0x170
[ 1275.296405][   T72]      __sys_sendmsg+0xcd/0x170
[ 1275.296405][   T72]      do_syscall_64+0xc6/0x1e0
[ 1275.296405][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1275.296405][   T72] 
[ 1275.298470][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1275.298470][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1275.298470][   T72]      ipv6_find_idev+0x102/0x170
[ 1275.298470][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1275.298470][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1275.298470][   T72]      netlink_rcv_skb+0x130/0x360
[ 1275.298470][   T72]      netlink_unicast+0x449/0x710
[ 1275.298470][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1275.298470][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1275.298470][   T72]      ___sys_sendmsg+0xee/0x170
[ 1275.298470][   T72]      __sys_sendmsg+0xcd/0x170
[ 1275.298470][   T72]      do_syscall_64+0xc6/0x1e0
[ 1275.298470][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1275.298470][   T72] 
[ 1275.300029][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1275.300029][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1275.300029][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1275.300029][   T72]      ipv6_find_idev+0x102/0x170
[ 1275.300029][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1275.300029][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1275.300029][   T72]      netlink_rcv_skb+0x130/0x360
[ 1275.300029][   T72]      netlink_unicast+0x449/0x710
[ 1275.300029][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1275.300029][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1275.300029][   T72]      ___sys_sendmsg+0xee/0x170
[ 1275.300029][   T72]      __sys_sendmsg+0xcd/0x170
[ 1275.300029][   T72]      do_syscall_64+0xc6/0x1e0
[ 1275.300029][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1275.300029][   T72] 
[ 1275.301739][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1275.302014][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1275.302014][   T72]      netdev_get_by_index+0x5e/0x80
[ 1275.302014][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1275.302014][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1275.302014][   T72]      ip6_route_add+0x1c/0x140
[ 1275.302014][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1275.302014][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1275.302014][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1275.302014][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1275.302014][   T72]      netlink_rcv_skb+0x130/0x360
[ 1275.302014][   T72]      netlink_unicast+0x449/0x710
[ 1275.302014][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1275.302014][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1275.302014][   T72]      ___sys_sendmsg+0xee/0x170
[ 1275.302014][   T72]      __sys_sendmsg+0xcd/0x170
[ 1275.302014][   T72]      do_syscall_64+0xc6/0x1e0
[ 1275.302014][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1275.302014][   T72] 
[ 1275.304409][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1275.304409][   T72]      netdev_get_by_index+0x5e/0x80
[ 1275.304409][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1275.304409][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1275.304409][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1275.304409][   T72]      ipv6_add_addr+0x411/0x2000
[ 1275.304409][   T72]      inet6_addr_add+0x30e/0xa40
[ 1275.304409][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1275.304409][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1275.304409][   T72]      netlink_rcv_skb+0x130/0x360
[ 1275.304409][   T72]      netlink_unicast+0x449/0x710
[ 1275.304409][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1275.304409][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1275.304409][   T72]      ___sys_sendmsg+0xee/0x170
[ 1275.304409][   T72]      __sys_sendmsg+0xcd/0x170
[ 1275.304409][   T72]      do_syscall_64+0xc6/0x1e0
[ 1275.304409][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1275.304409][   T72] 
[ 1275.306447][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1275.306447][   T72]      netdev_get_by_index+0x5e/0x80
[ 1275.306447][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1275.306447][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1275.306447][   T72]      ip6_route_add+0x1c/0x140
[ 1275.306447][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1275.306447][   T72]      addrconf_add_dev+0xe2/0x170
[ 1275.306447][   T72]      inet6_addr_add+0x12f/0xa40
[ 1275.306447][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1275.306447][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1275.306447][   T72]      netlink_rcv_skb+0x130/0x360
[ 1275.306447][   T72]      netlink_unicast+0x449/0x710
[ 1275.306447][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1275.306447][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1275.306447][   T72]      ___sys_sendmsg+0xee/0x170
[ 1275.306447][   T72]      __sys_sendmsg+0xcd/0x170
[ 1275.306447][   T72]      do_syscall_64+0xc6/0x1e0
[ 1275.306447][   T72] 
[ 1275.308465][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1275.308465][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1275.308465][   T72]      ipv6_find_idev+0x102/0x170
[ 1275.308465][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1275.308465][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1275.308465][   T72]      netlink_rcv_skb+0x130/0x360
[ 1275.308465][   T72]      netlink_unicast+0x449/0x710
[ 1275.308465][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1275.308465][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1275.308465][   T72]      ___sys_sendmsg+0xee/0x170
[ 1275.308465][   T72]      __sys_sendmsg+0xcd/0x170
[ 1275.308465][   T72]      do_syscall_64+0xc6/0x1e0
[ 1275.308465][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1275.308465][   T72] 
[ 1275.310019][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1275.310019][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1275.310019][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1275.310019][   T72]      ipv6_find_idev+0x102/0x170
[ 1275.310019][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1275.310019][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1275.310019][   T72]      netlink_rcv_skb+0x130/0x360
[ 1275.310019][   T72]      netlink_unicast+0x449/0x710
[ 1275.310019][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1275.310019][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1275.310019][   T72]      ___sys_sendmsg+0xee/0x170
[ 1275.310019][   T72]      __sys_sendmsg+0xcd/0x170
[ 1275.310019][   T72]      do_syscall_64+0xc6/0x1e0
[ 1275.310019][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1275.310019][   T72] 
[ 1285.311903][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1285.312300][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1285.312300][   T72]      netdev_get_by_index+0x5e/0x80
[ 1285.312300][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1285.312300][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1285.312300][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1285.312300][   T72]      ipv6_add_addr+0x411/0x2000
[ 1285.312300][   T72]      inet6_addr_add+0x30e/0xa40
[ 1285.312300][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1285.312300][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1285.312300][   T72]      netlink_rcv_skb+0x130/0x360
[ 1285.312300][   T72]      netlink_unicast+0x449/0x710
[ 1285.312300][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1285.312300][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1285.312300][   T72]      ___sys_sendmsg+0xee/0x170
[ 1285.312300][   T72]      __sys_sendmsg+0xcd/0x170
[ 1285.312300][   T72]      do_syscall_64+0xc6/0x1e0
[ 1285.312300][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1285.312300][   T72] 
[ 1285.314379][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1285.314379][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1285.314379][   T72]      ipv6_find_idev+0x102/0x170
[ 1285.314379][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1285.314379][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1285.314379][   T72]      netlink_rcv_skb+0x130/0x360
[ 1285.314379][   T72]      netlink_unicast+0x449/0x710
[ 1285.314379][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1285.314379][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1285.314379][   T72]      ___sys_sendmsg+0xee/0x170
[ 1285.314379][   T72]      __sys_sendmsg+0xcd/0x170
[ 1285.314379][   T72]      do_syscall_64+0xc6/0x1e0
[ 1285.314379][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1285.314379][   T72] 
[ 1285.315951][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1285.315951][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1285.315951][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1285.315951][   T72]      ipv6_find_idev+0x102/0x170
[ 1285.315951][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1285.315951][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1285.315951][   T72]      netlink_rcv_skb+0x130/0x360
[ 1285.315951][   T72]      netlink_unicast+0x449/0x710
[ 1285.315951][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1285.315951][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1285.315951][   T72]      ___sys_sendmsg+0xee/0x170
[ 1285.315951][   T72]      __sys_sendmsg+0xcd/0x170
[ 1285.315951][   T72]      do_syscall_64+0xc6/0x1e0
[ 1285.315951][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1285.315951][   T72] 
[ 1285.317666][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1285.318026][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1285.318026][   T72]      netdev_get_by_index+0x5e/0x80
[ 1285.318026][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1285.318026][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1285.318026][   T72]      ip6_route_add+0x1c/0x140
[ 1285.318026][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1285.318026][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1285.318026][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1285.318026][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1285.318026][   T72]      netlink_rcv_skb+0x130/0x360
[ 1285.318026][   T72]      netlink_unicast+0x449/0x710
[ 1285.318026][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1285.318026][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1285.318026][   T72]      ___sys_sendmsg+0xee/0x170
[ 1285.318026][   T72]      __sys_sendmsg+0xcd/0x170
[ 1285.318026][   T72]      do_syscall_64+0xc6/0x1e0
[ 1285.318026][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1285.318026][   T72] 
[ 1285.320053][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1285.320053][   T72]      netdev_get_by_index+0x5e/0x80
[ 1285.320053][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1285.320053][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1285.320053][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1285.320053][   T72]      ipv6_add_addr+0x411/0x2000
[ 1285.320053][   T72]      inet6_addr_add+0x30e/0xa40
[ 1285.320053][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1285.320053][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1285.320053][   T72]      netlink_rcv_skb+0x130/0x360
[ 1285.320053][   T72]      netlink_unicast+0x449/0x710
[ 1285.320053][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1285.320053][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1285.320053][   T72]      ___sys_sendmsg+0xee/0x170
[ 1285.320053][   T72]      __sys_sendmsg+0xcd/0x170
[ 1285.320053][   T72]      do_syscall_64+0xc6/0x1e0
[ 1285.320053][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1285.320053][   T72] 
[ 1285.322075][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1285.322075][   T72]      netdev_get_by_index+0x5e/0x80
[ 1285.322075][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1285.322075][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1285.322075][   T72]      ip6_route_add+0x1c/0x140
[ 1285.322075][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1285.322075][   T72]      addrconf_add_dev+0xe2/0x170
[ 1285.322075][   T72]      inet6_addr_add+0x12f/0xa40
[ 1285.322075][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1285.322075][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1285.322075][   T72]      netlink_rcv_skb+0x130/0x360
[ 1285.322075][   T72]      netlink_unicast+0x449/0x710
[ 1285.322075][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1285.322075][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1285.322075][   T72]      ___sys_sendmsg+0xee/0x170
[ 1285.322075][   T72]      __sys_sendmsg+0xcd/0x170
[ 1285.322075][   T72]      do_syscall_64+0xc6/0x1e0
[ 1285.322075][   T72] 
[ 1285.324066][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1285.324066][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1285.324066][   T72]      ipv6_find_idev+0x102/0x170
[ 1285.324066][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1285.324066][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1285.324066][   T72]      netlink_rcv_skb+0x130/0x360
[ 1285.324066][   T72]      netlink_unicast+0x449/0x710
[ 1285.324066][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1285.324066][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1285.324066][   T72]      ___sys_sendmsg+0xee/0x170
[ 1285.324066][   T72]      __sys_sendmsg+0xcd/0x170
[ 1285.324066][   T72]      do_syscall_64+0xc6/0x1e0
[ 1285.324066][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1285.324066][   T72] 
[ 1285.325655][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1285.325655][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1285.325655][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1285.325655][   T72]      ipv6_find_idev+0x102/0x170
[ 1285.325655][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1285.325655][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1285.325655][   T72]      netlink_rcv_skb+0x130/0x360
[ 1285.325655][   T72]      netlink_unicast+0x449/0x710
[ 1285.325655][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1285.325655][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1285.325655][   T72]      ___sys_sendmsg+0xee/0x170
[ 1285.325655][   T72]      __sys_sendmsg+0xcd/0x170
[ 1285.325655][   T72]      do_syscall_64+0xc6/0x1e0
[ 1285.325655][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1285.325655][   T72] 
[ 1295.423878][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1295.424333][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1295.424333][   T72]      netdev_get_by_index+0x5e/0x80
[ 1295.424333][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1295.424333][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1295.424333][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1295.424333][   T72]      ipv6_add_addr+0x411/0x2000
[ 1295.424333][   T72]      inet6_addr_add+0x30e/0xa40
[ 1295.424333][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1295.424333][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1295.424333][   T72]      netlink_rcv_skb+0x130/0x360
[ 1295.424333][   T72]      netlink_unicast+0x449/0x710
[ 1295.424333][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1295.424333][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1295.424333][   T72]      ___sys_sendmsg+0xee/0x170
[ 1295.424333][   T72]      __sys_sendmsg+0xcd/0x170
[ 1295.424333][   T72]      do_syscall_64+0xc6/0x1e0
[ 1295.424333][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1295.424333][   T72] 
[ 1295.426488][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1295.426488][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1295.426488][   T72]      ipv6_find_idev+0x102/0x170
[ 1295.426488][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1295.426488][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1295.426488][   T72]      netlink_rcv_skb+0x130/0x360
[ 1295.426488][   T72]      netlink_unicast+0x449/0x710
[ 1295.426488][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1295.426488][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1295.426488][   T72]      ___sys_sendmsg+0xee/0x170
[ 1295.426488][   T72]      __sys_sendmsg+0xcd/0x170
[ 1295.426488][   T72]      do_syscall_64+0xc6/0x1e0
[ 1295.426488][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1295.426488][   T72] 
[ 1295.428067][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1295.428067][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1295.428067][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1295.428067][   T72]      ipv6_find_idev+0x102/0x170
[ 1295.428067][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1295.428067][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1295.428067][   T72]      netlink_rcv_skb+0x130/0x360
[ 1295.428067][   T72]      netlink_unicast+0x449/0x710
[ 1295.428067][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1295.428067][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1295.428067][   T72]      ___sys_sendmsg+0xee/0x170
[ 1295.428067][   T72]      __sys_sendmsg+0xcd/0x170
[ 1295.428067][   T72]      do_syscall_64+0xc6/0x1e0
[ 1295.428067][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1295.428067][   T72] 
[ 1295.429782][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1295.430573][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1295.430573][   T72]      netdev_get_by_index+0x5e/0x80
[ 1295.430573][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1295.430573][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1295.430573][   T72]      ip6_route_add+0x1c/0x140
[ 1295.430573][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1295.430573][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1295.430573][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1295.430573][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1295.430573][   T72]      netlink_rcv_skb+0x130/0x360
[ 1295.430573][   T72]      netlink_unicast+0x449/0x710
[ 1295.430573][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1295.430573][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1295.430573][   T72]      ___sys_sendmsg+0xee/0x170
[ 1295.430573][   T72]      __sys_sendmsg+0xcd/0x170
[ 1295.430573][   T72]      do_syscall_64+0xc6/0x1e0
[ 1295.430573][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1295.430573][   T72] 
[ 1295.432601][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1295.432601][   T72]      netdev_get_by_index+0x5e/0x80
[ 1295.432601][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1295.432601][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1295.432601][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1295.432601][   T72]      ipv6_add_addr+0x411/0x2000
[ 1295.432601][   T72]      inet6_addr_add+0x30e/0xa40
[ 1295.432601][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1295.432601][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1295.432601][   T72]      netlink_rcv_skb+0x130/0x360
[ 1295.432601][   T72]      netlink_unicast+0x449/0x710
[ 1295.432601][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1295.432601][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1295.432601][   T72]      ___sys_sendmsg+0xee/0x170
[ 1295.432601][   T72]      __sys_sendmsg+0xcd/0x170
[ 1295.432601][   T72]      do_syscall_64+0xc6/0x1e0
[ 1295.432601][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1295.432601][   T72] 
[ 1295.434627][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1295.434627][   T72]      netdev_get_by_index+0x5e/0x80
[ 1295.434627][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1295.434627][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1295.434627][   T72]      ip6_route_add+0x1c/0x140
[ 1295.434627][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1295.434627][   T72]      addrconf_add_dev+0xe2/0x170
[ 1295.434627][   T72]      inet6_addr_add+0x12f/0xa40
[ 1295.434627][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1295.434627][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1295.434627][   T72]      netlink_rcv_skb+0x130/0x360
[ 1295.434627][   T72]      netlink_unicast+0x449/0x710
[ 1295.434627][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1295.434627][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1295.434627][   T72]      ___sys_sendmsg+0xee/0x170
[ 1295.434627][   T72]      __sys_sendmsg+0xcd/0x170
[ 1295.434627][   T72]      do_syscall_64+0xc6/0x1e0
[ 1295.434627][   T72] 
[ 1295.436625][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1295.436625][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1295.436625][   T72]      ipv6_find_idev+0x102/0x170
[ 1295.436625][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1295.436625][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1295.436625][   T72]      netlink_rcv_skb+0x130/0x360
[ 1295.436625][   T72]      netlink_unicast+0x449/0x710
[ 1295.436625][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1295.436625][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1295.436625][   T72]      ___sys_sendmsg+0xee/0x170
[ 1295.436625][   T72]      __sys_sendmsg+0xcd/0x170
[ 1295.436625][   T72]      do_syscall_64+0xc6/0x1e0
[ 1295.436625][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1295.436625][   T72] 
[ 1295.438192][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1295.438192][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1295.438192][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1295.438192][   T72]      ipv6_find_idev+0x102/0x170
[ 1295.438192][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1295.438192][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1295.438192][   T72]      netlink_rcv_skb+0x130/0x360
[ 1295.438192][   T72]      netlink_unicast+0x449/0x710
[ 1295.438192][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1295.438192][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1295.438192][   T72]      ___sys_sendmsg+0xee/0x170
[ 1295.438192][   T72]      __sys_sendmsg+0xcd/0x170
[ 1295.438192][   T72]      do_syscall_64+0xc6/0x1e0
[ 1295.438192][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1295.438192][   T72] 
[ 1305.487996][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1305.488410][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1305.488410][   T72]      netdev_get_by_index+0x5e/0x80
[ 1305.488410][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1305.488410][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1305.488410][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1305.488410][   T72]      ipv6_add_addr+0x411/0x2000
[ 1305.488410][   T72]      inet6_addr_add+0x30e/0xa40
[ 1305.488410][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1305.488410][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.488410][   T72]      netlink_rcv_skb+0x130/0x360
[ 1305.488410][   T72]      netlink_unicast+0x449/0x710
[ 1305.488410][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1305.488410][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.488410][   T72]      ___sys_sendmsg+0xee/0x170
[ 1305.488410][   T72]      __sys_sendmsg+0xcd/0x170
[ 1305.488410][   T72]      do_syscall_64+0xc6/0x1e0
[ 1305.488410][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.488410][   T72] 
[ 1305.490479][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1305.490479][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1305.490479][   T72]      ipv6_find_idev+0x102/0x170
[ 1305.490479][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1305.490479][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.490479][   T72]      netlink_rcv_skb+0x130/0x360
[ 1305.490479][   T72]      netlink_unicast+0x449/0x710
[ 1305.490479][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1305.490479][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.490479][   T72]      ___sys_sendmsg+0xee/0x170
[ 1305.490479][   T72]      __sys_sendmsg+0xcd/0x170
[ 1305.490479][   T72]      do_syscall_64+0xc6/0x1e0
[ 1305.490479][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.490479][   T72] 
[ 1305.492100][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1305.492100][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1305.492100][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1305.492100][   T72]      ipv6_find_idev+0x102/0x170
[ 1305.492100][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1305.492100][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.492100][   T72]      netlink_rcv_skb+0x130/0x360
[ 1305.492100][   T72]      netlink_unicast+0x449/0x710
[ 1305.492100][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1305.492100][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.492100][   T72]      ___sys_sendmsg+0xee/0x170
[ 1305.492100][   T72]      __sys_sendmsg+0xcd/0x170
[ 1305.492100][   T72]      do_syscall_64+0xc6/0x1e0
[ 1305.492100][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.492100][   T72] 
[ 1305.493860][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1305.494108][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1305.494108][   T72]      netdev_get_by_index+0x5e/0x80
[ 1305.494108][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1305.494108][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1305.494108][   T72]      ip6_route_add+0x1c/0x140
[ 1305.494108][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1305.494108][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1305.494108][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1305.494108][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.494108][   T72]      netlink_rcv_skb+0x130/0x360
[ 1305.494108][   T72]      netlink_unicast+0x449/0x710
[ 1305.494108][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1305.494108][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.494108][   T72]      ___sys_sendmsg+0xee/0x170
[ 1305.494108][   T72]      __sys_sendmsg+0xcd/0x170
[ 1305.494108][   T72]      do_syscall_64+0xc6/0x1e0
[ 1305.494108][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.494108][   T72] 
[ 1305.496169][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1305.496169][   T72]      netdev_get_by_index+0x5e/0x80
[ 1305.496169][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1305.496169][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1305.496169][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1305.496169][   T72]      ipv6_add_addr+0x411/0x2000
[ 1305.496169][   T72]      inet6_addr_add+0x30e/0xa40
[ 1305.496169][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1305.496169][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.496169][   T72]      netlink_rcv_skb+0x130/0x360
[ 1305.496169][   T72]      netlink_unicast+0x449/0x710
[ 1305.496169][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1305.496169][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.496169][   T72]      ___sys_sendmsg+0xee/0x170
[ 1305.496169][   T72]      __sys_sendmsg+0xcd/0x170
[ 1305.496169][   T72]      do_syscall_64+0xc6/0x1e0
[ 1305.496169][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.496169][   T72] 
[ 1305.498220][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1305.498220][   T72]      netdev_get_by_index+0x5e/0x80
[ 1305.498220][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1305.498220][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1305.498220][   T72]      ip6_route_add+0x1c/0x140
[ 1305.498220][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1305.498220][   T72]      addrconf_add_dev+0xe2/0x170
[ 1305.498220][   T72]      inet6_addr_add+0x12f/0xa40
[ 1305.498220][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1305.498220][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.498220][   T72]      netlink_rcv_skb+0x130/0x360
[ 1305.498220][   T72]      netlink_unicast+0x449/0x710
[ 1305.498220][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1305.498220][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.498220][   T72]      ___sys_sendmsg+0xee/0x170
[ 1305.498220][   T72]      __sys_sendmsg+0xcd/0x170
[ 1305.498220][   T72]      do_syscall_64+0xc6/0x1e0
[ 1305.498220][   T72] 
[ 1305.500217][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1305.500217][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1305.500217][   T72]      ipv6_find_idev+0x102/0x170
[ 1305.500217][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1305.500217][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.500217][   T72]      netlink_rcv_skb+0x130/0x360
[ 1305.500217][   T72]      netlink_unicast+0x449/0x710
[ 1305.500217][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1305.500217][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.500217][   T72]      ___sys_sendmsg+0xee/0x170
[ 1305.500217][   T72]      __sys_sendmsg+0xcd/0x170
[ 1305.500217][   T72]      do_syscall_64+0xc6/0x1e0
[ 1305.500217][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.500217][   T72] 
[ 1305.501778][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1305.501778][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1305.501778][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1305.501778][   T72]      ipv6_find_idev+0x102/0x170
[ 1305.501778][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1305.501778][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1305.501778][   T72]      netlink_rcv_skb+0x130/0x360
[ 1305.501778][   T72]      netlink_unicast+0x449/0x710
[ 1305.501778][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1305.501778][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1305.501778][   T72]      ___sys_sendmsg+0xee/0x170
[ 1305.501778][   T72]      __sys_sendmsg+0xcd/0x170
[ 1305.501778][   T72]      do_syscall_64+0xc6/0x1e0
[ 1305.501778][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1305.501778][   T72] 
[ 1315.727852][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1315.728248][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1315.728248][   T72]      netdev_get_by_index+0x5e/0x80
[ 1315.728248][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1315.728248][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1315.728248][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1315.728248][   T72]      ipv6_add_addr+0x411/0x2000
[ 1315.728248][   T72]      inet6_addr_add+0x30e/0xa40
[ 1315.728248][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1315.728248][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.728248][   T72]      netlink_rcv_skb+0x130/0x360
[ 1315.728248][   T72]      netlink_unicast+0x449/0x710
[ 1315.728248][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1315.728248][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.728248][   T72]      ___sys_sendmsg+0xee/0x170
[ 1315.728248][   T72]      __sys_sendmsg+0xcd/0x170
[ 1315.728248][   T72]      do_syscall_64+0xc6/0x1e0
[ 1315.728248][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.728248][   T72] 
[ 1315.730286][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1315.730286][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1315.730286][   T72]      ipv6_find_idev+0x102/0x170
[ 1315.730286][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1315.730286][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.730286][   T72]      netlink_rcv_skb+0x130/0x360
[ 1315.730286][   T72]      netlink_unicast+0x449/0x710
[ 1315.730286][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1315.730286][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.730286][   T72]      ___sys_sendmsg+0xee/0x170
[ 1315.730286][   T72]      __sys_sendmsg+0xcd/0x170
[ 1315.730286][   T72]      do_syscall_64+0xc6/0x1e0
[ 1315.730286][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.730286][   T72] 
[ 1315.731843][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1315.731843][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1315.731843][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1315.731843][   T72]      ipv6_find_idev+0x102/0x170
[ 1315.731843][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1315.731843][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.731843][   T72]      netlink_rcv_skb+0x130/0x360
[ 1315.731843][   T72]      netlink_unicast+0x449/0x710
[ 1315.731843][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1315.731843][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.731843][   T72]      ___sys_sendmsg+0xee/0x170
[ 1315.731843][   T72]      __sys_sendmsg+0xcd/0x170
[ 1315.731843][   T72]      do_syscall_64+0xc6/0x1e0
[ 1315.731843][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.731843][   T72] 
[ 1315.733559][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1315.733809][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1315.733809][   T72]      netdev_get_by_index+0x5e/0x80
[ 1315.733809][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1315.733809][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1315.733809][   T72]      ip6_route_add+0x1c/0x140
[ 1315.733809][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1315.733809][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1315.733809][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1315.733809][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.733809][   T72]      netlink_rcv_skb+0x130/0x360
[ 1315.733809][   T72]      netlink_unicast+0x449/0x710
[ 1315.733809][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1315.733809][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.733809][   T72]      ___sys_sendmsg+0xee/0x170
[ 1315.733809][   T72]      __sys_sendmsg+0xcd/0x170
[ 1315.733809][   T72]      do_syscall_64+0xc6/0x1e0
[ 1315.733809][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.733809][   T72] 
[ 1315.735837][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1315.735837][   T72]      netdev_get_by_index+0x5e/0x80
[ 1315.735837][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1315.735837][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1315.735837][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1315.735837][   T72]      ipv6_add_addr+0x411/0x2000
[ 1315.735837][   T72]      inet6_addr_add+0x30e/0xa40
[ 1315.735837][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1315.735837][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.735837][   T72]      netlink_rcv_skb+0x130/0x360
[ 1315.735837][   T72]      netlink_unicast+0x449/0x710
[ 1315.735837][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1315.735837][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.735837][   T72]      ___sys_sendmsg+0xee/0x170
[ 1315.735837][   T72]      __sys_sendmsg+0xcd/0x170
[ 1315.735837][   T72]      do_syscall_64+0xc6/0x1e0
[ 1315.735837][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.735837][   T72] 
[ 1315.737851][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1315.737851][   T72]      netdev_get_by_index+0x5e/0x80
[ 1315.737851][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1315.737851][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1315.737851][   T72]      ip6_route_add+0x1c/0x140
[ 1315.737851][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1315.737851][   T72]      addrconf_add_dev+0xe2/0x170
[ 1315.737851][   T72]      inet6_addr_add+0x12f/0xa40
[ 1315.737851][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1315.737851][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.737851][   T72]      netlink_rcv_skb+0x130/0x360
[ 1315.737851][   T72]      netlink_unicast+0x449/0x710
[ 1315.737851][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1315.737851][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.737851][   T72]      ___sys_sendmsg+0xee/0x170
[ 1315.737851][   T72]      __sys_sendmsg+0xcd/0x170
[ 1315.737851][   T72]      do_syscall_64+0xc6/0x1e0
[ 1315.737851][   T72] 
[ 1315.739835][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1315.739835][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1315.739835][   T72]      ipv6_find_idev+0x102/0x170
[ 1315.739835][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1315.739835][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.739835][   T72]      netlink_rcv_skb+0x130/0x360
[ 1315.739835][   T72]      netlink_unicast+0x449/0x710
[ 1315.739835][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1315.739835][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.739835][   T72]      ___sys_sendmsg+0xee/0x170
[ 1315.739835][   T72]      __sys_sendmsg+0xcd/0x170
[ 1315.739835][   T72]      do_syscall_64+0xc6/0x1e0
[ 1315.739835][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.739835][   T72] 
[ 1315.741391][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1315.741391][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1315.741391][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1315.741391][   T72]      ipv6_find_idev+0x102/0x170
[ 1315.741391][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1315.741391][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1315.741391][   T72]      netlink_rcv_skb+0x130/0x360
[ 1315.741391][   T72]      netlink_unicast+0x449/0x710
[ 1315.741391][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1315.741391][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1315.741391][   T72]      ___sys_sendmsg+0xee/0x170
[ 1315.741391][   T72]      __sys_sendmsg+0xcd/0x170
[ 1315.741391][   T72]      do_syscall_64+0xc6/0x1e0
[ 1315.741391][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1315.741391][   T72] 
[ 1325.783889][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1325.784378][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1325.784378][   T72]      netdev_get_by_index+0x5e/0x80
[ 1325.784378][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1325.784378][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1325.784378][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1325.784378][   T72]      ipv6_add_addr+0x411/0x2000
[ 1325.784378][   T72]      inet6_addr_add+0x30e/0xa40
[ 1325.784378][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1325.784378][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.784378][   T72]      netlink_rcv_skb+0x130/0x360
[ 1325.784378][   T72]      netlink_unicast+0x449/0x710
[ 1325.784378][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1325.784378][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.784378][   T72]      ___sys_sendmsg+0xee/0x170
[ 1325.784378][   T72]      __sys_sendmsg+0xcd/0x170
[ 1325.784378][   T72]      do_syscall_64+0xc6/0x1e0
[ 1325.784378][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.784378][   T72] 
[ 1325.786478][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1325.786478][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1325.786478][   T72]      ipv6_find_idev+0x102/0x170
[ 1325.786478][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1325.786478][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.786478][   T72]      netlink_rcv_skb+0x130/0x360
[ 1325.786478][   T72]      netlink_unicast+0x449/0x710
[ 1325.786478][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1325.786478][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.786478][   T72]      ___sys_sendmsg+0xee/0x170
[ 1325.786478][   T72]      __sys_sendmsg+0xcd/0x170
[ 1325.786478][   T72]      do_syscall_64+0xc6/0x1e0
[ 1325.786478][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.786478][   T72] 
[ 1325.788055][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1325.788055][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1325.788055][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1325.788055][   T72]      ipv6_find_idev+0x102/0x170
[ 1325.788055][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1325.788055][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.788055][   T72]      netlink_rcv_skb+0x130/0x360
[ 1325.788055][   T72]      netlink_unicast+0x449/0x710
[ 1325.788055][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1325.788055][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.788055][   T72]      ___sys_sendmsg+0xee/0x170
[ 1325.788055][   T72]      __sys_sendmsg+0xcd/0x170
[ 1325.788055][   T72]      do_syscall_64+0xc6/0x1e0
[ 1325.788055][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.788055][   T72] 
[ 1325.789890][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1325.790142][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1325.790142][   T72]      netdev_get_by_index+0x5e/0x80
[ 1325.790142][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1325.790142][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1325.790142][   T72]      ip6_route_add+0x1c/0x140
[ 1325.790142][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1325.790142][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1325.790142][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1325.790142][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.790142][   T72]      netlink_rcv_skb+0x130/0x360
[ 1325.790142][   T72]      netlink_unicast+0x449/0x710
[ 1325.790142][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1325.790142][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.790142][   T72]      ___sys_sendmsg+0xee/0x170
[ 1325.790142][   T72]      __sys_sendmsg+0xcd/0x170
[ 1325.790142][   T72]      do_syscall_64+0xc6/0x1e0
[ 1325.790142][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.790142][   T72] 
[ 1325.792190][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1325.792190][   T72]      netdev_get_by_index+0x5e/0x80
[ 1325.792190][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1325.792190][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1325.792190][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1325.792190][   T72]      ipv6_add_addr+0x411/0x2000
[ 1325.792190][   T72]      inet6_addr_add+0x30e/0xa40
[ 1325.792190][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1325.792190][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.792190][   T72]      netlink_rcv_skb+0x130/0x360
[ 1325.792190][   T72]      netlink_unicast+0x449/0x710
[ 1325.792190][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1325.792190][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.792190][   T72]      ___sys_sendmsg+0xee/0x170
[ 1325.792190][   T72]      __sys_sendmsg+0xcd/0x170
[ 1325.792190][   T72]      do_syscall_64+0xc6/0x1e0
[ 1325.792190][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.792190][   T72] 
[ 1325.794241][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1325.794241][   T72]      netdev_get_by_index+0x5e/0x80
[ 1325.794241][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1325.794241][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1325.794241][   T72]      ip6_route_add+0x1c/0x140
[ 1325.794241][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1325.794241][   T72]      addrconf_add_dev+0xe2/0x170
[ 1325.794241][   T72]      inet6_addr_add+0x12f/0xa40
[ 1325.794241][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1325.794241][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.794241][   T72]      netlink_rcv_skb+0x130/0x360
[ 1325.794241][   T72]      netlink_unicast+0x449/0x710
[ 1325.794241][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1325.794241][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.794241][   T72]      ___sys_sendmsg+0xee/0x170
[ 1325.794241][   T72]      __sys_sendmsg+0xcd/0x170
[ 1325.794241][   T72]      do_syscall_64+0xc6/0x1e0
[ 1325.794241][   T72] 
[ 1325.796257][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1325.796257][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1325.796257][   T72]      ipv6_find_idev+0x102/0x170
[ 1325.796257][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1325.796257][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.796257][   T72]      netlink_rcv_skb+0x130/0x360
[ 1325.796257][   T72]      netlink_unicast+0x449/0x710
[ 1325.796257][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1325.796257][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.796257][   T72]      ___sys_sendmsg+0xee/0x170
[ 1325.796257][   T72]      __sys_sendmsg+0xcd/0x170
[ 1325.796257][   T72]      do_syscall_64+0xc6/0x1e0
[ 1325.796257][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.796257][   T72] 
[ 1325.797835][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1325.797835][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1325.797835][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1325.797835][   T72]      ipv6_find_idev+0x102/0x170
[ 1325.797835][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1325.797835][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1325.797835][   T72]      netlink_rcv_skb+0x130/0x360
[ 1325.797835][   T72]      netlink_unicast+0x449/0x710
[ 1325.797835][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1325.797835][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1325.797835][   T72]      ___sys_sendmsg+0xee/0x170
[ 1325.797835][   T72]      __sys_sendmsg+0xcd/0x170
[ 1325.797835][   T72]      do_syscall_64+0xc6/0x1e0
[ 1325.797835][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1325.797835][   T72] 
[ 1336.039837][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1336.040248][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1336.040248][   T72]      netdev_get_by_index+0x5e/0x80
[ 1336.040248][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1336.040248][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1336.040248][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1336.040248][   T72]      ipv6_add_addr+0x411/0x2000
[ 1336.040248][   T72]      inet6_addr_add+0x30e/0xa40
[ 1336.040248][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1336.040248][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1336.040248][   T72]      netlink_rcv_skb+0x130/0x360
[ 1336.040248][   T72]      netlink_unicast+0x449/0x710
[ 1336.040248][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1336.040248][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1336.040248][   T72]      ___sys_sendmsg+0xee/0x170
[ 1336.040248][   T72]      __sys_sendmsg+0xcd/0x170
[ 1336.040248][   T72]      do_syscall_64+0xc6/0x1e0
[ 1336.040248][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1336.040248][   T72] 
[ 1336.042367][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1336.042367][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1336.042367][   T72]      ipv6_find_idev+0x102/0x170
[ 1336.042367][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1336.042367][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1336.042367][   T72]      netlink_rcv_skb+0x130/0x360
[ 1336.042367][   T72]      netlink_unicast+0x449/0x710
[ 1336.042367][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1336.042367][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1336.042367][   T72]      ___sys_sendmsg+0xee/0x170
[ 1336.042367][   T72]      __sys_sendmsg+0xcd/0x170
[ 1336.042367][   T72]      do_syscall_64+0xc6/0x1e0
[ 1336.042367][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1336.042367][   T72] 
[ 1336.043972][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1336.043972][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1336.043972][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1336.043972][   T72]      ipv6_find_idev+0x102/0x170
[ 1336.043972][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1336.043972][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1336.043972][   T72]      netlink_rcv_skb+0x130/0x360
[ 1336.043972][   T72]      netlink_unicast+0x449/0x710
[ 1336.043972][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1336.043972][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1336.043972][   T72]      ___sys_sendmsg+0xee/0x170
[ 1336.043972][   T72]      __sys_sendmsg+0xcd/0x170
[ 1336.043972][   T72]      do_syscall_64+0xc6/0x1e0
[ 1336.043972][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1336.043972][   T72] 
[ 1336.045792][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1336.046067][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1336.046067][   T72]      netdev_get_by_index+0x5e/0x80
[ 1336.046067][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1336.046067][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1336.046067][   T72]      ip6_route_add+0x1c/0x140
[ 1336.046067][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1336.046067][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1336.046067][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1336.046067][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1336.046067][   T72]      netlink_rcv_skb+0x130/0x360
[ 1336.046067][   T72]      netlink_unicast+0x449/0x710
[ 1336.046067][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1336.046067][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1336.046067][   T72]      ___sys_sendmsg+0xee/0x170
[ 1336.046067][   T72]      __sys_sendmsg+0xcd/0x170
[ 1336.046067][   T72]      do_syscall_64+0xc6/0x1e0
[ 1336.046067][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1336.046067][   T72] 
[ 1336.048147][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1336.048147][   T72]      netdev_get_by_index+0x5e/0x80
[ 1336.048147][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1336.048147][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1336.048147][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1336.048147][   T72]      ipv6_add_addr+0x411/0x2000
[ 1336.048147][   T72]      inet6_addr_add+0x30e/0xa40
[ 1336.048147][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1336.048147][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1336.048147][   T72]      netlink_rcv_skb+0x130/0x360
[ 1336.048147][   T72]      netlink_unicast+0x449/0x710
[ 1336.048147][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1336.048147][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1336.048147][   T72]      ___sys_sendmsg+0xee/0x170
[ 1336.048147][   T72]      __sys_sendmsg+0xcd/0x170
[ 1336.048147][   T72]      do_syscall_64+0xc6/0x1e0
[ 1336.048147][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1336.048147][   T72] 
[ 1336.050220][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1336.050220][   T72]      netdev_get_by_index+0x5e/0x80
[ 1336.050220][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1336.050220][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1336.050220][   T72]      ip6_route_add+0x1c/0x140
[ 1336.050220][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1336.050220][   T72]      addrconf_add_dev+0xe2/0x170
[ 1336.050220][   T72]      inet6_addr_add+0x12f/0xa40
[ 1336.050220][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1336.050220][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1336.050220][   T72]      netlink_rcv_skb+0x130/0x360
[ 1336.050220][   T72]      netlink_unicast+0x449/0x710
[ 1336.050220][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1336.050220][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1336.050220][   T72]      ___sys_sendmsg+0xee/0x170
[ 1336.050220][   T72]      __sys_sendmsg+0xcd/0x170
[ 1336.050220][   T72]      do_syscall_64+0xc6/0x1e0
[ 1336.050220][   T72] 
[ 1336.052243][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1336.052243][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1336.052243][   T72]      ipv6_find_idev+0x102/0x170
[ 1336.052243][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1336.052243][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1336.052243][   T72]      netlink_rcv_skb+0x130/0x360
[ 1336.052243][   T72]      netlink_unicast+0x449/0x710
[ 1336.052243][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1336.052243][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1336.052243][   T72]      ___sys_sendmsg+0xee/0x170
[ 1336.052243][   T72]      __sys_sendmsg+0xcd/0x170
[ 1336.052243][   T72]      do_syscall_64+0xc6/0x1e0
[ 1336.052243][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1336.052243][   T72] 
[ 1336.053829][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1336.053829][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1336.053829][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1336.053829][   T72]      ipv6_find_idev+0x102/0x170
[ 1336.053829][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1336.053829][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1336.053829][   T72]      netlink_rcv_skb+0x130/0x360
[ 1336.053829][   T72]      netlink_unicast+0x449/0x710
[ 1336.053829][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1336.053829][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1336.053829][   T72]      ___sys_sendmsg+0xee/0x170
[ 1336.053829][   T72]      __sys_sendmsg+0xcd/0x170
[ 1336.053829][   T72]      do_syscall_64+0xc6/0x1e0
[ 1336.053829][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1336.053829][   T72] 
[ 1346.279934][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1346.280392][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1346.280392][   T72]      netdev_get_by_index+0x5e/0x80
[ 1346.280392][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1346.280392][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1346.280392][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1346.280392][   T72]      ipv6_add_addr+0x411/0x2000
[ 1346.280392][   T72]      inet6_addr_add+0x30e/0xa40
[ 1346.280392][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1346.280392][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.280392][   T72]      netlink_rcv_skb+0x130/0x360
[ 1346.280392][   T72]      netlink_unicast+0x449/0x710
[ 1346.280392][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1346.280392][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.280392][   T72]      ___sys_sendmsg+0xee/0x170
[ 1346.280392][   T72]      __sys_sendmsg+0xcd/0x170
[ 1346.280392][   T72]      do_syscall_64+0xc6/0x1e0
[ 1346.280392][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.280392][   T72] 
[ 1346.282452][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1346.282452][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1346.282452][   T72]      ipv6_find_idev+0x102/0x170
[ 1346.282452][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1346.282452][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.282452][   T72]      netlink_rcv_skb+0x130/0x360
[ 1346.282452][   T72]      netlink_unicast+0x449/0x710
[ 1346.282452][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1346.282452][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.282452][   T72]      ___sys_sendmsg+0xee/0x170
[ 1346.282452][   T72]      __sys_sendmsg+0xcd/0x170
[ 1346.282452][   T72]      do_syscall_64+0xc6/0x1e0
[ 1346.282452][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.282452][   T72] 
[ 1346.284019][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1346.284019][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1346.284019][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1346.284019][   T72]      ipv6_find_idev+0x102/0x170
[ 1346.284019][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1346.284019][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.284019][   T72]      netlink_rcv_skb+0x130/0x360
[ 1346.284019][   T72]      netlink_unicast+0x449/0x710
[ 1346.284019][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1346.284019][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.284019][   T72]      ___sys_sendmsg+0xee/0x170
[ 1346.284019][   T72]      __sys_sendmsg+0xcd/0x170
[ 1346.284019][   T72]      do_syscall_64+0xc6/0x1e0
[ 1346.284019][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.284019][   T72] 
[ 1346.285777][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1346.286029][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1346.286029][   T72]      netdev_get_by_index+0x5e/0x80
[ 1346.286029][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1346.286029][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1346.286029][   T72]      ip6_route_add+0x1c/0x140
[ 1346.286029][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1346.286029][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1346.286029][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1346.286029][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.286029][   T72]      netlink_rcv_skb+0x130/0x360
[ 1346.286029][   T72]      netlink_unicast+0x449/0x710
[ 1346.286029][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1346.286029][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.286029][   T72]      ___sys_sendmsg+0xee/0x170
[ 1346.286029][   T72]      __sys_sendmsg+0xcd/0x170
[ 1346.286029][   T72]      do_syscall_64+0xc6/0x1e0
[ 1346.286029][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.286029][   T72] 
[ 1346.288068][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1346.288068][   T72]      netdev_get_by_index+0x5e/0x80
[ 1346.288068][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1346.288068][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1346.288068][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1346.288068][   T72]      ipv6_add_addr+0x411/0x2000
[ 1346.288068][   T72]      inet6_addr_add+0x30e/0xa40
[ 1346.288068][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1346.288068][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.288068][   T72]      netlink_rcv_skb+0x130/0x360
[ 1346.288068][   T72]      netlink_unicast+0x449/0x710
[ 1346.288068][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1346.288068][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.288068][   T72]      ___sys_sendmsg+0xee/0x170
[ 1346.288068][   T72]      __sys_sendmsg+0xcd/0x170
[ 1346.288068][   T72]      do_syscall_64+0xc6/0x1e0
[ 1346.288068][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.288068][   T72] 
[ 1346.290149][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1346.290149][   T72]      netdev_get_by_index+0x5e/0x80
[ 1346.290149][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1346.290149][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1346.290149][   T72]      ip6_route_add+0x1c/0x140
[ 1346.290149][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1346.290149][   T72]      addrconf_add_dev+0xe2/0x170
[ 1346.290149][   T72]      inet6_addr_add+0x12f/0xa40
[ 1346.290149][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1346.290149][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.290149][   T72]      netlink_rcv_skb+0x130/0x360
[ 1346.290149][   T72]      netlink_unicast+0x449/0x710
[ 1346.290149][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1346.290149][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.290149][   T72]      ___sys_sendmsg+0xee/0x170
[ 1346.290149][   T72]      __sys_sendmsg+0xcd/0x170
[ 1346.290149][   T72]      do_syscall_64+0xc6/0x1e0
[ 1346.290149][   T72] 
[ 1346.292169][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1346.292169][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1346.292169][   T72]      ipv6_find_idev+0x102/0x170
[ 1346.292169][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1346.292169][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.292169][   T72]      netlink_rcv_skb+0x130/0x360
[ 1346.292169][   T72]      netlink_unicast+0x449/0x710
[ 1346.292169][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1346.292169][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.292169][   T72]      ___sys_sendmsg+0xee/0x170
[ 1346.292169][   T72]      __sys_sendmsg+0xcd/0x170
[ 1346.292169][   T72]      do_syscall_64+0xc6/0x1e0
[ 1346.292169][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.292169][   T72] 
[ 1346.293747][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1346.293747][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1346.293747][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1346.293747][   T72]      ipv6_find_idev+0x102/0x170
[ 1346.293747][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1346.293747][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1346.293747][   T72]      netlink_rcv_skb+0x130/0x360
[ 1346.293747][   T72]      netlink_unicast+0x449/0x710
[ 1346.293747][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1346.293747][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1346.293747][   T72]      ___sys_sendmsg+0xee/0x170
[ 1346.293747][   T72]      __sys_sendmsg+0xcd/0x170
[ 1346.293747][   T72]      do_syscall_64+0xc6/0x1e0
[ 1346.293747][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1346.293747][   T72] 
[ 1352.999875][   T42] INFO: task modprobe:456 blocked for more than 1228 seconds.
[ 1353.000271][   T42]       Not tainted 6.8.0-virtme #1
[ 1353.000395][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1353.000603][   T42] task:modprobe        state:D stack:25648 pid:456   tgid:456   ppid:39     flags:0x00004002
[ 1353.000893][   T42] Call Trace:
[ 1353.001003][   T42]  <TASK>
[ 1353.001078][   T42]  __schedule+0x705/0x1ac0
[ 1353.001223][   T42]  ? __pfx___schedule+0x10/0x10
[ 1353.001352][   T42]  ? schedule+0x1a5/0x210
[ 1353.001453][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1353.001589][   T42]  ? mark_lock+0x38/0x3e0
[ 1353.001687][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1353.001838][   T42]  ? schedule+0x1a5/0x210
[ 1353.001945][   T42]  schedule+0xdf/0x210
[ 1353.002043][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1353.002172][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1353.002307][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1353.002464][   T42]  ? kasan_save_stack+0x34/0x50
[ 1353.002596][   T42]  ? kasan_save_stack+0x24/0x50
[ 1353.002727][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1353.002874][   T42]  ? lock_acquire+0x1c1/0x220
[ 1353.003001][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1353.003141][   T42]  down_write+0x1c9/0x200
[ 1353.003240][   T42]  ? __pfx_down_write+0x10/0x10
[ 1353.003366][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1353.003502][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 1353.003706][   T42]  register_pernet_subsys+0x1a/0x50
[ 1353.003840][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 1353.004032][   T42]  do_one_initcall+0xc8/0x3f0
[ 1353.004163][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1353.004297][   T42]  ? __create_object+0x5e/0xb0
[ 1353.004433][   T42]  ? kasan_unpoison+0x27/0x60
[ 1353.004567][   T42]  do_init_module+0x233/0x740
[ 1353.004706][   T42]  load_module+0x16b5/0x2350
[ 1353.004879][   T42]  ? __pfx_load_module+0x10/0x10
[ 1353.005014][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1353.005147][   T42]  ? kernel_read_file+0x300/0x520
[ 1353.005291][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1353.005427][   T42]  ? init_module_from_file+0xd2/0x130
[ 1353.005556][   T42]  init_module_from_file+0xd2/0x130
[ 1353.005686][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1353.005858][   T42]  ? __lock_release+0x103/0x460
[ 1353.005984][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1353.006138][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1353.006268][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1353.006403][   T42]  idempotent_init_module+0x342/0x620
[ 1353.006533][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1353.006717][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1353.006856][   T42]  do_syscall_64+0xc6/0x1e0
[ 1353.007001][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1353.007163][   T42] RIP: 0033:0x7f93cc153e5d
[ 1353.007324][   T42] RSP: 002b:00007fff97ff1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1353.007516][   T42] RAX: ffffffffffffffda RBX: 0000557c14f43e90 RCX: 00007f93cc153e5d
[ 1353.007739][   T42] RDX: 0000000000000000 RSI: 0000557bf5357a2a RDI: 0000000000000001
[ 1353.007961][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557c14f444f0
[ 1353.008149][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bf5357a2a
[ 1353.008342][   T42] R13: 0000557c14f43e40 R14: 0000557c14f44570 R15: 0000000000000000
[ 1353.008544][   T42]  </TASK>
[ 1353.008646][   T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[ 1353.008877][   T42] 
[ 1353.008877][   T42] Showing all locks held in the system:
[ 1353.009067][   T42] 2 locks held by kworker/u20:0/39:
[ 1353.009193][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1353.009450][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1353.009738][   T42] 1 lock held by khungtaskd/42:
[ 1353.009874][   T42]  #0: ffffffffa85591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1353.010104][   T42] 3 locks held by kworker/u16:1/72:
[ 1353.010224][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1353.010484][   T42]  #1: ffffc900004dfda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1353.010705][   T42]  #2: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1353.010941][   T42] 1 lock held by modprobe/456:
[ 1353.011060][   T42]  #0: ffffffffa8d6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1353.011316][   T42] 
[ 1353.011381][   T42] =============================================
[ 1353.011381][   T42] 
[ 1356.335905][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1356.336308][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1356.336308][   T72]      netdev_get_by_index+0x5e/0x80
[ 1356.336308][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1356.336308][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1356.336308][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1356.336308][   T72]      ipv6_add_addr+0x411/0x2000
[ 1356.336308][   T72]      inet6_addr_add+0x30e/0xa40
[ 1356.336308][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1356.336308][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.336308][   T72]      netlink_rcv_skb+0x130/0x360
[ 1356.336308][   T72]      netlink_unicast+0x449/0x710
[ 1356.336308][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1356.336308][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.336308][   T72]      ___sys_sendmsg+0xee/0x170
[ 1356.336308][   T72]      __sys_sendmsg+0xcd/0x170
[ 1356.336308][   T72]      do_syscall_64+0xc6/0x1e0
[ 1356.336308][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.336308][   T72] 
[ 1356.338353][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1356.338353][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1356.338353][   T72]      ipv6_find_idev+0x102/0x170
[ 1356.338353][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1356.338353][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.338353][   T72]      netlink_rcv_skb+0x130/0x360
[ 1356.338353][   T72]      netlink_unicast+0x449/0x710
[ 1356.338353][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1356.338353][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.338353][   T72]      ___sys_sendmsg+0xee/0x170
[ 1356.338353][   T72]      __sys_sendmsg+0xcd/0x170
[ 1356.338353][   T72]      do_syscall_64+0xc6/0x1e0
[ 1356.338353][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.338353][   T72] 
[ 1356.339913][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1356.339913][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1356.339913][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1356.339913][   T72]      ipv6_find_idev+0x102/0x170
[ 1356.339913][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1356.339913][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.339913][   T72]      netlink_rcv_skb+0x130/0x360
[ 1356.339913][   T72]      netlink_unicast+0x449/0x710
[ 1356.339913][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1356.339913][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.339913][   T72]      ___sys_sendmsg+0xee/0x170
[ 1356.339913][   T72]      __sys_sendmsg+0xcd/0x170
[ 1356.339913][   T72]      do_syscall_64+0xc6/0x1e0
[ 1356.339913][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.339913][   T72] 
[ 1356.341652][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1356.341913][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1356.341913][   T72]      netdev_get_by_index+0x5e/0x80
[ 1356.341913][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1356.341913][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1356.341913][   T72]      ip6_route_add+0x1c/0x140
[ 1356.341913][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1356.341913][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1356.341913][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1356.341913][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.341913][   T72]      netlink_rcv_skb+0x130/0x360
[ 1356.341913][   T72]      netlink_unicast+0x449/0x710
[ 1356.341913][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1356.341913][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.341913][   T72]      ___sys_sendmsg+0xee/0x170
[ 1356.341913][   T72]      __sys_sendmsg+0xcd/0x170
[ 1356.341913][   T72]      do_syscall_64+0xc6/0x1e0
[ 1356.341913][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.341913][   T72] 
[ 1356.343979][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1356.343979][   T72]      netdev_get_by_index+0x5e/0x80
[ 1356.343979][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1356.343979][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1356.343979][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1356.343979][   T72]      ipv6_add_addr+0x411/0x2000
[ 1356.343979][   T72]      inet6_addr_add+0x30e/0xa40
[ 1356.343979][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1356.343979][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.343979][   T72]      netlink_rcv_skb+0x130/0x360
[ 1356.343979][   T72]      netlink_unicast+0x449/0x710
[ 1356.343979][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1356.343979][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.343979][   T72]      ___sys_sendmsg+0xee/0x170
[ 1356.343979][   T72]      __sys_sendmsg+0xcd/0x170
[ 1356.343979][   T72]      do_syscall_64+0xc6/0x1e0
[ 1356.343979][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.343979][   T72] 
[ 1356.346066][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1356.346066][   T72]      netdev_get_by_index+0x5e/0x80
[ 1356.346066][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1356.346066][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1356.346066][   T72]      ip6_route_add+0x1c/0x140
[ 1356.346066][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1356.346066][   T72]      addrconf_add_dev+0xe2/0x170
[ 1356.346066][   T72]      inet6_addr_add+0x12f/0xa40
[ 1356.346066][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1356.346066][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.346066][   T72]      netlink_rcv_skb+0x130/0x360
[ 1356.346066][   T72]      netlink_unicast+0x449/0x710
[ 1356.346066][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1356.346066][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.346066][   T72]      ___sys_sendmsg+0xee/0x170
[ 1356.346066][   T72]      __sys_sendmsg+0xcd/0x170
[ 1356.346066][   T72]      do_syscall_64+0xc6/0x1e0
[ 1356.346066][   T72] 
[ 1356.348087][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1356.348087][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1356.348087][   T72]      ipv6_find_idev+0x102/0x170
[ 1356.348087][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1356.348087][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.348087][   T72]      netlink_rcv_skb+0x130/0x360
[ 1356.348087][   T72]      netlink_unicast+0x449/0x710
[ 1356.348087][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1356.348087][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.348087][   T72]      ___sys_sendmsg+0xee/0x170
[ 1356.348087][   T72]      __sys_sendmsg+0xcd/0x170
[ 1356.348087][   T72]      do_syscall_64+0xc6/0x1e0
[ 1356.348087][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.348087][   T72] 
[ 1356.349669][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1356.349669][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1356.349669][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1356.349669][   T72]      ipv6_find_idev+0x102/0x170
[ 1356.349669][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1356.349669][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1356.349669][   T72]      netlink_rcv_skb+0x130/0x360
[ 1356.349669][   T72]      netlink_unicast+0x449/0x710
[ 1356.349669][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1356.349669][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1356.349669][   T72]      ___sys_sendmsg+0xee/0x170
[ 1356.349669][   T72]      __sys_sendmsg+0xcd/0x170
[ 1356.349669][   T72]      do_syscall_64+0xc6/0x1e0
[ 1356.349669][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1356.349669][   T72] 
[ 1366.479904][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1366.480335][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1366.480335][   T72]      netdev_get_by_index+0x5e/0x80
[ 1366.480335][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1366.480335][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1366.480335][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1366.480335][   T72]      ipv6_add_addr+0x411/0x2000
[ 1366.480335][   T72]      inet6_addr_add+0x30e/0xa40
[ 1366.480335][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1366.480335][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.480335][   T72]      netlink_rcv_skb+0x130/0x360
[ 1366.480335][   T72]      netlink_unicast+0x449/0x710
[ 1366.480335][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1366.480335][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.480335][   T72]      ___sys_sendmsg+0xee/0x170
[ 1366.480335][   T72]      __sys_sendmsg+0xcd/0x170
[ 1366.480335][   T72]      do_syscall_64+0xc6/0x1e0
[ 1366.480335][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.480335][   T72] 
[ 1366.482710][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1366.482710][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1366.482710][   T72]      ipv6_find_idev+0x102/0x170
[ 1366.482710][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1366.482710][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.482710][   T72]      netlink_rcv_skb+0x130/0x360
[ 1366.482710][   T72]      netlink_unicast+0x449/0x710
[ 1366.482710][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1366.482710][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.482710][   T72]      ___sys_sendmsg+0xee/0x170
[ 1366.482710][   T72]      __sys_sendmsg+0xcd/0x170
[ 1366.482710][   T72]      do_syscall_64+0xc6/0x1e0
[ 1366.482710][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.482710][   T72] 
[ 1366.485118][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1366.485118][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1366.485118][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1366.485118][   T72]      ipv6_find_idev+0x102/0x170
[ 1366.485118][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1366.485118][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.485118][   T72]      netlink_rcv_skb+0x130/0x360
[ 1366.485118][   T72]      netlink_unicast+0x449/0x710
[ 1366.485118][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1366.485118][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.485118][   T72]      ___sys_sendmsg+0xee/0x170
[ 1366.485118][   T72]      __sys_sendmsg+0xcd/0x170
[ 1366.485118][   T72]      do_syscall_64+0xc6/0x1e0
[ 1366.485118][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.485118][   T72] 
[ 1366.487136][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1366.487420][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1366.487420][   T72]      netdev_get_by_index+0x5e/0x80
[ 1366.487420][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1366.487420][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1366.487420][   T72]      ip6_route_add+0x1c/0x140
[ 1366.487420][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1366.487420][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1366.487420][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1366.487420][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.487420][   T72]      netlink_rcv_skb+0x130/0x360
[ 1366.487420][   T72]      netlink_unicast+0x449/0x710
[ 1366.487420][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1366.487420][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.487420][   T72]      ___sys_sendmsg+0xee/0x170
[ 1366.487420][   T72]      __sys_sendmsg+0xcd/0x170
[ 1366.487420][   T72]      do_syscall_64+0xc6/0x1e0
[ 1366.487420][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.487420][   T72] 
[ 1366.489772][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1366.489772][   T72]      netdev_get_by_index+0x5e/0x80
[ 1366.489772][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1366.489772][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1366.489772][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1366.489772][   T72]      ipv6_add_addr+0x411/0x2000
[ 1366.489772][   T72]      inet6_addr_add+0x30e/0xa40
[ 1366.489772][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1366.489772][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.489772][   T72]      netlink_rcv_skb+0x130/0x360
[ 1366.489772][   T72]      netlink_unicast+0x449/0x710
[ 1366.489772][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1366.489772][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.489772][   T72]      ___sys_sendmsg+0xee/0x170
[ 1366.489772][   T72]      __sys_sendmsg+0xcd/0x170
[ 1366.489772][   T72]      do_syscall_64+0xc6/0x1e0
[ 1366.489772][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.489772][   T72] 
[ 1366.492135][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1366.492135][   T72]      netdev_get_by_index+0x5e/0x80
[ 1366.492135][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1366.492135][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1366.492135][   T72]      ip6_route_add+0x1c/0x140
[ 1366.492135][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1366.492135][   T72]      addrconf_add_dev+0xe2/0x170
[ 1366.492135][   T72]      inet6_addr_add+0x12f/0xa40
[ 1366.492135][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1366.492135][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.492135][   T72]      netlink_rcv_skb+0x130/0x360
[ 1366.492135][   T72]      netlink_unicast+0x449/0x710
[ 1366.492135][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1366.492135][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.492135][   T72]      ___sys_sendmsg+0xee/0x170
[ 1366.492135][   T72]      __sys_sendmsg+0xcd/0x170
[ 1366.492135][   T72]      do_syscall_64+0xc6/0x1e0
[ 1366.492135][   T72] 
[ 1366.494443][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1366.494443][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1366.494443][   T72]      ipv6_find_idev+0x102/0x170
[ 1366.494443][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1366.494443][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.494443][   T72]      netlink_rcv_skb+0x130/0x360
[ 1366.494443][   T72]      netlink_unicast+0x449/0x710
[ 1366.494443][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1366.494443][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.494443][   T72]      ___sys_sendmsg+0xee/0x170
[ 1366.494443][   T72]      __sys_sendmsg+0xcd/0x170
[ 1366.494443][   T72]      do_syscall_64+0xc6/0x1e0
[ 1366.494443][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.494443][   T72] 
[ 1366.496266][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1366.496266][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1366.496266][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1366.496266][   T72]      ipv6_find_idev+0x102/0x170
[ 1366.496266][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1366.496266][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1366.496266][   T72]      netlink_rcv_skb+0x130/0x360
[ 1366.496266][   T72]      netlink_unicast+0x449/0x710
[ 1366.496266][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1366.496266][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1366.496266][   T72]      ___sys_sendmsg+0xee/0x170
[ 1366.496266][   T72]      __sys_sendmsg+0xcd/0x170
[ 1366.496266][   T72]      do_syscall_64+0xc6/0x1e0
[ 1366.496266][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1366.496266][   T72] 
[ 1376.751839][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1376.752301][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1376.752301][   T72]      netdev_get_by_index+0x5e/0x80
[ 1376.752301][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1376.752301][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1376.752301][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1376.752301][   T72]      ipv6_add_addr+0x411/0x2000
[ 1376.752301][   T72]      inet6_addr_add+0x30e/0xa40
[ 1376.752301][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1376.752301][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.752301][   T72]      netlink_rcv_skb+0x130/0x360
[ 1376.752301][   T72]      netlink_unicast+0x449/0x710
[ 1376.752301][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1376.752301][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.752301][   T72]      ___sys_sendmsg+0xee/0x170
[ 1376.752301][   T72]      __sys_sendmsg+0xcd/0x170
[ 1376.752301][   T72]      do_syscall_64+0xc6/0x1e0
[ 1376.752301][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.752301][   T72] 
[ 1376.754368][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1376.754368][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1376.754368][   T72]      ipv6_find_idev+0x102/0x170
[ 1376.754368][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1376.754368][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.754368][   T72]      netlink_rcv_skb+0x130/0x360
[ 1376.754368][   T72]      netlink_unicast+0x449/0x710
[ 1376.754368][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1376.754368][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.754368][   T72]      ___sys_sendmsg+0xee/0x170
[ 1376.754368][   T72]      __sys_sendmsg+0xcd/0x170
[ 1376.754368][   T72]      do_syscall_64+0xc6/0x1e0
[ 1376.754368][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.754368][   T72] 
[ 1376.755946][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1376.755946][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1376.755946][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1376.755946][   T72]      ipv6_find_idev+0x102/0x170
[ 1376.755946][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1376.755946][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.755946][   T72]      netlink_rcv_skb+0x130/0x360
[ 1376.755946][   T72]      netlink_unicast+0x449/0x710
[ 1376.755946][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1376.755946][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.755946][   T72]      ___sys_sendmsg+0xee/0x170
[ 1376.755946][   T72]      __sys_sendmsg+0xcd/0x170
[ 1376.755946][   T72]      do_syscall_64+0xc6/0x1e0
[ 1376.755946][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.755946][   T72] 
[ 1376.757658][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1376.757920][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1376.757920][   T72]      netdev_get_by_index+0x5e/0x80
[ 1376.757920][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1376.757920][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1376.757920][   T72]      ip6_route_add+0x1c/0x140
[ 1376.757920][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1376.757920][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1376.757920][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1376.757920][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.757920][   T72]      netlink_rcv_skb+0x130/0x360
[ 1376.757920][   T72]      netlink_unicast+0x449/0x710
[ 1376.757920][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1376.757920][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.757920][   T72]      ___sys_sendmsg+0xee/0x170
[ 1376.757920][   T72]      __sys_sendmsg+0xcd/0x170
[ 1376.757920][   T72]      do_syscall_64+0xc6/0x1e0
[ 1376.757920][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.757920][   T72] 
[ 1376.759951][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1376.759951][   T72]      netdev_get_by_index+0x5e/0x80
[ 1376.759951][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1376.759951][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1376.759951][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1376.759951][   T72]      ipv6_add_addr+0x411/0x2000
[ 1376.759951][   T72]      inet6_addr_add+0x30e/0xa40
[ 1376.759951][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1376.759951][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.759951][   T72]      netlink_rcv_skb+0x130/0x360
[ 1376.759951][   T72]      netlink_unicast+0x449/0x710
[ 1376.759951][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1376.759951][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.759951][   T72]      ___sys_sendmsg+0xee/0x170
[ 1376.759951][   T72]      __sys_sendmsg+0xcd/0x170
[ 1376.759951][   T72]      do_syscall_64+0xc6/0x1e0
[ 1376.759951][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.759951][   T72] 
[ 1376.761975][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1376.761975][   T72]      netdev_get_by_index+0x5e/0x80
[ 1376.761975][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1376.761975][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1376.761975][   T72]      ip6_route_add+0x1c/0x140
[ 1376.761975][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1376.761975][   T72]      addrconf_add_dev+0xe2/0x170
[ 1376.761975][   T72]      inet6_addr_add+0x12f/0xa40
[ 1376.761975][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1376.761975][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.761975][   T72]      netlink_rcv_skb+0x130/0x360
[ 1376.761975][   T72]      netlink_unicast+0x449/0x710
[ 1376.761975][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1376.761975][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.761975][   T72]      ___sys_sendmsg+0xee/0x170
[ 1376.761975][   T72]      __sys_sendmsg+0xcd/0x170
[ 1376.761975][   T72]      do_syscall_64+0xc6/0x1e0
[ 1376.761975][   T72] 
[ 1376.763959][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1376.763959][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1376.763959][   T72]      ipv6_find_idev+0x102/0x170
[ 1376.763959][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1376.763959][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.763959][   T72]      netlink_rcv_skb+0x130/0x360
[ 1376.763959][   T72]      netlink_unicast+0x449/0x710
[ 1376.763959][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1376.763959][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.763959][   T72]      ___sys_sendmsg+0xee/0x170
[ 1376.763959][   T72]      __sys_sendmsg+0xcd/0x170
[ 1376.763959][   T72]      do_syscall_64+0xc6/0x1e0
[ 1376.763959][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.763959][   T72] 
[ 1376.765527][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1376.765527][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1376.765527][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1376.765527][   T72]      ipv6_find_idev+0x102/0x170
[ 1376.765527][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1376.765527][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1376.765527][   T72]      netlink_rcv_skb+0x130/0x360
[ 1376.765527][   T72]      netlink_unicast+0x449/0x710
[ 1376.765527][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1376.765527][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1376.765527][   T72]      ___sys_sendmsg+0xee/0x170
[ 1376.765527][   T72]      __sys_sendmsg+0xcd/0x170
[ 1376.765527][   T72]      do_syscall_64+0xc6/0x1e0
[ 1376.765527][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1376.765527][   T72] 
[ 1386.847827][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1386.848287][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1386.848287][   T72]      netdev_get_by_index+0x5e/0x80
[ 1386.848287][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1386.848287][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1386.848287][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1386.848287][   T72]      ipv6_add_addr+0x411/0x2000
[ 1386.848287][   T72]      inet6_addr_add+0x30e/0xa40
[ 1386.848287][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1386.848287][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1386.848287][   T72]      netlink_rcv_skb+0x130/0x360
[ 1386.848287][   T72]      netlink_unicast+0x449/0x710
[ 1386.848287][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1386.848287][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1386.848287][   T72]      ___sys_sendmsg+0xee/0x170
[ 1386.848287][   T72]      __sys_sendmsg+0xcd/0x170
[ 1386.848287][   T72]      do_syscall_64+0xc6/0x1e0
[ 1386.848287][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1386.848287][   T72] 
[ 1386.850351][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1386.850351][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1386.850351][   T72]      ipv6_find_idev+0x102/0x170
[ 1386.850351][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1386.850351][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1386.850351][   T72]      netlink_rcv_skb+0x130/0x360
[ 1386.850351][   T72]      netlink_unicast+0x449/0x710
[ 1386.850351][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1386.850351][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1386.850351][   T72]      ___sys_sendmsg+0xee/0x170
[ 1386.850351][   T72]      __sys_sendmsg+0xcd/0x170
[ 1386.850351][   T72]      do_syscall_64+0xc6/0x1e0
[ 1386.850351][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1386.850351][   T72] 
[ 1386.851911][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1386.851911][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1386.851911][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1386.851911][   T72]      ipv6_find_idev+0x102/0x170
[ 1386.851911][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1386.851911][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1386.851911][   T72]      netlink_rcv_skb+0x130/0x360
[ 1386.851911][   T72]      netlink_unicast+0x449/0x710
[ 1386.851911][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1386.851911][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1386.851911][   T72]      ___sys_sendmsg+0xee/0x170
[ 1386.851911][   T72]      __sys_sendmsg+0xcd/0x170
[ 1386.851911][   T72]      do_syscall_64+0xc6/0x1e0
[ 1386.851911][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1386.851911][   T72] 
[ 1386.853722][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1386.853991][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1386.853991][   T72]      netdev_get_by_index+0x5e/0x80
[ 1386.853991][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1386.853991][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1386.853991][   T72]      ip6_route_add+0x1c/0x140
[ 1386.853991][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1386.853991][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1386.853991][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1386.853991][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1386.853991][   T72]      netlink_rcv_skb+0x130/0x360
[ 1386.853991][   T72]      netlink_unicast+0x449/0x710
[ 1386.853991][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1386.853991][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1386.853991][   T72]      ___sys_sendmsg+0xee/0x170
[ 1386.853991][   T72]      __sys_sendmsg+0xcd/0x170
[ 1386.853991][   T72]      do_syscall_64+0xc6/0x1e0
[ 1386.853991][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1386.853991][   T72] 
[ 1386.856048][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1386.856048][   T72]      netdev_get_by_index+0x5e/0x80
[ 1386.856048][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1386.856048][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1386.856048][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1386.856048][   T72]      ipv6_add_addr+0x411/0x2000
[ 1386.856048][   T72]      inet6_addr_add+0x30e/0xa40
[ 1386.856048][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1386.856048][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1386.856048][   T72]      netlink_rcv_skb+0x130/0x360
[ 1386.856048][   T72]      netlink_unicast+0x449/0x710
[ 1386.856048][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1386.856048][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1386.856048][   T72]      ___sys_sendmsg+0xee/0x170
[ 1386.856048][   T72]      __sys_sendmsg+0xcd/0x170
[ 1386.856048][   T72]      do_syscall_64+0xc6/0x1e0
[ 1386.856048][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1386.856048][   T72] 
[ 1386.858075][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1386.858075][   T72]      netdev_get_by_index+0x5e/0x80
[ 1386.858075][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1386.858075][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1386.858075][   T72]      ip6_route_add+0x1c/0x140
[ 1386.858075][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1386.858075][   T72]      addrconf_add_dev+0xe2/0x170
[ 1386.858075][   T72]      inet6_addr_add+0x12f/0xa40
[ 1386.858075][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1386.858075][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1386.858075][   T72]      netlink_rcv_skb+0x130/0x360
[ 1386.858075][   T72]      netlink_unicast+0x449/0x710
[ 1386.858075][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1386.858075][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1386.858075][   T72]      ___sys_sendmsg+0xee/0x170
[ 1386.858075][   T72]      __sys_sendmsg+0xcd/0x170
[ 1386.858075][   T72]      do_syscall_64+0xc6/0x1e0
[ 1386.858075][   T72] 
[ 1386.860062][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1386.860062][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1386.860062][   T72]      ipv6_find_idev+0x102/0x170
[ 1386.860062][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1386.860062][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1386.860062][   T72]      netlink_rcv_skb+0x130/0x360
[ 1386.860062][   T72]      netlink_unicast+0x449/0x710
[ 1386.860062][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1386.860062][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1386.860062][   T72]      ___sys_sendmsg+0xee/0x170
[ 1386.860062][   T72]      __sys_sendmsg+0xcd/0x170
[ 1386.860062][   T72]      do_syscall_64+0xc6/0x1e0
[ 1386.860062][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1386.860062][   T72] 
[ 1386.861617][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1386.861617][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1386.861617][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1386.861617][   T72]      ipv6_find_idev+0x102/0x170
[ 1386.861617][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1386.861617][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1386.861617][   T72]      netlink_rcv_skb+0x130/0x360
[ 1386.861617][   T72]      netlink_unicast+0x449/0x710
[ 1386.861617][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1386.861617][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1386.861617][   T72]      ___sys_sendmsg+0xee/0x170
[ 1386.861617][   T72]      __sys_sendmsg+0xcd/0x170
[ 1386.861617][   T72]      do_syscall_64+0xc6/0x1e0
[ 1386.861617][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1386.861617][   T72] 
[ 1396.887908][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1396.888377][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1396.888377][   T72]      netdev_get_by_index+0x5e/0x80
[ 1396.888377][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1396.888377][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1396.888377][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1396.888377][   T72]      ipv6_add_addr+0x411/0x2000
[ 1396.888377][   T72]      inet6_addr_add+0x30e/0xa40
[ 1396.888377][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1396.888377][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1396.888377][   T72]      netlink_rcv_skb+0x130/0x360
[ 1396.888377][   T72]      netlink_unicast+0x449/0x710
[ 1396.888377][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1396.888377][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1396.888377][   T72]      ___sys_sendmsg+0xee/0x170
[ 1396.888377][   T72]      __sys_sendmsg+0xcd/0x170
[ 1396.888377][   T72]      do_syscall_64+0xc6/0x1e0
[ 1396.888377][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1396.888377][   T72] 
[ 1396.890543][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1396.890543][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1396.890543][   T72]      ipv6_find_idev+0x102/0x170
[ 1396.890543][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1396.890543][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1396.890543][   T72]      netlink_rcv_skb+0x130/0x360
[ 1396.890543][   T72]      netlink_unicast+0x449/0x710
[ 1396.890543][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1396.890543][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1396.890543][   T72]      ___sys_sendmsg+0xee/0x170
[ 1396.890543][   T72]      __sys_sendmsg+0xcd/0x170
[ 1396.890543][   T72]      do_syscall_64+0xc6/0x1e0
[ 1396.890543][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1396.890543][   T72] 
[ 1396.892126][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1396.892126][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1396.892126][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1396.892126][   T72]      ipv6_find_idev+0x102/0x170
[ 1396.892126][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1396.892126][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1396.892126][   T72]      netlink_rcv_skb+0x130/0x360
[ 1396.892126][   T72]      netlink_unicast+0x449/0x710
[ 1396.892126][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1396.892126][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1396.892126][   T72]      ___sys_sendmsg+0xee/0x170
[ 1396.892126][   T72]      __sys_sendmsg+0xcd/0x170
[ 1396.892126][   T72]      do_syscall_64+0xc6/0x1e0
[ 1396.892126][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1396.892126][   T72] 
[ 1396.893837][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1396.894093][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1396.894093][   T72]      netdev_get_by_index+0x5e/0x80
[ 1396.894093][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1396.894093][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1396.894093][   T72]      ip6_route_add+0x1c/0x140
[ 1396.894093][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1396.894093][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1396.894093][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1396.894093][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1396.894093][   T72]      netlink_rcv_skb+0x130/0x360
[ 1396.894093][   T72]      netlink_unicast+0x449/0x710
[ 1396.894093][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1396.894093][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1396.894093][   T72]      ___sys_sendmsg+0xee/0x170
[ 1396.894093][   T72]      __sys_sendmsg+0xcd/0x170
[ 1396.894093][   T72]      do_syscall_64+0xc6/0x1e0
[ 1396.894093][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1396.894093][   T72] 
[ 1396.896137][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1396.896137][   T72]      netdev_get_by_index+0x5e/0x80
[ 1396.896137][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1396.896137][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1396.896137][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1396.896137][   T72]      ipv6_add_addr+0x411/0x2000
[ 1396.896137][   T72]      inet6_addr_add+0x30e/0xa40
[ 1396.896137][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1396.896137][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1396.896137][   T72]      netlink_rcv_skb+0x130/0x360
[ 1396.896137][   T72]      netlink_unicast+0x449/0x710
[ 1396.896137][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1396.896137][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1396.896137][   T72]      ___sys_sendmsg+0xee/0x170
[ 1396.896137][   T72]      __sys_sendmsg+0xcd/0x170
[ 1396.896137][   T72]      do_syscall_64+0xc6/0x1e0
[ 1396.896137][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1396.896137][   T72] 
[ 1396.898162][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1396.898162][   T72]      netdev_get_by_index+0x5e/0x80
[ 1396.898162][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1396.898162][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1396.898162][   T72]      ip6_route_add+0x1c/0x140
[ 1396.898162][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1396.898162][   T72]      addrconf_add_dev+0xe2/0x170
[ 1396.898162][   T72]      inet6_addr_add+0x12f/0xa40
[ 1396.898162][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1396.898162][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1396.898162][   T72]      netlink_rcv_skb+0x130/0x360
[ 1396.898162][   T72]      netlink_unicast+0x449/0x710
[ 1396.898162][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1396.898162][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1396.898162][   T72]      ___sys_sendmsg+0xee/0x170
[ 1396.898162][   T72]      __sys_sendmsg+0xcd/0x170
[ 1396.898162][   T72]      do_syscall_64+0xc6/0x1e0
[ 1396.898162][   T72] 
[ 1396.900142][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1396.900142][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1396.900142][   T72]      ipv6_find_idev+0x102/0x170
[ 1396.900142][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1396.900142][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1396.900142][   T72]      netlink_rcv_skb+0x130/0x360
[ 1396.900142][   T72]      netlink_unicast+0x449/0x710
[ 1396.900142][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1396.900142][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1396.900142][   T72]      ___sys_sendmsg+0xee/0x170
[ 1396.900142][   T72]      __sys_sendmsg+0xcd/0x170
[ 1396.900142][   T72]      do_syscall_64+0xc6/0x1e0
[ 1396.900142][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1396.900142][   T72] 
[ 1396.901695][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1396.901695][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1396.901695][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1396.901695][   T72]      ipv6_find_idev+0x102/0x170
[ 1396.901695][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1396.901695][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1396.901695][   T72]      netlink_rcv_skb+0x130/0x360
[ 1396.901695][   T72]      netlink_unicast+0x449/0x710
[ 1396.901695][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1396.901695][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1396.901695][   T72]      ___sys_sendmsg+0xee/0x170
[ 1396.901695][   T72]      __sys_sendmsg+0xcd/0x170
[ 1396.901695][   T72]      do_syscall_64+0xc6/0x1e0
[ 1396.901695][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1396.901695][   T72] 
[ 1407.127914][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1407.128321][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1407.128321][   T72]      netdev_get_by_index+0x5e/0x80
[ 1407.128321][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1407.128321][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1407.128321][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1407.128321][   T72]      ipv6_add_addr+0x411/0x2000
[ 1407.128321][   T72]      inet6_addr_add+0x30e/0xa40
[ 1407.128321][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1407.128321][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.128321][   T72]      netlink_rcv_skb+0x130/0x360
[ 1407.128321][   T72]      netlink_unicast+0x449/0x710
[ 1407.128321][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1407.128321][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.128321][   T72]      ___sys_sendmsg+0xee/0x170
[ 1407.128321][   T72]      __sys_sendmsg+0xcd/0x170
[ 1407.128321][   T72]      do_syscall_64+0xc6/0x1e0
[ 1407.128321][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.128321][   T72] 
[ 1407.130370][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1407.130370][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1407.130370][   T72]      ipv6_find_idev+0x102/0x170
[ 1407.130370][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1407.130370][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.130370][   T72]      netlink_rcv_skb+0x130/0x360
[ 1407.130370][   T72]      netlink_unicast+0x449/0x710
[ 1407.130370][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1407.130370][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.130370][   T72]      ___sys_sendmsg+0xee/0x170
[ 1407.130370][   T72]      __sys_sendmsg+0xcd/0x170
[ 1407.130370][   T72]      do_syscall_64+0xc6/0x1e0
[ 1407.130370][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.130370][   T72] 
[ 1407.131933][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1407.131933][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1407.131933][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1407.131933][   T72]      ipv6_find_idev+0x102/0x170
[ 1407.131933][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1407.131933][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.131933][   T72]      netlink_rcv_skb+0x130/0x360
[ 1407.131933][   T72]      netlink_unicast+0x449/0x710
[ 1407.131933][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1407.131933][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.131933][   T72]      ___sys_sendmsg+0xee/0x170
[ 1407.131933][   T72]      __sys_sendmsg+0xcd/0x170
[ 1407.131933][   T72]      do_syscall_64+0xc6/0x1e0
[ 1407.131933][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.131933][   T72] 
[ 1407.133790][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1407.134036][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1407.134036][   T72]      netdev_get_by_index+0x5e/0x80
[ 1407.134036][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1407.134036][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1407.134036][   T72]      ip6_route_add+0x1c/0x140
[ 1407.134036][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1407.134036][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1407.134036][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1407.134036][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.134036][   T72]      netlink_rcv_skb+0x130/0x360
[ 1407.134036][   T72]      netlink_unicast+0x449/0x710
[ 1407.134036][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1407.134036][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.134036][   T72]      ___sys_sendmsg+0xee/0x170
[ 1407.134036][   T72]      __sys_sendmsg+0xcd/0x170
[ 1407.134036][   T72]      do_syscall_64+0xc6/0x1e0
[ 1407.134036][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.134036][   T72] 
[ 1407.136069][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1407.136069][   T72]      netdev_get_by_index+0x5e/0x80
[ 1407.136069][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1407.136069][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1407.136069][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1407.136069][   T72]      ipv6_add_addr+0x411/0x2000
[ 1407.136069][   T72]      inet6_addr_add+0x30e/0xa40
[ 1407.136069][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1407.136069][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.136069][   T72]      netlink_rcv_skb+0x130/0x360
[ 1407.136069][   T72]      netlink_unicast+0x449/0x710
[ 1407.136069][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1407.136069][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.136069][   T72]      ___sys_sendmsg+0xee/0x170
[ 1407.136069][   T72]      __sys_sendmsg+0xcd/0x170
[ 1407.136069][   T72]      do_syscall_64+0xc6/0x1e0
[ 1407.136069][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.136069][   T72] 
[ 1407.138099][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1407.138099][   T72]      netdev_get_by_index+0x5e/0x80
[ 1407.138099][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1407.138099][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1407.138099][   T72]      ip6_route_add+0x1c/0x140
[ 1407.138099][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1407.138099][   T72]      addrconf_add_dev+0xe2/0x170
[ 1407.138099][   T72]      inet6_addr_add+0x12f/0xa40
[ 1407.138099][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1407.138099][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.138099][   T72]      netlink_rcv_skb+0x130/0x360
[ 1407.138099][   T72]      netlink_unicast+0x449/0x710
[ 1407.138099][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1407.138099][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.138099][   T72]      ___sys_sendmsg+0xee/0x170
[ 1407.138099][   T72]      __sys_sendmsg+0xcd/0x170
[ 1407.138099][   T72]      do_syscall_64+0xc6/0x1e0
[ 1407.138099][   T72] 
[ 1407.140087][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1407.140087][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1407.140087][   T72]      ipv6_find_idev+0x102/0x170
[ 1407.140087][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1407.140087][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.140087][   T72]      netlink_rcv_skb+0x130/0x360
[ 1407.140087][   T72]      netlink_unicast+0x449/0x710
[ 1407.140087][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1407.140087][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.140087][   T72]      ___sys_sendmsg+0xee/0x170
[ 1407.140087][   T72]      __sys_sendmsg+0xcd/0x170
[ 1407.140087][   T72]      do_syscall_64+0xc6/0x1e0
[ 1407.140087][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.140087][   T72] 
[ 1407.141643][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1407.141643][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1407.141643][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1407.141643][   T72]      ipv6_find_idev+0x102/0x170
[ 1407.141643][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1407.141643][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1407.141643][   T72]      netlink_rcv_skb+0x130/0x360
[ 1407.141643][   T72]      netlink_unicast+0x449/0x710
[ 1407.141643][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1407.141643][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1407.141643][   T72]      ___sys_sendmsg+0xee/0x170
[ 1407.141643][   T72]      __sys_sendmsg+0xcd/0x170
[ 1407.141643][   T72]      do_syscall_64+0xc6/0x1e0
[ 1407.141643][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1407.141643][   T72] 
[ 1417.351893][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1417.352369][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1417.352369][   T72]      netdev_get_by_index+0x5e/0x80
[ 1417.352369][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1417.352369][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1417.352369][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1417.352369][   T72]      ipv6_add_addr+0x411/0x2000
[ 1417.352369][   T72]      inet6_addr_add+0x30e/0xa40
[ 1417.352369][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1417.352369][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.352369][   T72]      netlink_rcv_skb+0x130/0x360
[ 1417.352369][   T72]      netlink_unicast+0x449/0x710
[ 1417.352369][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1417.352369][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.352369][   T72]      ___sys_sendmsg+0xee/0x170
[ 1417.352369][   T72]      __sys_sendmsg+0xcd/0x170
[ 1417.352369][   T72]      do_syscall_64+0xc6/0x1e0
[ 1417.352369][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.352369][   T72] 
[ 1417.354502][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1417.354502][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1417.354502][   T72]      ipv6_find_idev+0x102/0x170
[ 1417.354502][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1417.354502][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.354502][   T72]      netlink_rcv_skb+0x130/0x360
[ 1417.354502][   T72]      netlink_unicast+0x449/0x710
[ 1417.354502][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1417.354502][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.354502][   T72]      ___sys_sendmsg+0xee/0x170
[ 1417.354502][   T72]      __sys_sendmsg+0xcd/0x170
[ 1417.354502][   T72]      do_syscall_64+0xc6/0x1e0
[ 1417.354502][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.354502][   T72] 
[ 1417.356080][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1417.356080][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1417.356080][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1417.356080][   T72]      ipv6_find_idev+0x102/0x170
[ 1417.356080][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1417.356080][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.356080][   T72]      netlink_rcv_skb+0x130/0x360
[ 1417.356080][   T72]      netlink_unicast+0x449/0x710
[ 1417.356080][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1417.356080][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.356080][   T72]      ___sys_sendmsg+0xee/0x170
[ 1417.356080][   T72]      __sys_sendmsg+0xcd/0x170
[ 1417.356080][   T72]      do_syscall_64+0xc6/0x1e0
[ 1417.356080][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.356080][   T72] 
[ 1417.357833][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1417.358086][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1417.358086][   T72]      netdev_get_by_index+0x5e/0x80
[ 1417.358086][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1417.358086][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1417.358086][   T72]      ip6_route_add+0x1c/0x140
[ 1417.358086][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1417.358086][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1417.358086][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1417.358086][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.358086][   T72]      netlink_rcv_skb+0x130/0x360
[ 1417.358086][   T72]      netlink_unicast+0x449/0x710
[ 1417.358086][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1417.358086][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.358086][   T72]      ___sys_sendmsg+0xee/0x170
[ 1417.358086][   T72]      __sys_sendmsg+0xcd/0x170
[ 1417.358086][   T72]      do_syscall_64+0xc6/0x1e0
[ 1417.358086][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.358086][   T72] 
[ 1417.360147][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1417.360147][   T72]      netdev_get_by_index+0x5e/0x80
[ 1417.360147][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1417.360147][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1417.360147][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1417.360147][   T72]      ipv6_add_addr+0x411/0x2000
[ 1417.360147][   T72]      inet6_addr_add+0x30e/0xa40
[ 1417.360147][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1417.360147][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.360147][   T72]      netlink_rcv_skb+0x130/0x360
[ 1417.360147][   T72]      netlink_unicast+0x449/0x710
[ 1417.360147][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1417.360147][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.360147][   T72]      ___sys_sendmsg+0xee/0x170
[ 1417.360147][   T72]      __sys_sendmsg+0xcd/0x170
[ 1417.360147][   T72]      do_syscall_64+0xc6/0x1e0
[ 1417.360147][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.360147][   T72] 
[ 1417.362190][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1417.362190][   T72]      netdev_get_by_index+0x5e/0x80
[ 1417.362190][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1417.362190][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1417.362190][   T72]      ip6_route_add+0x1c/0x140
[ 1417.362190][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1417.362190][   T72]      addrconf_add_dev+0xe2/0x170
[ 1417.362190][   T72]      inet6_addr_add+0x12f/0xa40
[ 1417.362190][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1417.362190][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.362190][   T72]      netlink_rcv_skb+0x130/0x360
[ 1417.362190][   T72]      netlink_unicast+0x449/0x710
[ 1417.362190][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1417.362190][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.362190][   T72]      ___sys_sendmsg+0xee/0x170
[ 1417.362190][   T72]      __sys_sendmsg+0xcd/0x170
[ 1417.362190][   T72]      do_syscall_64+0xc6/0x1e0
[ 1417.362190][   T72] 
[ 1417.364197][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1417.364197][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1417.364197][   T72]      ipv6_find_idev+0x102/0x170
[ 1417.364197][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1417.364197][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.364197][   T72]      netlink_rcv_skb+0x130/0x360
[ 1417.364197][   T72]      netlink_unicast+0x449/0x710
[ 1417.364197][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1417.364197][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.364197][   T72]      ___sys_sendmsg+0xee/0x170
[ 1417.364197][   T72]      __sys_sendmsg+0xcd/0x170
[ 1417.364197][   T72]      do_syscall_64+0xc6/0x1e0
[ 1417.364197][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.364197][   T72] 
[ 1417.365879][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1417.365879][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1417.365879][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1417.365879][   T72]      ipv6_find_idev+0x102/0x170
[ 1417.365879][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1417.365879][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1417.365879][   T72]      netlink_rcv_skb+0x130/0x360
[ 1417.365879][   T72]      netlink_unicast+0x449/0x710
[ 1417.365879][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1417.365879][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1417.365879][   T72]      ___sys_sendmsg+0xee/0x170
[ 1417.365879][   T72]      __sys_sendmsg+0xcd/0x170
[ 1417.365879][   T72]      do_syscall_64+0xc6/0x1e0
[ 1417.365879][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1417.365879][   T72] 
[ 1427.607885][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1427.608316][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1427.608316][   T72]      netdev_get_by_index+0x5e/0x80
[ 1427.608316][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1427.608316][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1427.608316][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1427.608316][   T72]      ipv6_add_addr+0x411/0x2000
[ 1427.608316][   T72]      inet6_addr_add+0x30e/0xa40
[ 1427.608316][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1427.608316][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.608316][   T72]      netlink_rcv_skb+0x130/0x360
[ 1427.608316][   T72]      netlink_unicast+0x449/0x710
[ 1427.608316][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1427.608316][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.608316][   T72]      ___sys_sendmsg+0xee/0x170
[ 1427.608316][   T72]      __sys_sendmsg+0xcd/0x170
[ 1427.608316][   T72]      do_syscall_64+0xc6/0x1e0
[ 1427.608316][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.608316][   T72] 
[ 1427.610383][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1427.610383][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1427.610383][   T72]      ipv6_find_idev+0x102/0x170
[ 1427.610383][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1427.610383][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.610383][   T72]      netlink_rcv_skb+0x130/0x360
[ 1427.610383][   T72]      netlink_unicast+0x449/0x710
[ 1427.610383][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1427.610383][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.610383][   T72]      ___sys_sendmsg+0xee/0x170
[ 1427.610383][   T72]      __sys_sendmsg+0xcd/0x170
[ 1427.610383][   T72]      do_syscall_64+0xc6/0x1e0
[ 1427.610383][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.610383][   T72] 
[ 1427.611964][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1427.611964][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1427.611964][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1427.611964][   T72]      ipv6_find_idev+0x102/0x170
[ 1427.611964][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1427.611964][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.611964][   T72]      netlink_rcv_skb+0x130/0x360
[ 1427.611964][   T72]      netlink_unicast+0x449/0x710
[ 1427.611964][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1427.611964][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.611964][   T72]      ___sys_sendmsg+0xee/0x170
[ 1427.611964][   T72]      __sys_sendmsg+0xcd/0x170
[ 1427.611964][   T72]      do_syscall_64+0xc6/0x1e0
[ 1427.611964][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.611964][   T72] 
[ 1427.613710][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1427.613985][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1427.613985][   T72]      netdev_get_by_index+0x5e/0x80
[ 1427.613985][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1427.613985][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1427.613985][   T72]      ip6_route_add+0x1c/0x140
[ 1427.613985][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1427.613985][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1427.613985][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1427.613985][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.613985][   T72]      netlink_rcv_skb+0x130/0x360
[ 1427.613985][   T72]      netlink_unicast+0x449/0x710
[ 1427.613985][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1427.613985][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.613985][   T72]      ___sys_sendmsg+0xee/0x170
[ 1427.613985][   T72]      __sys_sendmsg+0xcd/0x170
[ 1427.613985][   T72]      do_syscall_64+0xc6/0x1e0
[ 1427.613985][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.613985][   T72] 
[ 1427.616038][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1427.616038][   T72]      netdev_get_by_index+0x5e/0x80
[ 1427.616038][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1427.616038][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1427.616038][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1427.616038][   T72]      ipv6_add_addr+0x411/0x2000
[ 1427.616038][   T72]      inet6_addr_add+0x30e/0xa40
[ 1427.616038][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1427.616038][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.616038][   T72]      netlink_rcv_skb+0x130/0x360
[ 1427.616038][   T72]      netlink_unicast+0x449/0x710
[ 1427.616038][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1427.616038][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.616038][   T72]      ___sys_sendmsg+0xee/0x170
[ 1427.616038][   T72]      __sys_sendmsg+0xcd/0x170
[ 1427.616038][   T72]      do_syscall_64+0xc6/0x1e0
[ 1427.616038][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.616038][   T72] 
[ 1427.618103][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1427.618103][   T72]      netdev_get_by_index+0x5e/0x80
[ 1427.618103][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1427.618103][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1427.618103][   T72]      ip6_route_add+0x1c/0x140
[ 1427.618103][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1427.618103][   T72]      addrconf_add_dev+0xe2/0x170
[ 1427.618103][   T72]      inet6_addr_add+0x12f/0xa40
[ 1427.618103][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1427.618103][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.618103][   T72]      netlink_rcv_skb+0x130/0x360
[ 1427.618103][   T72]      netlink_unicast+0x449/0x710
[ 1427.618103][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1427.618103][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.618103][   T72]      ___sys_sendmsg+0xee/0x170
[ 1427.618103][   T72]      __sys_sendmsg+0xcd/0x170
[ 1427.618103][   T72]      do_syscall_64+0xc6/0x1e0
[ 1427.618103][   T72] 
[ 1427.620105][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1427.620105][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1427.620105][   T72]      ipv6_find_idev+0x102/0x170
[ 1427.620105][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1427.620105][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.620105][   T72]      netlink_rcv_skb+0x130/0x360
[ 1427.620105][   T72]      netlink_unicast+0x449/0x710
[ 1427.620105][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1427.620105][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.620105][   T72]      ___sys_sendmsg+0xee/0x170
[ 1427.620105][   T72]      __sys_sendmsg+0xcd/0x170
[ 1427.620105][   T72]      do_syscall_64+0xc6/0x1e0
[ 1427.620105][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.620105][   T72] 
[ 1427.621692][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1427.621692][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1427.621692][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1427.621692][   T72]      ipv6_find_idev+0x102/0x170
[ 1427.621692][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1427.621692][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1427.621692][   T72]      netlink_rcv_skb+0x130/0x360
[ 1427.621692][   T72]      netlink_unicast+0x449/0x710
[ 1427.621692][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1427.621692][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1427.621692][   T72]      ___sys_sendmsg+0xee/0x170
[ 1427.621692][   T72]      __sys_sendmsg+0xcd/0x170
[ 1427.621692][   T72]      do_syscall_64+0xc6/0x1e0
[ 1427.621692][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1427.621692][   T72] 
[ 1437.863910][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1437.864404][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1437.864404][   T72]      netdev_get_by_index+0x5e/0x80
[ 1437.864404][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1437.864404][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1437.864404][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1437.864404][   T72]      ipv6_add_addr+0x411/0x2000
[ 1437.864404][   T72]      inet6_addr_add+0x30e/0xa40
[ 1437.864404][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1437.864404][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.864404][   T72]      netlink_rcv_skb+0x130/0x360
[ 1437.864404][   T72]      netlink_unicast+0x449/0x710
[ 1437.864404][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1437.864404][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.864404][   T72]      ___sys_sendmsg+0xee/0x170
[ 1437.864404][   T72]      __sys_sendmsg+0xcd/0x170
[ 1437.864404][   T72]      do_syscall_64+0xc6/0x1e0
[ 1437.864404][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.864404][   T72] 
[ 1437.866501][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1437.866501][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1437.866501][   T72]      ipv6_find_idev+0x102/0x170
[ 1437.866501][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1437.866501][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.866501][   T72]      netlink_rcv_skb+0x130/0x360
[ 1437.866501][   T72]      netlink_unicast+0x449/0x710
[ 1437.866501][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1437.866501][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.866501][   T72]      ___sys_sendmsg+0xee/0x170
[ 1437.866501][   T72]      __sys_sendmsg+0xcd/0x170
[ 1437.866501][   T72]      do_syscall_64+0xc6/0x1e0
[ 1437.866501][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.866501][   T72] 
[ 1437.868079][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1437.868079][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1437.868079][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1437.868079][   T72]      ipv6_find_idev+0x102/0x170
[ 1437.868079][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1437.868079][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.868079][   T72]      netlink_rcv_skb+0x130/0x360
[ 1437.868079][   T72]      netlink_unicast+0x449/0x710
[ 1437.868079][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1437.868079][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.868079][   T72]      ___sys_sendmsg+0xee/0x170
[ 1437.868079][   T72]      __sys_sendmsg+0xcd/0x170
[ 1437.868079][   T72]      do_syscall_64+0xc6/0x1e0
[ 1437.868079][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.868079][   T72] 
[ 1437.869848][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1437.870097][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1437.870097][   T72]      netdev_get_by_index+0x5e/0x80
[ 1437.870097][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1437.870097][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1437.870097][   T72]      ip6_route_add+0x1c/0x140
[ 1437.870097][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1437.870097][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1437.870097][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1437.870097][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.870097][   T72]      netlink_rcv_skb+0x130/0x360
[ 1437.870097][   T72]      netlink_unicast+0x449/0x710
[ 1437.870097][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1437.870097][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.870097][   T72]      ___sys_sendmsg+0xee/0x170
[ 1437.870097][   T72]      __sys_sendmsg+0xcd/0x170
[ 1437.870097][   T72]      do_syscall_64+0xc6/0x1e0
[ 1437.870097][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.870097][   T72] 
[ 1437.872175][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1437.872175][   T72]      netdev_get_by_index+0x5e/0x80
[ 1437.872175][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1437.872175][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1437.872175][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1437.872175][   T72]      ipv6_add_addr+0x411/0x2000
[ 1437.872175][   T72]      inet6_addr_add+0x30e/0xa40
[ 1437.872175][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1437.872175][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.872175][   T72]      netlink_rcv_skb+0x130/0x360
[ 1437.872175][   T72]      netlink_unicast+0x449/0x710
[ 1437.872175][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1437.872175][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.872175][   T72]      ___sys_sendmsg+0xee/0x170
[ 1437.872175][   T72]      __sys_sendmsg+0xcd/0x170
[ 1437.872175][   T72]      do_syscall_64+0xc6/0x1e0
[ 1437.872175][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.872175][   T72] 
[ 1437.874234][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1437.874234][   T72]      netdev_get_by_index+0x5e/0x80
[ 1437.874234][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1437.874234][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1437.874234][   T72]      ip6_route_add+0x1c/0x140
[ 1437.874234][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1437.874234][   T72]      addrconf_add_dev+0xe2/0x170
[ 1437.874234][   T72]      inet6_addr_add+0x12f/0xa40
[ 1437.874234][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1437.874234][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.874234][   T72]      netlink_rcv_skb+0x130/0x360
[ 1437.874234][   T72]      netlink_unicast+0x449/0x710
[ 1437.874234][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1437.874234][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.874234][   T72]      ___sys_sendmsg+0xee/0x170
[ 1437.874234][   T72]      __sys_sendmsg+0xcd/0x170
[ 1437.874234][   T72]      do_syscall_64+0xc6/0x1e0
[ 1437.874234][   T72] 
[ 1437.876254][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1437.876254][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1437.876254][   T72]      ipv6_find_idev+0x102/0x170
[ 1437.876254][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1437.876254][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.876254][   T72]      netlink_rcv_skb+0x130/0x360
[ 1437.876254][   T72]      netlink_unicast+0x449/0x710
[ 1437.876254][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1437.876254][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.876254][   T72]      ___sys_sendmsg+0xee/0x170
[ 1437.876254][   T72]      __sys_sendmsg+0xcd/0x170
[ 1437.876254][   T72]      do_syscall_64+0xc6/0x1e0
[ 1437.876254][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.876254][   T72] 
[ 1437.877830][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1437.877830][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1437.877830][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1437.877830][   T72]      ipv6_find_idev+0x102/0x170
[ 1437.877830][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1437.877830][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1437.877830][   T72]      netlink_rcv_skb+0x130/0x360
[ 1437.877830][   T72]      netlink_unicast+0x449/0x710
[ 1437.877830][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1437.877830][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1437.877830][   T72]      ___sys_sendmsg+0xee/0x170
[ 1437.877830][   T72]      __sys_sendmsg+0xcd/0x170
[ 1437.877830][   T72]      do_syscall_64+0xc6/0x1e0
[ 1437.877830][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1437.877830][   T72] 
[ 1448.119915][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1448.120423][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1448.120423][   T72]      netdev_get_by_index+0x5e/0x80
[ 1448.120423][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1448.120423][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1448.120423][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1448.120423][   T72]      ipv6_add_addr+0x411/0x2000
[ 1448.120423][   T72]      inet6_addr_add+0x30e/0xa40
[ 1448.120423][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1448.120423][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.120423][   T72]      netlink_rcv_skb+0x130/0x360
[ 1448.120423][   T72]      netlink_unicast+0x449/0x710
[ 1448.120423][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1448.120423][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.120423][   T72]      ___sys_sendmsg+0xee/0x170
[ 1448.120423][   T72]      __sys_sendmsg+0xcd/0x170
[ 1448.120423][   T72]      do_syscall_64+0xc6/0x1e0
[ 1448.120423][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.120423][   T72] 
[ 1448.122496][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1448.122496][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1448.122496][   T72]      ipv6_find_idev+0x102/0x170
[ 1448.122496][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1448.122496][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.122496][   T72]      netlink_rcv_skb+0x130/0x360
[ 1448.122496][   T72]      netlink_unicast+0x449/0x710
[ 1448.122496][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1448.122496][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.122496][   T72]      ___sys_sendmsg+0xee/0x170
[ 1448.122496][   T72]      __sys_sendmsg+0xcd/0x170
[ 1448.122496][   T72]      do_syscall_64+0xc6/0x1e0
[ 1448.122496][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.122496][   T72] 
[ 1448.124075][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1448.124075][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1448.124075][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1448.124075][   T72]      ipv6_find_idev+0x102/0x170
[ 1448.124075][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1448.124075][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.124075][   T72]      netlink_rcv_skb+0x130/0x360
[ 1448.124075][   T72]      netlink_unicast+0x449/0x710
[ 1448.124075][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1448.124075][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.124075][   T72]      ___sys_sendmsg+0xee/0x170
[ 1448.124075][   T72]      __sys_sendmsg+0xcd/0x170
[ 1448.124075][   T72]      do_syscall_64+0xc6/0x1e0
[ 1448.124075][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.124075][   T72] 
[ 1448.125839][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1448.126098][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1448.126098][   T72]      netdev_get_by_index+0x5e/0x80
[ 1448.126098][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1448.126098][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1448.126098][   T72]      ip6_route_add+0x1c/0x140
[ 1448.126098][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1448.126098][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1448.126098][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1448.126098][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.126098][   T72]      netlink_rcv_skb+0x130/0x360
[ 1448.126098][   T72]      netlink_unicast+0x449/0x710
[ 1448.126098][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1448.126098][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.126098][   T72]      ___sys_sendmsg+0xee/0x170
[ 1448.126098][   T72]      __sys_sendmsg+0xcd/0x170
[ 1448.126098][   T72]      do_syscall_64+0xc6/0x1e0
[ 1448.126098][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.126098][   T72] 
[ 1448.128169][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1448.128169][   T72]      netdev_get_by_index+0x5e/0x80
[ 1448.128169][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1448.128169][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1448.128169][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1448.128169][   T72]      ipv6_add_addr+0x411/0x2000
[ 1448.128169][   T72]      inet6_addr_add+0x30e/0xa40
[ 1448.128169][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1448.128169][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.128169][   T72]      netlink_rcv_skb+0x130/0x360
[ 1448.128169][   T72]      netlink_unicast+0x449/0x710
[ 1448.128169][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1448.128169][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.128169][   T72]      ___sys_sendmsg+0xee/0x170
[ 1448.128169][   T72]      __sys_sendmsg+0xcd/0x170
[ 1448.128169][   T72]      do_syscall_64+0xc6/0x1e0
[ 1448.128169][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.128169][   T72] 
[ 1448.130217][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1448.130217][   T72]      netdev_get_by_index+0x5e/0x80
[ 1448.130217][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1448.130217][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1448.130217][   T72]      ip6_route_add+0x1c/0x140
[ 1448.130217][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1448.130217][   T72]      addrconf_add_dev+0xe2/0x170
[ 1448.130217][   T72]      inet6_addr_add+0x12f/0xa40
[ 1448.130217][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1448.130217][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.130217][   T72]      netlink_rcv_skb+0x130/0x360
[ 1448.130217][   T72]      netlink_unicast+0x449/0x710
[ 1448.130217][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1448.130217][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.130217][   T72]      ___sys_sendmsg+0xee/0x170
[ 1448.130217][   T72]      __sys_sendmsg+0xcd/0x170
[ 1448.130217][   T72]      do_syscall_64+0xc6/0x1e0
[ 1448.130217][   T72] 
[ 1448.132209][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1448.132209][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1448.132209][   T72]      ipv6_find_idev+0x102/0x170
[ 1448.132209][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1448.132209][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.132209][   T72]      netlink_rcv_skb+0x130/0x360
[ 1448.132209][   T72]      netlink_unicast+0x449/0x710
[ 1448.132209][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1448.132209][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.132209][   T72]      ___sys_sendmsg+0xee/0x170
[ 1448.132209][   T72]      __sys_sendmsg+0xcd/0x170
[ 1448.132209][   T72]      do_syscall_64+0xc6/0x1e0
[ 1448.132209][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.132209][   T72] 
[ 1448.133777][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1448.133777][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1448.133777][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1448.133777][   T72]      ipv6_find_idev+0x102/0x170
[ 1448.133777][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1448.133777][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1448.133777][   T72]      netlink_rcv_skb+0x130/0x360
[ 1448.133777][   T72]      netlink_unicast+0x449/0x710
[ 1448.133777][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1448.133777][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1448.133777][   T72]      ___sys_sendmsg+0xee/0x170
[ 1448.133777][   T72]      __sys_sendmsg+0xcd/0x170
[ 1448.133777][   T72]      do_syscall_64+0xc6/0x1e0
[ 1448.133777][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1448.133777][   T72] 
[ 1458.375819][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1458.376255][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1458.376255][   T72]      netdev_get_by_index+0x5e/0x80
[ 1458.376255][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1458.376255][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1458.376255][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1458.376255][   T72]      ipv6_add_addr+0x411/0x2000
[ 1458.376255][   T72]      inet6_addr_add+0x30e/0xa40
[ 1458.376255][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1458.376255][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.376255][   T72]      netlink_rcv_skb+0x130/0x360
[ 1458.376255][   T72]      netlink_unicast+0x449/0x710
[ 1458.376255][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1458.376255][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.376255][   T72]      ___sys_sendmsg+0xee/0x170
[ 1458.376255][   T72]      __sys_sendmsg+0xcd/0x170
[ 1458.376255][   T72]      do_syscall_64+0xc6/0x1e0
[ 1458.376255][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.376255][   T72] 
[ 1458.378327][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1458.378327][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1458.378327][   T72]      ipv6_find_idev+0x102/0x170
[ 1458.378327][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1458.378327][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.378327][   T72]      netlink_rcv_skb+0x130/0x360
[ 1458.378327][   T72]      netlink_unicast+0x449/0x710
[ 1458.378327][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1458.378327][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.378327][   T72]      ___sys_sendmsg+0xee/0x170
[ 1458.378327][   T72]      __sys_sendmsg+0xcd/0x170
[ 1458.378327][   T72]      do_syscall_64+0xc6/0x1e0
[ 1458.378327][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.378327][   T72] 
[ 1458.379907][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1458.379907][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1458.379907][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1458.379907][   T72]      ipv6_find_idev+0x102/0x170
[ 1458.379907][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1458.379907][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.379907][   T72]      netlink_rcv_skb+0x130/0x360
[ 1458.379907][   T72]      netlink_unicast+0x449/0x710
[ 1458.379907][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1458.379907][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.379907][   T72]      ___sys_sendmsg+0xee/0x170
[ 1458.379907][   T72]      __sys_sendmsg+0xcd/0x170
[ 1458.379907][   T72]      do_syscall_64+0xc6/0x1e0
[ 1458.379907][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.379907][   T72] 
[ 1458.381648][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1458.381915][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1458.381915][   T72]      netdev_get_by_index+0x5e/0x80
[ 1458.381915][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1458.381915][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1458.381915][   T72]      ip6_route_add+0x1c/0x140
[ 1458.381915][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1458.381915][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1458.381915][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1458.381915][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.381915][   T72]      netlink_rcv_skb+0x130/0x360
[ 1458.381915][   T72]      netlink_unicast+0x449/0x710
[ 1458.381915][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1458.381915][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.381915][   T72]      ___sys_sendmsg+0xee/0x170
[ 1458.381915][   T72]      __sys_sendmsg+0xcd/0x170
[ 1458.381915][   T72]      do_syscall_64+0xc6/0x1e0
[ 1458.381915][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.381915][   T72] 
[ 1458.383991][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1458.383991][   T72]      netdev_get_by_index+0x5e/0x80
[ 1458.383991][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1458.383991][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1458.383991][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1458.383991][   T72]      ipv6_add_addr+0x411/0x2000
[ 1458.383991][   T72]      inet6_addr_add+0x30e/0xa40
[ 1458.383991][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1458.383991][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.383991][   T72]      netlink_rcv_skb+0x130/0x360
[ 1458.383991][   T72]      netlink_unicast+0x449/0x710
[ 1458.383991][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1458.383991][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.383991][   T72]      ___sys_sendmsg+0xee/0x170
[ 1458.383991][   T72]      __sys_sendmsg+0xcd/0x170
[ 1458.383991][   T72]      do_syscall_64+0xc6/0x1e0
[ 1458.383991][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.383991][   T72] 
[ 1458.386076][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1458.386076][   T72]      netdev_get_by_index+0x5e/0x80
[ 1458.386076][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1458.386076][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1458.386076][   T72]      ip6_route_add+0x1c/0x140
[ 1458.386076][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1458.386076][   T72]      addrconf_add_dev+0xe2/0x170
[ 1458.386076][   T72]      inet6_addr_add+0x12f/0xa40
[ 1458.386076][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1458.386076][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.386076][   T72]      netlink_rcv_skb+0x130/0x360
[ 1458.386076][   T72]      netlink_unicast+0x449/0x710
[ 1458.386076][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1458.386076][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.386076][   T72]      ___sys_sendmsg+0xee/0x170
[ 1458.386076][   T72]      __sys_sendmsg+0xcd/0x170
[ 1458.386076][   T72]      do_syscall_64+0xc6/0x1e0
[ 1458.386076][   T72] 
[ 1458.388081][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1458.388081][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1458.388081][   T72]      ipv6_find_idev+0x102/0x170
[ 1458.388081][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1458.388081][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.388081][   T72]      netlink_rcv_skb+0x130/0x360
[ 1458.388081][   T72]      netlink_unicast+0x449/0x710
[ 1458.388081][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1458.388081][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.388081][   T72]      ___sys_sendmsg+0xee/0x170
[ 1458.388081][   T72]      __sys_sendmsg+0xcd/0x170
[ 1458.388081][   T72]      do_syscall_64+0xc6/0x1e0
[ 1458.388081][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.388081][   T72] 
[ 1458.389652][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1458.389652][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1458.389652][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1458.389652][   T72]      ipv6_find_idev+0x102/0x170
[ 1458.389652][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1458.389652][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1458.389652][   T72]      netlink_rcv_skb+0x130/0x360
[ 1458.389652][   T72]      netlink_unicast+0x449/0x710
[ 1458.389652][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1458.389652][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1458.389652][   T72]      ___sys_sendmsg+0xee/0x170
[ 1458.389652][   T72]      __sys_sendmsg+0xcd/0x170
[ 1458.389652][   T72]      do_syscall_64+0xc6/0x1e0
[ 1458.389652][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1458.389652][   T72] 
[ 1468.631899][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1468.632312][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1468.632312][   T72]      netdev_get_by_index+0x5e/0x80
[ 1468.632312][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1468.632312][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1468.632312][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1468.632312][   T72]      ipv6_add_addr+0x411/0x2000
[ 1468.632312][   T72]      inet6_addr_add+0x30e/0xa40
[ 1468.632312][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1468.632312][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.632312][   T72]      netlink_rcv_skb+0x130/0x360
[ 1468.632312][   T72]      netlink_unicast+0x449/0x710
[ 1468.632312][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1468.632312][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.632312][   T72]      ___sys_sendmsg+0xee/0x170
[ 1468.632312][   T72]      __sys_sendmsg+0xcd/0x170
[ 1468.632312][   T72]      do_syscall_64+0xc6/0x1e0
[ 1468.632312][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.632312][   T72] 
[ 1468.634374][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1468.634374][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1468.634374][   T72]      ipv6_find_idev+0x102/0x170
[ 1468.634374][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1468.634374][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.634374][   T72]      netlink_rcv_skb+0x130/0x360
[ 1468.634374][   T72]      netlink_unicast+0x449/0x710
[ 1468.634374][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1468.634374][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.634374][   T72]      ___sys_sendmsg+0xee/0x170
[ 1468.634374][   T72]      __sys_sendmsg+0xcd/0x170
[ 1468.634374][   T72]      do_syscall_64+0xc6/0x1e0
[ 1468.634374][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.634374][   T72] 
[ 1468.635948][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1468.635948][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1468.635948][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1468.635948][   T72]      ipv6_find_idev+0x102/0x170
[ 1468.635948][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1468.635948][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.635948][   T72]      netlink_rcv_skb+0x130/0x360
[ 1468.635948][   T72]      netlink_unicast+0x449/0x710
[ 1468.635948][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1468.635948][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.635948][   T72]      ___sys_sendmsg+0xee/0x170
[ 1468.635948][   T72]      __sys_sendmsg+0xcd/0x170
[ 1468.635948][   T72]      do_syscall_64+0xc6/0x1e0
[ 1468.635948][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.635948][   T72] 
[ 1468.637652][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1468.637909][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1468.637909][   T72]      netdev_get_by_index+0x5e/0x80
[ 1468.637909][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1468.637909][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1468.637909][   T72]      ip6_route_add+0x1c/0x140
[ 1468.637909][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1468.637909][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1468.637909][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1468.637909][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.637909][   T72]      netlink_rcv_skb+0x130/0x360
[ 1468.637909][   T72]      netlink_unicast+0x449/0x710
[ 1468.637909][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1468.637909][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.637909][   T72]      ___sys_sendmsg+0xee/0x170
[ 1468.637909][   T72]      __sys_sendmsg+0xcd/0x170
[ 1468.637909][   T72]      do_syscall_64+0xc6/0x1e0
[ 1468.637909][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.637909][   T72] 
[ 1468.639922][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1468.639922][   T72]      netdev_get_by_index+0x5e/0x80
[ 1468.639922][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1468.639922][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1468.639922][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1468.639922][   T72]      ipv6_add_addr+0x411/0x2000
[ 1468.639922][   T72]      inet6_addr_add+0x30e/0xa40
[ 1468.639922][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1468.639922][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.639922][   T72]      netlink_rcv_skb+0x130/0x360
[ 1468.639922][   T72]      netlink_unicast+0x449/0x710
[ 1468.639922][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1468.639922][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.639922][   T72]      ___sys_sendmsg+0xee/0x170
[ 1468.639922][   T72]      __sys_sendmsg+0xcd/0x170
[ 1468.639922][   T72]      do_syscall_64+0xc6/0x1e0
[ 1468.639922][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.639922][   T72] 
[ 1468.642074][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1468.642074][   T72]      netdev_get_by_index+0x5e/0x80
[ 1468.642074][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1468.642074][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1468.642074][   T72]      ip6_route_add+0x1c/0x140
[ 1468.642074][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1468.642074][   T72]      addrconf_add_dev+0xe2/0x170
[ 1468.642074][   T72]      inet6_addr_add+0x12f/0xa40
[ 1468.642074][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1468.642074][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.642074][   T72]      netlink_rcv_skb+0x130/0x360
[ 1468.642074][   T72]      netlink_unicast+0x449/0x710
[ 1468.642074][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1468.642074][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.642074][   T72]      ___sys_sendmsg+0xee/0x170
[ 1468.642074][   T72]      __sys_sendmsg+0xcd/0x170
[ 1468.642074][   T72]      do_syscall_64+0xc6/0x1e0
[ 1468.642074][   T72] 
[ 1468.644051][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1468.644051][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1468.644051][   T72]      ipv6_find_idev+0x102/0x170
[ 1468.644051][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1468.644051][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.644051][   T72]      netlink_rcv_skb+0x130/0x360
[ 1468.644051][   T72]      netlink_unicast+0x449/0x710
[ 1468.644051][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1468.644051][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.644051][   T72]      ___sys_sendmsg+0xee/0x170
[ 1468.644051][   T72]      __sys_sendmsg+0xcd/0x170
[ 1468.644051][   T72]      do_syscall_64+0xc6/0x1e0
[ 1468.644051][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.644051][   T72] 
[ 1468.645613][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1468.645613][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1468.645613][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1468.645613][   T72]      ipv6_find_idev+0x102/0x170
[ 1468.645613][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1468.645613][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1468.645613][   T72]      netlink_rcv_skb+0x130/0x360
[ 1468.645613][   T72]      netlink_unicast+0x449/0x710
[ 1468.645613][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1468.645613][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1468.645613][   T72]      ___sys_sendmsg+0xee/0x170
[ 1468.645613][   T72]      __sys_sendmsg+0xcd/0x170
[ 1468.645613][   T72]      do_syscall_64+0xc6/0x1e0
[ 1468.645613][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1468.645613][   T72] 
[ 1478.999921][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1479.000382][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1479.000382][   T72]      netdev_get_by_index+0x5e/0x80
[ 1479.000382][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1479.000382][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1479.000382][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1479.000382][   T72]      ipv6_add_addr+0x411/0x2000
[ 1479.000382][   T72]      inet6_addr_add+0x30e/0xa40
[ 1479.000382][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1479.000382][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1479.000382][   T72]      netlink_rcv_skb+0x130/0x360
[ 1479.000382][   T72]      netlink_unicast+0x449/0x710
[ 1479.000382][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1479.000382][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1479.000382][   T72]      ___sys_sendmsg+0xee/0x170
[ 1479.000382][   T72]      __sys_sendmsg+0xcd/0x170
[ 1479.000382][   T72]      do_syscall_64+0xc6/0x1e0
[ 1479.000382][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1479.000382][   T72] 
[ 1479.002443][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1479.002443][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1479.002443][   T72]      ipv6_find_idev+0x102/0x170
[ 1479.002443][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1479.002443][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1479.002443][   T72]      netlink_rcv_skb+0x130/0x360
[ 1479.002443][   T72]      netlink_unicast+0x449/0x710
[ 1479.002443][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1479.002443][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1479.002443][   T72]      ___sys_sendmsg+0xee/0x170
[ 1479.002443][   T72]      __sys_sendmsg+0xcd/0x170
[ 1479.002443][   T72]      do_syscall_64+0xc6/0x1e0
[ 1479.002443][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1479.002443][   T72] 
[ 1479.004004][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1479.004004][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1479.004004][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1479.004004][   T72]      ipv6_find_idev+0x102/0x170
[ 1479.004004][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1479.004004][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1479.004004][   T72]      netlink_rcv_skb+0x130/0x360
[ 1479.004004][   T72]      netlink_unicast+0x449/0x710
[ 1479.004004][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1479.004004][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1479.004004][   T72]      ___sys_sendmsg+0xee/0x170
[ 1479.004004][   T72]      __sys_sendmsg+0xcd/0x170
[ 1479.004004][   T72]      do_syscall_64+0xc6/0x1e0
[ 1479.004004][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1479.004004][   T72] 
[ 1479.005738][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1479.006001][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1479.006001][   T72]      netdev_get_by_index+0x5e/0x80
[ 1479.006001][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1479.006001][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1479.006001][   T72]      ip6_route_add+0x1c/0x140
[ 1479.006001][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1479.006001][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1479.006001][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1479.006001][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1479.006001][   T72]      netlink_rcv_skb+0x130/0x360
[ 1479.006001][   T72]      netlink_unicast+0x449/0x710
[ 1479.006001][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1479.006001][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1479.006001][   T72]      ___sys_sendmsg+0xee/0x170
[ 1479.006001][   T72]      __sys_sendmsg+0xcd/0x170
[ 1479.006001][   T72]      do_syscall_64+0xc6/0x1e0
[ 1479.006001][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1479.006001][   T72] 
[ 1479.008021][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1479.008021][   T72]      netdev_get_by_index+0x5e/0x80
[ 1479.008021][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1479.008021][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1479.008021][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1479.008021][   T72]      ipv6_add_addr+0x411/0x2000
[ 1479.008021][   T72]      inet6_addr_add+0x30e/0xa40
[ 1479.008021][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1479.008021][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1479.008021][   T72]      netlink_rcv_skb+0x130/0x360
[ 1479.008021][   T72]      netlink_unicast+0x449/0x710
[ 1479.008021][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1479.008021][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1479.008021][   T72]      ___sys_sendmsg+0xee/0x170
[ 1479.008021][   T72]      __sys_sendmsg+0xcd/0x170
[ 1479.008021][   T72]      do_syscall_64+0xc6/0x1e0
[ 1479.008021][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1479.008021][   T72] 
[ 1479.010049][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1479.010049][   T72]      netdev_get_by_index+0x5e/0x80
[ 1479.010049][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1479.010049][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1479.010049][   T72]      ip6_route_add+0x1c/0x140
[ 1479.010049][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1479.010049][   T72]      addrconf_add_dev+0xe2/0x170
[ 1479.010049][   T72]      inet6_addr_add+0x12f/0xa40
[ 1479.010049][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1479.010049][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1479.010049][   T72]      netlink_rcv_skb+0x130/0x360
[ 1479.010049][   T72]      netlink_unicast+0x449/0x710
[ 1479.010049][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1479.010049][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1479.010049][   T72]      ___sys_sendmsg+0xee/0x170
[ 1479.010049][   T72]      __sys_sendmsg+0xcd/0x170
[ 1479.010049][   T72]      do_syscall_64+0xc6/0x1e0
[ 1479.010049][   T72] 
[ 1479.012035][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1479.012035][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1479.012035][   T72]      ipv6_find_idev+0x102/0x170
[ 1479.012035][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1479.012035][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1479.012035][   T72]      netlink_rcv_skb+0x130/0x360
[ 1479.012035][   T72]      netlink_unicast+0x449/0x710
[ 1479.012035][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1479.012035][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1479.012035][   T72]      ___sys_sendmsg+0xee/0x170
[ 1479.012035][   T72]      __sys_sendmsg+0xcd/0x170
[ 1479.012035][   T72]      do_syscall_64+0xc6/0x1e0
[ 1479.012035][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1479.012035][   T72] 
[ 1479.013593][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1479.013593][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1479.013593][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1479.013593][   T72]      ipv6_find_idev+0x102/0x170
[ 1479.013593][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1479.013593][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1479.013593][   T72]      netlink_rcv_skb+0x130/0x360
[ 1479.013593][   T72]      netlink_unicast+0x449/0x710
[ 1479.013593][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1479.013593][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1479.013593][   T72]      ___sys_sendmsg+0xee/0x170
[ 1479.013593][   T72]      __sys_sendmsg+0xcd/0x170
[ 1479.013593][   T72]      do_syscall_64+0xc6/0x1e0
[ 1479.013593][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1479.013593][   T72] 
[ 1489.095840][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1489.096260][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1489.096260][   T72]      netdev_get_by_index+0x5e/0x80
[ 1489.096260][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1489.096260][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1489.096260][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1489.096260][   T72]      ipv6_add_addr+0x411/0x2000
[ 1489.096260][   T72]      inet6_addr_add+0x30e/0xa40
[ 1489.096260][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1489.096260][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.096260][   T72]      netlink_rcv_skb+0x130/0x360
[ 1489.096260][   T72]      netlink_unicast+0x449/0x710
[ 1489.096260][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1489.096260][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.096260][   T72]      ___sys_sendmsg+0xee/0x170
[ 1489.096260][   T72]      __sys_sendmsg+0xcd/0x170
[ 1489.096260][   T72]      do_syscall_64+0xc6/0x1e0
[ 1489.096260][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.096260][   T72] 
[ 1489.098308][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1489.098308][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1489.098308][   T72]      ipv6_find_idev+0x102/0x170
[ 1489.098308][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1489.098308][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.098308][   T72]      netlink_rcv_skb+0x130/0x360
[ 1489.098308][   T72]      netlink_unicast+0x449/0x710
[ 1489.098308][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1489.098308][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.098308][   T72]      ___sys_sendmsg+0xee/0x170
[ 1489.098308][   T72]      __sys_sendmsg+0xcd/0x170
[ 1489.098308][   T72]      do_syscall_64+0xc6/0x1e0
[ 1489.098308][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.098308][   T72] 
[ 1489.099876][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1489.099876][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1489.099876][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1489.099876][   T72]      ipv6_find_idev+0x102/0x170
[ 1489.099876][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1489.099876][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.099876][   T72]      netlink_rcv_skb+0x130/0x360
[ 1489.099876][   T72]      netlink_unicast+0x449/0x710
[ 1489.099876][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1489.099876][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.099876][   T72]      ___sys_sendmsg+0xee/0x170
[ 1489.099876][   T72]      __sys_sendmsg+0xcd/0x170
[ 1489.099876][   T72]      do_syscall_64+0xc6/0x1e0
[ 1489.099876][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.099876][   T72] 
[ 1489.101601][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1489.101866][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1489.101866][   T72]      netdev_get_by_index+0x5e/0x80
[ 1489.101866][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1489.101866][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1489.101866][   T72]      ip6_route_add+0x1c/0x140
[ 1489.101866][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1489.101866][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1489.101866][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1489.101866][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.101866][   T72]      netlink_rcv_skb+0x130/0x360
[ 1489.101866][   T72]      netlink_unicast+0x449/0x710
[ 1489.101866][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1489.101866][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.101866][   T72]      ___sys_sendmsg+0xee/0x170
[ 1489.101866][   T72]      __sys_sendmsg+0xcd/0x170
[ 1489.101866][   T72]      do_syscall_64+0xc6/0x1e0
[ 1489.101866][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.101866][   T72] 
[ 1489.103901][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1489.103901][   T72]      netdev_get_by_index+0x5e/0x80
[ 1489.103901][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1489.103901][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1489.103901][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1489.103901][   T72]      ipv6_add_addr+0x411/0x2000
[ 1489.103901][   T72]      inet6_addr_add+0x30e/0xa40
[ 1489.103901][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1489.103901][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.103901][   T72]      netlink_rcv_skb+0x130/0x360
[ 1489.103901][   T72]      netlink_unicast+0x449/0x710
[ 1489.103901][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1489.103901][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.103901][   T72]      ___sys_sendmsg+0xee/0x170
[ 1489.103901][   T72]      __sys_sendmsg+0xcd/0x170
[ 1489.103901][   T72]      do_syscall_64+0xc6/0x1e0
[ 1489.103901][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.103901][   T72] 
[ 1489.105940][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1489.105940][   T72]      netdev_get_by_index+0x5e/0x80
[ 1489.105940][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1489.105940][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1489.105940][   T72]      ip6_route_add+0x1c/0x140
[ 1489.105940][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1489.105940][   T72]      addrconf_add_dev+0xe2/0x170
[ 1489.105940][   T72]      inet6_addr_add+0x12f/0xa40
[ 1489.105940][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1489.105940][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.105940][   T72]      netlink_rcv_skb+0x130/0x360
[ 1489.105940][   T72]      netlink_unicast+0x449/0x710
[ 1489.105940][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1489.105940][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.105940][   T72]      ___sys_sendmsg+0xee/0x170
[ 1489.105940][   T72]      __sys_sendmsg+0xcd/0x170
[ 1489.105940][   T72]      do_syscall_64+0xc6/0x1e0
[ 1489.105940][   T72] 
[ 1489.107933][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1489.107933][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1489.107933][   T72]      ipv6_find_idev+0x102/0x170
[ 1489.107933][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1489.107933][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.107933][   T72]      netlink_rcv_skb+0x130/0x360
[ 1489.107933][   T72]      netlink_unicast+0x449/0x710
[ 1489.107933][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1489.107933][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.107933][   T72]      ___sys_sendmsg+0xee/0x170
[ 1489.107933][   T72]      __sys_sendmsg+0xcd/0x170
[ 1489.107933][   T72]      do_syscall_64+0xc6/0x1e0
[ 1489.107933][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.107933][   T72] 
[ 1489.109493][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1489.109493][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1489.109493][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1489.109493][   T72]      ipv6_find_idev+0x102/0x170
[ 1489.109493][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1489.109493][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1489.109493][   T72]      netlink_rcv_skb+0x130/0x360
[ 1489.109493][   T72]      netlink_unicast+0x449/0x710
[ 1489.109493][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1489.109493][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1489.109493][   T72]      ___sys_sendmsg+0xee/0x170
[ 1489.109493][   T72]      __sys_sendmsg+0xcd/0x170
[ 1489.109493][   T72]      do_syscall_64+0xc6/0x1e0
[ 1489.109493][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1489.109493][   T72] 
[ 1499.191908][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1499.192318][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1499.192318][   T72]      netdev_get_by_index+0x5e/0x80
[ 1499.192318][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1499.192318][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1499.192318][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1499.192318][   T72]      ipv6_add_addr+0x411/0x2000
[ 1499.192318][   T72]      inet6_addr_add+0x30e/0xa40
[ 1499.192318][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1499.192318][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.192318][   T72]      netlink_rcv_skb+0x130/0x360
[ 1499.192318][   T72]      netlink_unicast+0x449/0x710
[ 1499.192318][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1499.192318][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.192318][   T72]      ___sys_sendmsg+0xee/0x170
[ 1499.192318][   T72]      __sys_sendmsg+0xcd/0x170
[ 1499.192318][   T72]      do_syscall_64+0xc6/0x1e0
[ 1499.192318][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.192318][   T72] 
[ 1499.194389][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1499.194389][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1499.194389][   T72]      ipv6_find_idev+0x102/0x170
[ 1499.194389][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1499.194389][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.194389][   T72]      netlink_rcv_skb+0x130/0x360
[ 1499.194389][   T72]      netlink_unicast+0x449/0x710
[ 1499.194389][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1499.194389][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.194389][   T72]      ___sys_sendmsg+0xee/0x170
[ 1499.194389][   T72]      __sys_sendmsg+0xcd/0x170
[ 1499.194389][   T72]      do_syscall_64+0xc6/0x1e0
[ 1499.194389][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.194389][   T72] 
[ 1499.195946][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1499.195946][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1499.195946][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1499.195946][   T72]      ipv6_find_idev+0x102/0x170
[ 1499.195946][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1499.195946][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.195946][   T72]      netlink_rcv_skb+0x130/0x360
[ 1499.195946][   T72]      netlink_unicast+0x449/0x710
[ 1499.195946][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1499.195946][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.195946][   T72]      ___sys_sendmsg+0xee/0x170
[ 1499.195946][   T72]      __sys_sendmsg+0xcd/0x170
[ 1499.195946][   T72]      do_syscall_64+0xc6/0x1e0
[ 1499.195946][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.195946][   T72] 
[ 1499.197678][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1499.197944][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1499.197944][   T72]      netdev_get_by_index+0x5e/0x80
[ 1499.197944][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1499.197944][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1499.197944][   T72]      ip6_route_add+0x1c/0x140
[ 1499.197944][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1499.197944][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1499.197944][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1499.197944][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.197944][   T72]      netlink_rcv_skb+0x130/0x360
[ 1499.197944][   T72]      netlink_unicast+0x449/0x710
[ 1499.197944][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1499.197944][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.197944][   T72]      ___sys_sendmsg+0xee/0x170
[ 1499.197944][   T72]      __sys_sendmsg+0xcd/0x170
[ 1499.197944][   T72]      do_syscall_64+0xc6/0x1e0
[ 1499.197944][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.197944][   T72] 
[ 1499.199975][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1499.199975][   T72]      netdev_get_by_index+0x5e/0x80
[ 1499.199975][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1499.199975][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1499.199975][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1499.199975][   T72]      ipv6_add_addr+0x411/0x2000
[ 1499.199975][   T72]      inet6_addr_add+0x30e/0xa40
[ 1499.199975][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1499.199975][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.199975][   T72]      netlink_rcv_skb+0x130/0x360
[ 1499.199975][   T72]      netlink_unicast+0x449/0x710
[ 1499.199975][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1499.199975][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.199975][   T72]      ___sys_sendmsg+0xee/0x170
[ 1499.199975][   T72]      __sys_sendmsg+0xcd/0x170
[ 1499.199975][   T72]      do_syscall_64+0xc6/0x1e0
[ 1499.199975][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.199975][   T72] 
[ 1499.201998][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1499.201998][   T72]      netdev_get_by_index+0x5e/0x80
[ 1499.201998][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1499.201998][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1499.201998][   T72]      ip6_route_add+0x1c/0x140
[ 1499.201998][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1499.201998][   T72]      addrconf_add_dev+0xe2/0x170
[ 1499.201998][   T72]      inet6_addr_add+0x12f/0xa40
[ 1499.201998][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1499.201998][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.201998][   T72]      netlink_rcv_skb+0x130/0x360
[ 1499.201998][   T72]      netlink_unicast+0x449/0x710
[ 1499.201998][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1499.201998][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.201998][   T72]      ___sys_sendmsg+0xee/0x170
[ 1499.201998][   T72]      __sys_sendmsg+0xcd/0x170
[ 1499.201998][   T72]      do_syscall_64+0xc6/0x1e0
[ 1499.201998][   T72] 
[ 1499.203987][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1499.203987][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1499.203987][   T72]      ipv6_find_idev+0x102/0x170
[ 1499.203987][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1499.203987][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.203987][   T72]      netlink_rcv_skb+0x130/0x360
[ 1499.203987][   T72]      netlink_unicast+0x449/0x710
[ 1499.203987][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1499.203987][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.203987][   T72]      ___sys_sendmsg+0xee/0x170
[ 1499.203987][   T72]      __sys_sendmsg+0xcd/0x170
[ 1499.203987][   T72]      do_syscall_64+0xc6/0x1e0
[ 1499.203987][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.203987][   T72] 
[ 1499.205549][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1499.205549][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1499.205549][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1499.205549][   T72]      ipv6_find_idev+0x102/0x170
[ 1499.205549][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1499.205549][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1499.205549][   T72]      netlink_rcv_skb+0x130/0x360
[ 1499.205549][   T72]      netlink_unicast+0x449/0x710
[ 1499.205549][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1499.205549][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1499.205549][   T72]      ___sys_sendmsg+0xee/0x170
[ 1499.205549][   T72]      __sys_sendmsg+0xcd/0x170
[ 1499.205549][   T72]      do_syscall_64+0xc6/0x1e0
[ 1499.205549][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1499.205549][   T72] 
[ 1509.407880][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1509.408355][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1509.408355][   T72]      netdev_get_by_index+0x5e/0x80
[ 1509.408355][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1509.408355][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1509.408355][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1509.408355][   T72]      ipv6_add_addr+0x411/0x2000
[ 1509.408355][   T72]      inet6_addr_add+0x30e/0xa40
[ 1509.408355][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1509.408355][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.408355][   T72]      netlink_rcv_skb+0x130/0x360
[ 1509.408355][   T72]      netlink_unicast+0x449/0x710
[ 1509.408355][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1509.408355][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.408355][   T72]      ___sys_sendmsg+0xee/0x170
[ 1509.408355][   T72]      __sys_sendmsg+0xcd/0x170
[ 1509.408355][   T72]      do_syscall_64+0xc6/0x1e0
[ 1509.408355][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.408355][   T72] 
[ 1509.410411][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1509.410411][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1509.410411][   T72]      ipv6_find_idev+0x102/0x170
[ 1509.410411][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1509.410411][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.410411][   T72]      netlink_rcv_skb+0x130/0x360
[ 1509.410411][   T72]      netlink_unicast+0x449/0x710
[ 1509.410411][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1509.410411][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.410411][   T72]      ___sys_sendmsg+0xee/0x170
[ 1509.410411][   T72]      __sys_sendmsg+0xcd/0x170
[ 1509.410411][   T72]      do_syscall_64+0xc6/0x1e0
[ 1509.410411][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.410411][   T72] 
[ 1509.411985][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1509.411985][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1509.411985][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1509.411985][   T72]      ipv6_find_idev+0x102/0x170
[ 1509.411985][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1509.411985][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.411985][   T72]      netlink_rcv_skb+0x130/0x360
[ 1509.411985][   T72]      netlink_unicast+0x449/0x710
[ 1509.411985][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1509.411985][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.411985][   T72]      ___sys_sendmsg+0xee/0x170
[ 1509.411985][   T72]      __sys_sendmsg+0xcd/0x170
[ 1509.411985][   T72]      do_syscall_64+0xc6/0x1e0
[ 1509.411985][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.411985][   T72] 
[ 1509.413705][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1509.413971][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1509.413971][   T72]      netdev_get_by_index+0x5e/0x80
[ 1509.413971][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1509.413971][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1509.413971][   T72]      ip6_route_add+0x1c/0x140
[ 1509.413971][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1509.413971][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1509.413971][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1509.413971][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.413971][   T72]      netlink_rcv_skb+0x130/0x360
[ 1509.413971][   T72]      netlink_unicast+0x449/0x710
[ 1509.413971][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1509.413971][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.413971][   T72]      ___sys_sendmsg+0xee/0x170
[ 1509.413971][   T72]      __sys_sendmsg+0xcd/0x170
[ 1509.413971][   T72]      do_syscall_64+0xc6/0x1e0
[ 1509.413971][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.413971][   T72] 
[ 1509.416553][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1509.416553][   T72]      netdev_get_by_index+0x5e/0x80
[ 1509.416553][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1509.416553][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1509.416553][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1509.416553][   T72]      ipv6_add_addr+0x411/0x2000
[ 1509.416553][   T72]      inet6_addr_add+0x30e/0xa40
[ 1509.416553][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1509.416553][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.416553][   T72]      netlink_rcv_skb+0x130/0x360
[ 1509.416553][   T72]      netlink_unicast+0x449/0x710
[ 1509.416553][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1509.416553][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.416553][   T72]      ___sys_sendmsg+0xee/0x170
[ 1509.416553][   T72]      __sys_sendmsg+0xcd/0x170
[ 1509.416553][   T72]      do_syscall_64+0xc6/0x1e0
[ 1509.416553][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.416553][   T72] 
[ 1509.418968][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1509.418968][   T72]      netdev_get_by_index+0x5e/0x80
[ 1509.418968][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1509.418968][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1509.418968][   T72]      ip6_route_add+0x1c/0x140
[ 1509.418968][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1509.418968][   T72]      addrconf_add_dev+0xe2/0x170
[ 1509.418968][   T72]      inet6_addr_add+0x12f/0xa40
[ 1509.418968][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1509.418968][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.418968][   T72]      netlink_rcv_skb+0x130/0x360
[ 1509.418968][   T72]      netlink_unicast+0x449/0x710
[ 1509.418968][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1509.418968][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.418968][   T72]      ___sys_sendmsg+0xee/0x170
[ 1509.418968][   T72]      __sys_sendmsg+0xcd/0x170
[ 1509.418968][   T72]      do_syscall_64+0xc6/0x1e0
[ 1509.418968][   T72] 
[ 1509.420946][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1509.420946][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1509.420946][   T72]      ipv6_find_idev+0x102/0x170
[ 1509.420946][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1509.420946][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.420946][   T72]      netlink_rcv_skb+0x130/0x360
[ 1509.420946][   T72]      netlink_unicast+0x449/0x710
[ 1509.420946][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1509.420946][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.420946][   T72]      ___sys_sendmsg+0xee/0x170
[ 1509.420946][   T72]      __sys_sendmsg+0xcd/0x170
[ 1509.420946][   T72]      do_syscall_64+0xc6/0x1e0
[ 1509.420946][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.420946][   T72] 
[ 1509.422496][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1509.422496][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1509.422496][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1509.422496][   T72]      ipv6_find_idev+0x102/0x170
[ 1509.422496][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1509.422496][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1509.422496][   T72]      netlink_rcv_skb+0x130/0x360
[ 1509.422496][   T72]      netlink_unicast+0x449/0x710
[ 1509.422496][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1509.422496][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1509.422496][   T72]      ___sys_sendmsg+0xee/0x170
[ 1509.422496][   T72]      __sys_sendmsg+0xcd/0x170
[ 1509.422496][   T72]      do_syscall_64+0xc6/0x1e0
[ 1509.422496][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1509.422496][   T72] 
[ 1519.655841][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1519.656264][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1519.656264][   T72]      netdev_get_by_index+0x5e/0x80
[ 1519.656264][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1519.656264][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1519.656264][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1519.656264][   T72]      ipv6_add_addr+0x411/0x2000
[ 1519.656264][   T72]      inet6_addr_add+0x30e/0xa40
[ 1519.656264][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1519.656264][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.656264][   T72]      netlink_rcv_skb+0x130/0x360
[ 1519.656264][   T72]      netlink_unicast+0x449/0x710
[ 1519.656264][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1519.656264][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.656264][   T72]      ___sys_sendmsg+0xee/0x170
[ 1519.656264][   T72]      __sys_sendmsg+0xcd/0x170
[ 1519.656264][   T72]      do_syscall_64+0xc6/0x1e0
[ 1519.656264][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1519.656264][   T72] 
[ 1519.658703][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1519.658703][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1519.658703][   T72]      ipv6_find_idev+0x102/0x170
[ 1519.658703][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1519.658703][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.658703][   T72]      netlink_rcv_skb+0x130/0x360
[ 1519.658703][   T72]      netlink_unicast+0x449/0x710
[ 1519.658703][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1519.658703][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.658703][   T72]      ___sys_sendmsg+0xee/0x170
[ 1519.658703][   T72]      __sys_sendmsg+0xcd/0x170
[ 1519.658703][   T72]      do_syscall_64+0xc6/0x1e0
[ 1519.658703][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1519.658703][   T72] 
[ 1519.660277][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1519.660277][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1519.660277][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1519.660277][   T72]      ipv6_find_idev+0x102/0x170
[ 1519.660277][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1519.660277][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.660277][   T72]      netlink_rcv_skb+0x130/0x360
[ 1519.660277][   T72]      netlink_unicast+0x449/0x710
[ 1519.660277][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1519.660277][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.660277][   T72]      ___sys_sendmsg+0xee/0x170
[ 1519.660277][   T72]      __sys_sendmsg+0xcd/0x170
[ 1519.660277][   T72]      do_syscall_64+0xc6/0x1e0
[ 1519.660277][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1519.660277][   T72] 
[ 1519.662020][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1519.662302][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1519.662302][   T72]      netdev_get_by_index+0x5e/0x80
[ 1519.662302][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1519.662302][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1519.662302][   T72]      ip6_route_add+0x1c/0x140
[ 1519.662302][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1519.662302][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1519.662302][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1519.662302][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.662302][   T72]      netlink_rcv_skb+0x130/0x360
[ 1519.662302][   T72]      netlink_unicast+0x449/0x710
[ 1519.662302][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1519.662302][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.662302][   T72]      ___sys_sendmsg+0xee/0x170
[ 1519.662302][   T72]      __sys_sendmsg+0xcd/0x170
[ 1519.662302][   T72]      do_syscall_64+0xc6/0x1e0
[ 1519.662302][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1519.662302][   T72] 
[ 1519.664355][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1519.664355][   T72]      netdev_get_by_index+0x5e/0x80
[ 1519.664355][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1519.664355][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1519.664355][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1519.664355][   T72]      ipv6_add_addr+0x411/0x2000
[ 1519.664355][   T72]      inet6_addr_add+0x30e/0xa40
[ 1519.664355][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1519.664355][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.664355][   T72]      netlink_rcv_skb+0x130/0x360
[ 1519.664355][   T72]      netlink_unicast+0x449/0x710
[ 1519.664355][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1519.664355][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.664355][   T72]      ___sys_sendmsg+0xee/0x170
[ 1519.664355][   T72]      __sys_sendmsg+0xcd/0x170
[ 1519.664355][   T72]      do_syscall_64+0xc6/0x1e0
[ 1519.664355][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1519.664355][   T72] 
[ 1519.666423][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1519.666423][   T72]      netdev_get_by_index+0x5e/0x80
[ 1519.666423][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1519.666423][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1519.666423][   T72]      ip6_route_add+0x1c/0x140
[ 1519.666423][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1519.666423][   T72]      addrconf_add_dev+0xe2/0x170
[ 1519.666423][   T72]      inet6_addr_add+0x12f/0xa40
[ 1519.666423][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1519.666423][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.666423][   T72]      netlink_rcv_skb+0x130/0x360
[ 1519.666423][   T72]      netlink_unicast+0x449/0x710
[ 1519.666423][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1519.666423][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.666423][   T72]      ___sys_sendmsg+0xee/0x170
[ 1519.666423][   T72]      __sys_sendmsg+0xcd/0x170
[ 1519.666423][   T72]      do_syscall_64+0xc6/0x1e0
[ 1519.666423][   T72] 
[ 1519.668432][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1519.668432][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1519.668432][   T72]      ipv6_find_idev+0x102/0x170
[ 1519.668432][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1519.668432][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.668432][   T72]      netlink_rcv_skb+0x130/0x360
[ 1519.668432][   T72]      netlink_unicast+0x449/0x710
[ 1519.668432][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1519.668432][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.668432][   T72]      ___sys_sendmsg+0xee/0x170
[ 1519.668432][   T72]      __sys_sendmsg+0xcd/0x170
[ 1519.668432][   T72]      do_syscall_64+0xc6/0x1e0
[ 1519.668432][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1519.668432][   T72] 
[ 1519.670002][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1519.670002][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1519.670002][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1519.670002][   T72]      ipv6_find_idev+0x102/0x170
[ 1519.670002][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1519.670002][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1519.670002][   T72]      netlink_rcv_skb+0x130/0x360
[ 1519.670002][   T72]      netlink_unicast+0x449/0x710
[ 1519.670002][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1519.670002][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1519.670002][   T72]      ___sys_sendmsg+0xee/0x170
[ 1519.670002][   T72]      __sys_sendmsg+0xcd/0x170
[ 1519.670002][   T72]      do_syscall_64+0xc6/0x1e0
[ 1519.670002][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1519.670002][   T72] 
[ 1529.863807][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1529.864272][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1529.864272][   T72]      netdev_get_by_index+0x5e/0x80
[ 1529.864272][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1529.864272][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1529.864272][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1529.864272][   T72]      ipv6_add_addr+0x411/0x2000
[ 1529.864272][   T72]      inet6_addr_add+0x30e/0xa40
[ 1529.864272][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1529.864272][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1529.864272][   T72]      netlink_rcv_skb+0x130/0x360
[ 1529.864272][   T72]      netlink_unicast+0x449/0x710
[ 1529.864272][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1529.864272][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1529.864272][   T72]      ___sys_sendmsg+0xee/0x170
[ 1529.864272][   T72]      __sys_sendmsg+0xcd/0x170
[ 1529.864272][   T72]      do_syscall_64+0xc6/0x1e0
[ 1529.864272][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1529.864272][   T72] 
[ 1529.866345][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1529.866345][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1529.866345][   T72]      ipv6_find_idev+0x102/0x170
[ 1529.866345][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1529.866345][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1529.866345][   T72]      netlink_rcv_skb+0x130/0x360
[ 1529.866345][   T72]      netlink_unicast+0x449/0x710
[ 1529.866345][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1529.866345][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1529.866345][   T72]      ___sys_sendmsg+0xee/0x170
[ 1529.866345][   T72]      __sys_sendmsg+0xcd/0x170
[ 1529.866345][   T72]      do_syscall_64+0xc6/0x1e0
[ 1529.866345][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1529.866345][   T72] 
[ 1529.867913][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1529.867913][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1529.867913][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1529.867913][   T72]      ipv6_find_idev+0x102/0x170
[ 1529.867913][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1529.867913][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1529.867913][   T72]      netlink_rcv_skb+0x130/0x360
[ 1529.867913][   T72]      netlink_unicast+0x449/0x710
[ 1529.867913][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1529.867913][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1529.867913][   T72]      ___sys_sendmsg+0xee/0x170
[ 1529.867913][   T72]      __sys_sendmsg+0xcd/0x170
[ 1529.867913][   T72]      do_syscall_64+0xc6/0x1e0
[ 1529.867913][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1529.867913][   T72] 
[ 1529.869636][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1529.869912][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1529.869912][   T72]      netdev_get_by_index+0x5e/0x80
[ 1529.869912][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1529.869912][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1529.869912][   T72]      ip6_route_add+0x1c/0x140
[ 1529.869912][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1529.869912][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1529.869912][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1529.869912][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1529.869912][   T72]      netlink_rcv_skb+0x130/0x360
[ 1529.869912][   T72]      netlink_unicast+0x449/0x710
[ 1529.869912][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1529.869912][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1529.869912][   T72]      ___sys_sendmsg+0xee/0x170
[ 1529.869912][   T72]      __sys_sendmsg+0xcd/0x170
[ 1529.869912][   T72]      do_syscall_64+0xc6/0x1e0
[ 1529.869912][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1529.869912][   T72] 
[ 1529.871953][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1529.871953][   T72]      netdev_get_by_index+0x5e/0x80
[ 1529.871953][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1529.871953][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1529.871953][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1529.871953][   T72]      ipv6_add_addr+0x411/0x2000
[ 1529.871953][   T72]      inet6_addr_add+0x30e/0xa40
[ 1529.871953][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1529.871953][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1529.871953][   T72]      netlink_rcv_skb+0x130/0x360
[ 1529.871953][   T72]      netlink_unicast+0x449/0x710
[ 1529.871953][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1529.871953][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1529.871953][   T72]      ___sys_sendmsg+0xee/0x170
[ 1529.871953][   T72]      __sys_sendmsg+0xcd/0x170
[ 1529.871953][   T72]      do_syscall_64+0xc6/0x1e0
[ 1529.871953][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1529.871953][   T72] 
[ 1529.873991][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1529.873991][   T72]      netdev_get_by_index+0x5e/0x80
[ 1529.873991][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1529.873991][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1529.873991][   T72]      ip6_route_add+0x1c/0x140
[ 1529.873991][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1529.873991][   T72]      addrconf_add_dev+0xe2/0x170
[ 1529.873991][   T72]      inet6_addr_add+0x12f/0xa40
[ 1529.873991][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1529.873991][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1529.873991][   T72]      netlink_rcv_skb+0x130/0x360
[ 1529.873991][   T72]      netlink_unicast+0x449/0x710
[ 1529.873991][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1529.873991][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1529.873991][   T72]      ___sys_sendmsg+0xee/0x170
[ 1529.873991][   T72]      __sys_sendmsg+0xcd/0x170
[ 1529.873991][   T72]      do_syscall_64+0xc6/0x1e0
[ 1529.873991][   T72] 
[ 1529.875984][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1529.875984][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1529.875984][   T72]      ipv6_find_idev+0x102/0x170
[ 1529.875984][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1529.875984][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1529.875984][   T72]      netlink_rcv_skb+0x130/0x360
[ 1529.875984][   T72]      netlink_unicast+0x449/0x710
[ 1529.875984][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1529.875984][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1529.875984][   T72]      ___sys_sendmsg+0xee/0x170
[ 1529.875984][   T72]      __sys_sendmsg+0xcd/0x170
[ 1529.875984][   T72]      do_syscall_64+0xc6/0x1e0
[ 1529.875984][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1529.875984][   T72] 
[ 1529.877546][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1529.877546][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1529.877546][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1529.877546][   T72]      ipv6_find_idev+0x102/0x170
[ 1529.877546][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1529.877546][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1529.877546][   T72]      netlink_rcv_skb+0x130/0x360
[ 1529.877546][   T72]      netlink_unicast+0x449/0x710
[ 1529.877546][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1529.877546][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1529.877546][   T72]      ___sys_sendmsg+0xee/0x170
[ 1529.877546][   T72]      __sys_sendmsg+0xcd/0x170
[ 1529.877546][   T72]      do_syscall_64+0xc6/0x1e0
[ 1529.877546][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1529.877546][   T72] 
[ 1539.919822][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1539.920276][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1539.920276][   T72]      netdev_get_by_index+0x5e/0x80
[ 1539.920276][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1539.920276][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1539.920276][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1539.920276][   T72]      ipv6_add_addr+0x411/0x2000
[ 1539.920276][   T72]      inet6_addr_add+0x30e/0xa40
[ 1539.920276][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1539.920276][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1539.920276][   T72]      netlink_rcv_skb+0x130/0x360
[ 1539.920276][   T72]      netlink_unicast+0x449/0x710
[ 1539.920276][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1539.920276][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1539.920276][   T72]      ___sys_sendmsg+0xee/0x170
[ 1539.920276][   T72]      __sys_sendmsg+0xcd/0x170
[ 1539.920276][   T72]      do_syscall_64+0xc6/0x1e0
[ 1539.920276][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1539.920276][   T72] 
[ 1539.922322][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1539.922322][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1539.922322][   T72]      ipv6_find_idev+0x102/0x170
[ 1539.922322][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1539.922322][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1539.922322][   T72]      netlink_rcv_skb+0x130/0x360
[ 1539.922322][   T72]      netlink_unicast+0x449/0x710
[ 1539.922322][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1539.922322][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1539.922322][   T72]      ___sys_sendmsg+0xee/0x170
[ 1539.922322][   T72]      __sys_sendmsg+0xcd/0x170
[ 1539.922322][   T72]      do_syscall_64+0xc6/0x1e0
[ 1539.922322][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1539.922322][   T72] 
[ 1539.923909][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1539.923909][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1539.923909][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1539.923909][   T72]      ipv6_find_idev+0x102/0x170
[ 1539.923909][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1539.923909][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1539.923909][   T72]      netlink_rcv_skb+0x130/0x360
[ 1539.923909][   T72]      netlink_unicast+0x449/0x710
[ 1539.923909][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1539.923909][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1539.923909][   T72]      ___sys_sendmsg+0xee/0x170
[ 1539.923909][   T72]      __sys_sendmsg+0xcd/0x170
[ 1539.923909][   T72]      do_syscall_64+0xc6/0x1e0
[ 1539.923909][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1539.923909][   T72] 
[ 1539.925621][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1539.925883][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1539.925883][   T72]      netdev_get_by_index+0x5e/0x80
[ 1539.925883][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1539.925883][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1539.925883][   T72]      ip6_route_add+0x1c/0x140
[ 1539.925883][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1539.925883][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1539.925883][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1539.925883][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1539.925883][   T72]      netlink_rcv_skb+0x130/0x360
[ 1539.925883][   T72]      netlink_unicast+0x449/0x710
[ 1539.925883][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1539.925883][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1539.925883][   T72]      ___sys_sendmsg+0xee/0x170
[ 1539.925883][   T72]      __sys_sendmsg+0xcd/0x170
[ 1539.925883][   T72]      do_syscall_64+0xc6/0x1e0
[ 1539.925883][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1539.925883][   T72] 
[ 1539.927910][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1539.927910][   T72]      netdev_get_by_index+0x5e/0x80
[ 1539.927910][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1539.927910][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1539.927910][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1539.927910][   T72]      ipv6_add_addr+0x411/0x2000
[ 1539.927910][   T72]      inet6_addr_add+0x30e/0xa40
[ 1539.927910][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1539.927910][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1539.927910][   T72]      netlink_rcv_skb+0x130/0x360
[ 1539.927910][   T72]      netlink_unicast+0x449/0x710
[ 1539.927910][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1539.927910][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1539.927910][   T72]      ___sys_sendmsg+0xee/0x170
[ 1539.927910][   T72]      __sys_sendmsg+0xcd/0x170
[ 1539.927910][   T72]      do_syscall_64+0xc6/0x1e0
[ 1539.927910][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1539.927910][   T72] 
[ 1539.929922][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1539.929922][   T72]      netdev_get_by_index+0x5e/0x80
[ 1539.929922][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1539.929922][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1539.929922][   T72]      ip6_route_add+0x1c/0x140
[ 1539.929922][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1539.929922][   T72]      addrconf_add_dev+0xe2/0x170
[ 1539.929922][   T72]      inet6_addr_add+0x12f/0xa40
[ 1539.929922][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1539.929922][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1539.929922][   T72]      netlink_rcv_skb+0x130/0x360
[ 1539.929922][   T72]      netlink_unicast+0x449/0x710
[ 1539.929922][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1539.929922][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1539.929922][   T72]      ___sys_sendmsg+0xee/0x170
[ 1539.929922][   T72]      __sys_sendmsg+0xcd/0x170
[ 1539.929922][   T72]      do_syscall_64+0xc6/0x1e0
[ 1539.929922][   T72] 
[ 1539.931930][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1539.931930][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1539.931930][   T72]      ipv6_find_idev+0x102/0x170
[ 1539.931930][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1539.931930][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1539.931930][   T72]      netlink_rcv_skb+0x130/0x360
[ 1539.931930][   T72]      netlink_unicast+0x449/0x710
[ 1539.931930][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1539.931930][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1539.931930][   T72]      ___sys_sendmsg+0xee/0x170
[ 1539.931930][   T72]      __sys_sendmsg+0xcd/0x170
[ 1539.931930][   T72]      do_syscall_64+0xc6/0x1e0
[ 1539.931930][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1539.931930][   T72] 
[ 1539.933481][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1539.933481][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1539.933481][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1539.933481][   T72]      ipv6_find_idev+0x102/0x170
[ 1539.933481][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1539.933481][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1539.933481][   T72]      netlink_rcv_skb+0x130/0x360
[ 1539.933481][   T72]      netlink_unicast+0x449/0x710
[ 1539.933481][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1539.933481][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1539.933481][   T72]      ___sys_sendmsg+0xee/0x170
[ 1539.933481][   T72]      __sys_sendmsg+0xcd/0x170
[ 1539.933481][   T72]      do_syscall_64+0xc6/0x1e0
[ 1539.933481][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1539.933481][   T72] 
[ 1550.119808][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1550.120269][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1550.120269][   T72]      netdev_get_by_index+0x5e/0x80
[ 1550.120269][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1550.120269][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1550.120269][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1550.120269][   T72]      ipv6_add_addr+0x411/0x2000
[ 1550.120269][   T72]      inet6_addr_add+0x30e/0xa40
[ 1550.120269][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1550.120269][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.120269][   T72]      netlink_rcv_skb+0x130/0x360
[ 1550.120269][   T72]      netlink_unicast+0x449/0x710
[ 1550.120269][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1550.120269][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.120269][   T72]      ___sys_sendmsg+0xee/0x170
[ 1550.120269][   T72]      __sys_sendmsg+0xcd/0x170
[ 1550.120269][   T72]      do_syscall_64+0xc6/0x1e0
[ 1550.120269][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.120269][   T72] 
[ 1550.122331][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1550.122331][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1550.122331][   T72]      ipv6_find_idev+0x102/0x170
[ 1550.122331][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1550.122331][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.122331][   T72]      netlink_rcv_skb+0x130/0x360
[ 1550.122331][   T72]      netlink_unicast+0x449/0x710
[ 1550.122331][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1550.122331][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.122331][   T72]      ___sys_sendmsg+0xee/0x170
[ 1550.122331][   T72]      __sys_sendmsg+0xcd/0x170
[ 1550.122331][   T72]      do_syscall_64+0xc6/0x1e0
[ 1550.122331][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.122331][   T72] 
[ 1550.123900][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1550.123900][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1550.123900][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1550.123900][   T72]      ipv6_find_idev+0x102/0x170
[ 1550.123900][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1550.123900][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.123900][   T72]      netlink_rcv_skb+0x130/0x360
[ 1550.123900][   T72]      netlink_unicast+0x449/0x710
[ 1550.123900][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1550.123900][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.123900][   T72]      ___sys_sendmsg+0xee/0x170
[ 1550.123900][   T72]      __sys_sendmsg+0xcd/0x170
[ 1550.123900][   T72]      do_syscall_64+0xc6/0x1e0
[ 1550.123900][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.123900][   T72] 
[ 1550.125624][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1550.125886][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1550.125886][   T72]      netdev_get_by_index+0x5e/0x80
[ 1550.125886][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1550.125886][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1550.125886][   T72]      ip6_route_add+0x1c/0x140
[ 1550.125886][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1550.125886][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1550.125886][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1550.125886][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.125886][   T72]      netlink_rcv_skb+0x130/0x360
[ 1550.125886][   T72]      netlink_unicast+0x449/0x710
[ 1550.125886][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1550.125886][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.125886][   T72]      ___sys_sendmsg+0xee/0x170
[ 1550.125886][   T72]      __sys_sendmsg+0xcd/0x170
[ 1550.125886][   T72]      do_syscall_64+0xc6/0x1e0
[ 1550.125886][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.125886][   T72] 
[ 1550.127926][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1550.127926][   T72]      netdev_get_by_index+0x5e/0x80
[ 1550.127926][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1550.127926][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1550.127926][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1550.127926][   T72]      ipv6_add_addr+0x411/0x2000
[ 1550.127926][   T72]      inet6_addr_add+0x30e/0xa40
[ 1550.127926][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1550.127926][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.127926][   T72]      netlink_rcv_skb+0x130/0x360
[ 1550.127926][   T72]      netlink_unicast+0x449/0x710
[ 1550.127926][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1550.127926][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.127926][   T72]      ___sys_sendmsg+0xee/0x170
[ 1550.127926][   T72]      __sys_sendmsg+0xcd/0x170
[ 1550.127926][   T72]      do_syscall_64+0xc6/0x1e0
[ 1550.127926][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.127926][   T72] 
[ 1550.129957][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1550.129957][   T72]      netdev_get_by_index+0x5e/0x80
[ 1550.129957][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1550.129957][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1550.129957][   T72]      ip6_route_add+0x1c/0x140
[ 1550.129957][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1550.129957][   T72]      addrconf_add_dev+0xe2/0x170
[ 1550.129957][   T72]      inet6_addr_add+0x12f/0xa40
[ 1550.129957][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1550.129957][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.129957][   T72]      netlink_rcv_skb+0x130/0x360
[ 1550.129957][   T72]      netlink_unicast+0x449/0x710
[ 1550.129957][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1550.129957][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.129957][   T72]      ___sys_sendmsg+0xee/0x170
[ 1550.129957][   T72]      __sys_sendmsg+0xcd/0x170
[ 1550.129957][   T72]      do_syscall_64+0xc6/0x1e0
[ 1550.129957][   T72] 
[ 1550.131957][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1550.131957][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1550.131957][   T72]      ipv6_find_idev+0x102/0x170
[ 1550.131957][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1550.131957][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.131957][   T72]      netlink_rcv_skb+0x130/0x360
[ 1550.131957][   T72]      netlink_unicast+0x449/0x710
[ 1550.131957][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1550.131957][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.131957][   T72]      ___sys_sendmsg+0xee/0x170
[ 1550.131957][   T72]      __sys_sendmsg+0xcd/0x170
[ 1550.131957][   T72]      do_syscall_64+0xc6/0x1e0
[ 1550.131957][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.131957][   T72] 
[ 1550.133535][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1550.133535][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1550.133535][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1550.133535][   T72]      ipv6_find_idev+0x102/0x170
[ 1550.133535][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1550.133535][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1550.133535][   T72]      netlink_rcv_skb+0x130/0x360
[ 1550.133535][   T72]      netlink_unicast+0x449/0x710
[ 1550.133535][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1550.133535][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1550.133535][   T72]      ___sys_sendmsg+0xee/0x170
[ 1550.133535][   T72]      __sys_sendmsg+0xcd/0x170
[ 1550.133535][   T72]      do_syscall_64+0xc6/0x1e0
[ 1550.133535][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1550.133535][   T72] 
[ 1560.375884][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1560.376288][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1560.376288][   T72]      netdev_get_by_index+0x5e/0x80
[ 1560.376288][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1560.376288][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1560.376288][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1560.376288][   T72]      ipv6_add_addr+0x411/0x2000
[ 1560.376288][   T72]      inet6_addr_add+0x30e/0xa40
[ 1560.376288][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1560.376288][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1560.376288][   T72]      netlink_rcv_skb+0x130/0x360
[ 1560.376288][   T72]      netlink_unicast+0x449/0x710
[ 1560.376288][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1560.376288][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1560.376288][   T72]      ___sys_sendmsg+0xee/0x170
[ 1560.376288][   T72]      __sys_sendmsg+0xcd/0x170
[ 1560.376288][   T72]      do_syscall_64+0xc6/0x1e0
[ 1560.376288][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1560.376288][   T72] 
[ 1560.378350][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1560.378350][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1560.378350][   T72]      ipv6_find_idev+0x102/0x170
[ 1560.378350][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1560.378350][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1560.378350][   T72]      netlink_rcv_skb+0x130/0x360
[ 1560.378350][   T72]      netlink_unicast+0x449/0x710
[ 1560.378350][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1560.378350][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1560.378350][   T72]      ___sys_sendmsg+0xee/0x170
[ 1560.378350][   T72]      __sys_sendmsg+0xcd/0x170
[ 1560.378350][   T72]      do_syscall_64+0xc6/0x1e0
[ 1560.378350][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1560.378350][   T72] 
[ 1560.379914][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1560.379914][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1560.379914][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1560.379914][   T72]      ipv6_find_idev+0x102/0x170
[ 1560.379914][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1560.379914][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1560.379914][   T72]      netlink_rcv_skb+0x130/0x360
[ 1560.379914][   T72]      netlink_unicast+0x449/0x710
[ 1560.379914][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1560.379914][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1560.379914][   T72]      ___sys_sendmsg+0xee/0x170
[ 1560.379914][   T72]      __sys_sendmsg+0xcd/0x170
[ 1560.379914][   T72]      do_syscall_64+0xc6/0x1e0
[ 1560.379914][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1560.379914][   T72] 
[ 1560.381637][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1560.381899][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1560.381899][   T72]      netdev_get_by_index+0x5e/0x80
[ 1560.381899][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1560.381899][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1560.381899][   T72]      ip6_route_add+0x1c/0x140
[ 1560.381899][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1560.381899][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1560.381899][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1560.381899][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1560.381899][   T72]      netlink_rcv_skb+0x130/0x360
[ 1560.381899][   T72]      netlink_unicast+0x449/0x710
[ 1560.381899][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1560.381899][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1560.381899][   T72]      ___sys_sendmsg+0xee/0x170
[ 1560.381899][   T72]      __sys_sendmsg+0xcd/0x170
[ 1560.381899][   T72]      do_syscall_64+0xc6/0x1e0
[ 1560.381899][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1560.381899][   T72] 
[ 1560.383946][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1560.383946][   T72]      netdev_get_by_index+0x5e/0x80
[ 1560.383946][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1560.383946][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1560.383946][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1560.383946][   T72]      ipv6_add_addr+0x411/0x2000
[ 1560.383946][   T72]      inet6_addr_add+0x30e/0xa40
[ 1560.383946][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1560.383946][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1560.383946][   T72]      netlink_rcv_skb+0x130/0x360
[ 1560.383946][   T72]      netlink_unicast+0x449/0x710
[ 1560.383946][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1560.383946][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1560.383946][   T72]      ___sys_sendmsg+0xee/0x170
[ 1560.383946][   T72]      __sys_sendmsg+0xcd/0x170
[ 1560.383946][   T72]      do_syscall_64+0xc6/0x1e0
[ 1560.383946][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1560.383946][   T72] 
[ 1560.385976][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1560.385976][   T72]      netdev_get_by_index+0x5e/0x80
[ 1560.385976][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1560.385976][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1560.385976][   T72]      ip6_route_add+0x1c/0x140
[ 1560.385976][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1560.385976][   T72]      addrconf_add_dev+0xe2/0x170
[ 1560.385976][   T72]      inet6_addr_add+0x12f/0xa40
[ 1560.385976][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1560.385976][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1560.385976][   T72]      netlink_rcv_skb+0x130/0x360
[ 1560.385976][   T72]      netlink_unicast+0x449/0x710
[ 1560.385976][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1560.385976][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1560.385976][   T72]      ___sys_sendmsg+0xee/0x170
[ 1560.385976][   T72]      __sys_sendmsg+0xcd/0x170
[ 1560.385976][   T72]      do_syscall_64+0xc6/0x1e0
[ 1560.385976][   T72] 
[ 1560.387982][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1560.387982][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1560.387982][   T72]      ipv6_find_idev+0x102/0x170
[ 1560.387982][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1560.387982][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1560.387982][   T72]      netlink_rcv_skb+0x130/0x360
[ 1560.387982][   T72]      netlink_unicast+0x449/0x710
[ 1560.387982][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1560.387982][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1560.387982][   T72]      ___sys_sendmsg+0xee/0x170
[ 1560.387982][   T72]      __sys_sendmsg+0xcd/0x170
[ 1560.387982][   T72]      do_syscall_64+0xc6/0x1e0
[ 1560.387982][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1560.387982][   T72] 
[ 1560.389555][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1560.389555][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1560.389555][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1560.389555][   T72]      ipv6_find_idev+0x102/0x170
[ 1560.389555][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1560.389555][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1560.389555][   T72]      netlink_rcv_skb+0x130/0x360
[ 1560.389555][   T72]      netlink_unicast+0x449/0x710
[ 1560.389555][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1560.389555][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1560.389555][   T72]      ___sys_sendmsg+0xee/0x170
[ 1560.389555][   T72]      __sys_sendmsg+0xcd/0x170
[ 1560.389555][   T72]      do_syscall_64+0xc6/0x1e0
[ 1560.389555][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1560.389555][   T72] 
[ 1570.631888][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1570.632339][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1570.632339][   T72]      netdev_get_by_index+0x5e/0x80
[ 1570.632339][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1570.632339][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1570.632339][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1570.632339][   T72]      ipv6_add_addr+0x411/0x2000
[ 1570.632339][   T72]      inet6_addr_add+0x30e/0xa40
[ 1570.632339][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1570.632339][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1570.632339][   T72]      netlink_rcv_skb+0x130/0x360
[ 1570.632339][   T72]      netlink_unicast+0x449/0x710
[ 1570.632339][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1570.632339][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1570.632339][   T72]      ___sys_sendmsg+0xee/0x170
[ 1570.632339][   T72]      __sys_sendmsg+0xcd/0x170
[ 1570.632339][   T72]      do_syscall_64+0xc6/0x1e0
[ 1570.632339][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1570.632339][   T72] 
[ 1570.634409][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1570.634409][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1570.634409][   T72]      ipv6_find_idev+0x102/0x170
[ 1570.634409][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1570.634409][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1570.634409][   T72]      netlink_rcv_skb+0x130/0x360
[ 1570.634409][   T72]      netlink_unicast+0x449/0x710
[ 1570.634409][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1570.634409][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1570.634409][   T72]      ___sys_sendmsg+0xee/0x170
[ 1570.634409][   T72]      __sys_sendmsg+0xcd/0x170
[ 1570.634409][   T72]      do_syscall_64+0xc6/0x1e0
[ 1570.634409][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1570.634409][   T72] 
[ 1570.635970][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1570.635970][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1570.635970][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1570.635970][   T72]      ipv6_find_idev+0x102/0x170
[ 1570.635970][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1570.635970][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1570.635970][   T72]      netlink_rcv_skb+0x130/0x360
[ 1570.635970][   T72]      netlink_unicast+0x449/0x710
[ 1570.635970][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1570.635970][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1570.635970][   T72]      ___sys_sendmsg+0xee/0x170
[ 1570.635970][   T72]      __sys_sendmsg+0xcd/0x170
[ 1570.635970][   T72]      do_syscall_64+0xc6/0x1e0
[ 1570.635970][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1570.635970][   T72] 
[ 1570.637681][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1570.637939][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1570.637939][   T72]      netdev_get_by_index+0x5e/0x80
[ 1570.637939][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1570.637939][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1570.637939][   T72]      ip6_route_add+0x1c/0x140
[ 1570.637939][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1570.637939][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1570.637939][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1570.637939][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1570.637939][   T72]      netlink_rcv_skb+0x130/0x360
[ 1570.637939][   T72]      netlink_unicast+0x449/0x710
[ 1570.637939][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1570.637939][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1570.637939][   T72]      ___sys_sendmsg+0xee/0x170
[ 1570.637939][   T72]      __sys_sendmsg+0xcd/0x170
[ 1570.637939][   T72]      do_syscall_64+0xc6/0x1e0
[ 1570.637939][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1570.637939][   T72] 
[ 1570.639987][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1570.639987][   T72]      netdev_get_by_index+0x5e/0x80
[ 1570.639987][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1570.639987][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1570.639987][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1570.639987][   T72]      ipv6_add_addr+0x411/0x2000
[ 1570.639987][   T72]      inet6_addr_add+0x30e/0xa40
[ 1570.639987][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1570.639987][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1570.639987][   T72]      netlink_rcv_skb+0x130/0x360
[ 1570.639987][   T72]      netlink_unicast+0x449/0x710
[ 1570.639987][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1570.639987][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1570.639987][   T72]      ___sys_sendmsg+0xee/0x170
[ 1570.639987][   T72]      __sys_sendmsg+0xcd/0x170
[ 1570.639987][   T72]      do_syscall_64+0xc6/0x1e0
[ 1570.639987][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1570.639987][   T72] 
[ 1570.642007][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1570.642007][   T72]      netdev_get_by_index+0x5e/0x80
[ 1570.642007][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1570.642007][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1570.642007][   T72]      ip6_route_add+0x1c/0x140
[ 1570.642007][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1570.642007][   T72]      addrconf_add_dev+0xe2/0x170
[ 1570.642007][   T72]      inet6_addr_add+0x12f/0xa40
[ 1570.642007][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1570.642007][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1570.642007][   T72]      netlink_rcv_skb+0x130/0x360
[ 1570.642007][   T72]      netlink_unicast+0x449/0x710
[ 1570.642007][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1570.642007][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1570.642007][   T72]      ___sys_sendmsg+0xee/0x170
[ 1570.642007][   T72]      __sys_sendmsg+0xcd/0x170
[ 1570.642007][   T72]      do_syscall_64+0xc6/0x1e0
[ 1570.642007][   T72] 
[ 1570.644004][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1570.644004][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1570.644004][   T72]      ipv6_find_idev+0x102/0x170
[ 1570.644004][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1570.644004][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1570.644004][   T72]      netlink_rcv_skb+0x130/0x360
[ 1570.644004][   T72]      netlink_unicast+0x449/0x710
[ 1570.644004][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1570.644004][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1570.644004][   T72]      ___sys_sendmsg+0xee/0x170
[ 1570.644004][   T72]      __sys_sendmsg+0xcd/0x170
[ 1570.644004][   T72]      do_syscall_64+0xc6/0x1e0
[ 1570.644004][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1570.644004][   T72] 
[ 1570.645564][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1570.645564][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1570.645564][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1570.645564][   T72]      ipv6_find_idev+0x102/0x170
[ 1570.645564][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1570.645564][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1570.645564][   T72]      netlink_rcv_skb+0x130/0x360
[ 1570.645564][   T72]      netlink_unicast+0x449/0x710
[ 1570.645564][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1570.645564][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1570.645564][   T72]      ___sys_sendmsg+0xee/0x170
[ 1570.645564][   T72]      __sys_sendmsg+0xcd/0x170
[ 1570.645564][   T72]      do_syscall_64+0xc6/0x1e0
[ 1570.645564][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1570.645564][   T72] 
[ 1580.847884][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1580.848275][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1580.848275][   T72]      netdev_get_by_index+0x5e/0x80
[ 1580.848275][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1580.848275][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1580.848275][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1580.848275][   T72]      ipv6_add_addr+0x411/0x2000
[ 1580.848275][   T72]      inet6_addr_add+0x30e/0xa40
[ 1580.848275][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1580.848275][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1580.848275][   T72]      netlink_rcv_skb+0x130/0x360
[ 1580.848275][   T72]      netlink_unicast+0x449/0x710
[ 1580.848275][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1580.848275][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1580.848275][   T72]      ___sys_sendmsg+0xee/0x170
[ 1580.848275][   T72]      __sys_sendmsg+0xcd/0x170
[ 1580.848275][   T72]      do_syscall_64+0xc6/0x1e0
[ 1580.848275][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1580.848275][   T72] 
[ 1580.850342][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1580.850342][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1580.850342][   T72]      ipv6_find_idev+0x102/0x170
[ 1580.850342][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1580.850342][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1580.850342][   T72]      netlink_rcv_skb+0x130/0x360
[ 1580.850342][   T72]      netlink_unicast+0x449/0x710
[ 1580.850342][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1580.850342][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1580.850342][   T72]      ___sys_sendmsg+0xee/0x170
[ 1580.850342][   T72]      __sys_sendmsg+0xcd/0x170
[ 1580.850342][   T72]      do_syscall_64+0xc6/0x1e0
[ 1580.850342][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1580.850342][   T72] 
[ 1580.851911][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1580.851911][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1580.851911][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1580.851911][   T72]      ipv6_find_idev+0x102/0x170
[ 1580.851911][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1580.851911][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1580.851911][   T72]      netlink_rcv_skb+0x130/0x360
[ 1580.851911][   T72]      netlink_unicast+0x449/0x710
[ 1580.851911][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1580.851911][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1580.851911][   T72]      ___sys_sendmsg+0xee/0x170
[ 1580.851911][   T72]      __sys_sendmsg+0xcd/0x170
[ 1580.851911][   T72]      do_syscall_64+0xc6/0x1e0
[ 1580.851911][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1580.851911][   T72] 
[ 1580.853636][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1580.853915][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1580.853915][   T72]      netdev_get_by_index+0x5e/0x80
[ 1580.853915][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1580.853915][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1580.853915][   T72]      ip6_route_add+0x1c/0x140
[ 1580.853915][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1580.853915][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1580.853915][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1580.853915][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1580.853915][   T72]      netlink_rcv_skb+0x130/0x360
[ 1580.853915][   T72]      netlink_unicast+0x449/0x710
[ 1580.853915][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1580.853915][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1580.853915][   T72]      ___sys_sendmsg+0xee/0x170
[ 1580.853915][   T72]      __sys_sendmsg+0xcd/0x170
[ 1580.853915][   T72]      do_syscall_64+0xc6/0x1e0
[ 1580.853915][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1580.853915][   T72] 
[ 1580.855947][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1580.855947][   T72]      netdev_get_by_index+0x5e/0x80
[ 1580.855947][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1580.855947][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1580.855947][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1580.855947][   T72]      ipv6_add_addr+0x411/0x2000
[ 1580.855947][   T72]      inet6_addr_add+0x30e/0xa40
[ 1580.855947][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1580.855947][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1580.855947][   T72]      netlink_rcv_skb+0x130/0x360
[ 1580.855947][   T72]      netlink_unicast+0x449/0x710
[ 1580.855947][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1580.855947][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1580.855947][   T72]      ___sys_sendmsg+0xee/0x170
[ 1580.855947][   T72]      __sys_sendmsg+0xcd/0x170
[ 1580.855947][   T72]      do_syscall_64+0xc6/0x1e0
[ 1580.855947][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1580.855947][   T72] 
[ 1580.857991][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1580.857991][   T72]      netdev_get_by_index+0x5e/0x80
[ 1580.857991][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1580.857991][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1580.857991][   T72]      ip6_route_add+0x1c/0x140
[ 1580.857991][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1580.857991][   T72]      addrconf_add_dev+0xe2/0x170
[ 1580.857991][   T72]      inet6_addr_add+0x12f/0xa40
[ 1580.857991][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1580.857991][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1580.857991][   T72]      netlink_rcv_skb+0x130/0x360
[ 1580.857991][   T72]      netlink_unicast+0x449/0x710
[ 1580.857991][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1580.857991][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1580.857991][   T72]      ___sys_sendmsg+0xee/0x170
[ 1580.857991][   T72]      __sys_sendmsg+0xcd/0x170
[ 1580.857991][   T72]      do_syscall_64+0xc6/0x1e0
[ 1580.857991][   T72] 
[ 1580.859978][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1580.859978][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1580.859978][   T72]      ipv6_find_idev+0x102/0x170
[ 1580.859978][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1580.859978][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1580.859978][   T72]      netlink_rcv_skb+0x130/0x360
[ 1580.859978][   T72]      netlink_unicast+0x449/0x710
[ 1580.859978][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1580.859978][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1580.859978][   T72]      ___sys_sendmsg+0xee/0x170
[ 1580.859978][   T72]      __sys_sendmsg+0xcd/0x170
[ 1580.859978][   T72]      do_syscall_64+0xc6/0x1e0
[ 1580.859978][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1580.859978][   T72] 
[ 1580.862076][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1580.862076][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1580.862076][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1580.862076][   T72]      ipv6_find_idev+0x102/0x170
[ 1580.862076][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1580.862076][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1580.862076][   T72]      netlink_rcv_skb+0x130/0x360
[ 1580.862076][   T72]      netlink_unicast+0x449/0x710
[ 1580.862076][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1580.862076][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1580.862076][   T72]      ___sys_sendmsg+0xee/0x170
[ 1580.862076][   T72]      __sys_sendmsg+0xcd/0x170
[ 1580.862076][   T72]      do_syscall_64+0xc6/0x1e0
[ 1580.862076][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1580.862076][   T72] 
[ 1591.119937][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1591.120332][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1591.120332][   T72]      netdev_get_by_index+0x5e/0x80
[ 1591.120332][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1591.120332][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1591.120332][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1591.120332][   T72]      ipv6_add_addr+0x411/0x2000
[ 1591.120332][   T72]      inet6_addr_add+0x30e/0xa40
[ 1591.120332][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1591.120332][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.120332][   T72]      netlink_rcv_skb+0x130/0x360
[ 1591.120332][   T72]      netlink_unicast+0x449/0x710
[ 1591.120332][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1591.120332][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.120332][   T72]      ___sys_sendmsg+0xee/0x170
[ 1591.120332][   T72]      __sys_sendmsg+0xcd/0x170
[ 1591.120332][   T72]      do_syscall_64+0xc6/0x1e0
[ 1591.120332][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.120332][   T72] 
[ 1591.122385][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1591.122385][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1591.122385][   T72]      ipv6_find_idev+0x102/0x170
[ 1591.122385][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1591.122385][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.122385][   T72]      netlink_rcv_skb+0x130/0x360
[ 1591.122385][   T72]      netlink_unicast+0x449/0x710
[ 1591.122385][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1591.122385][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.122385][   T72]      ___sys_sendmsg+0xee/0x170
[ 1591.122385][   T72]      __sys_sendmsg+0xcd/0x170
[ 1591.122385][   T72]      do_syscall_64+0xc6/0x1e0
[ 1591.122385][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.122385][   T72] 
[ 1591.123956][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1591.123956][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1591.123956][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1591.123956][   T72]      ipv6_find_idev+0x102/0x170
[ 1591.123956][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1591.123956][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.123956][   T72]      netlink_rcv_skb+0x130/0x360
[ 1591.123956][   T72]      netlink_unicast+0x449/0x710
[ 1591.123956][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1591.123956][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.123956][   T72]      ___sys_sendmsg+0xee/0x170
[ 1591.123956][   T72]      __sys_sendmsg+0xcd/0x170
[ 1591.123956][   T72]      do_syscall_64+0xc6/0x1e0
[ 1591.123956][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.123956][   T72] 
[ 1591.125669][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1591.125933][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1591.125933][   T72]      netdev_get_by_index+0x5e/0x80
[ 1591.125933][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1591.125933][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1591.125933][   T72]      ip6_route_add+0x1c/0x140
[ 1591.125933][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1591.125933][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1591.125933][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1591.125933][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.125933][   T72]      netlink_rcv_skb+0x130/0x360
[ 1591.125933][   T72]      netlink_unicast+0x449/0x710
[ 1591.125933][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1591.125933][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.125933][   T72]      ___sys_sendmsg+0xee/0x170
[ 1591.125933][   T72]      __sys_sendmsg+0xcd/0x170
[ 1591.125933][   T72]      do_syscall_64+0xc6/0x1e0
[ 1591.125933][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.125933][   T72] 
[ 1591.127953][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1591.127953][   T72]      netdev_get_by_index+0x5e/0x80
[ 1591.127953][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1591.127953][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1591.127953][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1591.127953][   T72]      ipv6_add_addr+0x411/0x2000
[ 1591.127953][   T72]      inet6_addr_add+0x30e/0xa40
[ 1591.127953][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1591.127953][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.127953][   T72]      netlink_rcv_skb+0x130/0x360
[ 1591.127953][   T72]      netlink_unicast+0x449/0x710
[ 1591.127953][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1591.127953][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.127953][   T72]      ___sys_sendmsg+0xee/0x170
[ 1591.127953][   T72]      __sys_sendmsg+0xcd/0x170
[ 1591.127953][   T72]      do_syscall_64+0xc6/0x1e0
[ 1591.127953][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.127953][   T72] 
[ 1591.129974][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1591.129974][   T72]      netdev_get_by_index+0x5e/0x80
[ 1591.129974][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1591.129974][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1591.129974][   T72]      ip6_route_add+0x1c/0x140
[ 1591.129974][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1591.129974][   T72]      addrconf_add_dev+0xe2/0x170
[ 1591.129974][   T72]      inet6_addr_add+0x12f/0xa40
[ 1591.129974][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1591.129974][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.129974][   T72]      netlink_rcv_skb+0x130/0x360
[ 1591.129974][   T72]      netlink_unicast+0x449/0x710
[ 1591.129974][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1591.129974][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.129974][   T72]      ___sys_sendmsg+0xee/0x170
[ 1591.129974][   T72]      __sys_sendmsg+0xcd/0x170
[ 1591.129974][   T72]      do_syscall_64+0xc6/0x1e0
[ 1591.129974][   T72] 
[ 1591.131976][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1591.131976][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1591.131976][   T72]      ipv6_find_idev+0x102/0x170
[ 1591.131976][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1591.131976][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.131976][   T72]      netlink_rcv_skb+0x130/0x360
[ 1591.131976][   T72]      netlink_unicast+0x449/0x710
[ 1591.131976][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1591.131976][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.131976][   T72]      ___sys_sendmsg+0xee/0x170
[ 1591.131976][   T72]      __sys_sendmsg+0xcd/0x170
[ 1591.131976][   T72]      do_syscall_64+0xc6/0x1e0
[ 1591.131976][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.131976][   T72] 
[ 1591.133543][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1591.133543][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1591.133543][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1591.133543][   T72]      ipv6_find_idev+0x102/0x170
[ 1591.133543][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1591.133543][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1591.133543][   T72]      netlink_rcv_skb+0x130/0x360
[ 1591.133543][   T72]      netlink_unicast+0x449/0x710
[ 1591.133543][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1591.133543][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1591.133543][   T72]      ___sys_sendmsg+0xee/0x170
[ 1591.133543][   T72]      __sys_sendmsg+0xcd/0x170
[ 1591.133543][   T72]      do_syscall_64+0xc6/0x1e0
[ 1591.133543][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1591.133543][   T72] 
[ 1601.135806][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1601.136225][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1601.136225][   T72]      netdev_get_by_index+0x5e/0x80
[ 1601.136225][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1601.136225][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1601.136225][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1601.136225][   T72]      ipv6_add_addr+0x411/0x2000
[ 1601.136225][   T72]      inet6_addr_add+0x30e/0xa40
[ 1601.136225][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1601.136225][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1601.136225][   T72]      netlink_rcv_skb+0x130/0x360
[ 1601.136225][   T72]      netlink_unicast+0x449/0x710
[ 1601.136225][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1601.136225][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1601.136225][   T72]      ___sys_sendmsg+0xee/0x170
[ 1601.136225][   T72]      __sys_sendmsg+0xcd/0x170
[ 1601.136225][   T72]      do_syscall_64+0xc6/0x1e0
[ 1601.136225][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1601.136225][   T72] 
[ 1601.138304][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1601.138304][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1601.138304][   T72]      ipv6_find_idev+0x102/0x170
[ 1601.138304][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1601.138304][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1601.138304][   T72]      netlink_rcv_skb+0x130/0x360
[ 1601.138304][   T72]      netlink_unicast+0x449/0x710
[ 1601.138304][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1601.138304][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1601.138304][   T72]      ___sys_sendmsg+0xee/0x170
[ 1601.138304][   T72]      __sys_sendmsg+0xcd/0x170
[ 1601.138304][   T72]      do_syscall_64+0xc6/0x1e0
[ 1601.138304][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1601.138304][   T72] 
[ 1601.139881][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1601.139881][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1601.139881][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1601.139881][   T72]      ipv6_find_idev+0x102/0x170
[ 1601.139881][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1601.139881][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1601.139881][   T72]      netlink_rcv_skb+0x130/0x360
[ 1601.139881][   T72]      netlink_unicast+0x449/0x710
[ 1601.139881][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1601.139881][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1601.139881][   T72]      ___sys_sendmsg+0xee/0x170
[ 1601.139881][   T72]      __sys_sendmsg+0xcd/0x170
[ 1601.139881][   T72]      do_syscall_64+0xc6/0x1e0
[ 1601.139881][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1601.139881][   T72] 
[ 1601.141613][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1601.141870][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1601.141870][   T72]      netdev_get_by_index+0x5e/0x80
[ 1601.141870][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1601.141870][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1601.141870][   T72]      ip6_route_add+0x1c/0x140
[ 1601.141870][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1601.141870][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1601.141870][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1601.141870][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1601.141870][   T72]      netlink_rcv_skb+0x130/0x360
[ 1601.141870][   T72]      netlink_unicast+0x449/0x710
[ 1601.141870][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1601.141870][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1601.141870][   T72]      ___sys_sendmsg+0xee/0x170
[ 1601.141870][   T72]      __sys_sendmsg+0xcd/0x170
[ 1601.141870][   T72]      do_syscall_64+0xc6/0x1e0
[ 1601.141870][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1601.141870][   T72] 
[ 1601.143947][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1601.143947][   T72]      netdev_get_by_index+0x5e/0x80
[ 1601.143947][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1601.143947][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1601.143947][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1601.143947][   T72]      ipv6_add_addr+0x411/0x2000
[ 1601.143947][   T72]      inet6_addr_add+0x30e/0xa40
[ 1601.143947][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1601.143947][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1601.143947][   T72]      netlink_rcv_skb+0x130/0x360
[ 1601.143947][   T72]      netlink_unicast+0x449/0x710
[ 1601.143947][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1601.143947][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1601.143947][   T72]      ___sys_sendmsg+0xee/0x170
[ 1601.143947][   T72]      __sys_sendmsg+0xcd/0x170
[ 1601.143947][   T72]      do_syscall_64+0xc6/0x1e0
[ 1601.143947][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1601.143947][   T72] 
[ 1601.145999][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1601.145999][   T72]      netdev_get_by_index+0x5e/0x80
[ 1601.145999][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1601.145999][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1601.145999][   T72]      ip6_route_add+0x1c/0x140
[ 1601.145999][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1601.145999][   T72]      addrconf_add_dev+0xe2/0x170
[ 1601.145999][   T72]      inet6_addr_add+0x12f/0xa40
[ 1601.145999][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1601.145999][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1601.145999][   T72]      netlink_rcv_skb+0x130/0x360
[ 1601.145999][   T72]      netlink_unicast+0x449/0x710
[ 1601.145999][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1601.145999][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1601.145999][   T72]      ___sys_sendmsg+0xee/0x170
[ 1601.145999][   T72]      __sys_sendmsg+0xcd/0x170
[ 1601.145999][   T72]      do_syscall_64+0xc6/0x1e0
[ 1601.145999][   T72] 
[ 1601.148023][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1601.148023][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1601.148023][   T72]      ipv6_find_idev+0x102/0x170
[ 1601.148023][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1601.148023][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1601.148023][   T72]      netlink_rcv_skb+0x130/0x360
[ 1601.148023][   T72]      netlink_unicast+0x449/0x710
[ 1601.148023][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1601.148023][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1601.148023][   T72]      ___sys_sendmsg+0xee/0x170
[ 1601.148023][   T72]      __sys_sendmsg+0xcd/0x170
[ 1601.148023][   T72]      do_syscall_64+0xc6/0x1e0
[ 1601.148023][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1601.148023][   T72] 
[ 1601.149599][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1601.149599][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1601.149599][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1601.149599][   T72]      ipv6_find_idev+0x102/0x170
[ 1601.149599][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1601.149599][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1601.149599][   T72]      netlink_rcv_skb+0x130/0x360
[ 1601.149599][   T72]      netlink_unicast+0x449/0x710
[ 1601.149599][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1601.149599][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1601.149599][   T72]      ___sys_sendmsg+0xee/0x170
[ 1601.149599][   T72]      __sys_sendmsg+0xcd/0x170
[ 1601.149599][   T72]      do_syscall_64+0xc6/0x1e0
[ 1601.149599][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1601.149599][   T72] 
[ 1611.391804][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1611.392232][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1611.392232][   T72]      netdev_get_by_index+0x5e/0x80
[ 1611.392232][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1611.392232][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1611.392232][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1611.392232][   T72]      ipv6_add_addr+0x411/0x2000
[ 1611.392232][   T72]      inet6_addr_add+0x30e/0xa40
[ 1611.392232][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1611.392232][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1611.392232][   T72]      netlink_rcv_skb+0x130/0x360
[ 1611.392232][   T72]      netlink_unicast+0x449/0x710
[ 1611.392232][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1611.392232][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1611.392232][   T72]      ___sys_sendmsg+0xee/0x170
[ 1611.392232][   T72]      __sys_sendmsg+0xcd/0x170
[ 1611.392232][   T72]      do_syscall_64+0xc6/0x1e0
[ 1611.392232][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1611.392232][   T72] 
[ 1611.394328][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1611.394328][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1611.394328][   T72]      ipv6_find_idev+0x102/0x170
[ 1611.394328][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1611.394328][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1611.394328][   T72]      netlink_rcv_skb+0x130/0x360
[ 1611.394328][   T72]      netlink_unicast+0x449/0x710
[ 1611.394328][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1611.394328][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1611.394328][   T72]      ___sys_sendmsg+0xee/0x170
[ 1611.394328][   T72]      __sys_sendmsg+0xcd/0x170
[ 1611.394328][   T72]      do_syscall_64+0xc6/0x1e0
[ 1611.394328][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1611.394328][   T72] 
[ 1611.395902][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1611.395902][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1611.395902][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1611.395902][   T72]      ipv6_find_idev+0x102/0x170
[ 1611.395902][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1611.395902][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1611.395902][   T72]      netlink_rcv_skb+0x130/0x360
[ 1611.395902][   T72]      netlink_unicast+0x449/0x710
[ 1611.395902][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1611.395902][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1611.395902][   T72]      ___sys_sendmsg+0xee/0x170
[ 1611.395902][   T72]      __sys_sendmsg+0xcd/0x170
[ 1611.395902][   T72]      do_syscall_64+0xc6/0x1e0
[ 1611.395902][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1611.395902][   T72] 
[ 1611.397631][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1611.397898][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1611.397898][   T72]      netdev_get_by_index+0x5e/0x80
[ 1611.397898][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1611.397898][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1611.397898][   T72]      ip6_route_add+0x1c/0x140
[ 1611.397898][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1611.397898][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1611.397898][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1611.397898][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1611.397898][   T72]      netlink_rcv_skb+0x130/0x360
[ 1611.397898][   T72]      netlink_unicast+0x449/0x710
[ 1611.397898][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1611.397898][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1611.397898][   T72]      ___sys_sendmsg+0xee/0x170
[ 1611.397898][   T72]      __sys_sendmsg+0xcd/0x170
[ 1611.397898][   T72]      do_syscall_64+0xc6/0x1e0
[ 1611.397898][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1611.397898][   T72] 
[ 1611.399943][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1611.399943][   T72]      netdev_get_by_index+0x5e/0x80
[ 1611.399943][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1611.399943][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1611.399943][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1611.399943][   T72]      ipv6_add_addr+0x411/0x2000
[ 1611.399943][   T72]      inet6_addr_add+0x30e/0xa40
[ 1611.399943][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1611.399943][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1611.399943][   T72]      netlink_rcv_skb+0x130/0x360
[ 1611.399943][   T72]      netlink_unicast+0x449/0x710
[ 1611.399943][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1611.399943][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1611.399943][   T72]      ___sys_sendmsg+0xee/0x170
[ 1611.399943][   T72]      __sys_sendmsg+0xcd/0x170
[ 1611.399943][   T72]      do_syscall_64+0xc6/0x1e0
[ 1611.399943][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1611.399943][   T72] 
[ 1611.401987][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1611.401987][   T72]      netdev_get_by_index+0x5e/0x80
[ 1611.401987][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1611.401987][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1611.401987][   T72]      ip6_route_add+0x1c/0x140
[ 1611.401987][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1611.401987][   T72]      addrconf_add_dev+0xe2/0x170
[ 1611.401987][   T72]      inet6_addr_add+0x12f/0xa40
[ 1611.401987][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1611.401987][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1611.401987][   T72]      netlink_rcv_skb+0x130/0x360
[ 1611.401987][   T72]      netlink_unicast+0x449/0x710
[ 1611.401987][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1611.401987][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1611.401987][   T72]      ___sys_sendmsg+0xee/0x170
[ 1611.401987][   T72]      __sys_sendmsg+0xcd/0x170
[ 1611.401987][   T72]      do_syscall_64+0xc6/0x1e0
[ 1611.401987][   T72] 
[ 1611.404006][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1611.404006][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1611.404006][   T72]      ipv6_find_idev+0x102/0x170
[ 1611.404006][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1611.404006][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1611.404006][   T72]      netlink_rcv_skb+0x130/0x360
[ 1611.404006][   T72]      netlink_unicast+0x449/0x710
[ 1611.404006][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1611.404006][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1611.404006][   T72]      ___sys_sendmsg+0xee/0x170
[ 1611.404006][   T72]      __sys_sendmsg+0xcd/0x170
[ 1611.404006][   T72]      do_syscall_64+0xc6/0x1e0
[ 1611.404006][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1611.404006][   T72] 
[ 1611.405577][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1611.405577][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1611.405577][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1611.405577][   T72]      ipv6_find_idev+0x102/0x170
[ 1611.405577][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1611.405577][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1611.405577][   T72]      netlink_rcv_skb+0x130/0x360
[ 1611.405577][   T72]      netlink_unicast+0x449/0x710
[ 1611.405577][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1611.405577][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1611.405577][   T72]      ___sys_sendmsg+0xee/0x170
[ 1611.405577][   T72]      __sys_sendmsg+0xcd/0x170
[ 1611.405577][   T72]      do_syscall_64+0xc6/0x1e0
[ 1611.405577][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1611.405577][   T72] 
[ 1621.647880][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1621.648334][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1621.648334][   T72]      netdev_get_by_index+0x5e/0x80
[ 1621.648334][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1621.648334][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1621.648334][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1621.648334][   T72]      ipv6_add_addr+0x411/0x2000
[ 1621.648334][   T72]      inet6_addr_add+0x30e/0xa40
[ 1621.648334][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1621.648334][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1621.648334][   T72]      netlink_rcv_skb+0x130/0x360
[ 1621.648334][   T72]      netlink_unicast+0x449/0x710
[ 1621.648334][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1621.648334][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1621.648334][   T72]      ___sys_sendmsg+0xee/0x170
[ 1621.648334][   T72]      __sys_sendmsg+0xcd/0x170
[ 1621.648334][   T72]      do_syscall_64+0xc6/0x1e0
[ 1621.648334][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1621.648334][   T72] 
[ 1621.650373][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1621.650373][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1621.650373][   T72]      ipv6_find_idev+0x102/0x170
[ 1621.650373][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1621.650373][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1621.650373][   T72]      netlink_rcv_skb+0x130/0x360
[ 1621.650373][   T72]      netlink_unicast+0x449/0x710
[ 1621.650373][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1621.650373][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1621.650373][   T72]      ___sys_sendmsg+0xee/0x170
[ 1621.650373][   T72]      __sys_sendmsg+0xcd/0x170
[ 1621.650373][   T72]      do_syscall_64+0xc6/0x1e0
[ 1621.650373][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1621.650373][   T72] 
[ 1621.651943][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1621.651943][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1621.651943][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1621.651943][   T72]      ipv6_find_idev+0x102/0x170
[ 1621.651943][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1621.651943][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1621.651943][   T72]      netlink_rcv_skb+0x130/0x360
[ 1621.651943][   T72]      netlink_unicast+0x449/0x710
[ 1621.651943][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1621.651943][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1621.651943][   T72]      ___sys_sendmsg+0xee/0x170
[ 1621.651943][   T72]      __sys_sendmsg+0xcd/0x170
[ 1621.651943][   T72]      do_syscall_64+0xc6/0x1e0
[ 1621.651943][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1621.651943][   T72] 
[ 1621.653662][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1621.653921][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1621.653921][   T72]      netdev_get_by_index+0x5e/0x80
[ 1621.653921][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1621.653921][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1621.653921][   T72]      ip6_route_add+0x1c/0x140
[ 1621.653921][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1621.653921][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1621.653921][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1621.653921][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1621.653921][   T72]      netlink_rcv_skb+0x130/0x360
[ 1621.653921][   T72]      netlink_unicast+0x449/0x710
[ 1621.653921][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1621.653921][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1621.653921][   T72]      ___sys_sendmsg+0xee/0x170
[ 1621.653921][   T72]      __sys_sendmsg+0xcd/0x170
[ 1621.653921][   T72]      do_syscall_64+0xc6/0x1e0
[ 1621.653921][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1621.653921][   T72] 
[ 1621.655940][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1621.655940][   T72]      netdev_get_by_index+0x5e/0x80
[ 1621.655940][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1621.655940][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1621.655940][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1621.655940][   T72]      ipv6_add_addr+0x411/0x2000
[ 1621.655940][   T72]      inet6_addr_add+0x30e/0xa40
[ 1621.655940][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1621.655940][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1621.655940][   T72]      netlink_rcv_skb+0x130/0x360
[ 1621.655940][   T72]      netlink_unicast+0x449/0x710
[ 1621.655940][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1621.655940][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1621.655940][   T72]      ___sys_sendmsg+0xee/0x170
[ 1621.655940][   T72]      __sys_sendmsg+0xcd/0x170
[ 1621.655940][   T72]      do_syscall_64+0xc6/0x1e0
[ 1621.655940][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1621.655940][   T72] 
[ 1621.657959][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1621.657959][   T72]      netdev_get_by_index+0x5e/0x80
[ 1621.657959][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1621.657959][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1621.657959][   T72]      ip6_route_add+0x1c/0x140
[ 1621.657959][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1621.657959][   T72]      addrconf_add_dev+0xe2/0x170
[ 1621.657959][   T72]      inet6_addr_add+0x12f/0xa40
[ 1621.657959][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1621.657959][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1621.657959][   T72]      netlink_rcv_skb+0x130/0x360
[ 1621.657959][   T72]      netlink_unicast+0x449/0x710
[ 1621.657959][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1621.657959][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1621.657959][   T72]      ___sys_sendmsg+0xee/0x170
[ 1621.657959][   T72]      __sys_sendmsg+0xcd/0x170
[ 1621.657959][   T72]      do_syscall_64+0xc6/0x1e0
[ 1621.657959][   T72] 
[ 1621.659940][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1621.659940][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1621.659940][   T72]      ipv6_find_idev+0x102/0x170
[ 1621.659940][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1621.659940][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1621.659940][   T72]      netlink_rcv_skb+0x130/0x360
[ 1621.659940][   T72]      netlink_unicast+0x449/0x710
[ 1621.659940][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1621.659940][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1621.659940][   T72]      ___sys_sendmsg+0xee/0x170
[ 1621.659940][   T72]      __sys_sendmsg+0xcd/0x170
[ 1621.659940][   T72]      do_syscall_64+0xc6/0x1e0
[ 1621.659940][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1621.659940][   T72] 
[ 1621.661492][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1621.661492][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1621.661492][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1621.661492][   T72]      ipv6_find_idev+0x102/0x170
[ 1621.661492][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1621.661492][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1621.661492][   T72]      netlink_rcv_skb+0x130/0x360
[ 1621.661492][   T72]      netlink_unicast+0x449/0x710
[ 1621.661492][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1621.661492][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1621.661492][   T72]      ___sys_sendmsg+0xee/0x170
[ 1621.661492][   T72]      __sys_sendmsg+0xcd/0x170
[ 1621.661492][   T72]      do_syscall_64+0xc6/0x1e0
[ 1621.661492][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1621.661492][   T72] 
[ 1631.903859][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1631.904327][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1631.904327][   T72]      netdev_get_by_index+0x5e/0x80
[ 1631.904327][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1631.904327][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1631.904327][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1631.904327][   T72]      ipv6_add_addr+0x411/0x2000
[ 1631.904327][   T72]      inet6_addr_add+0x30e/0xa40
[ 1631.904327][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1631.904327][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1631.904327][   T72]      netlink_rcv_skb+0x130/0x360
[ 1631.904327][   T72]      netlink_unicast+0x449/0x710
[ 1631.904327][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1631.904327][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1631.904327][   T72]      ___sys_sendmsg+0xee/0x170
[ 1631.904327][   T72]      __sys_sendmsg+0xcd/0x170
[ 1631.904327][   T72]      do_syscall_64+0xc6/0x1e0
[ 1631.904327][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1631.904327][   T72] 
[ 1631.906398][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1631.906398][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1631.906398][   T72]      ipv6_find_idev+0x102/0x170
[ 1631.906398][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1631.906398][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1631.906398][   T72]      netlink_rcv_skb+0x130/0x360
[ 1631.906398][   T72]      netlink_unicast+0x449/0x710
[ 1631.906398][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1631.906398][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1631.906398][   T72]      ___sys_sendmsg+0xee/0x170
[ 1631.906398][   T72]      __sys_sendmsg+0xcd/0x170
[ 1631.906398][   T72]      do_syscall_64+0xc6/0x1e0
[ 1631.906398][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1631.906398][   T72] 
[ 1631.907956][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1631.907956][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1631.907956][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1631.907956][   T72]      ipv6_find_idev+0x102/0x170
[ 1631.907956][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1631.907956][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1631.907956][   T72]      netlink_rcv_skb+0x130/0x360
[ 1631.907956][   T72]      netlink_unicast+0x449/0x710
[ 1631.907956][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1631.907956][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1631.907956][   T72]      ___sys_sendmsg+0xee/0x170
[ 1631.907956][   T72]      __sys_sendmsg+0xcd/0x170
[ 1631.907956][   T72]      do_syscall_64+0xc6/0x1e0
[ 1631.907956][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1631.907956][   T72] 
[ 1631.909675][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1631.909946][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1631.909946][   T72]      netdev_get_by_index+0x5e/0x80
[ 1631.909946][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1631.909946][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1631.909946][   T72]      ip6_route_add+0x1c/0x140
[ 1631.909946][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1631.909946][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1631.909946][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1631.909946][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1631.909946][   T72]      netlink_rcv_skb+0x130/0x360
[ 1631.909946][   T72]      netlink_unicast+0x449/0x710
[ 1631.909946][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1631.909946][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1631.909946][   T72]      ___sys_sendmsg+0xee/0x170
[ 1631.909946][   T72]      __sys_sendmsg+0xcd/0x170
[ 1631.909946][   T72]      do_syscall_64+0xc6/0x1e0
[ 1631.909946][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1631.909946][   T72] 
[ 1631.911986][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1631.911986][   T72]      netdev_get_by_index+0x5e/0x80
[ 1631.911986][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1631.911986][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1631.911986][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1631.911986][   T72]      ipv6_add_addr+0x411/0x2000
[ 1631.911986][   T72]      inet6_addr_add+0x30e/0xa40
[ 1631.911986][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1631.911986][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1631.911986][   T72]      netlink_rcv_skb+0x130/0x360
[ 1631.911986][   T72]      netlink_unicast+0x449/0x710
[ 1631.911986][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1631.911986][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1631.911986][   T72]      ___sys_sendmsg+0xee/0x170
[ 1631.911986][   T72]      __sys_sendmsg+0xcd/0x170
[ 1631.911986][   T72]      do_syscall_64+0xc6/0x1e0
[ 1631.911986][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1631.911986][   T72] 
[ 1631.914011][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1631.914011][   T72]      netdev_get_by_index+0x5e/0x80
[ 1631.914011][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1631.914011][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1631.914011][   T72]      ip6_route_add+0x1c/0x140
[ 1631.914011][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1631.914011][   T72]      addrconf_add_dev+0xe2/0x170
[ 1631.914011][   T72]      inet6_addr_add+0x12f/0xa40
[ 1631.914011][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1631.914011][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1631.914011][   T72]      netlink_rcv_skb+0x130/0x360
[ 1631.914011][   T72]      netlink_unicast+0x449/0x710
[ 1631.914011][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1631.914011][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1631.914011][   T72]      ___sys_sendmsg+0xee/0x170
[ 1631.914011][   T72]      __sys_sendmsg+0xcd/0x170
[ 1631.914011][   T72]      do_syscall_64+0xc6/0x1e0
[ 1631.914011][   T72] 
[ 1631.915992][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1631.915992][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1631.915992][   T72]      ipv6_find_idev+0x102/0x170
[ 1631.915992][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1631.915992][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1631.915992][   T72]      netlink_rcv_skb+0x130/0x360
[ 1631.915992][   T72]      netlink_unicast+0x449/0x710
[ 1631.915992][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1631.915992][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1631.915992][   T72]      ___sys_sendmsg+0xee/0x170
[ 1631.915992][   T72]      __sys_sendmsg+0xcd/0x170
[ 1631.915992][   T72]      do_syscall_64+0xc6/0x1e0
[ 1631.915992][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1631.915992][   T72] 
[ 1631.917558][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1631.917558][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1631.917558][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1631.917558][   T72]      ipv6_find_idev+0x102/0x170
[ 1631.917558][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1631.917558][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1631.917558][   T72]      netlink_rcv_skb+0x130/0x360
[ 1631.917558][   T72]      netlink_unicast+0x449/0x710
[ 1631.917558][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1631.917558][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1631.917558][   T72]      ___sys_sendmsg+0xee/0x170
[ 1631.917558][   T72]      __sys_sendmsg+0xcd/0x170
[ 1631.917558][   T72]      do_syscall_64+0xc6/0x1e0
[ 1631.917558][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1631.917558][   T72] 
[ 1642.159918][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1642.160319][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1642.160319][   T72]      netdev_get_by_index+0x5e/0x80
[ 1642.160319][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1642.160319][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1642.160319][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1642.160319][   T72]      ipv6_add_addr+0x411/0x2000
[ 1642.160319][   T72]      inet6_addr_add+0x30e/0xa40
[ 1642.160319][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1642.160319][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1642.160319][   T72]      netlink_rcv_skb+0x130/0x360
[ 1642.160319][   T72]      netlink_unicast+0x449/0x710
[ 1642.160319][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1642.160319][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1642.160319][   T72]      ___sys_sendmsg+0xee/0x170
[ 1642.160319][   T72]      __sys_sendmsg+0xcd/0x170
[ 1642.160319][   T72]      do_syscall_64+0xc6/0x1e0
[ 1642.160319][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1642.160319][   T72] 
[ 1642.162371][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1642.162371][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1642.162371][   T72]      ipv6_find_idev+0x102/0x170
[ 1642.162371][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1642.162371][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1642.162371][   T72]      netlink_rcv_skb+0x130/0x360
[ 1642.162371][   T72]      netlink_unicast+0x449/0x710
[ 1642.162371][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1642.162371][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1642.162371][   T72]      ___sys_sendmsg+0xee/0x170
[ 1642.162371][   T72]      __sys_sendmsg+0xcd/0x170
[ 1642.162371][   T72]      do_syscall_64+0xc6/0x1e0
[ 1642.162371][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1642.162371][   T72] 
[ 1642.163950][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1642.163950][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1642.163950][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1642.163950][   T72]      ipv6_find_idev+0x102/0x170
[ 1642.163950][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1642.163950][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1642.163950][   T72]      netlink_rcv_skb+0x130/0x360
[ 1642.163950][   T72]      netlink_unicast+0x449/0x710
[ 1642.163950][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1642.163950][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1642.163950][   T72]      ___sys_sendmsg+0xee/0x170
[ 1642.163950][   T72]      __sys_sendmsg+0xcd/0x170
[ 1642.163950][   T72]      do_syscall_64+0xc6/0x1e0
[ 1642.163950][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1642.163950][   T72] 
[ 1642.165661][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1642.165923][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1642.165923][   T72]      netdev_get_by_index+0x5e/0x80
[ 1642.165923][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1642.165923][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1642.165923][   T72]      ip6_route_add+0x1c/0x140
[ 1642.165923][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1642.165923][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1642.165923][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1642.165923][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1642.165923][   T72]      netlink_rcv_skb+0x130/0x360
[ 1642.165923][   T72]      netlink_unicast+0x449/0x710
[ 1642.165923][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1642.165923][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1642.165923][   T72]      ___sys_sendmsg+0xee/0x170
[ 1642.165923][   T72]      __sys_sendmsg+0xcd/0x170
[ 1642.165923][   T72]      do_syscall_64+0xc6/0x1e0
[ 1642.165923][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1642.165923][   T72] 
[ 1642.167950][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1642.167950][   T72]      netdev_get_by_index+0x5e/0x80
[ 1642.167950][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1642.167950][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1642.167950][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1642.167950][   T72]      ipv6_add_addr+0x411/0x2000
[ 1642.167950][   T72]      inet6_addr_add+0x30e/0xa40
[ 1642.167950][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1642.167950][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1642.167950][   T72]      netlink_rcv_skb+0x130/0x360
[ 1642.167950][   T72]      netlink_unicast+0x449/0x710
[ 1642.167950][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1642.167950][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1642.167950][   T72]      ___sys_sendmsg+0xee/0x170
[ 1642.167950][   T72]      __sys_sendmsg+0xcd/0x170
[ 1642.167950][   T72]      do_syscall_64+0xc6/0x1e0
[ 1642.167950][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1642.167950][   T72] 
[ 1642.169968][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1642.169968][   T72]      netdev_get_by_index+0x5e/0x80
[ 1642.169968][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1642.169968][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1642.169968][   T72]      ip6_route_add+0x1c/0x140
[ 1642.169968][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1642.169968][   T72]      addrconf_add_dev+0xe2/0x170
[ 1642.169968][   T72]      inet6_addr_add+0x12f/0xa40
[ 1642.169968][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1642.169968][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1642.169968][   T72]      netlink_rcv_skb+0x130/0x360
[ 1642.169968][   T72]      netlink_unicast+0x449/0x710
[ 1642.169968][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1642.169968][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1642.169968][   T72]      ___sys_sendmsg+0xee/0x170
[ 1642.169968][   T72]      __sys_sendmsg+0xcd/0x170
[ 1642.169968][   T72]      do_syscall_64+0xc6/0x1e0
[ 1642.169968][   T72] 
[ 1642.171966][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1642.171966][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1642.171966][   T72]      ipv6_find_idev+0x102/0x170
[ 1642.171966][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1642.171966][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1642.171966][   T72]      netlink_rcv_skb+0x130/0x360
[ 1642.171966][   T72]      netlink_unicast+0x449/0x710
[ 1642.171966][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1642.171966][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1642.171966][   T72]      ___sys_sendmsg+0xee/0x170
[ 1642.171966][   T72]      __sys_sendmsg+0xcd/0x170
[ 1642.171966][   T72]      do_syscall_64+0xc6/0x1e0
[ 1642.171966][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1642.171966][   T72] 
[ 1642.173531][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1642.173531][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1642.173531][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1642.173531][   T72]      ipv6_find_idev+0x102/0x170
[ 1642.173531][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1642.173531][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1642.173531][   T72]      netlink_rcv_skb+0x130/0x360
[ 1642.173531][   T72]      netlink_unicast+0x449/0x710
[ 1642.173531][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1642.173531][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1642.173531][   T72]      ___sys_sendmsg+0xee/0x170
[ 1642.173531][   T72]      __sys_sendmsg+0xcd/0x170
[ 1642.173531][   T72]      do_syscall_64+0xc6/0x1e0
[ 1642.173531][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1642.173531][   T72] 
[ 1652.199919][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1652.200330][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1652.200330][   T72]      netdev_get_by_index+0x5e/0x80
[ 1652.200330][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1652.200330][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1652.200330][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1652.200330][   T72]      ipv6_add_addr+0x411/0x2000
[ 1652.200330][   T72]      inet6_addr_add+0x30e/0xa40
[ 1652.200330][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1652.200330][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1652.200330][   T72]      netlink_rcv_skb+0x130/0x360
[ 1652.200330][   T72]      netlink_unicast+0x449/0x710
[ 1652.200330][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1652.200330][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1652.200330][   T72]      ___sys_sendmsg+0xee/0x170
[ 1652.200330][   T72]      __sys_sendmsg+0xcd/0x170
[ 1652.200330][   T72]      do_syscall_64+0xc6/0x1e0
[ 1652.200330][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1652.200330][   T72] 
[ 1652.202378][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1652.202378][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1652.202378][   T72]      ipv6_find_idev+0x102/0x170
[ 1652.202378][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1652.202378][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1652.202378][   T72]      netlink_rcv_skb+0x130/0x360
[ 1652.202378][   T72]      netlink_unicast+0x449/0x710
[ 1652.202378][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1652.202378][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1652.202378][   T72]      ___sys_sendmsg+0xee/0x170
[ 1652.202378][   T72]      __sys_sendmsg+0xcd/0x170
[ 1652.202378][   T72]      do_syscall_64+0xc6/0x1e0
[ 1652.202378][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1652.202378][   T72] 
[ 1652.203951][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1652.203951][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1652.203951][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1652.203951][   T72]      ipv6_find_idev+0x102/0x170
[ 1652.203951][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1652.203951][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1652.203951][   T72]      netlink_rcv_skb+0x130/0x360
[ 1652.203951][   T72]      netlink_unicast+0x449/0x710
[ 1652.203951][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1652.203951][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1652.203951][   T72]      ___sys_sendmsg+0xee/0x170
[ 1652.203951][   T72]      __sys_sendmsg+0xcd/0x170
[ 1652.203951][   T72]      do_syscall_64+0xc6/0x1e0
[ 1652.203951][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1652.203951][   T72] 
[ 1652.205676][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1652.205933][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1652.205933][   T72]      netdev_get_by_index+0x5e/0x80
[ 1652.205933][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1652.205933][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1652.205933][   T72]      ip6_route_add+0x1c/0x140
[ 1652.205933][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1652.205933][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1652.205933][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1652.205933][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1652.205933][   T72]      netlink_rcv_skb+0x130/0x360
[ 1652.205933][   T72]      netlink_unicast+0x449/0x710
[ 1652.205933][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1652.205933][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1652.205933][   T72]      ___sys_sendmsg+0xee/0x170
[ 1652.205933][   T72]      __sys_sendmsg+0xcd/0x170
[ 1652.205933][   T72]      do_syscall_64+0xc6/0x1e0
[ 1652.205933][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1652.205933][   T72] 
[ 1652.207959][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1652.207959][   T72]      netdev_get_by_index+0x5e/0x80
[ 1652.207959][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1652.207959][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1652.207959][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1652.207959][   T72]      ipv6_add_addr+0x411/0x2000
[ 1652.207959][   T72]      inet6_addr_add+0x30e/0xa40
[ 1652.207959][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1652.207959][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1652.207959][   T72]      netlink_rcv_skb+0x130/0x360
[ 1652.207959][   T72]      netlink_unicast+0x449/0x710
[ 1652.207959][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1652.207959][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1652.207959][   T72]      ___sys_sendmsg+0xee/0x170
[ 1652.207959][   T72]      __sys_sendmsg+0xcd/0x170
[ 1652.207959][   T72]      do_syscall_64+0xc6/0x1e0
[ 1652.207959][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1652.207959][   T72] 
[ 1652.209988][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1652.209988][   T72]      netdev_get_by_index+0x5e/0x80
[ 1652.209988][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1652.209988][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1652.209988][   T72]      ip6_route_add+0x1c/0x140
[ 1652.209988][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1652.209988][   T72]      addrconf_add_dev+0xe2/0x170
[ 1652.209988][   T72]      inet6_addr_add+0x12f/0xa40
[ 1652.209988][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1652.209988][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1652.209988][   T72]      netlink_rcv_skb+0x130/0x360
[ 1652.209988][   T72]      netlink_unicast+0x449/0x710
[ 1652.209988][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1652.209988][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1652.209988][   T72]      ___sys_sendmsg+0xee/0x170
[ 1652.209988][   T72]      __sys_sendmsg+0xcd/0x170
[ 1652.209988][   T72]      do_syscall_64+0xc6/0x1e0
[ 1652.209988][   T72] 
[ 1652.211979][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1652.211979][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1652.211979][   T72]      ipv6_find_idev+0x102/0x170
[ 1652.211979][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1652.211979][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1652.211979][   T72]      netlink_rcv_skb+0x130/0x360
[ 1652.211979][   T72]      netlink_unicast+0x449/0x710
[ 1652.211979][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1652.211979][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1652.211979][   T72]      ___sys_sendmsg+0xee/0x170
[ 1652.211979][   T72]      __sys_sendmsg+0xcd/0x170
[ 1652.211979][   T72]      do_syscall_64+0xc6/0x1e0
[ 1652.211979][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1652.211979][   T72] 
[ 1652.213541][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1652.213541][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1652.213541][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1652.213541][   T72]      ipv6_find_idev+0x102/0x170
[ 1652.213541][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1652.213541][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1652.213541][   T72]      netlink_rcv_skb+0x130/0x360
[ 1652.213541][   T72]      netlink_unicast+0x449/0x710
[ 1652.213541][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1652.213541][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1652.213541][   T72]      ___sys_sendmsg+0xee/0x170
[ 1652.213541][   T72]      __sys_sendmsg+0xcd/0x170
[ 1652.213541][   T72]      do_syscall_64+0xc6/0x1e0
[ 1652.213541][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1652.213541][   T72] 
[ 1662.455892][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1662.456382][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1662.456382][   T72]      netdev_get_by_index+0x5e/0x80
[ 1662.456382][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1662.456382][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1662.456382][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1662.456382][   T72]      ipv6_add_addr+0x411/0x2000
[ 1662.456382][   T72]      inet6_addr_add+0x30e/0xa40
[ 1662.456382][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1662.456382][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1662.456382][   T72]      netlink_rcv_skb+0x130/0x360
[ 1662.456382][   T72]      netlink_unicast+0x449/0x710
[ 1662.456382][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1662.456382][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1662.456382][   T72]      ___sys_sendmsg+0xee/0x170
[ 1662.456382][   T72]      __sys_sendmsg+0xcd/0x170
[ 1662.456382][   T72]      do_syscall_64+0xc6/0x1e0
[ 1662.456382][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1662.456382][   T72] 
[ 1662.458492][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1662.458492][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1662.458492][   T72]      ipv6_find_idev+0x102/0x170
[ 1662.458492][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1662.458492][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1662.458492][   T72]      netlink_rcv_skb+0x130/0x360
[ 1662.458492][   T72]      netlink_unicast+0x449/0x710
[ 1662.458492][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1662.458492][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1662.458492][   T72]      ___sys_sendmsg+0xee/0x170
[ 1662.458492][   T72]      __sys_sendmsg+0xcd/0x170
[ 1662.458492][   T72]      do_syscall_64+0xc6/0x1e0
[ 1662.458492][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1662.458492][   T72] 
[ 1662.460053][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1662.460053][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1662.460053][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1662.460053][   T72]      ipv6_find_idev+0x102/0x170
[ 1662.460053][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1662.460053][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1662.460053][   T72]      netlink_rcv_skb+0x130/0x360
[ 1662.460053][   T72]      netlink_unicast+0x449/0x710
[ 1662.460053][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1662.460053][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1662.460053][   T72]      ___sys_sendmsg+0xee/0x170
[ 1662.460053][   T72]      __sys_sendmsg+0xcd/0x170
[ 1662.460053][   T72]      do_syscall_64+0xc6/0x1e0
[ 1662.460053][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1662.460053][   T72] 
[ 1662.461782][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1662.462030][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1662.462030][   T72]      netdev_get_by_index+0x5e/0x80
[ 1662.462030][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1662.462030][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1662.462030][   T72]      ip6_route_add+0x1c/0x140
[ 1662.462030][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1662.462030][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1662.462030][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1662.462030][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1662.462030][   T72]      netlink_rcv_skb+0x130/0x360
[ 1662.462030][   T72]      netlink_unicast+0x449/0x710
[ 1662.462030][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1662.462030][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1662.462030][   T72]      ___sys_sendmsg+0xee/0x170
[ 1662.462030][   T72]      __sys_sendmsg+0xcd/0x170
[ 1662.462030][   T72]      do_syscall_64+0xc6/0x1e0
[ 1662.462030][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1662.462030][   T72] 
[ 1662.464052][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1662.464052][   T72]      netdev_get_by_index+0x5e/0x80
[ 1662.464052][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1662.464052][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1662.464052][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1662.464052][   T72]      ipv6_add_addr+0x411/0x2000
[ 1662.464052][   T72]      inet6_addr_add+0x30e/0xa40
[ 1662.464052][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1662.464052][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1662.464052][   T72]      netlink_rcv_skb+0x130/0x360
[ 1662.464052][   T72]      netlink_unicast+0x449/0x710
[ 1662.464052][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1662.464052][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1662.464052][   T72]      ___sys_sendmsg+0xee/0x170
[ 1662.464052][   T72]      __sys_sendmsg+0xcd/0x170
[ 1662.464052][   T72]      do_syscall_64+0xc6/0x1e0
[ 1662.464052][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1662.464052][   T72] 
[ 1662.466083][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1662.466083][   T72]      netdev_get_by_index+0x5e/0x80
[ 1662.466083][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1662.466083][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1662.466083][   T72]      ip6_route_add+0x1c/0x140
[ 1662.466083][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1662.466083][   T72]      addrconf_add_dev+0xe2/0x170
[ 1662.466083][   T72]      inet6_addr_add+0x12f/0xa40
[ 1662.466083][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1662.466083][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1662.466083][   T72]      netlink_rcv_skb+0x130/0x360
[ 1662.466083][   T72]      netlink_unicast+0x449/0x710
[ 1662.466083][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1662.466083][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1662.466083][   T72]      ___sys_sendmsg+0xee/0x170
[ 1662.466083][   T72]      __sys_sendmsg+0xcd/0x170
[ 1662.466083][   T72]      do_syscall_64+0xc6/0x1e0
[ 1662.466083][   T72] 
[ 1662.468072][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1662.468072][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1662.468072][   T72]      ipv6_find_idev+0x102/0x170
[ 1662.468072][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1662.468072][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1662.468072][   T72]      netlink_rcv_skb+0x130/0x360
[ 1662.468072][   T72]      netlink_unicast+0x449/0x710
[ 1662.468072][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1662.468072][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1662.468072][   T72]      ___sys_sendmsg+0xee/0x170
[ 1662.468072][   T72]      __sys_sendmsg+0xcd/0x170
[ 1662.468072][   T72]      do_syscall_64+0xc6/0x1e0
[ 1662.468072][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1662.468072][   T72] 
[ 1662.469628][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1662.469628][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1662.469628][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1662.469628][   T72]      ipv6_find_idev+0x102/0x170
[ 1662.469628][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1662.469628][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1662.469628][   T72]      netlink_rcv_skb+0x130/0x360
[ 1662.469628][   T72]      netlink_unicast+0x449/0x710
[ 1662.469628][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1662.469628][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1662.469628][   T72]      ___sys_sendmsg+0xee/0x170
[ 1662.469628][   T72]      __sys_sendmsg+0xcd/0x170
[ 1662.469628][   T72]      do_syscall_64+0xc6/0x1e0
[ 1662.469628][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1662.469628][   T72] 
[ 1672.711887][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1672.712311][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1672.712311][   T72]      netdev_get_by_index+0x5e/0x80
[ 1672.712311][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1672.712311][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1672.712311][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1672.712311][   T72]      ipv6_add_addr+0x411/0x2000
[ 1672.712311][   T72]      inet6_addr_add+0x30e/0xa40
[ 1672.712311][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1672.712311][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1672.712311][   T72]      netlink_rcv_skb+0x130/0x360
[ 1672.712311][   T72]      netlink_unicast+0x449/0x710
[ 1672.712311][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1672.712311][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1672.712311][   T72]      ___sys_sendmsg+0xee/0x170
[ 1672.712311][   T72]      __sys_sendmsg+0xcd/0x170
[ 1672.712311][   T72]      do_syscall_64+0xc6/0x1e0
[ 1672.712311][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1672.712311][   T72] 
[ 1672.714370][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1672.714370][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1672.714370][   T72]      ipv6_find_idev+0x102/0x170
[ 1672.714370][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1672.714370][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1672.714370][   T72]      netlink_rcv_skb+0x130/0x360
[ 1672.714370][   T72]      netlink_unicast+0x449/0x710
[ 1672.714370][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1672.714370][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1672.714370][   T72]      ___sys_sendmsg+0xee/0x170
[ 1672.714370][   T72]      __sys_sendmsg+0xcd/0x170
[ 1672.714370][   T72]      do_syscall_64+0xc6/0x1e0
[ 1672.714370][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1672.714370][   T72] 
[ 1672.715929][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1672.715929][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1672.715929][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1672.715929][   T72]      ipv6_find_idev+0x102/0x170
[ 1672.715929][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1672.715929][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1672.715929][   T72]      netlink_rcv_skb+0x130/0x360
[ 1672.715929][   T72]      netlink_unicast+0x449/0x710
[ 1672.715929][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1672.715929][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1672.715929][   T72]      ___sys_sendmsg+0xee/0x170
[ 1672.715929][   T72]      __sys_sendmsg+0xcd/0x170
[ 1672.715929][   T72]      do_syscall_64+0xc6/0x1e0
[ 1672.715929][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1672.715929][   T72] 
[ 1672.717646][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1672.717906][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1672.717906][   T72]      netdev_get_by_index+0x5e/0x80
[ 1672.717906][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1672.717906][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1672.717906][   T72]      ip6_route_add+0x1c/0x140
[ 1672.717906][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1672.717906][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1672.717906][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1672.717906][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1672.717906][   T72]      netlink_rcv_skb+0x130/0x360
[ 1672.717906][   T72]      netlink_unicast+0x449/0x710
[ 1672.717906][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1672.717906][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1672.717906][   T72]      ___sys_sendmsg+0xee/0x170
[ 1672.717906][   T72]      __sys_sendmsg+0xcd/0x170
[ 1672.717906][   T72]      do_syscall_64+0xc6/0x1e0
[ 1672.717906][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1672.717906][   T72] 
[ 1672.719922][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1672.719922][   T72]      netdev_get_by_index+0x5e/0x80
[ 1672.719922][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1672.719922][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1672.719922][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1672.719922][   T72]      ipv6_add_addr+0x411/0x2000
[ 1672.719922][   T72]      inet6_addr_add+0x30e/0xa40
[ 1672.719922][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1672.719922][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1672.719922][   T72]      netlink_rcv_skb+0x130/0x360
[ 1672.719922][   T72]      netlink_unicast+0x449/0x710
[ 1672.719922][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1672.719922][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1672.719922][   T72]      ___sys_sendmsg+0xee/0x170
[ 1672.719922][   T72]      __sys_sendmsg+0xcd/0x170
[ 1672.719922][   T72]      do_syscall_64+0xc6/0x1e0
[ 1672.719922][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1672.719922][   T72] 
[ 1672.722050][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1672.722050][   T72]      netdev_get_by_index+0x5e/0x80
[ 1672.722050][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1672.722050][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1672.722050][   T72]      ip6_route_add+0x1c/0x140
[ 1672.722050][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1672.722050][   T72]      addrconf_add_dev+0xe2/0x170
[ 1672.722050][   T72]      inet6_addr_add+0x12f/0xa40
[ 1672.722050][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1672.722050][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1672.722050][   T72]      netlink_rcv_skb+0x130/0x360
[ 1672.722050][   T72]      netlink_unicast+0x449/0x710
[ 1672.722050][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1672.722050][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1672.722050][   T72]      ___sys_sendmsg+0xee/0x170
[ 1672.722050][   T72]      __sys_sendmsg+0xcd/0x170
[ 1672.722050][   T72]      do_syscall_64+0xc6/0x1e0
[ 1672.722050][   T72] 
[ 1672.724039][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1672.724039][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1672.724039][   T72]      ipv6_find_idev+0x102/0x170
[ 1672.724039][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1672.724039][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1672.724039][   T72]      netlink_rcv_skb+0x130/0x360
[ 1672.724039][   T72]      netlink_unicast+0x449/0x710
[ 1672.724039][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1672.724039][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1672.724039][   T72]      ___sys_sendmsg+0xee/0x170
[ 1672.724039][   T72]      __sys_sendmsg+0xcd/0x170
[ 1672.724039][   T72]      do_syscall_64+0xc6/0x1e0
[ 1672.724039][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1672.724039][   T72] 
[ 1672.725590][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1672.725590][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1672.725590][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1672.725590][   T72]      ipv6_find_idev+0x102/0x170
[ 1672.725590][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1672.725590][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1672.725590][   T72]      netlink_rcv_skb+0x130/0x360
[ 1672.725590][   T72]      netlink_unicast+0x449/0x710
[ 1672.725590][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1672.725590][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1672.725590][   T72]      ___sys_sendmsg+0xee/0x170
[ 1672.725590][   T72]      __sys_sendmsg+0xcd/0x170
[ 1672.725590][   T72]      do_syscall_64+0xc6/0x1e0
[ 1672.725590][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1672.725590][   T72] 
[ 1682.967891][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1682.968363][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1682.968363][   T72]      netdev_get_by_index+0x5e/0x80
[ 1682.968363][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1682.968363][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1682.968363][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1682.968363][   T72]      ipv6_add_addr+0x411/0x2000
[ 1682.968363][   T72]      inet6_addr_add+0x30e/0xa40
[ 1682.968363][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1682.968363][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1682.968363][   T72]      netlink_rcv_skb+0x130/0x360
[ 1682.968363][   T72]      netlink_unicast+0x449/0x710
[ 1682.968363][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1682.968363][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1682.968363][   T72]      ___sys_sendmsg+0xee/0x170
[ 1682.968363][   T72]      __sys_sendmsg+0xcd/0x170
[ 1682.968363][   T72]      do_syscall_64+0xc6/0x1e0
[ 1682.968363][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1682.968363][   T72] 
[ 1682.970422][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1682.970422][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1682.970422][   T72]      ipv6_find_idev+0x102/0x170
[ 1682.970422][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1682.970422][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1682.970422][   T72]      netlink_rcv_skb+0x130/0x360
[ 1682.970422][   T72]      netlink_unicast+0x449/0x710
[ 1682.970422][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1682.970422][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1682.970422][   T72]      ___sys_sendmsg+0xee/0x170
[ 1682.970422][   T72]      __sys_sendmsg+0xcd/0x170
[ 1682.970422][   T72]      do_syscall_64+0xc6/0x1e0
[ 1682.970422][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1682.970422][   T72] 
[ 1682.971984][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1682.971984][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1682.971984][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1682.971984][   T72]      ipv6_find_idev+0x102/0x170
[ 1682.971984][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1682.971984][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1682.971984][   T72]      netlink_rcv_skb+0x130/0x360
[ 1682.971984][   T72]      netlink_unicast+0x449/0x710
[ 1682.971984][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1682.971984][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1682.971984][   T72]      ___sys_sendmsg+0xee/0x170
[ 1682.971984][   T72]      __sys_sendmsg+0xcd/0x170
[ 1682.971984][   T72]      do_syscall_64+0xc6/0x1e0
[ 1682.971984][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1682.971984][   T72] 
[ 1682.973718][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1682.973984][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1682.973984][   T72]      netdev_get_by_index+0x5e/0x80
[ 1682.973984][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1682.973984][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1682.973984][   T72]      ip6_route_add+0x1c/0x140
[ 1682.973984][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1682.973984][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1682.973984][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1682.973984][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1682.973984][   T72]      netlink_rcv_skb+0x130/0x360
[ 1682.973984][   T72]      netlink_unicast+0x449/0x710
[ 1682.973984][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1682.973984][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1682.973984][   T72]      ___sys_sendmsg+0xee/0x170
[ 1682.973984][   T72]      __sys_sendmsg+0xcd/0x170
[ 1682.973984][   T72]      do_syscall_64+0xc6/0x1e0
[ 1682.973984][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1682.973984][   T72] 
[ 1682.976026][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1682.976026][   T72]      netdev_get_by_index+0x5e/0x80
[ 1682.976026][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1682.976026][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1682.976026][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1682.976026][   T72]      ipv6_add_addr+0x411/0x2000
[ 1682.976026][   T72]      inet6_addr_add+0x30e/0xa40
[ 1682.976026][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1682.976026][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1682.976026][   T72]      netlink_rcv_skb+0x130/0x360
[ 1682.976026][   T72]      netlink_unicast+0x449/0x710
[ 1682.976026][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1682.976026][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1682.976026][   T72]      ___sys_sendmsg+0xee/0x170
[ 1682.976026][   T72]      __sys_sendmsg+0xcd/0x170
[ 1682.976026][   T72]      do_syscall_64+0xc6/0x1e0
[ 1682.976026][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1682.976026][   T72] 
[ 1682.978048][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1682.978048][   T72]      netdev_get_by_index+0x5e/0x80
[ 1682.978048][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1682.978048][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1682.978048][   T72]      ip6_route_add+0x1c/0x140
[ 1682.978048][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1682.978048][   T72]      addrconf_add_dev+0xe2/0x170
[ 1682.978048][   T72]      inet6_addr_add+0x12f/0xa40
[ 1682.978048][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1682.978048][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1682.978048][   T72]      netlink_rcv_skb+0x130/0x360
[ 1682.978048][   T72]      netlink_unicast+0x449/0x710
[ 1682.978048][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1682.978048][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1682.978048][   T72]      ___sys_sendmsg+0xee/0x170
[ 1682.978048][   T72]      __sys_sendmsg+0xcd/0x170
[ 1682.978048][   T72]      do_syscall_64+0xc6/0x1e0
[ 1682.978048][   T72] 
[ 1682.980059][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1682.980059][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1682.980059][   T72]      ipv6_find_idev+0x102/0x170
[ 1682.980059][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1682.980059][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1682.980059][   T72]      netlink_rcv_skb+0x130/0x360
[ 1682.980059][   T72]      netlink_unicast+0x449/0x710
[ 1682.980059][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1682.980059][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1682.980059][   T72]      ___sys_sendmsg+0xee/0x170
[ 1682.980059][   T72]      __sys_sendmsg+0xcd/0x170
[ 1682.980059][   T72]      do_syscall_64+0xc6/0x1e0
[ 1682.980059][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1682.980059][   T72] 
[ 1682.981629][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1682.981629][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1682.981629][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1682.981629][   T72]      ipv6_find_idev+0x102/0x170
[ 1682.981629][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1682.981629][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1682.981629][   T72]      netlink_rcv_skb+0x130/0x360
[ 1682.981629][   T72]      netlink_unicast+0x449/0x710
[ 1682.981629][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1682.981629][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1682.981629][   T72]      ___sys_sendmsg+0xee/0x170
[ 1682.981629][   T72]      __sys_sendmsg+0xcd/0x170
[ 1682.981629][   T72]      do_syscall_64+0xc6/0x1e0
[ 1682.981629][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1682.981629][   T72] 
[ 1693.223911][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1693.224362][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1693.224362][   T72]      netdev_get_by_index+0x5e/0x80
[ 1693.224362][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1693.224362][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1693.224362][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1693.224362][   T72]      ipv6_add_addr+0x411/0x2000
[ 1693.224362][   T72]      inet6_addr_add+0x30e/0xa40
[ 1693.224362][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1693.224362][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1693.224362][   T72]      netlink_rcv_skb+0x130/0x360
[ 1693.224362][   T72]      netlink_unicast+0x449/0x710
[ 1693.224362][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1693.224362][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1693.224362][   T72]      ___sys_sendmsg+0xee/0x170
[ 1693.224362][   T72]      __sys_sendmsg+0xcd/0x170
[ 1693.224362][   T72]      do_syscall_64+0xc6/0x1e0
[ 1693.224362][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1693.224362][   T72] 
[ 1693.226437][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1693.226437][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1693.226437][   T72]      ipv6_find_idev+0x102/0x170
[ 1693.226437][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1693.226437][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1693.226437][   T72]      netlink_rcv_skb+0x130/0x360
[ 1693.226437][   T72]      netlink_unicast+0x449/0x710
[ 1693.226437][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1693.226437][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1693.226437][   T72]      ___sys_sendmsg+0xee/0x170
[ 1693.226437][   T72]      __sys_sendmsg+0xcd/0x170
[ 1693.226437][   T72]      do_syscall_64+0xc6/0x1e0
[ 1693.226437][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1693.226437][   T72] 
[ 1693.228001][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1693.228001][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1693.228001][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1693.228001][   T72]      ipv6_find_idev+0x102/0x170
[ 1693.228001][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1693.228001][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1693.228001][   T72]      netlink_rcv_skb+0x130/0x360
[ 1693.228001][   T72]      netlink_unicast+0x449/0x710
[ 1693.228001][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1693.228001][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1693.228001][   T72]      ___sys_sendmsg+0xee/0x170
[ 1693.228001][   T72]      __sys_sendmsg+0xcd/0x170
[ 1693.228001][   T72]      do_syscall_64+0xc6/0x1e0
[ 1693.228001][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1693.228001][   T72] 
[ 1693.229718][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1693.229982][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1693.229982][   T72]      netdev_get_by_index+0x5e/0x80
[ 1693.229982][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1693.229982][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1693.229982][   T72]      ip6_route_add+0x1c/0x140
[ 1693.229982][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1693.229982][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1693.229982][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1693.229982][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1693.229982][   T72]      netlink_rcv_skb+0x130/0x360
[ 1693.229982][   T72]      netlink_unicast+0x449/0x710
[ 1693.229982][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1693.229982][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1693.229982][   T72]      ___sys_sendmsg+0xee/0x170
[ 1693.229982][   T72]      __sys_sendmsg+0xcd/0x170
[ 1693.229982][   T72]      do_syscall_64+0xc6/0x1e0
[ 1693.229982][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1693.229982][   T72] 
[ 1693.232018][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1693.232018][   T72]      netdev_get_by_index+0x5e/0x80
[ 1693.232018][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1693.232018][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1693.232018][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1693.232018][   T72]      ipv6_add_addr+0x411/0x2000
[ 1693.232018][   T72]      inet6_addr_add+0x30e/0xa40
[ 1693.232018][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1693.232018][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1693.232018][   T72]      netlink_rcv_skb+0x130/0x360
[ 1693.232018][   T72]      netlink_unicast+0x449/0x710
[ 1693.232018][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1693.232018][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1693.232018][   T72]      ___sys_sendmsg+0xee/0x170
[ 1693.232018][   T72]      __sys_sendmsg+0xcd/0x170
[ 1693.232018][   T72]      do_syscall_64+0xc6/0x1e0
[ 1693.232018][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1693.232018][   T72] 
[ 1693.234052][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1693.234052][   T72]      netdev_get_by_index+0x5e/0x80
[ 1693.234052][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1693.234052][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1693.234052][   T72]      ip6_route_add+0x1c/0x140
[ 1693.234052][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1693.234052][   T72]      addrconf_add_dev+0xe2/0x170
[ 1693.234052][   T72]      inet6_addr_add+0x12f/0xa40
[ 1693.234052][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1693.234052][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1693.234052][   T72]      netlink_rcv_skb+0x130/0x360
[ 1693.234052][   T72]      netlink_unicast+0x449/0x710
[ 1693.234052][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1693.234052][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1693.234052][   T72]      ___sys_sendmsg+0xee/0x170
[ 1693.234052][   T72]      __sys_sendmsg+0xcd/0x170
[ 1693.234052][   T72]      do_syscall_64+0xc6/0x1e0
[ 1693.234052][   T72] 
[ 1693.236051][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1693.236051][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1693.236051][   T72]      ipv6_find_idev+0x102/0x170
[ 1693.236051][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1693.236051][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1693.236051][   T72]      netlink_rcv_skb+0x130/0x360
[ 1693.236051][   T72]      netlink_unicast+0x449/0x710
[ 1693.236051][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1693.236051][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1693.236051][   T72]      ___sys_sendmsg+0xee/0x170
[ 1693.236051][   T72]      __sys_sendmsg+0xcd/0x170
[ 1693.236051][   T72]      do_syscall_64+0xc6/0x1e0
[ 1693.236051][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1693.236051][   T72] 
[ 1693.237601][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1693.237601][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1693.237601][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1693.237601][   T72]      ipv6_find_idev+0x102/0x170
[ 1693.237601][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1693.237601][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1693.237601][   T72]      netlink_rcv_skb+0x130/0x360
[ 1693.237601][   T72]      netlink_unicast+0x449/0x710
[ 1693.237601][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1693.237601][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1693.237601][   T72]      ___sys_sendmsg+0xee/0x170
[ 1693.237601][   T72]      __sys_sendmsg+0xcd/0x170
[ 1693.237601][   T72]      do_syscall_64+0xc6/0x1e0
[ 1693.237601][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1693.237601][   T72] 
[ 1703.479907][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1703.480363][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1703.480363][   T72]      netdev_get_by_index+0x5e/0x80
[ 1703.480363][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1703.480363][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1703.480363][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1703.480363][   T72]      ipv6_add_addr+0x411/0x2000
[ 1703.480363][   T72]      inet6_addr_add+0x30e/0xa40
[ 1703.480363][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1703.480363][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1703.480363][   T72]      netlink_rcv_skb+0x130/0x360
[ 1703.480363][   T72]      netlink_unicast+0x449/0x710
[ 1703.480363][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1703.480363][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1703.480363][   T72]      ___sys_sendmsg+0xee/0x170
[ 1703.480363][   T72]      __sys_sendmsg+0xcd/0x170
[ 1703.480363][   T72]      do_syscall_64+0xc6/0x1e0
[ 1703.480363][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1703.480363][   T72] 
[ 1703.482417][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1703.482417][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1703.482417][   T72]      ipv6_find_idev+0x102/0x170
[ 1703.482417][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1703.482417][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1703.482417][   T72]      netlink_rcv_skb+0x130/0x360
[ 1703.482417][   T72]      netlink_unicast+0x449/0x710
[ 1703.482417][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1703.482417][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1703.482417][   T72]      ___sys_sendmsg+0xee/0x170
[ 1703.482417][   T72]      __sys_sendmsg+0xcd/0x170
[ 1703.482417][   T72]      do_syscall_64+0xc6/0x1e0
[ 1703.482417][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1703.482417][   T72] 
[ 1703.483989][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1703.483989][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1703.483989][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1703.483989][   T72]      ipv6_find_idev+0x102/0x170
[ 1703.483989][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1703.483989][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1703.483989][   T72]      netlink_rcv_skb+0x130/0x360
[ 1703.483989][   T72]      netlink_unicast+0x449/0x710
[ 1703.483989][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1703.483989][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1703.483989][   T72]      ___sys_sendmsg+0xee/0x170
[ 1703.483989][   T72]      __sys_sendmsg+0xcd/0x170
[ 1703.483989][   T72]      do_syscall_64+0xc6/0x1e0
[ 1703.483989][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1703.483989][   T72] 
[ 1703.485701][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1703.485953][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1703.485953][   T72]      netdev_get_by_index+0x5e/0x80
[ 1703.485953][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1703.485953][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1703.485953][   T72]      ip6_route_add+0x1c/0x140
[ 1703.485953][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1703.485953][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1703.485953][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1703.485953][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1703.485953][   T72]      netlink_rcv_skb+0x130/0x360
[ 1703.485953][   T72]      netlink_unicast+0x449/0x710
[ 1703.485953][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1703.485953][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1703.485953][   T72]      ___sys_sendmsg+0xee/0x170
[ 1703.485953][   T72]      __sys_sendmsg+0xcd/0x170
[ 1703.485953][   T72]      do_syscall_64+0xc6/0x1e0
[ 1703.485953][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1703.485953][   T72] 
[ 1703.488000][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1703.488000][   T72]      netdev_get_by_index+0x5e/0x80
[ 1703.488000][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1703.488000][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1703.488000][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1703.488000][   T72]      ipv6_add_addr+0x411/0x2000
[ 1703.488000][   T72]      inet6_addr_add+0x30e/0xa40
[ 1703.488000][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1703.488000][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1703.488000][   T72]      netlink_rcv_skb+0x130/0x360
[ 1703.488000][   T72]      netlink_unicast+0x449/0x710
[ 1703.488000][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1703.488000][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1703.488000][   T72]      ___sys_sendmsg+0xee/0x170
[ 1703.488000][   T72]      __sys_sendmsg+0xcd/0x170
[ 1703.488000][   T72]      do_syscall_64+0xc6/0x1e0
[ 1703.488000][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1703.488000][   T72] 
[ 1703.490027][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1703.490027][   T72]      netdev_get_by_index+0x5e/0x80
[ 1703.490027][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1703.490027][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1703.490027][   T72]      ip6_route_add+0x1c/0x140
[ 1703.490027][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1703.490027][   T72]      addrconf_add_dev+0xe2/0x170
[ 1703.490027][   T72]      inet6_addr_add+0x12f/0xa40
[ 1703.490027][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1703.490027][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1703.490027][   T72]      netlink_rcv_skb+0x130/0x360
[ 1703.490027][   T72]      netlink_unicast+0x449/0x710
[ 1703.490027][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1703.490027][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1703.490027][   T72]      ___sys_sendmsg+0xee/0x170
[ 1703.490027][   T72]      __sys_sendmsg+0xcd/0x170
[ 1703.490027][   T72]      do_syscall_64+0xc6/0x1e0
[ 1703.490027][   T72] 
[ 1703.492009][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1703.492009][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1703.492009][   T72]      ipv6_find_idev+0x102/0x170
[ 1703.492009][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1703.492009][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1703.492009][   T72]      netlink_rcv_skb+0x130/0x360
[ 1703.492009][   T72]      netlink_unicast+0x449/0x710
[ 1703.492009][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1703.492009][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1703.492009][   T72]      ___sys_sendmsg+0xee/0x170
[ 1703.492009][   T72]      __sys_sendmsg+0xcd/0x170
[ 1703.492009][   T72]      do_syscall_64+0xc6/0x1e0
[ 1703.492009][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1703.492009][   T72] 
[ 1703.493585][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1703.493585][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1703.493585][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1703.493585][   T72]      ipv6_find_idev+0x102/0x170
[ 1703.493585][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1703.493585][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1703.493585][   T72]      netlink_rcv_skb+0x130/0x360
[ 1703.493585][   T72]      netlink_unicast+0x449/0x710
[ 1703.493585][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1703.493585][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1703.493585][   T72]      ___sys_sendmsg+0xee/0x170
[ 1703.493585][   T72]      __sys_sendmsg+0xcd/0x170
[ 1703.493585][   T72]      do_syscall_64+0xc6/0x1e0
[ 1703.493585][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1703.493585][   T72] 
[ 1713.735940][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1713.736385][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1713.736385][   T72]      netdev_get_by_index+0x5e/0x80
[ 1713.736385][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1713.736385][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1713.736385][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1713.736385][   T72]      ipv6_add_addr+0x411/0x2000
[ 1713.736385][   T72]      inet6_addr_add+0x30e/0xa40
[ 1713.736385][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1713.736385][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1713.736385][   T72]      netlink_rcv_skb+0x130/0x360
[ 1713.736385][   T72]      netlink_unicast+0x449/0x710
[ 1713.736385][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1713.736385][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1713.736385][   T72]      ___sys_sendmsg+0xee/0x170
[ 1713.736385][   T72]      __sys_sendmsg+0xcd/0x170
[ 1713.736385][   T72]      do_syscall_64+0xc6/0x1e0
[ 1713.736385][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1713.736385][   T72] 
[ 1713.738664][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1713.738664][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1713.738664][   T72]      ipv6_find_idev+0x102/0x170
[ 1713.738664][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1713.738664][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1713.738664][   T72]      netlink_rcv_skb+0x130/0x360
[ 1713.738664][   T72]      netlink_unicast+0x449/0x710
[ 1713.738664][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1713.738664][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1713.738664][   T72]      ___sys_sendmsg+0xee/0x170
[ 1713.738664][   T72]      __sys_sendmsg+0xcd/0x170
[ 1713.738664][   T72]      do_syscall_64+0xc6/0x1e0
[ 1713.738664][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1713.738664][   T72] 
[ 1713.740461][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1713.740461][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1713.740461][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1713.740461][   T72]      ipv6_find_idev+0x102/0x170
[ 1713.740461][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1713.740461][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1713.740461][   T72]      netlink_rcv_skb+0x130/0x360
[ 1713.740461][   T72]      netlink_unicast+0x449/0x710
[ 1713.740461][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1713.740461][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1713.740461][   T72]      ___sys_sendmsg+0xee/0x170
[ 1713.740461][   T72]      __sys_sendmsg+0xcd/0x170
[ 1713.740461][   T72]      do_syscall_64+0xc6/0x1e0
[ 1713.740461][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1713.740461][   T72] 
[ 1713.742419][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1713.742699][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1713.742699][   T72]      netdev_get_by_index+0x5e/0x80
[ 1713.742699][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1713.742699][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1713.742699][   T72]      ip6_route_add+0x1c/0x140
[ 1713.742699][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1713.742699][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1713.742699][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1713.742699][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1713.742699][   T72]      netlink_rcv_skb+0x130/0x360
[ 1713.742699][   T72]      netlink_unicast+0x449/0x710
[ 1713.742699][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1713.742699][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1713.742699][   T72]      ___sys_sendmsg+0xee/0x170
[ 1713.742699][   T72]      __sys_sendmsg+0xcd/0x170
[ 1713.742699][   T72]      do_syscall_64+0xc6/0x1e0
[ 1713.742699][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1713.742699][   T72] 
[ 1713.745014][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1713.745014][   T72]      netdev_get_by_index+0x5e/0x80
[ 1713.745014][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1713.745014][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1713.745014][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1713.745014][   T72]      ipv6_add_addr+0x411/0x2000
[ 1713.745014][   T72]      inet6_addr_add+0x30e/0xa40
[ 1713.745014][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1713.745014][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1713.745014][   T72]      netlink_rcv_skb+0x130/0x360
[ 1713.745014][   T72]      netlink_unicast+0x449/0x710
[ 1713.745014][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1713.745014][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1713.745014][   T72]      ___sys_sendmsg+0xee/0x170
[ 1713.745014][   T72]      __sys_sendmsg+0xcd/0x170
[ 1713.745014][   T72]      do_syscall_64+0xc6/0x1e0
[ 1713.745014][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1713.745014][   T72] 
[ 1713.747316][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1713.747316][   T72]      netdev_get_by_index+0x5e/0x80
[ 1713.747316][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1713.747316][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1713.747316][   T72]      ip6_route_add+0x1c/0x140
[ 1713.747316][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1713.747316][   T72]      addrconf_add_dev+0xe2/0x170
[ 1713.747316][   T72]      inet6_addr_add+0x12f/0xa40
[ 1713.747316][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1713.747316][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1713.747316][   T72]      netlink_rcv_skb+0x130/0x360
[ 1713.747316][   T72]      netlink_unicast+0x449/0x710
[ 1713.747316][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1713.747316][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1713.747316][   T72]      ___sys_sendmsg+0xee/0x170
[ 1713.747316][   T72]      __sys_sendmsg+0xcd/0x170
[ 1713.747316][   T72]      do_syscall_64+0xc6/0x1e0
[ 1713.747316][   T72] 
[ 1713.749359][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1713.749359][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1713.749359][   T72]      ipv6_find_idev+0x102/0x170
[ 1713.749359][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1713.749359][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1713.749359][   T72]      netlink_rcv_skb+0x130/0x360
[ 1713.749359][   T72]      netlink_unicast+0x449/0x710
[ 1713.749359][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1713.749359][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1713.749359][   T72]      ___sys_sendmsg+0xee/0x170
[ 1713.749359][   T72]      __sys_sendmsg+0xcd/0x170
[ 1713.749359][   T72]      do_syscall_64+0xc6/0x1e0
[ 1713.749359][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1713.749359][   T72] 
[ 1713.750933][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1713.750933][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1713.750933][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1713.750933][   T72]      ipv6_find_idev+0x102/0x170
[ 1713.750933][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1713.750933][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1713.750933][   T72]      netlink_rcv_skb+0x130/0x360
[ 1713.750933][   T72]      netlink_unicast+0x449/0x710
[ 1713.750933][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1713.750933][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1713.750933][   T72]      ___sys_sendmsg+0xee/0x170
[ 1713.750933][   T72]      __sys_sendmsg+0xcd/0x170
[ 1713.750933][   T72]      do_syscall_64+0xc6/0x1e0
[ 1713.750933][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1713.750933][   T72] 
[ 1723.991887][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1723.992357][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1723.992357][   T72]      netdev_get_by_index+0x5e/0x80
[ 1723.992357][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1723.992357][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1723.992357][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1723.992357][   T72]      ipv6_add_addr+0x411/0x2000
[ 1723.992357][   T72]      inet6_addr_add+0x30e/0xa40
[ 1723.992357][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1723.992357][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1723.992357][   T72]      netlink_rcv_skb+0x130/0x360
[ 1723.992357][   T72]      netlink_unicast+0x449/0x710
[ 1723.992357][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1723.992357][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1723.992357][   T72]      ___sys_sendmsg+0xee/0x170
[ 1723.992357][   T72]      __sys_sendmsg+0xcd/0x170
[ 1723.992357][   T72]      do_syscall_64+0xc6/0x1e0
[ 1723.992357][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1723.992357][   T72] 
[ 1723.994420][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1723.994420][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1723.994420][   T72]      ipv6_find_idev+0x102/0x170
[ 1723.994420][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1723.994420][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1723.994420][   T72]      netlink_rcv_skb+0x130/0x360
[ 1723.994420][   T72]      netlink_unicast+0x449/0x710
[ 1723.994420][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1723.994420][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1723.994420][   T72]      ___sys_sendmsg+0xee/0x170
[ 1723.994420][   T72]      __sys_sendmsg+0xcd/0x170
[ 1723.994420][   T72]      do_syscall_64+0xc6/0x1e0
[ 1723.994420][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1723.994420][   T72] 
[ 1723.996041][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1723.996041][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1723.996041][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1723.996041][   T72]      ipv6_find_idev+0x102/0x170
[ 1723.996041][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1723.996041][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1723.996041][   T72]      netlink_rcv_skb+0x130/0x360
[ 1723.996041][   T72]      netlink_unicast+0x449/0x710
[ 1723.996041][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1723.996041][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1723.996041][   T72]      ___sys_sendmsg+0xee/0x170
[ 1723.996041][   T72]      __sys_sendmsg+0xcd/0x170
[ 1723.996041][   T72]      do_syscall_64+0xc6/0x1e0
[ 1723.996041][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1723.996041][   T72] 
[ 1723.997990][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1723.998262][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1723.998262][   T72]      netdev_get_by_index+0x5e/0x80
[ 1723.998262][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1723.998262][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1723.998262][   T72]      ip6_route_add+0x1c/0x140
[ 1723.998262][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1723.998262][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1723.998262][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1723.998262][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1723.998262][   T72]      netlink_rcv_skb+0x130/0x360
[ 1723.998262][   T72]      netlink_unicast+0x449/0x710
[ 1723.998262][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1723.998262][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1723.998262][   T72]      ___sys_sendmsg+0xee/0x170
[ 1723.998262][   T72]      __sys_sendmsg+0xcd/0x170
[ 1723.998262][   T72]      do_syscall_64+0xc6/0x1e0
[ 1723.998262][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1723.998262][   T72] 
[ 1724.000578][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1724.000578][   T72]      netdev_get_by_index+0x5e/0x80
[ 1724.000578][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1724.000578][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1724.000578][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1724.000578][   T72]      ipv6_add_addr+0x411/0x2000
[ 1724.000578][   T72]      inet6_addr_add+0x30e/0xa40
[ 1724.000578][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1724.000578][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.000578][   T72]      netlink_rcv_skb+0x130/0x360
[ 1724.000578][   T72]      netlink_unicast+0x449/0x710
[ 1724.000578][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1724.000578][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.000578][   T72]      ___sys_sendmsg+0xee/0x170
[ 1724.000578][   T72]      __sys_sendmsg+0xcd/0x170
[ 1724.000578][   T72]      do_syscall_64+0xc6/0x1e0
[ 1724.000578][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1724.000578][   T72] 
[ 1724.002886][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1724.002886][   T72]      netdev_get_by_index+0x5e/0x80
[ 1724.002886][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1724.002886][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1724.002886][   T72]      ip6_route_add+0x1c/0x140
[ 1724.002886][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1724.002886][   T72]      addrconf_add_dev+0xe2/0x170
[ 1724.002886][   T72]      inet6_addr_add+0x12f/0xa40
[ 1724.002886][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1724.002886][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.002886][   T72]      netlink_rcv_skb+0x130/0x360
[ 1724.002886][   T72]      netlink_unicast+0x449/0x710
[ 1724.002886][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1724.002886][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.002886][   T72]      ___sys_sendmsg+0xee/0x170
[ 1724.002886][   T72]      __sys_sendmsg+0xcd/0x170
[ 1724.002886][   T72]      do_syscall_64+0xc6/0x1e0
[ 1724.002886][   T72] 
[ 1724.005149][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1724.005149][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1724.005149][   T72]      ipv6_find_idev+0x102/0x170
[ 1724.005149][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1724.005149][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.005149][   T72]      netlink_rcv_skb+0x130/0x360
[ 1724.005149][   T72]      netlink_unicast+0x449/0x710
[ 1724.005149][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1724.005149][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.005149][   T72]      ___sys_sendmsg+0xee/0x170
[ 1724.005149][   T72]      __sys_sendmsg+0xcd/0x170
[ 1724.005149][   T72]      do_syscall_64+0xc6/0x1e0
[ 1724.005149][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1724.005149][   T72] 
[ 1724.006903][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1724.006903][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1724.006903][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1724.006903][   T72]      ipv6_find_idev+0x102/0x170
[ 1724.006903][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1724.006903][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1724.006903][   T72]      netlink_rcv_skb+0x130/0x360
[ 1724.006903][   T72]      netlink_unicast+0x449/0x710
[ 1724.006903][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1724.006903][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1724.006903][   T72]      ___sys_sendmsg+0xee/0x170
[ 1724.006903][   T72]      __sys_sendmsg+0xcd/0x170
[ 1724.006903][   T72]      do_syscall_64+0xc6/0x1e0
[ 1724.006903][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1724.006903][   T72] 
[ 1734.247882][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1734.248345][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1734.248345][   T72]      netdev_get_by_index+0x5e/0x80
[ 1734.248345][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1734.248345][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1734.248345][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1734.248345][   T72]      ipv6_add_addr+0x411/0x2000
[ 1734.248345][   T72]      inet6_addr_add+0x30e/0xa40
[ 1734.248345][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1734.248345][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1734.248345][   T72]      netlink_rcv_skb+0x130/0x360
[ 1734.248345][   T72]      netlink_unicast+0x449/0x710
[ 1734.248345][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1734.248345][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1734.248345][   T72]      ___sys_sendmsg+0xee/0x170
[ 1734.248345][   T72]      __sys_sendmsg+0xcd/0x170
[ 1734.248345][   T72]      do_syscall_64+0xc6/0x1e0
[ 1734.248345][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1734.248345][   T72] 
[ 1734.250400][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1734.250400][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1734.250400][   T72]      ipv6_find_idev+0x102/0x170
[ 1734.250400][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1734.250400][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1734.250400][   T72]      netlink_rcv_skb+0x130/0x360
[ 1734.250400][   T72]      netlink_unicast+0x449/0x710
[ 1734.250400][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1734.250400][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1734.250400][   T72]      ___sys_sendmsg+0xee/0x170
[ 1734.250400][   T72]      __sys_sendmsg+0xcd/0x170
[ 1734.250400][   T72]      do_syscall_64+0xc6/0x1e0
[ 1734.250400][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1734.250400][   T72] 
[ 1734.251964][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1734.251964][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1734.251964][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1734.251964][   T72]      ipv6_find_idev+0x102/0x170
[ 1734.251964][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1734.251964][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1734.251964][   T72]      netlink_rcv_skb+0x130/0x360
[ 1734.251964][   T72]      netlink_unicast+0x449/0x710
[ 1734.251964][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1734.251964][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1734.251964][   T72]      ___sys_sendmsg+0xee/0x170
[ 1734.251964][   T72]      __sys_sendmsg+0xcd/0x170
[ 1734.251964][   T72]      do_syscall_64+0xc6/0x1e0
[ 1734.251964][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1734.251964][   T72] 
[ 1734.253684][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1734.253949][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1734.253949][   T72]      netdev_get_by_index+0x5e/0x80
[ 1734.253949][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1734.253949][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1734.253949][   T72]      ip6_route_add+0x1c/0x140
[ 1734.253949][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1734.253949][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1734.253949][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1734.253949][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1734.253949][   T72]      netlink_rcv_skb+0x130/0x360
[ 1734.253949][   T72]      netlink_unicast+0x449/0x710
[ 1734.253949][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1734.253949][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1734.253949][   T72]      ___sys_sendmsg+0xee/0x170
[ 1734.253949][   T72]      __sys_sendmsg+0xcd/0x170
[ 1734.253949][   T72]      do_syscall_64+0xc6/0x1e0
[ 1734.253949][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1734.253949][   T72] 
[ 1734.256616][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1734.256616][   T72]      netdev_get_by_index+0x5e/0x80
[ 1734.256616][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1734.256616][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1734.256616][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1734.256616][   T72]      ipv6_add_addr+0x411/0x2000
[ 1734.256616][   T72]      inet6_addr_add+0x30e/0xa40
[ 1734.256616][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1734.256616][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1734.256616][   T72]      netlink_rcv_skb+0x130/0x360
[ 1734.256616][   T72]      netlink_unicast+0x449/0x710
[ 1734.256616][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1734.256616][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1734.256616][   T72]      ___sys_sendmsg+0xee/0x170
[ 1734.256616][   T72]      __sys_sendmsg+0xcd/0x170
[ 1734.256616][   T72]      do_syscall_64+0xc6/0x1e0
[ 1734.256616][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1734.256616][   T72] 
[ 1734.258635][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1734.258635][   T72]      netdev_get_by_index+0x5e/0x80
[ 1734.258635][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1734.258635][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1734.258635][   T72]      ip6_route_add+0x1c/0x140
[ 1734.258635][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1734.258635][   T72]      addrconf_add_dev+0xe2/0x170
[ 1734.258635][   T72]      inet6_addr_add+0x12f/0xa40
[ 1734.258635][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1734.258635][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1734.258635][   T72]      netlink_rcv_skb+0x130/0x360
[ 1734.258635][   T72]      netlink_unicast+0x449/0x710
[ 1734.258635][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1734.258635][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1734.258635][   T72]      ___sys_sendmsg+0xee/0x170
[ 1734.258635][   T72]      __sys_sendmsg+0xcd/0x170
[ 1734.258635][   T72]      do_syscall_64+0xc6/0x1e0
[ 1734.258635][   T72] 
[ 1734.260611][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1734.260611][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1734.260611][   T72]      ipv6_find_idev+0x102/0x170
[ 1734.260611][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1734.260611][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1734.260611][   T72]      netlink_rcv_skb+0x130/0x360
[ 1734.260611][   T72]      netlink_unicast+0x449/0x710
[ 1734.260611][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1734.260611][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1734.260611][   T72]      ___sys_sendmsg+0xee/0x170
[ 1734.260611][   T72]      __sys_sendmsg+0xcd/0x170
[ 1734.260611][   T72]      do_syscall_64+0xc6/0x1e0
[ 1734.260611][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1734.260611][   T72] 
[ 1734.262161][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1734.262161][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1734.262161][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1734.262161][   T72]      ipv6_find_idev+0x102/0x170
[ 1734.262161][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1734.262161][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1734.262161][   T72]      netlink_rcv_skb+0x130/0x360
[ 1734.262161][   T72]      netlink_unicast+0x449/0x710
[ 1734.262161][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1734.262161][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1734.262161][   T72]      ___sys_sendmsg+0xee/0x170
[ 1734.262161][   T72]      __sys_sendmsg+0xcd/0x170
[ 1734.262161][   T72]      do_syscall_64+0xc6/0x1e0
[ 1734.262161][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1734.262161][   T72] 
[ 1744.399925][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1744.400391][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1744.400391][   T72]      netdev_get_by_index+0x5e/0x80
[ 1744.400391][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1744.400391][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1744.400391][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1744.400391][   T72]      ipv6_add_addr+0x411/0x2000
[ 1744.400391][   T72]      inet6_addr_add+0x30e/0xa40
[ 1744.400391][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1744.400391][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1744.400391][   T72]      netlink_rcv_skb+0x130/0x360
[ 1744.400391][   T72]      netlink_unicast+0x449/0x710
[ 1744.400391][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1744.400391][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1744.400391][   T72]      ___sys_sendmsg+0xee/0x170
[ 1744.400391][   T72]      __sys_sendmsg+0xcd/0x170
[ 1744.400391][   T72]      do_syscall_64+0xc6/0x1e0
[ 1744.400391][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1744.400391][   T72] 
[ 1744.402464][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1744.402464][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1744.402464][   T72]      ipv6_find_idev+0x102/0x170
[ 1744.402464][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1744.402464][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1744.402464][   T72]      netlink_rcv_skb+0x130/0x360
[ 1744.402464][   T72]      netlink_unicast+0x449/0x710
[ 1744.402464][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1744.402464][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1744.402464][   T72]      ___sys_sendmsg+0xee/0x170
[ 1744.402464][   T72]      __sys_sendmsg+0xcd/0x170
[ 1744.402464][   T72]      do_syscall_64+0xc6/0x1e0
[ 1744.402464][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1744.402464][   T72] 
[ 1744.404046][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1744.404046][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1744.404046][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1744.404046][   T72]      ipv6_find_idev+0x102/0x170
[ 1744.404046][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1744.404046][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1744.404046][   T72]      netlink_rcv_skb+0x130/0x360
[ 1744.404046][   T72]      netlink_unicast+0x449/0x710
[ 1744.404046][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1744.404046][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1744.404046][   T72]      ___sys_sendmsg+0xee/0x170
[ 1744.404046][   T72]      __sys_sendmsg+0xcd/0x170
[ 1744.404046][   T72]      do_syscall_64+0xc6/0x1e0
[ 1744.404046][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1744.404046][   T72] 
[ 1744.405775][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1744.406023][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1744.406023][   T72]      netdev_get_by_index+0x5e/0x80
[ 1744.406023][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1744.406023][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1744.406023][   T72]      ip6_route_add+0x1c/0x140
[ 1744.406023][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1744.406023][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1744.406023][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1744.406023][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1744.406023][   T72]      netlink_rcv_skb+0x130/0x360
[ 1744.406023][   T72]      netlink_unicast+0x449/0x710
[ 1744.406023][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1744.406023][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1744.406023][   T72]      ___sys_sendmsg+0xee/0x170
[ 1744.406023][   T72]      __sys_sendmsg+0xcd/0x170
[ 1744.406023][   T72]      do_syscall_64+0xc6/0x1e0
[ 1744.406023][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1744.406023][   T72] 
[ 1744.408452][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1744.408452][   T72]      netdev_get_by_index+0x5e/0x80
[ 1744.408452][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1744.408452][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1744.408452][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1744.408452][   T72]      ipv6_add_addr+0x411/0x2000
[ 1744.408452][   T72]      inet6_addr_add+0x30e/0xa40
[ 1744.408452][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1744.408452][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1744.408452][   T72]      netlink_rcv_skb+0x130/0x360
[ 1744.408452][   T72]      netlink_unicast+0x449/0x710
[ 1744.408452][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1744.408452][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1744.408452][   T72]      ___sys_sendmsg+0xee/0x170
[ 1744.408452][   T72]      __sys_sendmsg+0xcd/0x170
[ 1744.408452][   T72]      do_syscall_64+0xc6/0x1e0
[ 1744.408452][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1744.408452][   T72] 
[ 1744.410704][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1744.410704][   T72]      netdev_get_by_index+0x5e/0x80
[ 1744.410704][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1744.410704][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1744.410704][   T72]      ip6_route_add+0x1c/0x140
[ 1744.410704][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1744.410704][   T72]      addrconf_add_dev+0xe2/0x170
[ 1744.410704][   T72]      inet6_addr_add+0x12f/0xa40
[ 1744.410704][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1744.410704][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1744.410704][   T72]      netlink_rcv_skb+0x130/0x360
[ 1744.410704][   T72]      netlink_unicast+0x449/0x710
[ 1744.410704][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1744.410704][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1744.410704][   T72]      ___sys_sendmsg+0xee/0x170
[ 1744.410704][   T72]      __sys_sendmsg+0xcd/0x170
[ 1744.410704][   T72]      do_syscall_64+0xc6/0x1e0
[ 1744.410704][   T72] 
[ 1744.412971][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1744.412971][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1744.412971][   T72]      ipv6_find_idev+0x102/0x170
[ 1744.412971][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1744.412971][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1744.412971][   T72]      netlink_rcv_skb+0x130/0x360
[ 1744.412971][   T72]      netlink_unicast+0x449/0x710
[ 1744.412971][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1744.412971][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1744.412971][   T72]      ___sys_sendmsg+0xee/0x170
[ 1744.412971][   T72]      __sys_sendmsg+0xcd/0x170
[ 1744.412971][   T72]      do_syscall_64+0xc6/0x1e0
[ 1744.412971][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1744.412971][   T72] 
[ 1744.414750][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1744.414750][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1744.414750][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1744.414750][   T72]      ipv6_find_idev+0x102/0x170
[ 1744.414750][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1744.414750][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1744.414750][   T72]      netlink_rcv_skb+0x130/0x360
[ 1744.414750][   T72]      netlink_unicast+0x449/0x710
[ 1744.414750][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1744.414750][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1744.414750][   T72]      ___sys_sendmsg+0xee/0x170
[ 1744.414750][   T72]      __sys_sendmsg+0xcd/0x170
[ 1744.414750][   T72]      do_syscall_64+0xc6/0x1e0
[ 1744.414750][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1744.414750][   T72] 
[ 1754.575953][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1754.576419][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1754.576419][   T72]      netdev_get_by_index+0x5e/0x80
[ 1754.576419][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1754.576419][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1754.576419][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1754.576419][   T72]      ipv6_add_addr+0x411/0x2000
[ 1754.576419][   T72]      inet6_addr_add+0x30e/0xa40
[ 1754.576419][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1754.576419][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1754.576419][   T72]      netlink_rcv_skb+0x130/0x360
[ 1754.576419][   T72]      netlink_unicast+0x449/0x710
[ 1754.576419][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1754.576419][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1754.576419][   T72]      ___sys_sendmsg+0xee/0x170
[ 1754.576419][   T72]      __sys_sendmsg+0xcd/0x170
[ 1754.576419][   T72]      do_syscall_64+0xc6/0x1e0
[ 1754.576419][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1754.576419][   T72] 
[ 1754.578569][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1754.578569][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1754.578569][   T72]      ipv6_find_idev+0x102/0x170
[ 1754.578569][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1754.578569][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1754.578569][   T72]      netlink_rcv_skb+0x130/0x360
[ 1754.578569][   T72]      netlink_unicast+0x449/0x710
[ 1754.578569][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1754.578569][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1754.578569][   T72]      ___sys_sendmsg+0xee/0x170
[ 1754.578569][   T72]      __sys_sendmsg+0xcd/0x170
[ 1754.578569][   T72]      do_syscall_64+0xc6/0x1e0
[ 1754.578569][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1754.578569][   T72] 
[ 1754.580134][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1754.580134][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1754.580134][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1754.580134][   T72]      ipv6_find_idev+0x102/0x170
[ 1754.580134][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1754.580134][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1754.580134][   T72]      netlink_rcv_skb+0x130/0x360
[ 1754.580134][   T72]      netlink_unicast+0x449/0x710
[ 1754.580134][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1754.580134][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1754.580134][   T72]      ___sys_sendmsg+0xee/0x170
[ 1754.580134][   T72]      __sys_sendmsg+0xcd/0x170
[ 1754.580134][   T72]      do_syscall_64+0xc6/0x1e0
[ 1754.580134][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1754.580134][   T72] 
[ 1754.581848][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1754.582106][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1754.582106][   T72]      netdev_get_by_index+0x5e/0x80
[ 1754.582106][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1754.582106][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1754.582106][   T72]      ip6_route_add+0x1c/0x140
[ 1754.582106][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1754.582106][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1754.582106][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1754.582106][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1754.582106][   T72]      netlink_rcv_skb+0x130/0x360
[ 1754.582106][   T72]      netlink_unicast+0x449/0x710
[ 1754.582106][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1754.582106][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1754.582106][   T72]      ___sys_sendmsg+0xee/0x170
[ 1754.582106][   T72]      __sys_sendmsg+0xcd/0x170
[ 1754.582106][   T72]      do_syscall_64+0xc6/0x1e0
[ 1754.582106][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1754.582106][   T72] 
[ 1754.584154][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1754.584154][   T72]      netdev_get_by_index+0x5e/0x80
[ 1754.584154][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1754.584154][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1754.584154][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1754.584154][   T72]      ipv6_add_addr+0x411/0x2000
[ 1754.584154][   T72]      inet6_addr_add+0x30e/0xa40
[ 1754.584154][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1754.584154][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1754.584154][   T72]      netlink_rcv_skb+0x130/0x360
[ 1754.584154][   T72]      netlink_unicast+0x449/0x710
[ 1754.584154][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1754.584154][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1754.584154][   T72]      ___sys_sendmsg+0xee/0x170
[ 1754.584154][   T72]      __sys_sendmsg+0xcd/0x170
[ 1754.584154][   T72]      do_syscall_64+0xc6/0x1e0
[ 1754.584154][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1754.584154][   T72] 
[ 1754.586184][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1754.586184][   T72]      netdev_get_by_index+0x5e/0x80
[ 1754.586184][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1754.586184][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1754.586184][   T72]      ip6_route_add+0x1c/0x140
[ 1754.586184][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1754.586184][   T72]      addrconf_add_dev+0xe2/0x170
[ 1754.586184][   T72]      inet6_addr_add+0x12f/0xa40
[ 1754.586184][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1754.586184][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1754.586184][   T72]      netlink_rcv_skb+0x130/0x360
[ 1754.586184][   T72]      netlink_unicast+0x449/0x710
[ 1754.586184][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1754.586184][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1754.586184][   T72]      ___sys_sendmsg+0xee/0x170
[ 1754.586184][   T72]      __sys_sendmsg+0xcd/0x170
[ 1754.586184][   T72]      do_syscall_64+0xc6/0x1e0
[ 1754.586184][   T72] 
[ 1754.588257][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1754.588257][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1754.588257][   T72]      ipv6_find_idev+0x102/0x170
[ 1754.588257][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1754.588257][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1754.588257][   T72]      netlink_rcv_skb+0x130/0x360
[ 1754.588257][   T72]      netlink_unicast+0x449/0x710
[ 1754.588257][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1754.588257][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1754.588257][   T72]      ___sys_sendmsg+0xee/0x170
[ 1754.588257][   T72]      __sys_sendmsg+0xcd/0x170
[ 1754.588257][   T72]      do_syscall_64+0xc6/0x1e0
[ 1754.588257][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1754.588257][   T72] 
[ 1754.590025][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1754.590025][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1754.590025][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1754.590025][   T72]      ipv6_find_idev+0x102/0x170
[ 1754.590025][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1754.590025][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1754.590025][   T72]      netlink_rcv_skb+0x130/0x360
[ 1754.590025][   T72]      netlink_unicast+0x449/0x710
[ 1754.590025][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1754.590025][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1754.590025][   T72]      ___sys_sendmsg+0xee/0x170
[ 1754.590025][   T72]      __sys_sendmsg+0xcd/0x170
[ 1754.590025][   T72]      do_syscall_64+0xc6/0x1e0
[ 1754.590025][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1754.590025][   T72] 
[ 1764.831875][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1764.832346][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1764.832346][   T72]      netdev_get_by_index+0x5e/0x80
[ 1764.832346][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1764.832346][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1764.832346][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1764.832346][   T72]      ipv6_add_addr+0x411/0x2000
[ 1764.832346][   T72]      inet6_addr_add+0x30e/0xa40
[ 1764.832346][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1764.832346][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1764.832346][   T72]      netlink_rcv_skb+0x130/0x360
[ 1764.832346][   T72]      netlink_unicast+0x449/0x710
[ 1764.832346][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1764.832346][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1764.832346][   T72]      ___sys_sendmsg+0xee/0x170
[ 1764.832346][   T72]      __sys_sendmsg+0xcd/0x170
[ 1764.832346][   T72]      do_syscall_64+0xc6/0x1e0
[ 1764.832346][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1764.832346][   T72] 
[ 1764.834416][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1764.834416][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1764.834416][   T72]      ipv6_find_idev+0x102/0x170
[ 1764.834416][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1764.834416][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1764.834416][   T72]      netlink_rcv_skb+0x130/0x360
[ 1764.834416][   T72]      netlink_unicast+0x449/0x710
[ 1764.834416][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1764.834416][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1764.834416][   T72]      ___sys_sendmsg+0xee/0x170
[ 1764.834416][   T72]      __sys_sendmsg+0xcd/0x170
[ 1764.834416][   T72]      do_syscall_64+0xc6/0x1e0
[ 1764.834416][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1764.834416][   T72] 
[ 1764.835984][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1764.835984][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1764.835984][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1764.835984][   T72]      ipv6_find_idev+0x102/0x170
[ 1764.835984][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1764.835984][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1764.835984][   T72]      netlink_rcv_skb+0x130/0x360
[ 1764.835984][   T72]      netlink_unicast+0x449/0x710
[ 1764.835984][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1764.835984][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1764.835984][   T72]      ___sys_sendmsg+0xee/0x170
[ 1764.835984][   T72]      __sys_sendmsg+0xcd/0x170
[ 1764.835984][   T72]      do_syscall_64+0xc6/0x1e0
[ 1764.835984][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1764.835984][   T72] 
[ 1764.837693][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1764.837954][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1764.837954][   T72]      netdev_get_by_index+0x5e/0x80
[ 1764.837954][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1764.837954][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1764.837954][   T72]      ip6_route_add+0x1c/0x140
[ 1764.837954][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1764.837954][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1764.837954][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1764.837954][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1764.837954][   T72]      netlink_rcv_skb+0x130/0x360
[ 1764.837954][   T72]      netlink_unicast+0x449/0x710
[ 1764.837954][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1764.837954][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1764.837954][   T72]      ___sys_sendmsg+0xee/0x170
[ 1764.837954][   T72]      __sys_sendmsg+0xcd/0x170
[ 1764.837954][   T72]      do_syscall_64+0xc6/0x1e0
[ 1764.837954][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1764.837954][   T72] 
[ 1764.839987][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1764.839987][   T72]      netdev_get_by_index+0x5e/0x80
[ 1764.839987][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1764.839987][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1764.839987][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1764.839987][   T72]      ipv6_add_addr+0x411/0x2000
[ 1764.839987][   T72]      inet6_addr_add+0x30e/0xa40
[ 1764.839987][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1764.839987][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1764.839987][   T72]      netlink_rcv_skb+0x130/0x360
[ 1764.839987][   T72]      netlink_unicast+0x449/0x710
[ 1764.839987][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1764.839987][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1764.839987][   T72]      ___sys_sendmsg+0xee/0x170
[ 1764.839987][   T72]      __sys_sendmsg+0xcd/0x170
[ 1764.839987][   T72]      do_syscall_64+0xc6/0x1e0
[ 1764.839987][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1764.839987][   T72] 
[ 1764.842017][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1764.842017][   T72]      netdev_get_by_index+0x5e/0x80
[ 1764.842017][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1764.842017][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1764.842017][   T72]      ip6_route_add+0x1c/0x140
[ 1764.842017][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1764.842017][   T72]      addrconf_add_dev+0xe2/0x170
[ 1764.842017][   T72]      inet6_addr_add+0x12f/0xa40
[ 1764.842017][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1764.842017][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1764.842017][   T72]      netlink_rcv_skb+0x130/0x360
[ 1764.842017][   T72]      netlink_unicast+0x449/0x710
[ 1764.842017][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1764.842017][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1764.842017][   T72]      ___sys_sendmsg+0xee/0x170
[ 1764.842017][   T72]      __sys_sendmsg+0xcd/0x170
[ 1764.842017][   T72]      do_syscall_64+0xc6/0x1e0
[ 1764.842017][   T72] 
[ 1764.844004][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1764.844004][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1764.844004][   T72]      ipv6_find_idev+0x102/0x170
[ 1764.844004][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1764.844004][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1764.844004][   T72]      netlink_rcv_skb+0x130/0x360
[ 1764.844004][   T72]      netlink_unicast+0x449/0x710
[ 1764.844004][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1764.844004][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1764.844004][   T72]      ___sys_sendmsg+0xee/0x170
[ 1764.844004][   T72]      __sys_sendmsg+0xcd/0x170
[ 1764.844004][   T72]      do_syscall_64+0xc6/0x1e0
[ 1764.844004][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1764.844004][   T72] 
[ 1764.845563][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1764.845563][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1764.845563][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1764.845563][   T72]      ipv6_find_idev+0x102/0x170
[ 1764.845563][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1764.845563][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1764.845563][   T72]      netlink_rcv_skb+0x130/0x360
[ 1764.845563][   T72]      netlink_unicast+0x449/0x710
[ 1764.845563][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1764.845563][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1764.845563][   T72]      ___sys_sendmsg+0xee/0x170
[ 1764.845563][   T72]      __sys_sendmsg+0xcd/0x170
[ 1764.845563][   T72]      do_syscall_64+0xc6/0x1e0
[ 1764.845563][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1764.845563][   T72] 
[ 1774.991892][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1774.992376][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1774.992376][   T72]      netdev_get_by_index+0x5e/0x80
[ 1774.992376][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1774.992376][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1774.992376][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1774.992376][   T72]      ipv6_add_addr+0x411/0x2000
[ 1774.992376][   T72]      inet6_addr_add+0x30e/0xa40
[ 1774.992376][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1774.992376][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1774.992376][   T72]      netlink_rcv_skb+0x130/0x360
[ 1774.992376][   T72]      netlink_unicast+0x449/0x710
[ 1774.992376][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1774.992376][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1774.992376][   T72]      ___sys_sendmsg+0xee/0x170
[ 1774.992376][   T72]      __sys_sendmsg+0xcd/0x170
[ 1774.992376][   T72]      do_syscall_64+0xc6/0x1e0
[ 1774.992376][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1774.992376][   T72] 
[ 1774.994438][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1774.994438][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1774.994438][   T72]      ipv6_find_idev+0x102/0x170
[ 1774.994438][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1774.994438][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1774.994438][   T72]      netlink_rcv_skb+0x130/0x360
[ 1774.994438][   T72]      netlink_unicast+0x449/0x710
[ 1774.994438][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1774.994438][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1774.994438][   T72]      ___sys_sendmsg+0xee/0x170
[ 1774.994438][   T72]      __sys_sendmsg+0xcd/0x170
[ 1774.994438][   T72]      do_syscall_64+0xc6/0x1e0
[ 1774.994438][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1774.994438][   T72] 
[ 1774.995999][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1774.995999][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1774.995999][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1774.995999][   T72]      ipv6_find_idev+0x102/0x170
[ 1774.995999][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1774.995999][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1774.995999][   T72]      netlink_rcv_skb+0x130/0x360
[ 1774.995999][   T72]      netlink_unicast+0x449/0x710
[ 1774.995999][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1774.995999][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1774.995999][   T72]      ___sys_sendmsg+0xee/0x170
[ 1774.995999][   T72]      __sys_sendmsg+0xcd/0x170
[ 1774.995999][   T72]      do_syscall_64+0xc6/0x1e0
[ 1774.995999][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1774.995999][   T72] 
[ 1774.997707][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1774.997965][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1774.997965][   T72]      netdev_get_by_index+0x5e/0x80
[ 1774.997965][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1774.997965][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1774.997965][   T72]      ip6_route_add+0x1c/0x140
[ 1774.997965][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1774.997965][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1774.997965][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1774.997965][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1774.997965][   T72]      netlink_rcv_skb+0x130/0x360
[ 1774.997965][   T72]      netlink_unicast+0x449/0x710
[ 1774.997965][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1774.997965][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1774.997965][   T72]      ___sys_sendmsg+0xee/0x170
[ 1774.997965][   T72]      __sys_sendmsg+0xcd/0x170
[ 1774.997965][   T72]      do_syscall_64+0xc6/0x1e0
[ 1774.997965][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1774.997965][   T72] 
[ 1775.000072][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1775.000072][   T72]      netdev_get_by_index+0x5e/0x80
[ 1775.000072][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1775.000072][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1775.000072][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1775.000072][   T72]      ipv6_add_addr+0x411/0x2000
[ 1775.000072][   T72]      inet6_addr_add+0x30e/0xa40
[ 1775.000072][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1775.000072][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.000072][   T72]      netlink_rcv_skb+0x130/0x360
[ 1775.000072][   T72]      netlink_unicast+0x449/0x710
[ 1775.000072][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1775.000072][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.000072][   T72]      ___sys_sendmsg+0xee/0x170
[ 1775.000072][   T72]      __sys_sendmsg+0xcd/0x170
[ 1775.000072][   T72]      do_syscall_64+0xc6/0x1e0
[ 1775.000072][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1775.000072][   T72] 
[ 1775.002134][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1775.002134][   T72]      netdev_get_by_index+0x5e/0x80
[ 1775.002134][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1775.002134][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1775.002134][   T72]      ip6_route_add+0x1c/0x140
[ 1775.002134][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1775.002134][   T72]      addrconf_add_dev+0xe2/0x170
[ 1775.002134][   T72]      inet6_addr_add+0x12f/0xa40
[ 1775.002134][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1775.002134][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.002134][   T72]      netlink_rcv_skb+0x130/0x360
[ 1775.002134][   T72]      netlink_unicast+0x449/0x710
[ 1775.002134][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1775.002134][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.002134][   T72]      ___sys_sendmsg+0xee/0x170
[ 1775.002134][   T72]      __sys_sendmsg+0xcd/0x170
[ 1775.002134][   T72]      do_syscall_64+0xc6/0x1e0
[ 1775.002134][   T72] 
[ 1775.004122][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1775.004122][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1775.004122][   T72]      ipv6_find_idev+0x102/0x170
[ 1775.004122][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1775.004122][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.004122][   T72]      netlink_rcv_skb+0x130/0x360
[ 1775.004122][   T72]      netlink_unicast+0x449/0x710
[ 1775.004122][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1775.004122][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.004122][   T72]      ___sys_sendmsg+0xee/0x170
[ 1775.004122][   T72]      __sys_sendmsg+0xcd/0x170
[ 1775.004122][   T72]      do_syscall_64+0xc6/0x1e0
[ 1775.004122][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1775.004122][   T72] 
[ 1775.005679][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1775.005679][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1775.005679][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1775.005679][   T72]      ipv6_find_idev+0x102/0x170
[ 1775.005679][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1775.005679][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1775.005679][   T72]      netlink_rcv_skb+0x130/0x360
[ 1775.005679][   T72]      netlink_unicast+0x449/0x710
[ 1775.005679][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1775.005679][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1775.005679][   T72]      ___sys_sendmsg+0xee/0x170
[ 1775.005679][   T72]      __sys_sendmsg+0xcd/0x170
[ 1775.005679][   T72]      do_syscall_64+0xc6/0x1e0
[ 1775.005679][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1775.005679][   T72] 
[ 1785.247931][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1785.248403][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1785.248403][   T72]      netdev_get_by_index+0x5e/0x80
[ 1785.248403][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1785.248403][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1785.248403][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1785.248403][   T72]      ipv6_add_addr+0x411/0x2000
[ 1785.248403][   T72]      inet6_addr_add+0x30e/0xa40
[ 1785.248403][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1785.248403][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.248403][   T72]      netlink_rcv_skb+0x130/0x360
[ 1785.248403][   T72]      netlink_unicast+0x449/0x710
[ 1785.248403][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1785.248403][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.248403][   T72]      ___sys_sendmsg+0xee/0x170
[ 1785.248403][   T72]      __sys_sendmsg+0xcd/0x170
[ 1785.248403][   T72]      do_syscall_64+0xc6/0x1e0
[ 1785.248403][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.248403][   T72] 
[ 1785.250447][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1785.250447][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1785.250447][   T72]      ipv6_find_idev+0x102/0x170
[ 1785.250447][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1785.250447][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.250447][   T72]      netlink_rcv_skb+0x130/0x360
[ 1785.250447][   T72]      netlink_unicast+0x449/0x710
[ 1785.250447][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1785.250447][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.250447][   T72]      ___sys_sendmsg+0xee/0x170
[ 1785.250447][   T72]      __sys_sendmsg+0xcd/0x170
[ 1785.250447][   T72]      do_syscall_64+0xc6/0x1e0
[ 1785.250447][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.250447][   T72] 
[ 1785.252021][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1785.252021][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1785.252021][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1785.252021][   T72]      ipv6_find_idev+0x102/0x170
[ 1785.252021][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1785.252021][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.252021][   T72]      netlink_rcv_skb+0x130/0x360
[ 1785.252021][   T72]      netlink_unicast+0x449/0x710
[ 1785.252021][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1785.252021][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.252021][   T72]      ___sys_sendmsg+0xee/0x170
[ 1785.252021][   T72]      __sys_sendmsg+0xcd/0x170
[ 1785.252021][   T72]      do_syscall_64+0xc6/0x1e0
[ 1785.252021][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.252021][   T72] 
[ 1785.253771][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1785.254018][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1785.254018][   T72]      netdev_get_by_index+0x5e/0x80
[ 1785.254018][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1785.254018][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1785.254018][   T72]      ip6_route_add+0x1c/0x140
[ 1785.254018][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1785.254018][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1785.254018][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1785.254018][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.254018][   T72]      netlink_rcv_skb+0x130/0x360
[ 1785.254018][   T72]      netlink_unicast+0x449/0x710
[ 1785.254018][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1785.254018][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.254018][   T72]      ___sys_sendmsg+0xee/0x170
[ 1785.254018][   T72]      __sys_sendmsg+0xcd/0x170
[ 1785.254018][   T72]      do_syscall_64+0xc6/0x1e0
[ 1785.254018][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.254018][   T72] 
[ 1785.256041][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1785.256041][   T72]      netdev_get_by_index+0x5e/0x80
[ 1785.256041][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1785.256041][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1785.256041][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1785.256041][   T72]      ipv6_add_addr+0x411/0x2000
[ 1785.256041][   T72]      inet6_addr_add+0x30e/0xa40
[ 1785.256041][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1785.256041][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.256041][   T72]      netlink_rcv_skb+0x130/0x360
[ 1785.256041][   T72]      netlink_unicast+0x449/0x710
[ 1785.256041][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1785.256041][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.256041][   T72]      ___sys_sendmsg+0xee/0x170
[ 1785.256041][   T72]      __sys_sendmsg+0xcd/0x170
[ 1785.256041][   T72]      do_syscall_64+0xc6/0x1e0
[ 1785.256041][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.256041][   T72] 
[ 1785.258071][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1785.258071][   T72]      netdev_get_by_index+0x5e/0x80
[ 1785.258071][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1785.258071][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1785.258071][   T72]      ip6_route_add+0x1c/0x140
[ 1785.258071][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1785.258071][   T72]      addrconf_add_dev+0xe2/0x170
[ 1785.258071][   T72]      inet6_addr_add+0x12f/0xa40
[ 1785.258071][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1785.258071][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.258071][   T72]      netlink_rcv_skb+0x130/0x360
[ 1785.258071][   T72]      netlink_unicast+0x449/0x710
[ 1785.258071][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1785.258071][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.258071][   T72]      ___sys_sendmsg+0xee/0x170
[ 1785.258071][   T72]      __sys_sendmsg+0xcd/0x170
[ 1785.258071][   T72]      do_syscall_64+0xc6/0x1e0
[ 1785.258071][   T72] 
[ 1785.260071][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1785.260071][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1785.260071][   T72]      ipv6_find_idev+0x102/0x170
[ 1785.260071][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1785.260071][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.260071][   T72]      netlink_rcv_skb+0x130/0x360
[ 1785.260071][   T72]      netlink_unicast+0x449/0x710
[ 1785.260071][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1785.260071][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.260071][   T72]      ___sys_sendmsg+0xee/0x170
[ 1785.260071][   T72]      __sys_sendmsg+0xcd/0x170
[ 1785.260071][   T72]      do_syscall_64+0xc6/0x1e0
[ 1785.260071][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.260071][   T72] 
[ 1785.261652][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1785.261652][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1785.261652][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1785.261652][   T72]      ipv6_find_idev+0x102/0x170
[ 1785.261652][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1785.261652][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1785.261652][   T72]      netlink_rcv_skb+0x130/0x360
[ 1785.261652][   T72]      netlink_unicast+0x449/0x710
[ 1785.261652][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1785.261652][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1785.261652][   T72]      ___sys_sendmsg+0xee/0x170
[ 1785.261652][   T72]      __sys_sendmsg+0xcd/0x170
[ 1785.261652][   T72]      do_syscall_64+0xc6/0x1e0
[ 1785.261652][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1785.261652][   T72] 
[ 1795.503864][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1795.504339][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1795.504339][   T72]      netdev_get_by_index+0x5e/0x80
[ 1795.504339][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1795.504339][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1795.504339][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1795.504339][   T72]      ipv6_add_addr+0x411/0x2000
[ 1795.504339][   T72]      inet6_addr_add+0x30e/0xa40
[ 1795.504339][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1795.504339][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1795.504339][   T72]      netlink_rcv_skb+0x130/0x360
[ 1795.504339][   T72]      netlink_unicast+0x449/0x710
[ 1795.504339][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1795.504339][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1795.504339][   T72]      ___sys_sendmsg+0xee/0x170
[ 1795.504339][   T72]      __sys_sendmsg+0xcd/0x170
[ 1795.504339][   T72]      do_syscall_64+0xc6/0x1e0
[ 1795.504339][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1795.504339][   T72] 
[ 1795.506455][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1795.506455][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1795.506455][   T72]      ipv6_find_idev+0x102/0x170
[ 1795.506455][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1795.506455][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1795.506455][   T72]      netlink_rcv_skb+0x130/0x360
[ 1795.506455][   T72]      netlink_unicast+0x449/0x710
[ 1795.506455][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1795.506455][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1795.506455][   T72]      ___sys_sendmsg+0xee/0x170
[ 1795.506455][   T72]      __sys_sendmsg+0xcd/0x170
[ 1795.506455][   T72]      do_syscall_64+0xc6/0x1e0
[ 1795.506455][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1795.506455][   T72] 
[ 1795.508068][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1795.508068][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1795.508068][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1795.508068][   T72]      ipv6_find_idev+0x102/0x170
[ 1795.508068][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1795.508068][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1795.508068][   T72]      netlink_rcv_skb+0x130/0x360
[ 1795.508068][   T72]      netlink_unicast+0x449/0x710
[ 1795.508068][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1795.508068][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1795.508068][   T72]      ___sys_sendmsg+0xee/0x170
[ 1795.508068][   T72]      __sys_sendmsg+0xcd/0x170
[ 1795.508068][   T72]      do_syscall_64+0xc6/0x1e0
[ 1795.508068][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1795.508068][   T72] 
[ 1795.509802][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1795.510064][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1795.510064][   T72]      netdev_get_by_index+0x5e/0x80
[ 1795.510064][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1795.510064][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1795.510064][   T72]      ip6_route_add+0x1c/0x140
[ 1795.510064][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1795.510064][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1795.510064][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1795.510064][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1795.510064][   T72]      netlink_rcv_skb+0x130/0x360
[ 1795.510064][   T72]      netlink_unicast+0x449/0x710
[ 1795.510064][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1795.510064][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1795.510064][   T72]      ___sys_sendmsg+0xee/0x170
[ 1795.510064][   T72]      __sys_sendmsg+0xcd/0x170
[ 1795.510064][   T72]      do_syscall_64+0xc6/0x1e0
[ 1795.510064][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1795.510064][   T72] 
[ 1795.512098][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1795.512098][   T72]      netdev_get_by_index+0x5e/0x80
[ 1795.512098][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1795.512098][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1795.512098][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1795.512098][   T72]      ipv6_add_addr+0x411/0x2000
[ 1795.512098][   T72]      inet6_addr_add+0x30e/0xa40
[ 1795.512098][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1795.512098][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1795.512098][   T72]      netlink_rcv_skb+0x130/0x360
[ 1795.512098][   T72]      netlink_unicast+0x449/0x710
[ 1795.512098][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1795.512098][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1795.512098][   T72]      ___sys_sendmsg+0xee/0x170
[ 1795.512098][   T72]      __sys_sendmsg+0xcd/0x170
[ 1795.512098][   T72]      do_syscall_64+0xc6/0x1e0
[ 1795.512098][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1795.512098][   T72] 
[ 1795.514124][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1795.514124][   T72]      netdev_get_by_index+0x5e/0x80
[ 1795.514124][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1795.514124][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1795.514124][   T72]      ip6_route_add+0x1c/0x140
[ 1795.514124][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1795.514124][   T72]      addrconf_add_dev+0xe2/0x170
[ 1795.514124][   T72]      inet6_addr_add+0x12f/0xa40
[ 1795.514124][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1795.514124][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1795.514124][   T72]      netlink_rcv_skb+0x130/0x360
[ 1795.514124][   T72]      netlink_unicast+0x449/0x710
[ 1795.514124][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1795.514124][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1795.514124][   T72]      ___sys_sendmsg+0xee/0x170
[ 1795.514124][   T72]      __sys_sendmsg+0xcd/0x170
[ 1795.514124][   T72]      do_syscall_64+0xc6/0x1e0
[ 1795.514124][   T72] 
[ 1795.516106][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1795.516106][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1795.516106][   T72]      ipv6_find_idev+0x102/0x170
[ 1795.516106][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1795.516106][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1795.516106][   T72]      netlink_rcv_skb+0x130/0x360
[ 1795.516106][   T72]      netlink_unicast+0x449/0x710
[ 1795.516106][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1795.516106][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1795.516106][   T72]      ___sys_sendmsg+0xee/0x170
[ 1795.516106][   T72]      __sys_sendmsg+0xcd/0x170
[ 1795.516106][   T72]      do_syscall_64+0xc6/0x1e0
[ 1795.516106][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1795.516106][   T72] 
[ 1795.517658][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1795.517658][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1795.517658][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1795.517658][   T72]      ipv6_find_idev+0x102/0x170
[ 1795.517658][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1795.517658][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1795.517658][   T72]      netlink_rcv_skb+0x130/0x360
[ 1795.517658][   T72]      netlink_unicast+0x449/0x710
[ 1795.517658][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1795.517658][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1795.517658][   T72]      ___sys_sendmsg+0xee/0x170
[ 1795.517658][   T72]      __sys_sendmsg+0xcd/0x170
[ 1795.517658][   T72]      do_syscall_64+0xc6/0x1e0
[ 1795.517658][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1795.517658][   T72] 
[ 1805.759935][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1805.760363][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1805.760363][   T72]      netdev_get_by_index+0x5e/0x80
[ 1805.760363][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1805.760363][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1805.760363][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1805.760363][   T72]      ipv6_add_addr+0x411/0x2000
[ 1805.760363][   T72]      inet6_addr_add+0x30e/0xa40
[ 1805.760363][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1805.760363][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1805.760363][   T72]      netlink_rcv_skb+0x130/0x360
[ 1805.760363][   T72]      netlink_unicast+0x449/0x710
[ 1805.760363][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1805.760363][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1805.760363][   T72]      ___sys_sendmsg+0xee/0x170
[ 1805.760363][   T72]      __sys_sendmsg+0xcd/0x170
[ 1805.760363][   T72]      do_syscall_64+0xc6/0x1e0
[ 1805.760363][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1805.760363][   T72] 
[ 1805.762435][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1805.762435][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1805.762435][   T72]      ipv6_find_idev+0x102/0x170
[ 1805.762435][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1805.762435][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1805.762435][   T72]      netlink_rcv_skb+0x130/0x360
[ 1805.762435][   T72]      netlink_unicast+0x449/0x710
[ 1805.762435][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1805.762435][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1805.762435][   T72]      ___sys_sendmsg+0xee/0x170
[ 1805.762435][   T72]      __sys_sendmsg+0xcd/0x170
[ 1805.762435][   T72]      do_syscall_64+0xc6/0x1e0
[ 1805.762435][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1805.762435][   T72] 
[ 1805.764057][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1805.764057][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1805.764057][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1805.764057][   T72]      ipv6_find_idev+0x102/0x170
[ 1805.764057][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1805.764057][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1805.764057][   T72]      netlink_rcv_skb+0x130/0x360
[ 1805.764057][   T72]      netlink_unicast+0x449/0x710
[ 1805.764057][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1805.764057][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1805.764057][   T72]      ___sys_sendmsg+0xee/0x170
[ 1805.764057][   T72]      __sys_sendmsg+0xcd/0x170
[ 1805.764057][   T72]      do_syscall_64+0xc6/0x1e0
[ 1805.764057][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1805.764057][   T72] 
[ 1805.765787][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1805.766587][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1805.766587][   T72]      netdev_get_by_index+0x5e/0x80
[ 1805.766587][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1805.766587][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1805.766587][   T72]      ip6_route_add+0x1c/0x140
[ 1805.766587][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1805.766587][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1805.766587][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1805.766587][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1805.766587][   T72]      netlink_rcv_skb+0x130/0x360
[ 1805.766587][   T72]      netlink_unicast+0x449/0x710
[ 1805.766587][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1805.766587][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1805.766587][   T72]      ___sys_sendmsg+0xee/0x170
[ 1805.766587][   T72]      __sys_sendmsg+0xcd/0x170
[ 1805.766587][   T72]      do_syscall_64+0xc6/0x1e0
[ 1805.766587][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1805.766587][   T72] 
[ 1805.768643][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1805.768643][   T72]      netdev_get_by_index+0x5e/0x80
[ 1805.768643][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1805.768643][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1805.768643][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1805.768643][   T72]      ipv6_add_addr+0x411/0x2000
[ 1805.768643][   T72]      inet6_addr_add+0x30e/0xa40
[ 1805.768643][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1805.768643][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1805.768643][   T72]      netlink_rcv_skb+0x130/0x360
[ 1805.768643][   T72]      netlink_unicast+0x449/0x710
[ 1805.768643][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1805.768643][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1805.768643][   T72]      ___sys_sendmsg+0xee/0x170
[ 1805.768643][   T72]      __sys_sendmsg+0xcd/0x170
[ 1805.768643][   T72]      do_syscall_64+0xc6/0x1e0
[ 1805.768643][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1805.768643][   T72] 
[ 1805.770679][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1805.770679][   T72]      netdev_get_by_index+0x5e/0x80
[ 1805.770679][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1805.770679][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1805.770679][   T72]      ip6_route_add+0x1c/0x140
[ 1805.770679][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1805.770679][   T72]      addrconf_add_dev+0xe2/0x170
[ 1805.770679][   T72]      inet6_addr_add+0x12f/0xa40
[ 1805.770679][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1805.770679][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1805.770679][   T72]      netlink_rcv_skb+0x130/0x360
[ 1805.770679][   T72]      netlink_unicast+0x449/0x710
[ 1805.770679][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1805.770679][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1805.770679][   T72]      ___sys_sendmsg+0xee/0x170
[ 1805.770679][   T72]      __sys_sendmsg+0xcd/0x170
[ 1805.770679][   T72]      do_syscall_64+0xc6/0x1e0
[ 1805.770679][   T72] 
[ 1805.772693][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1805.772693][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1805.772693][   T72]      ipv6_find_idev+0x102/0x170
[ 1805.772693][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1805.772693][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1805.772693][   T72]      netlink_rcv_skb+0x130/0x360
[ 1805.772693][   T72]      netlink_unicast+0x449/0x710
[ 1805.772693][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1805.772693][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1805.772693][   T72]      ___sys_sendmsg+0xee/0x170
[ 1805.772693][   T72]      __sys_sendmsg+0xcd/0x170
[ 1805.772693][   T72]      do_syscall_64+0xc6/0x1e0
[ 1805.772693][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1805.772693][   T72] 
[ 1805.774263][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1805.774263][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1805.774263][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1805.774263][   T72]      ipv6_find_idev+0x102/0x170
[ 1805.774263][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1805.774263][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1805.774263][   T72]      netlink_rcv_skb+0x130/0x360
[ 1805.774263][   T72]      netlink_unicast+0x449/0x710
[ 1805.774263][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1805.774263][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1805.774263][   T72]      ___sys_sendmsg+0xee/0x170
[ 1805.774263][   T72]      __sys_sendmsg+0xcd/0x170
[ 1805.774263][   T72]      do_syscall_64+0xc6/0x1e0
[ 1805.774263][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1805.774263][   T72] 
[ 1815.799876][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1815.800278][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1815.800278][   T72]      netdev_get_by_index+0x5e/0x80
[ 1815.800278][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1815.800278][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1815.800278][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1815.800278][   T72]      ipv6_add_addr+0x411/0x2000
[ 1815.800278][   T72]      inet6_addr_add+0x30e/0xa40
[ 1815.800278][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1815.800278][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1815.800278][   T72]      netlink_rcv_skb+0x130/0x360
[ 1815.800278][   T72]      netlink_unicast+0x449/0x710
[ 1815.800278][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1815.800278][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1815.800278][   T72]      ___sys_sendmsg+0xee/0x170
[ 1815.800278][   T72]      __sys_sendmsg+0xcd/0x170
[ 1815.800278][   T72]      do_syscall_64+0xc6/0x1e0
[ 1815.800278][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1815.800278][   T72] 
[ 1815.802349][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1815.802349][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1815.802349][   T72]      ipv6_find_idev+0x102/0x170
[ 1815.802349][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1815.802349][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1815.802349][   T72]      netlink_rcv_skb+0x130/0x360
[ 1815.802349][   T72]      netlink_unicast+0x449/0x710
[ 1815.802349][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1815.802349][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1815.802349][   T72]      ___sys_sendmsg+0xee/0x170
[ 1815.802349][   T72]      __sys_sendmsg+0xcd/0x170
[ 1815.802349][   T72]      do_syscall_64+0xc6/0x1e0
[ 1815.802349][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1815.802349][   T72] 
[ 1815.803977][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1815.803977][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1815.803977][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1815.803977][   T72]      ipv6_find_idev+0x102/0x170
[ 1815.803977][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1815.803977][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1815.803977][   T72]      netlink_rcv_skb+0x130/0x360
[ 1815.803977][   T72]      netlink_unicast+0x449/0x710
[ 1815.803977][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1815.803977][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1815.803977][   T72]      ___sys_sendmsg+0xee/0x170
[ 1815.803977][   T72]      __sys_sendmsg+0xcd/0x170
[ 1815.803977][   T72]      do_syscall_64+0xc6/0x1e0
[ 1815.803977][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1815.803977][   T72] 
[ 1815.805720][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1815.805990][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1815.805990][   T72]      netdev_get_by_index+0x5e/0x80
[ 1815.805990][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1815.805990][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1815.805990][   T72]      ip6_route_add+0x1c/0x140
[ 1815.805990][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1815.805990][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1815.805990][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1815.805990][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1815.805990][   T72]      netlink_rcv_skb+0x130/0x360
[ 1815.805990][   T72]      netlink_unicast+0x449/0x710
[ 1815.805990][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1815.805990][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1815.805990][   T72]      ___sys_sendmsg+0xee/0x170
[ 1815.805990][   T72]      __sys_sendmsg+0xcd/0x170
[ 1815.805990][   T72]      do_syscall_64+0xc6/0x1e0
[ 1815.805990][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1815.805990][   T72] 
[ 1815.808068][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1815.808068][   T72]      netdev_get_by_index+0x5e/0x80
[ 1815.808068][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1815.808068][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1815.808068][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1815.808068][   T72]      ipv6_add_addr+0x411/0x2000
[ 1815.808068][   T72]      inet6_addr_add+0x30e/0xa40
[ 1815.808068][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1815.808068][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1815.808068][   T72]      netlink_rcv_skb+0x130/0x360
[ 1815.808068][   T72]      netlink_unicast+0x449/0x710
[ 1815.808068][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1815.808068][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1815.808068][   T72]      ___sys_sendmsg+0xee/0x170
[ 1815.808068][   T72]      __sys_sendmsg+0xcd/0x170
[ 1815.808068][   T72]      do_syscall_64+0xc6/0x1e0
[ 1815.808068][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1815.808068][   T72] 
[ 1815.810155][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1815.810155][   T72]      netdev_get_by_index+0x5e/0x80
[ 1815.810155][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1815.810155][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1815.810155][   T72]      ip6_route_add+0x1c/0x140
[ 1815.810155][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1815.810155][   T72]      addrconf_add_dev+0xe2/0x170
[ 1815.810155][   T72]      inet6_addr_add+0x12f/0xa40
[ 1815.810155][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1815.810155][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1815.810155][   T72]      netlink_rcv_skb+0x130/0x360
[ 1815.810155][   T72]      netlink_unicast+0x449/0x710
[ 1815.810155][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1815.810155][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1815.810155][   T72]      ___sys_sendmsg+0xee/0x170
[ 1815.810155][   T72]      __sys_sendmsg+0xcd/0x170
[ 1815.810155][   T72]      do_syscall_64+0xc6/0x1e0
[ 1815.810155][   T72] 
[ 1815.812243][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1815.812243][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1815.812243][   T72]      ipv6_find_idev+0x102/0x170
[ 1815.812243][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1815.812243][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1815.812243][   T72]      netlink_rcv_skb+0x130/0x360
[ 1815.812243][   T72]      netlink_unicast+0x449/0x710
[ 1815.812243][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1815.812243][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1815.812243][   T72]      ___sys_sendmsg+0xee/0x170
[ 1815.812243][   T72]      __sys_sendmsg+0xcd/0x170
[ 1815.812243][   T72]      do_syscall_64+0xc6/0x1e0
[ 1815.812243][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1815.812243][   T72] 
[ 1815.814246][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1815.814246][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1815.814246][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1815.814246][   T72]      ipv6_find_idev+0x102/0x170
[ 1815.814246][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1815.814246][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1815.814246][   T72]      netlink_rcv_skb+0x130/0x360
[ 1815.814246][   T72]      netlink_unicast+0x449/0x710
[ 1815.814246][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1815.814246][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1815.814246][   T72]      ___sys_sendmsg+0xee/0x170
[ 1815.814246][   T72]      __sys_sendmsg+0xcd/0x170
[ 1815.814246][   T72]      do_syscall_64+0xc6/0x1e0
[ 1815.814246][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1815.814246][   T72] 
[ 1825.823826][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1825.824372][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1825.824372][   T72]      netdev_get_by_index+0x5e/0x80
[ 1825.824372][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1825.824372][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1825.824372][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1825.824372][   T72]      ipv6_add_addr+0x411/0x2000
[ 1825.824372][   T72]      inet6_addr_add+0x30e/0xa40
[ 1825.824372][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1825.824372][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1825.824372][   T72]      netlink_rcv_skb+0x130/0x360
[ 1825.824372][   T72]      netlink_unicast+0x449/0x710
[ 1825.824372][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1825.824372][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1825.824372][   T72]      ___sys_sendmsg+0xee/0x170
[ 1825.824372][   T72]      __sys_sendmsg+0xcd/0x170
[ 1825.824372][   T72]      do_syscall_64+0xc6/0x1e0
[ 1825.824372][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1825.824372][   T72] 
[ 1825.826466][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1825.826466][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1825.826466][   T72]      ipv6_find_idev+0x102/0x170
[ 1825.826466][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1825.826466][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1825.826466][   T72]      netlink_rcv_skb+0x130/0x360
[ 1825.826466][   T72]      netlink_unicast+0x449/0x710
[ 1825.826466][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1825.826466][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1825.826466][   T72]      ___sys_sendmsg+0xee/0x170
[ 1825.826466][   T72]      __sys_sendmsg+0xcd/0x170
[ 1825.826466][   T72]      do_syscall_64+0xc6/0x1e0
[ 1825.826466][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1825.826466][   T72] 
[ 1825.828049][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1825.828049][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1825.828049][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1825.828049][   T72]      ipv6_find_idev+0x102/0x170
[ 1825.828049][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1825.828049][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1825.828049][   T72]      netlink_rcv_skb+0x130/0x360
[ 1825.828049][   T72]      netlink_unicast+0x449/0x710
[ 1825.828049][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1825.828049][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1825.828049][   T72]      ___sys_sendmsg+0xee/0x170
[ 1825.828049][   T72]      __sys_sendmsg+0xcd/0x170
[ 1825.828049][   T72]      do_syscall_64+0xc6/0x1e0
[ 1825.828049][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1825.828049][   T72] 
[ 1825.829817][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1825.830073][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1825.830073][   T72]      netdev_get_by_index+0x5e/0x80
[ 1825.830073][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1825.830073][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1825.830073][   T72]      ip6_route_add+0x1c/0x140
[ 1825.830073][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1825.830073][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1825.830073][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1825.830073][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1825.830073][   T72]      netlink_rcv_skb+0x130/0x360
[ 1825.830073][   T72]      netlink_unicast+0x449/0x710
[ 1825.830073][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1825.830073][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1825.830073][   T72]      ___sys_sendmsg+0xee/0x170
[ 1825.830073][   T72]      __sys_sendmsg+0xcd/0x170
[ 1825.830073][   T72]      do_syscall_64+0xc6/0x1e0
[ 1825.830073][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1825.830073][   T72] 
[ 1825.832125][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1825.832125][   T72]      netdev_get_by_index+0x5e/0x80
[ 1825.832125][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1825.832125][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1825.832125][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1825.832125][   T72]      ipv6_add_addr+0x411/0x2000
[ 1825.832125][   T72]      inet6_addr_add+0x30e/0xa40
[ 1825.832125][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1825.832125][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1825.832125][   T72]      netlink_rcv_skb+0x130/0x360
[ 1825.832125][   T72]      netlink_unicast+0x449/0x710
[ 1825.832125][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1825.832125][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1825.832125][   T72]      ___sys_sendmsg+0xee/0x170
[ 1825.832125][   T72]      __sys_sendmsg+0xcd/0x170
[ 1825.832125][   T72]      do_syscall_64+0xc6/0x1e0
[ 1825.832125][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1825.832125][   T72] 
[ 1825.834175][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1825.834175][   T72]      netdev_get_by_index+0x5e/0x80
[ 1825.834175][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1825.834175][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1825.834175][   T72]      ip6_route_add+0x1c/0x140
[ 1825.834175][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1825.834175][   T72]      addrconf_add_dev+0xe2/0x170
[ 1825.834175][   T72]      inet6_addr_add+0x12f/0xa40
[ 1825.834175][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1825.834175][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1825.834175][   T72]      netlink_rcv_skb+0x130/0x360
[ 1825.834175][   T72]      netlink_unicast+0x449/0x710
[ 1825.834175][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1825.834175][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1825.834175][   T72]      ___sys_sendmsg+0xee/0x170
[ 1825.834175][   T72]      __sys_sendmsg+0xcd/0x170
[ 1825.834175][   T72]      do_syscall_64+0xc6/0x1e0
[ 1825.834175][   T72] 
[ 1825.836187][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1825.836187][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1825.836187][   T72]      ipv6_find_idev+0x102/0x170
[ 1825.836187][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1825.836187][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1825.836187][   T72]      netlink_rcv_skb+0x130/0x360
[ 1825.836187][   T72]      netlink_unicast+0x449/0x710
[ 1825.836187][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1825.836187][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1825.836187][   T72]      ___sys_sendmsg+0xee/0x170
[ 1825.836187][   T72]      __sys_sendmsg+0xcd/0x170
[ 1825.836187][   T72]      do_syscall_64+0xc6/0x1e0
[ 1825.836187][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1825.836187][   T72] 
[ 1825.837761][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1825.837761][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1825.837761][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1825.837761][   T72]      ipv6_find_idev+0x102/0x170
[ 1825.837761][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1825.837761][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1825.837761][   T72]      netlink_rcv_skb+0x130/0x360
[ 1825.837761][   T72]      netlink_unicast+0x449/0x710
[ 1825.837761][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1825.837761][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1825.837761][   T72]      ___sys_sendmsg+0xee/0x170
[ 1825.837761][   T72]      __sys_sendmsg+0xcd/0x170
[ 1825.837761][   T72]      do_syscall_64+0xc6/0x1e0
[ 1825.837761][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1825.837761][   T72] 
[ 1835.839920][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1835.840384][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1835.840384][   T72]      netdev_get_by_index+0x5e/0x80
[ 1835.840384][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1835.840384][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1835.840384][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1835.840384][   T72]      ipv6_add_addr+0x411/0x2000
[ 1835.840384][   T72]      inet6_addr_add+0x30e/0xa40
[ 1835.840384][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1835.840384][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1835.840384][   T72]      netlink_rcv_skb+0x130/0x360
[ 1835.840384][   T72]      netlink_unicast+0x449/0x710
[ 1835.840384][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1835.840384][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1835.840384][   T72]      ___sys_sendmsg+0xee/0x170
[ 1835.840384][   T72]      __sys_sendmsg+0xcd/0x170
[ 1835.840384][   T72]      do_syscall_64+0xc6/0x1e0
[ 1835.840384][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1835.840384][   T72] 
[ 1835.842520][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1835.842520][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1835.842520][   T72]      ipv6_find_idev+0x102/0x170
[ 1835.842520][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1835.842520][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1835.842520][   T72]      netlink_rcv_skb+0x130/0x360
[ 1835.842520][   T72]      netlink_unicast+0x449/0x710
[ 1835.842520][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1835.842520][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1835.842520][   T72]      ___sys_sendmsg+0xee/0x170
[ 1835.842520][   T72]      __sys_sendmsg+0xcd/0x170
[ 1835.842520][   T72]      do_syscall_64+0xc6/0x1e0
[ 1835.842520][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1835.842520][   T72] 
[ 1835.844147][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1835.844147][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1835.844147][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1835.844147][   T72]      ipv6_find_idev+0x102/0x170
[ 1835.844147][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1835.844147][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1835.844147][   T72]      netlink_rcv_skb+0x130/0x360
[ 1835.844147][   T72]      netlink_unicast+0x449/0x710
[ 1835.844147][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1835.844147][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1835.844147][   T72]      ___sys_sendmsg+0xee/0x170
[ 1835.844147][   T72]      __sys_sendmsg+0xcd/0x170
[ 1835.844147][   T72]      do_syscall_64+0xc6/0x1e0
[ 1835.844147][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1835.844147][   T72] 
[ 1835.845919][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1835.846171][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1835.846171][   T72]      netdev_get_by_index+0x5e/0x80
[ 1835.846171][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1835.846171][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1835.846171][   T72]      ip6_route_add+0x1c/0x140
[ 1835.846171][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1835.846171][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1835.846171][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1835.846171][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1835.846171][   T72]      netlink_rcv_skb+0x130/0x360
[ 1835.846171][   T72]      netlink_unicast+0x449/0x710
[ 1835.846171][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1835.846171][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1835.846171][   T72]      ___sys_sendmsg+0xee/0x170
[ 1835.846171][   T72]      __sys_sendmsg+0xcd/0x170
[ 1835.846171][   T72]      do_syscall_64+0xc6/0x1e0
[ 1835.846171][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1835.846171][   T72] 
[ 1835.848278][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1835.848278][   T72]      netdev_get_by_index+0x5e/0x80
[ 1835.848278][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1835.848278][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1835.848278][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1835.848278][   T72]      ipv6_add_addr+0x411/0x2000
[ 1835.848278][   T72]      inet6_addr_add+0x30e/0xa40
[ 1835.848278][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1835.848278][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1835.848278][   T72]      netlink_rcv_skb+0x130/0x360
[ 1835.848278][   T72]      netlink_unicast+0x449/0x710
[ 1835.848278][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1835.848278][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1835.848278][   T72]      ___sys_sendmsg+0xee/0x170
[ 1835.848278][   T72]      __sys_sendmsg+0xcd/0x170
[ 1835.848278][   T72]      do_syscall_64+0xc6/0x1e0
[ 1835.848278][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1835.848278][   T72] 
[ 1835.850321][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1835.850321][   T72]      netdev_get_by_index+0x5e/0x80
[ 1835.850321][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1835.850321][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1835.850321][   T72]      ip6_route_add+0x1c/0x140
[ 1835.850321][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1835.850321][   T72]      addrconf_add_dev+0xe2/0x170
[ 1835.850321][   T72]      inet6_addr_add+0x12f/0xa40
[ 1835.850321][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1835.850321][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1835.850321][   T72]      netlink_rcv_skb+0x130/0x360
[ 1835.850321][   T72]      netlink_unicast+0x449/0x710
[ 1835.850321][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1835.850321][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1835.850321][   T72]      ___sys_sendmsg+0xee/0x170
[ 1835.850321][   T72]      __sys_sendmsg+0xcd/0x170
[ 1835.850321][   T72]      do_syscall_64+0xc6/0x1e0
[ 1835.850321][   T72] 
[ 1835.852363][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1835.852363][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1835.852363][   T72]      ipv6_find_idev+0x102/0x170
[ 1835.852363][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1835.852363][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1835.852363][   T72]      netlink_rcv_skb+0x130/0x360
[ 1835.852363][   T72]      netlink_unicast+0x449/0x710
[ 1835.852363][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1835.852363][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1835.852363][   T72]      ___sys_sendmsg+0xee/0x170
[ 1835.852363][   T72]      __sys_sendmsg+0xcd/0x170
[ 1835.852363][   T72]      do_syscall_64+0xc6/0x1e0
[ 1835.852363][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1835.852363][   T72] 
[ 1835.853981][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1835.853981][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1835.853981][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1835.853981][   T72]      ipv6_find_idev+0x102/0x170
[ 1835.853981][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1835.853981][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1835.853981][   T72]      netlink_rcv_skb+0x130/0x360
[ 1835.853981][   T72]      netlink_unicast+0x449/0x710
[ 1835.853981][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1835.853981][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1835.853981][   T72]      ___sys_sendmsg+0xee/0x170
[ 1835.853981][   T72]      __sys_sendmsg+0xcd/0x170
[ 1835.853981][   T72]      do_syscall_64+0xc6/0x1e0
[ 1835.853981][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1835.853981][   T72] 
[ 1846.095893][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1846.096397][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1846.096397][   T72]      netdev_get_by_index+0x5e/0x80
[ 1846.096397][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1846.096397][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1846.096397][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1846.096397][   T72]      ipv6_add_addr+0x411/0x2000
[ 1846.096397][   T72]      inet6_addr_add+0x30e/0xa40
[ 1846.096397][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1846.096397][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1846.096397][   T72]      netlink_rcv_skb+0x130/0x360
[ 1846.096397][   T72]      netlink_unicast+0x449/0x710
[ 1846.096397][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1846.096397][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1846.096397][   T72]      ___sys_sendmsg+0xee/0x170
[ 1846.096397][   T72]      __sys_sendmsg+0xcd/0x170
[ 1846.096397][   T72]      do_syscall_64+0xc6/0x1e0
[ 1846.096397][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1846.096397][   T72] 
[ 1846.098520][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1846.098520][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1846.098520][   T72]      ipv6_find_idev+0x102/0x170
[ 1846.098520][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1846.098520][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1846.098520][   T72]      netlink_rcv_skb+0x130/0x360
[ 1846.098520][   T72]      netlink_unicast+0x449/0x710
[ 1846.098520][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1846.098520][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1846.098520][   T72]      ___sys_sendmsg+0xee/0x170
[ 1846.098520][   T72]      __sys_sendmsg+0xcd/0x170
[ 1846.098520][   T72]      do_syscall_64+0xc6/0x1e0
[ 1846.098520][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1846.098520][   T72] 
[ 1846.100115][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1846.100115][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1846.100115][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1846.100115][   T72]      ipv6_find_idev+0x102/0x170
[ 1846.100115][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1846.100115][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1846.100115][   T72]      netlink_rcv_skb+0x130/0x360
[ 1846.100115][   T72]      netlink_unicast+0x449/0x710
[ 1846.100115][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1846.100115][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1846.100115][   T72]      ___sys_sendmsg+0xee/0x170
[ 1846.100115][   T72]      __sys_sendmsg+0xcd/0x170
[ 1846.100115][   T72]      do_syscall_64+0xc6/0x1e0
[ 1846.100115][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1846.100115][   T72] 
[ 1846.101851][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1846.102103][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1846.102103][   T72]      netdev_get_by_index+0x5e/0x80
[ 1846.102103][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1846.102103][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1846.102103][   T72]      ip6_route_add+0x1c/0x140
[ 1846.102103][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1846.102103][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1846.102103][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1846.102103][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1846.102103][   T72]      netlink_rcv_skb+0x130/0x360
[ 1846.102103][   T72]      netlink_unicast+0x449/0x710
[ 1846.102103][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1846.102103][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1846.102103][   T72]      ___sys_sendmsg+0xee/0x170
[ 1846.102103][   T72]      __sys_sendmsg+0xcd/0x170
[ 1846.102103][   T72]      do_syscall_64+0xc6/0x1e0
[ 1846.102103][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1846.102103][   T72] 
[ 1846.104215][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1846.104215][   T72]      netdev_get_by_index+0x5e/0x80
[ 1846.104215][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1846.104215][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1846.104215][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1846.104215][   T72]      ipv6_add_addr+0x411/0x2000
[ 1846.104215][   T72]      inet6_addr_add+0x30e/0xa40
[ 1846.104215][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1846.104215][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1846.104215][   T72]      netlink_rcv_skb+0x130/0x360
[ 1846.104215][   T72]      netlink_unicast+0x449/0x710
[ 1846.104215][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1846.104215][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1846.104215][   T72]      ___sys_sendmsg+0xee/0x170
[ 1846.104215][   T72]      __sys_sendmsg+0xcd/0x170
[ 1846.104215][   T72]      do_syscall_64+0xc6/0x1e0
[ 1846.104215][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1846.104215][   T72] 
[ 1846.106283][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1846.106283][   T72]      netdev_get_by_index+0x5e/0x80
[ 1846.106283][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1846.106283][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1846.106283][   T72]      ip6_route_add+0x1c/0x140
[ 1846.106283][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1846.106283][   T72]      addrconf_add_dev+0xe2/0x170
[ 1846.106283][   T72]      inet6_addr_add+0x12f/0xa40
[ 1846.106283][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1846.106283][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1846.106283][   T72]      netlink_rcv_skb+0x130/0x360
[ 1846.106283][   T72]      netlink_unicast+0x449/0x710
[ 1846.106283][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1846.106283][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1846.106283][   T72]      ___sys_sendmsg+0xee/0x170
[ 1846.106283][   T72]      __sys_sendmsg+0xcd/0x170
[ 1846.106283][   T72]      do_syscall_64+0xc6/0x1e0
[ 1846.106283][   T72] 
[ 1846.108309][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1846.108309][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1846.108309][   T72]      ipv6_find_idev+0x102/0x170
[ 1846.108309][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1846.108309][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1846.108309][   T72]      netlink_rcv_skb+0x130/0x360
[ 1846.108309][   T72]      netlink_unicast+0x449/0x710
[ 1846.108309][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1846.108309][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1846.108309][   T72]      ___sys_sendmsg+0xee/0x170
[ 1846.108309][   T72]      __sys_sendmsg+0xcd/0x170
[ 1846.108309][   T72]      do_syscall_64+0xc6/0x1e0
[ 1846.108309][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1846.108309][   T72] 
[ 1846.109882][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1846.109882][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1846.109882][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1846.109882][   T72]      ipv6_find_idev+0x102/0x170
[ 1846.109882][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1846.109882][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1846.109882][   T72]      netlink_rcv_skb+0x130/0x360
[ 1846.109882][   T72]      netlink_unicast+0x449/0x710
[ 1846.109882][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1846.109882][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1846.109882][   T72]      ___sys_sendmsg+0xee/0x170
[ 1846.109882][   T72]      __sys_sendmsg+0xcd/0x170
[ 1846.109882][   T72]      do_syscall_64+0xc6/0x1e0
[ 1846.109882][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1846.109882][   T72] 
[ 1856.351870][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1856.352342][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1856.352342][   T72]      netdev_get_by_index+0x5e/0x80
[ 1856.352342][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1856.352342][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1856.352342][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1856.352342][   T72]      ipv6_add_addr+0x411/0x2000
[ 1856.352342][   T72]      inet6_addr_add+0x30e/0xa40
[ 1856.352342][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1856.352342][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1856.352342][   T72]      netlink_rcv_skb+0x130/0x360
[ 1856.352342][   T72]      netlink_unicast+0x449/0x710
[ 1856.352342][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1856.352342][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1856.352342][   T72]      ___sys_sendmsg+0xee/0x170
[ 1856.352342][   T72]      __sys_sendmsg+0xcd/0x170
[ 1856.352342][   T72]      do_syscall_64+0xc6/0x1e0
[ 1856.352342][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1856.352342][   T72] 
[ 1856.354439][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1856.354439][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1856.354439][   T72]      ipv6_find_idev+0x102/0x170
[ 1856.354439][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1856.354439][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1856.354439][   T72]      netlink_rcv_skb+0x130/0x360
[ 1856.354439][   T72]      netlink_unicast+0x449/0x710
[ 1856.354439][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1856.354439][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1856.354439][   T72]      ___sys_sendmsg+0xee/0x170
[ 1856.354439][   T72]      __sys_sendmsg+0xcd/0x170
[ 1856.354439][   T72]      do_syscall_64+0xc6/0x1e0
[ 1856.354439][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1856.354439][   T72] 
[ 1856.356019][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1856.356019][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1856.356019][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1856.356019][   T72]      ipv6_find_idev+0x102/0x170
[ 1856.356019][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1856.356019][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1856.356019][   T72]      netlink_rcv_skb+0x130/0x360
[ 1856.356019][   T72]      netlink_unicast+0x449/0x710
[ 1856.356019][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1856.356019][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1856.356019][   T72]      ___sys_sendmsg+0xee/0x170
[ 1856.356019][   T72]      __sys_sendmsg+0xcd/0x170
[ 1856.356019][   T72]      do_syscall_64+0xc6/0x1e0
[ 1856.356019][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1856.356019][   T72] 
[ 1856.357875][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1856.358125][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1856.358125][   T72]      netdev_get_by_index+0x5e/0x80
[ 1856.358125][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1856.358125][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1856.358125][   T72]      ip6_route_add+0x1c/0x140
[ 1856.358125][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1856.358125][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1856.358125][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1856.358125][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1856.358125][   T72]      netlink_rcv_skb+0x130/0x360
[ 1856.358125][   T72]      netlink_unicast+0x449/0x710
[ 1856.358125][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1856.358125][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1856.358125][   T72]      ___sys_sendmsg+0xee/0x170
[ 1856.358125][   T72]      __sys_sendmsg+0xcd/0x170
[ 1856.358125][   T72]      do_syscall_64+0xc6/0x1e0
[ 1856.358125][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1856.358125][   T72] 
[ 1856.360184][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1856.360184][   T72]      netdev_get_by_index+0x5e/0x80
[ 1856.360184][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1856.360184][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1856.360184][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1856.360184][   T72]      ipv6_add_addr+0x411/0x2000
[ 1856.360184][   T72]      inet6_addr_add+0x30e/0xa40
[ 1856.360184][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1856.360184][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1856.360184][   T72]      netlink_rcv_skb+0x130/0x360
[ 1856.360184][   T72]      netlink_unicast+0x449/0x710
[ 1856.360184][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1856.360184][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1856.360184][   T72]      ___sys_sendmsg+0xee/0x170
[ 1856.360184][   T72]      __sys_sendmsg+0xcd/0x170
[ 1856.360184][   T72]      do_syscall_64+0xc6/0x1e0
[ 1856.360184][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1856.360184][   T72] 
[ 1856.362224][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1856.362224][   T72]      netdev_get_by_index+0x5e/0x80
[ 1856.362224][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1856.362224][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1856.362224][   T72]      ip6_route_add+0x1c/0x140
[ 1856.362224][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1856.362224][   T72]      addrconf_add_dev+0xe2/0x170
[ 1856.362224][   T72]      inet6_addr_add+0x12f/0xa40
[ 1856.362224][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1856.362224][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1856.362224][   T72]      netlink_rcv_skb+0x130/0x360
[ 1856.362224][   T72]      netlink_unicast+0x449/0x710
[ 1856.362224][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1856.362224][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1856.362224][   T72]      ___sys_sendmsg+0xee/0x170
[ 1856.362224][   T72]      __sys_sendmsg+0xcd/0x170
[ 1856.362224][   T72]      do_syscall_64+0xc6/0x1e0
[ 1856.362224][   T72] 
[ 1856.364238][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1856.364238][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1856.364238][   T72]      ipv6_find_idev+0x102/0x170
[ 1856.364238][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1856.364238][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1856.364238][   T72]      netlink_rcv_skb+0x130/0x360
[ 1856.364238][   T72]      netlink_unicast+0x449/0x710
[ 1856.364238][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1856.364238][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1856.364238][   T72]      ___sys_sendmsg+0xee/0x170
[ 1856.364238][   T72]      __sys_sendmsg+0xcd/0x170
[ 1856.364238][   T72]      do_syscall_64+0xc6/0x1e0
[ 1856.364238][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1856.364238][   T72] 
[ 1856.365805][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1856.365805][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1856.365805][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1856.365805][   T72]      ipv6_find_idev+0x102/0x170
[ 1856.365805][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1856.365805][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1856.365805][   T72]      netlink_rcv_skb+0x130/0x360
[ 1856.365805][   T72]      netlink_unicast+0x449/0x710
[ 1856.365805][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1856.365805][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1856.365805][   T72]      ___sys_sendmsg+0xee/0x170
[ 1856.365805][   T72]      __sys_sendmsg+0xcd/0x170
[ 1856.365805][   T72]      do_syscall_64+0xc6/0x1e0
[ 1856.365805][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1856.365805][   T72] 
[ 1866.607888][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1866.608383][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1866.608383][   T72]      netdev_get_by_index+0x5e/0x80
[ 1866.608383][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1866.608383][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1866.608383][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1866.608383][   T72]      ipv6_add_addr+0x411/0x2000
[ 1866.608383][   T72]      inet6_addr_add+0x30e/0xa40
[ 1866.608383][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1866.608383][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1866.608383][   T72]      netlink_rcv_skb+0x130/0x360
[ 1866.608383][   T72]      netlink_unicast+0x449/0x710
[ 1866.608383][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1866.608383][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1866.608383][   T72]      ___sys_sendmsg+0xee/0x170
[ 1866.608383][   T72]      __sys_sendmsg+0xcd/0x170
[ 1866.608383][   T72]      do_syscall_64+0xc6/0x1e0
[ 1866.608383][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1866.608383][   T72] 
[ 1866.610473][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1866.610473][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1866.610473][   T72]      ipv6_find_idev+0x102/0x170
[ 1866.610473][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1866.610473][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1866.610473][   T72]      netlink_rcv_skb+0x130/0x360
[ 1866.610473][   T72]      netlink_unicast+0x449/0x710
[ 1866.610473][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1866.610473][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1866.610473][   T72]      ___sys_sendmsg+0xee/0x170
[ 1866.610473][   T72]      __sys_sendmsg+0xcd/0x170
[ 1866.610473][   T72]      do_syscall_64+0xc6/0x1e0
[ 1866.610473][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1866.610473][   T72] 
[ 1866.612074][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1866.612074][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1866.612074][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1866.612074][   T72]      ipv6_find_idev+0x102/0x170
[ 1866.612074][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1866.612074][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1866.612074][   T72]      netlink_rcv_skb+0x130/0x360
[ 1866.612074][   T72]      netlink_unicast+0x449/0x710
[ 1866.612074][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1866.612074][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1866.612074][   T72]      ___sys_sendmsg+0xee/0x170
[ 1866.612074][   T72]      __sys_sendmsg+0xcd/0x170
[ 1866.612074][   T72]      do_syscall_64+0xc6/0x1e0
[ 1866.612074][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1866.612074][   T72] 
[ 1866.613887][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1866.614154][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1866.614154][   T72]      netdev_get_by_index+0x5e/0x80
[ 1866.614154][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1866.614154][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1866.614154][   T72]      ip6_route_add+0x1c/0x140
[ 1866.614154][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1866.614154][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1866.614154][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1866.614154][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1866.614154][   T72]      netlink_rcv_skb+0x130/0x360
[ 1866.614154][   T72]      netlink_unicast+0x449/0x710
[ 1866.614154][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1866.614154][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1866.614154][   T72]      ___sys_sendmsg+0xee/0x170
[ 1866.614154][   T72]      __sys_sendmsg+0xcd/0x170
[ 1866.614154][   T72]      do_syscall_64+0xc6/0x1e0
[ 1866.614154][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1866.614154][   T72] 
[ 1866.616224][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1866.616224][   T72]      netdev_get_by_index+0x5e/0x80
[ 1866.616224][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1866.616224][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1866.616224][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1866.616224][   T72]      ipv6_add_addr+0x411/0x2000
[ 1866.616224][   T72]      inet6_addr_add+0x30e/0xa40
[ 1866.616224][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1866.616224][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1866.616224][   T72]      netlink_rcv_skb+0x130/0x360
[ 1866.616224][   T72]      netlink_unicast+0x449/0x710
[ 1866.616224][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1866.616224][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1866.616224][   T72]      ___sys_sendmsg+0xee/0x170
[ 1866.616224][   T72]      __sys_sendmsg+0xcd/0x170
[ 1866.616224][   T72]      do_syscall_64+0xc6/0x1e0
[ 1866.616224][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1866.616224][   T72] 
[ 1866.618317][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1866.618317][   T72]      netdev_get_by_index+0x5e/0x80
[ 1866.618317][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1866.618317][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1866.618317][   T72]      ip6_route_add+0x1c/0x140
[ 1866.618317][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1866.618317][   T72]      addrconf_add_dev+0xe2/0x170
[ 1866.618317][   T72]      inet6_addr_add+0x12f/0xa40
[ 1866.618317][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1866.618317][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1866.618317][   T72]      netlink_rcv_skb+0x130/0x360
[ 1866.618317][   T72]      netlink_unicast+0x449/0x710
[ 1866.618317][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1866.618317][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1866.618317][   T72]      ___sys_sendmsg+0xee/0x170
[ 1866.618317][   T72]      __sys_sendmsg+0xcd/0x170
[ 1866.618317][   T72]      do_syscall_64+0xc6/0x1e0
[ 1866.618317][   T72] 
[ 1866.620389][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1866.620389][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1866.620389][   T72]      ipv6_find_idev+0x102/0x170
[ 1866.620389][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1866.620389][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1866.620389][   T72]      netlink_rcv_skb+0x130/0x360
[ 1866.620389][   T72]      netlink_unicast+0x449/0x710
[ 1866.620389][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1866.620389][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1866.620389][   T72]      ___sys_sendmsg+0xee/0x170
[ 1866.620389][   T72]      __sys_sendmsg+0xcd/0x170
[ 1866.620389][   T72]      do_syscall_64+0xc6/0x1e0
[ 1866.620389][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1866.620389][   T72] 
[ 1866.622013][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1866.622013][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1866.622013][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1866.622013][   T72]      ipv6_find_idev+0x102/0x170
[ 1866.622013][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1866.622013][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1866.622013][   T72]      netlink_rcv_skb+0x130/0x360
[ 1866.622013][   T72]      netlink_unicast+0x449/0x710
[ 1866.622013][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1866.622013][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1866.622013][   T72]      ___sys_sendmsg+0xee/0x170
[ 1866.622013][   T72]      __sys_sendmsg+0xcd/0x170
[ 1866.622013][   T72]      do_syscall_64+0xc6/0x1e0
[ 1866.622013][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1866.622013][   T72] 
[ 1876.863883][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1876.864363][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1876.864363][   T72]      netdev_get_by_index+0x5e/0x80
[ 1876.864363][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1876.864363][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1876.864363][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1876.864363][   T72]      ipv6_add_addr+0x411/0x2000
[ 1876.864363][   T72]      inet6_addr_add+0x30e/0xa40
[ 1876.864363][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1876.864363][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1876.864363][   T72]      netlink_rcv_skb+0x130/0x360
[ 1876.864363][   T72]      netlink_unicast+0x449/0x710
[ 1876.864363][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1876.864363][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1876.864363][   T72]      ___sys_sendmsg+0xee/0x170
[ 1876.864363][   T72]      __sys_sendmsg+0xcd/0x170
[ 1876.864363][   T72]      do_syscall_64+0xc6/0x1e0
[ 1876.864363][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1876.864363][   T72] 
[ 1876.866452][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1876.866452][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1876.866452][   T72]      ipv6_find_idev+0x102/0x170
[ 1876.866452][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1876.866452][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1876.866452][   T72]      netlink_rcv_skb+0x130/0x360
[ 1876.866452][   T72]      netlink_unicast+0x449/0x710
[ 1876.866452][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1876.866452][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1876.866452][   T72]      ___sys_sendmsg+0xee/0x170
[ 1876.866452][   T72]      __sys_sendmsg+0xcd/0x170
[ 1876.866452][   T72]      do_syscall_64+0xc6/0x1e0
[ 1876.866452][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1876.866452][   T72] 
[ 1876.868029][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1876.868029][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1876.868029][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1876.868029][   T72]      ipv6_find_idev+0x102/0x170
[ 1876.868029][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1876.868029][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1876.868029][   T72]      netlink_rcv_skb+0x130/0x360
[ 1876.868029][   T72]      netlink_unicast+0x449/0x710
[ 1876.868029][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1876.868029][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1876.868029][   T72]      ___sys_sendmsg+0xee/0x170
[ 1876.868029][   T72]      __sys_sendmsg+0xcd/0x170
[ 1876.868029][   T72]      do_syscall_64+0xc6/0x1e0
[ 1876.868029][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1876.868029][   T72] 
[ 1876.870050][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1876.870307][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1876.870307][   T72]      netdev_get_by_index+0x5e/0x80
[ 1876.870307][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1876.870307][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1876.870307][   T72]      ip6_route_add+0x1c/0x140
[ 1876.870307][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1876.870307][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1876.870307][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1876.870307][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1876.870307][   T72]      netlink_rcv_skb+0x130/0x360
[ 1876.870307][   T72]      netlink_unicast+0x449/0x710
[ 1876.870307][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1876.870307][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1876.870307][   T72]      ___sys_sendmsg+0xee/0x170
[ 1876.870307][   T72]      __sys_sendmsg+0xcd/0x170
[ 1876.870307][   T72]      do_syscall_64+0xc6/0x1e0
[ 1876.870307][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1876.870307][   T72] 
[ 1876.872354][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1876.872354][   T72]      netdev_get_by_index+0x5e/0x80
[ 1876.872354][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1876.872354][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1876.872354][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1876.872354][   T72]      ipv6_add_addr+0x411/0x2000
[ 1876.872354][   T72]      inet6_addr_add+0x30e/0xa40
[ 1876.872354][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1876.872354][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1876.872354][   T72]      netlink_rcv_skb+0x130/0x360
[ 1876.872354][   T72]      netlink_unicast+0x449/0x710
[ 1876.872354][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1876.872354][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1876.872354][   T72]      ___sys_sendmsg+0xee/0x170
[ 1876.872354][   T72]      __sys_sendmsg+0xcd/0x170
[ 1876.872354][   T72]      do_syscall_64+0xc6/0x1e0
[ 1876.872354][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1876.872354][   T72] 
[ 1876.874400][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1876.874400][   T72]      netdev_get_by_index+0x5e/0x80
[ 1876.874400][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1876.874400][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1876.874400][   T72]      ip6_route_add+0x1c/0x140
[ 1876.874400][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1876.874400][   T72]      addrconf_add_dev+0xe2/0x170
[ 1876.874400][   T72]      inet6_addr_add+0x12f/0xa40
[ 1876.874400][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1876.874400][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1876.874400][   T72]      netlink_rcv_skb+0x130/0x360
[ 1876.874400][   T72]      netlink_unicast+0x449/0x710
[ 1876.874400][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1876.874400][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1876.874400][   T72]      ___sys_sendmsg+0xee/0x170
[ 1876.874400][   T72]      __sys_sendmsg+0xcd/0x170
[ 1876.874400][   T72]      do_syscall_64+0xc6/0x1e0
[ 1876.874400][   T72] 
[ 1876.876412][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1876.876412][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1876.876412][   T72]      ipv6_find_idev+0x102/0x170
[ 1876.876412][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1876.876412][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1876.876412][   T72]      netlink_rcv_skb+0x130/0x360
[ 1876.876412][   T72]      netlink_unicast+0x449/0x710
[ 1876.876412][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1876.876412][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1876.876412][   T72]      ___sys_sendmsg+0xee/0x170
[ 1876.876412][   T72]      __sys_sendmsg+0xcd/0x170
[ 1876.876412][   T72]      do_syscall_64+0xc6/0x1e0
[ 1876.876412][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1876.876412][   T72] 
[ 1876.877983][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1876.877983][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1876.877983][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1876.877983][   T72]      ipv6_find_idev+0x102/0x170
[ 1876.877983][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1876.877983][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1876.877983][   T72]      netlink_rcv_skb+0x130/0x360
[ 1876.877983][   T72]      netlink_unicast+0x449/0x710
[ 1876.877983][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1876.877983][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1876.877983][   T72]      ___sys_sendmsg+0xee/0x170
[ 1876.877983][   T72]      __sys_sendmsg+0xcd/0x170
[ 1876.877983][   T72]      do_syscall_64+0xc6/0x1e0
[ 1876.877983][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1876.877983][   T72] 
[ 1887.119847][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1887.120335][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1887.120335][   T72]      netdev_get_by_index+0x5e/0x80
[ 1887.120335][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1887.120335][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1887.120335][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1887.120335][   T72]      ipv6_add_addr+0x411/0x2000
[ 1887.120335][   T72]      inet6_addr_add+0x30e/0xa40
[ 1887.120335][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1887.120335][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1887.120335][   T72]      netlink_rcv_skb+0x130/0x360
[ 1887.120335][   T72]      netlink_unicast+0x449/0x710
[ 1887.120335][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1887.120335][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1887.120335][   T72]      ___sys_sendmsg+0xee/0x170
[ 1887.120335][   T72]      __sys_sendmsg+0xcd/0x170
[ 1887.120335][   T72]      do_syscall_64+0xc6/0x1e0
[ 1887.120335][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1887.120335][   T72] 
[ 1887.122435][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1887.122435][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1887.122435][   T72]      ipv6_find_idev+0x102/0x170
[ 1887.122435][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1887.122435][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1887.122435][   T72]      netlink_rcv_skb+0x130/0x360
[ 1887.122435][   T72]      netlink_unicast+0x449/0x710
[ 1887.122435][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1887.122435][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1887.122435][   T72]      ___sys_sendmsg+0xee/0x170
[ 1887.122435][   T72]      __sys_sendmsg+0xcd/0x170
[ 1887.122435][   T72]      do_syscall_64+0xc6/0x1e0
[ 1887.122435][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1887.122435][   T72] 
[ 1887.124014][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1887.124014][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1887.124014][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1887.124014][   T72]      ipv6_find_idev+0x102/0x170
[ 1887.124014][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1887.124014][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1887.124014][   T72]      netlink_rcv_skb+0x130/0x360
[ 1887.124014][   T72]      netlink_unicast+0x449/0x710
[ 1887.124014][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1887.124014][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1887.124014][   T72]      ___sys_sendmsg+0xee/0x170
[ 1887.124014][   T72]      __sys_sendmsg+0xcd/0x170
[ 1887.124014][   T72]      do_syscall_64+0xc6/0x1e0
[ 1887.124014][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1887.124014][   T72] 
[ 1887.125749][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1887.126038][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1887.126038][   T72]      netdev_get_by_index+0x5e/0x80
[ 1887.126038][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1887.126038][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1887.126038][   T72]      ip6_route_add+0x1c/0x140
[ 1887.126038][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1887.126038][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1887.126038][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1887.126038][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1887.126038][   T72]      netlink_rcv_skb+0x130/0x360
[ 1887.126038][   T72]      netlink_unicast+0x449/0x710
[ 1887.126038][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1887.126038][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1887.126038][   T72]      ___sys_sendmsg+0xee/0x170
[ 1887.126038][   T72]      __sys_sendmsg+0xcd/0x170
[ 1887.126038][   T72]      do_syscall_64+0xc6/0x1e0
[ 1887.126038][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1887.126038][   T72] 
[ 1887.128099][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1887.128099][   T72]      netdev_get_by_index+0x5e/0x80
[ 1887.128099][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1887.128099][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1887.128099][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1887.128099][   T72]      ipv6_add_addr+0x411/0x2000
[ 1887.128099][   T72]      inet6_addr_add+0x30e/0xa40
[ 1887.128099][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1887.128099][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1887.128099][   T72]      netlink_rcv_skb+0x130/0x360
[ 1887.128099][   T72]      netlink_unicast+0x449/0x710
[ 1887.128099][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1887.128099][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1887.128099][   T72]      ___sys_sendmsg+0xee/0x170
[ 1887.128099][   T72]      __sys_sendmsg+0xcd/0x170
[ 1887.128099][   T72]      do_syscall_64+0xc6/0x1e0
[ 1887.128099][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1887.128099][   T72] 
[ 1887.130175][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1887.130175][   T72]      netdev_get_by_index+0x5e/0x80
[ 1887.130175][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1887.130175][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1887.130175][   T72]      ip6_route_add+0x1c/0x140
[ 1887.130175][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1887.130175][   T72]      addrconf_add_dev+0xe2/0x170
[ 1887.130175][   T72]      inet6_addr_add+0x12f/0xa40
[ 1887.130175][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1887.130175][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1887.130175][   T72]      netlink_rcv_skb+0x130/0x360
[ 1887.130175][   T72]      netlink_unicast+0x449/0x710
[ 1887.130175][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1887.130175][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1887.130175][   T72]      ___sys_sendmsg+0xee/0x170
[ 1887.130175][   T72]      __sys_sendmsg+0xcd/0x170
[ 1887.130175][   T72]      do_syscall_64+0xc6/0x1e0
[ 1887.130175][   T72] 
[ 1887.132597][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1887.132597][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1887.132597][   T72]      ipv6_find_idev+0x102/0x170
[ 1887.132597][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1887.132597][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1887.132597][   T72]      netlink_rcv_skb+0x130/0x360
[ 1887.132597][   T72]      netlink_unicast+0x449/0x710
[ 1887.132597][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1887.132597][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1887.132597][   T72]      ___sys_sendmsg+0xee/0x170
[ 1887.132597][   T72]      __sys_sendmsg+0xcd/0x170
[ 1887.132597][   T72]      do_syscall_64+0xc6/0x1e0
[ 1887.132597][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1887.132597][   T72] 
[ 1887.134185][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1887.134185][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1887.134185][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1887.134185][   T72]      ipv6_find_idev+0x102/0x170
[ 1887.134185][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1887.134185][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1887.134185][   T72]      netlink_rcv_skb+0x130/0x360
[ 1887.134185][   T72]      netlink_unicast+0x449/0x710
[ 1887.134185][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1887.134185][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1887.134185][   T72]      ___sys_sendmsg+0xee/0x170
[ 1887.134185][   T72]      __sys_sendmsg+0xcd/0x170
[ 1887.134185][   T72]      do_syscall_64+0xc6/0x1e0
[ 1887.134185][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1887.134185][   T72] 
[ 1897.375880][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1897.376291][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1897.376291][   T72]      netdev_get_by_index+0x5e/0x80
[ 1897.376291][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1897.376291][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1897.376291][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1897.376291][   T72]      ipv6_add_addr+0x411/0x2000
[ 1897.376291][   T72]      inet6_addr_add+0x30e/0xa40
[ 1897.376291][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1897.376291][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1897.376291][   T72]      netlink_rcv_skb+0x130/0x360
[ 1897.376291][   T72]      netlink_unicast+0x449/0x710
[ 1897.376291][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1897.376291][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1897.376291][   T72]      ___sys_sendmsg+0xee/0x170
[ 1897.376291][   T72]      __sys_sendmsg+0xcd/0x170
[ 1897.376291][   T72]      do_syscall_64+0xc6/0x1e0
[ 1897.376291][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1897.376291][   T72] 
[ 1897.378374][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1897.378374][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1897.378374][   T72]      ipv6_find_idev+0x102/0x170
[ 1897.378374][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1897.378374][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1897.378374][   T72]      netlink_rcv_skb+0x130/0x360
[ 1897.378374][   T72]      netlink_unicast+0x449/0x710
[ 1897.378374][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1897.378374][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1897.378374][   T72]      ___sys_sendmsg+0xee/0x170
[ 1897.378374][   T72]      __sys_sendmsg+0xcd/0x170
[ 1897.378374][   T72]      do_syscall_64+0xc6/0x1e0
[ 1897.378374][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1897.378374][   T72] 
[ 1897.379953][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1897.379953][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1897.379953][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1897.379953][   T72]      ipv6_find_idev+0x102/0x170
[ 1897.379953][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1897.379953][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1897.379953][   T72]      netlink_rcv_skb+0x130/0x360
[ 1897.379953][   T72]      netlink_unicast+0x449/0x710
[ 1897.379953][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1897.379953][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1897.379953][   T72]      ___sys_sendmsg+0xee/0x170
[ 1897.379953][   T72]      __sys_sendmsg+0xcd/0x170
[ 1897.379953][   T72]      do_syscall_64+0xc6/0x1e0
[ 1897.379953][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1897.379953][   T72] 
[ 1897.381692][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1897.381965][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1897.381965][   T72]      netdev_get_by_index+0x5e/0x80
[ 1897.381965][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1897.381965][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1897.381965][   T72]      ip6_route_add+0x1c/0x140
[ 1897.381965][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1897.381965][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1897.381965][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1897.381965][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1897.381965][   T72]      netlink_rcv_skb+0x130/0x360
[ 1897.381965][   T72]      netlink_unicast+0x449/0x710
[ 1897.381965][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1897.381965][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1897.381965][   T72]      ___sys_sendmsg+0xee/0x170
[ 1897.381965][   T72]      __sys_sendmsg+0xcd/0x170
[ 1897.381965][   T72]      do_syscall_64+0xc6/0x1e0
[ 1897.381965][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1897.381965][   T72] 
[ 1897.384272][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1897.384272][   T72]      netdev_get_by_index+0x5e/0x80
[ 1897.384272][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1897.384272][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1897.384272][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1897.384272][   T72]      ipv6_add_addr+0x411/0x2000
[ 1897.384272][   T72]      inet6_addr_add+0x30e/0xa40
[ 1897.384272][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1897.384272][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1897.384272][   T72]      netlink_rcv_skb+0x130/0x360
[ 1897.384272][   T72]      netlink_unicast+0x449/0x710
[ 1897.384272][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1897.384272][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1897.384272][   T72]      ___sys_sendmsg+0xee/0x170
[ 1897.384272][   T72]      __sys_sendmsg+0xcd/0x170
[ 1897.384272][   T72]      do_syscall_64+0xc6/0x1e0
[ 1897.384272][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1897.384272][   T72] 
[ 1897.386543][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1897.386543][   T72]      netdev_get_by_index+0x5e/0x80
[ 1897.386543][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1897.386543][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1897.386543][   T72]      ip6_route_add+0x1c/0x140
[ 1897.386543][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1897.386543][   T72]      addrconf_add_dev+0xe2/0x170
[ 1897.386543][   T72]      inet6_addr_add+0x12f/0xa40
[ 1897.386543][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1897.386543][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1897.386543][   T72]      netlink_rcv_skb+0x130/0x360
[ 1897.386543][   T72]      netlink_unicast+0x449/0x710
[ 1897.386543][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1897.386543][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1897.386543][   T72]      ___sys_sendmsg+0xee/0x170
[ 1897.386543][   T72]      __sys_sendmsg+0xcd/0x170
[ 1897.386543][   T72]      do_syscall_64+0xc6/0x1e0
[ 1897.386543][   T72] 
[ 1897.388779][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1897.388779][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1897.388779][   T72]      ipv6_find_idev+0x102/0x170
[ 1897.388779][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1897.388779][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1897.388779][   T72]      netlink_rcv_skb+0x130/0x360
[ 1897.388779][   T72]      netlink_unicast+0x449/0x710
[ 1897.388779][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1897.388779][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1897.388779][   T72]      ___sys_sendmsg+0xee/0x170
[ 1897.388779][   T72]      __sys_sendmsg+0xcd/0x170
[ 1897.388779][   T72]      do_syscall_64+0xc6/0x1e0
[ 1897.388779][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1897.388779][   T72] 
[ 1897.390527][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1897.390527][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1897.390527][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1897.390527][   T72]      ipv6_find_idev+0x102/0x170
[ 1897.390527][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1897.390527][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1897.390527][   T72]      netlink_rcv_skb+0x130/0x360
[ 1897.390527][   T72]      netlink_unicast+0x449/0x710
[ 1897.390527][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1897.390527][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1897.390527][   T72]      ___sys_sendmsg+0xee/0x170
[ 1897.390527][   T72]      __sys_sendmsg+0xcd/0x170
[ 1897.390527][   T72]      do_syscall_64+0xc6/0x1e0
[ 1897.390527][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1897.390527][   T72] 
[ 1907.631878][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1907.632340][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1907.632340][   T72]      netdev_get_by_index+0x5e/0x80
[ 1907.632340][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1907.632340][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1907.632340][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1907.632340][   T72]      ipv6_add_addr+0x411/0x2000
[ 1907.632340][   T72]      inet6_addr_add+0x30e/0xa40
[ 1907.632340][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1907.632340][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1907.632340][   T72]      netlink_rcv_skb+0x130/0x360
[ 1907.632340][   T72]      netlink_unicast+0x449/0x710
[ 1907.632340][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1907.632340][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1907.632340][   T72]      ___sys_sendmsg+0xee/0x170
[ 1907.632340][   T72]      __sys_sendmsg+0xcd/0x170
[ 1907.632340][   T72]      do_syscall_64+0xc6/0x1e0
[ 1907.632340][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1907.632340][   T72] 
[ 1907.634389][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1907.634389][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1907.634389][   T72]      ipv6_find_idev+0x102/0x170
[ 1907.634389][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1907.634389][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1907.634389][   T72]      netlink_rcv_skb+0x130/0x360
[ 1907.634389][   T72]      netlink_unicast+0x449/0x710
[ 1907.634389][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1907.634389][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1907.634389][   T72]      ___sys_sendmsg+0xee/0x170
[ 1907.634389][   T72]      __sys_sendmsg+0xcd/0x170
[ 1907.634389][   T72]      do_syscall_64+0xc6/0x1e0
[ 1907.634389][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1907.634389][   T72] 
[ 1907.635967][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1907.635967][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1907.635967][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1907.635967][   T72]      ipv6_find_idev+0x102/0x170
[ 1907.635967][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1907.635967][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1907.635967][   T72]      netlink_rcv_skb+0x130/0x360
[ 1907.635967][   T72]      netlink_unicast+0x449/0x710
[ 1907.635967][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1907.635967][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1907.635967][   T72]      ___sys_sendmsg+0xee/0x170
[ 1907.635967][   T72]      __sys_sendmsg+0xcd/0x170
[ 1907.635967][   T72]      do_syscall_64+0xc6/0x1e0
[ 1907.635967][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1907.635967][   T72] 
[ 1907.637672][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1907.637940][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1907.637940][   T72]      netdev_get_by_index+0x5e/0x80
[ 1907.637940][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1907.637940][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1907.637940][   T72]      ip6_route_add+0x1c/0x140
[ 1907.637940][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1907.637940][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1907.637940][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1907.637940][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1907.637940][   T72]      netlink_rcv_skb+0x130/0x360
[ 1907.637940][   T72]      netlink_unicast+0x449/0x710
[ 1907.637940][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1907.637940][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1907.637940][   T72]      ___sys_sendmsg+0xee/0x170
[ 1907.637940][   T72]      __sys_sendmsg+0xcd/0x170
[ 1907.637940][   T72]      do_syscall_64+0xc6/0x1e0
[ 1907.637940][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1907.637940][   T72] 
[ 1907.639963][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1907.639963][   T72]      netdev_get_by_index+0x5e/0x80
[ 1907.639963][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1907.639963][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1907.639963][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1907.639963][   T72]      ipv6_add_addr+0x411/0x2000
[ 1907.639963][   T72]      inet6_addr_add+0x30e/0xa40
[ 1907.639963][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1907.639963][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1907.639963][   T72]      netlink_rcv_skb+0x130/0x360
[ 1907.639963][   T72]      netlink_unicast+0x449/0x710
[ 1907.639963][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1907.639963][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1907.639963][   T72]      ___sys_sendmsg+0xee/0x170
[ 1907.639963][   T72]      __sys_sendmsg+0xcd/0x170
[ 1907.639963][   T72]      do_syscall_64+0xc6/0x1e0
[ 1907.639963][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1907.639963][   T72] 
[ 1907.641979][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1907.641979][   T72]      netdev_get_by_index+0x5e/0x80
[ 1907.641979][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1907.641979][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1907.641979][   T72]      ip6_route_add+0x1c/0x140
[ 1907.641979][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1907.641979][   T72]      addrconf_add_dev+0xe2/0x170
[ 1907.641979][   T72]      inet6_addr_add+0x12f/0xa40
[ 1907.641979][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1907.641979][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1907.641979][   T72]      netlink_rcv_skb+0x130/0x360
[ 1907.641979][   T72]      netlink_unicast+0x449/0x710
[ 1907.641979][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1907.641979][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1907.641979][   T72]      ___sys_sendmsg+0xee/0x170
[ 1907.641979][   T72]      __sys_sendmsg+0xcd/0x170
[ 1907.641979][   T72]      do_syscall_64+0xc6/0x1e0
[ 1907.641979][   T72] 
[ 1907.643968][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1907.643968][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1907.643968][   T72]      ipv6_find_idev+0x102/0x170
[ 1907.643968][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1907.643968][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1907.643968][   T72]      netlink_rcv_skb+0x130/0x360
[ 1907.643968][   T72]      netlink_unicast+0x449/0x710
[ 1907.643968][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1907.643968][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1907.643968][   T72]      ___sys_sendmsg+0xee/0x170
[ 1907.643968][   T72]      __sys_sendmsg+0xcd/0x170
[ 1907.643968][   T72]      do_syscall_64+0xc6/0x1e0
[ 1907.643968][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1907.643968][   T72] 
[ 1907.645517][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1907.645517][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1907.645517][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1907.645517][   T72]      ipv6_find_idev+0x102/0x170
[ 1907.645517][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1907.645517][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1907.645517][   T72]      netlink_rcv_skb+0x130/0x360
[ 1907.645517][   T72]      netlink_unicast+0x449/0x710
[ 1907.645517][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1907.645517][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1907.645517][   T72]      ___sys_sendmsg+0xee/0x170
[ 1907.645517][   T72]      __sys_sendmsg+0xcd/0x170
[ 1907.645517][   T72]      do_syscall_64+0xc6/0x1e0
[ 1907.645517][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1907.645517][   T72] 
[ 1917.887814][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1917.888296][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1917.888296][   T72]      netdev_get_by_index+0x5e/0x80
[ 1917.888296][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1917.888296][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1917.888296][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1917.888296][   T72]      ipv6_add_addr+0x411/0x2000
[ 1917.888296][   T72]      inet6_addr_add+0x30e/0xa40
[ 1917.888296][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1917.888296][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1917.888296][   T72]      netlink_rcv_skb+0x130/0x360
[ 1917.888296][   T72]      netlink_unicast+0x449/0x710
[ 1917.888296][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1917.888296][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1917.888296][   T72]      ___sys_sendmsg+0xee/0x170
[ 1917.888296][   T72]      __sys_sendmsg+0xcd/0x170
[ 1917.888296][   T72]      do_syscall_64+0xc6/0x1e0
[ 1917.888296][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1917.888296][   T72] 
[ 1917.890327][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1917.890327][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1917.890327][   T72]      ipv6_find_idev+0x102/0x170
[ 1917.890327][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1917.890327][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1917.890327][   T72]      netlink_rcv_skb+0x130/0x360
[ 1917.890327][   T72]      netlink_unicast+0x449/0x710
[ 1917.890327][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1917.890327][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1917.890327][   T72]      ___sys_sendmsg+0xee/0x170
[ 1917.890327][   T72]      __sys_sendmsg+0xcd/0x170
[ 1917.890327][   T72]      do_syscall_64+0xc6/0x1e0
[ 1917.890327][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1917.890327][   T72] 
[ 1917.891891][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1917.891891][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1917.891891][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1917.891891][   T72]      ipv6_find_idev+0x102/0x170
[ 1917.891891][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1917.891891][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1917.891891][   T72]      netlink_rcv_skb+0x130/0x360
[ 1917.891891][   T72]      netlink_unicast+0x449/0x710
[ 1917.891891][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1917.891891][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1917.891891][   T72]      ___sys_sendmsg+0xee/0x170
[ 1917.891891][   T72]      __sys_sendmsg+0xcd/0x170
[ 1917.891891][   T72]      do_syscall_64+0xc6/0x1e0
[ 1917.891891][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1917.891891][   T72] 
[ 1917.893598][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1917.893856][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1917.893856][   T72]      netdev_get_by_index+0x5e/0x80
[ 1917.893856][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1917.893856][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1917.893856][   T72]      ip6_route_add+0x1c/0x140
[ 1917.893856][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1917.893856][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1917.893856][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1917.893856][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1917.893856][   T72]      netlink_rcv_skb+0x130/0x360
[ 1917.893856][   T72]      netlink_unicast+0x449/0x710
[ 1917.893856][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1917.893856][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1917.893856][   T72]      ___sys_sendmsg+0xee/0x170
[ 1917.893856][   T72]      __sys_sendmsg+0xcd/0x170
[ 1917.893856][   T72]      do_syscall_64+0xc6/0x1e0
[ 1917.893856][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1917.893856][   T72] 
[ 1917.895869][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1917.895869][   T72]      netdev_get_by_index+0x5e/0x80
[ 1917.895869][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1917.895869][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1917.895869][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1917.895869][   T72]      ipv6_add_addr+0x411/0x2000
[ 1917.895869][   T72]      inet6_addr_add+0x30e/0xa40
[ 1917.895869][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1917.895869][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1917.895869][   T72]      netlink_rcv_skb+0x130/0x360
[ 1917.895869][   T72]      netlink_unicast+0x449/0x710
[ 1917.895869][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1917.895869][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1917.895869][   T72]      ___sys_sendmsg+0xee/0x170
[ 1917.895869][   T72]      __sys_sendmsg+0xcd/0x170
[ 1917.895869][   T72]      do_syscall_64+0xc6/0x1e0
[ 1917.895869][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1917.895869][   T72] 
[ 1917.897886][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1917.897886][   T72]      netdev_get_by_index+0x5e/0x80
[ 1917.897886][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1917.897886][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1917.897886][   T72]      ip6_route_add+0x1c/0x140
[ 1917.897886][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1917.897886][   T72]      addrconf_add_dev+0xe2/0x170
[ 1917.897886][   T72]      inet6_addr_add+0x12f/0xa40
[ 1917.897886][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1917.897886][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1917.897886][   T72]      netlink_rcv_skb+0x130/0x360
[ 1917.897886][   T72]      netlink_unicast+0x449/0x710
[ 1917.897886][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1917.897886][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1917.897886][   T72]      ___sys_sendmsg+0xee/0x170
[ 1917.897886][   T72]      __sys_sendmsg+0xcd/0x170
[ 1917.897886][   T72]      do_syscall_64+0xc6/0x1e0
[ 1917.897886][   T72] 
[ 1917.899905][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1917.899905][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1917.899905][   T72]      ipv6_find_idev+0x102/0x170
[ 1917.899905][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1917.899905][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1917.899905][   T72]      netlink_rcv_skb+0x130/0x360
[ 1917.899905][   T72]      netlink_unicast+0x449/0x710
[ 1917.899905][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1917.899905][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1917.899905][   T72]      ___sys_sendmsg+0xee/0x170
[ 1917.899905][   T72]      __sys_sendmsg+0xcd/0x170
[ 1917.899905][   T72]      do_syscall_64+0xc6/0x1e0
[ 1917.899905][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1917.899905][   T72] 
[ 1917.901451][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1917.901451][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1917.901451][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1917.901451][   T72]      ipv6_find_idev+0x102/0x170
[ 1917.901451][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1917.901451][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1917.901451][   T72]      netlink_rcv_skb+0x130/0x360
[ 1917.901451][   T72]      netlink_unicast+0x449/0x710
[ 1917.901451][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1917.901451][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1917.901451][   T72]      ___sys_sendmsg+0xee/0x170
[ 1917.901451][   T72]      __sys_sendmsg+0xcd/0x170
[ 1917.901451][   T72]      do_syscall_64+0xc6/0x1e0
[ 1917.901451][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1917.901451][   T72] 
[ 1927.943811][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1927.944274][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1927.944274][   T72]      netdev_get_by_index+0x5e/0x80
[ 1927.944274][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1927.944274][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1927.944274][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1927.944274][   T72]      ipv6_add_addr+0x411/0x2000
[ 1927.944274][   T72]      inet6_addr_add+0x30e/0xa40
[ 1927.944274][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1927.944274][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1927.944274][   T72]      netlink_rcv_skb+0x130/0x360
[ 1927.944274][   T72]      netlink_unicast+0x449/0x710
[ 1927.944274][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1927.944274][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1927.944274][   T72]      ___sys_sendmsg+0xee/0x170
[ 1927.944274][   T72]      __sys_sendmsg+0xcd/0x170
[ 1927.944274][   T72]      do_syscall_64+0xc6/0x1e0
[ 1927.944274][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1927.944274][   T72] 
[ 1927.946340][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1927.946340][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1927.946340][   T72]      ipv6_find_idev+0x102/0x170
[ 1927.946340][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1927.946340][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1927.946340][   T72]      netlink_rcv_skb+0x130/0x360
[ 1927.946340][   T72]      netlink_unicast+0x449/0x710
[ 1927.946340][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1927.946340][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1927.946340][   T72]      ___sys_sendmsg+0xee/0x170
[ 1927.946340][   T72]      __sys_sendmsg+0xcd/0x170
[ 1927.946340][   T72]      do_syscall_64+0xc6/0x1e0
[ 1927.946340][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1927.946340][   T72] 
[ 1927.947920][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1927.947920][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1927.947920][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1927.947920][   T72]      ipv6_find_idev+0x102/0x170
[ 1927.947920][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1927.947920][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1927.947920][   T72]      netlink_rcv_skb+0x130/0x360
[ 1927.947920][   T72]      netlink_unicast+0x449/0x710
[ 1927.947920][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1927.947920][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1927.947920][   T72]      ___sys_sendmsg+0xee/0x170
[ 1927.947920][   T72]      __sys_sendmsg+0xcd/0x170
[ 1927.947920][   T72]      do_syscall_64+0xc6/0x1e0
[ 1927.947920][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1927.947920][   T72] 
[ 1927.950033][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1927.950285][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1927.950285][   T72]      netdev_get_by_index+0x5e/0x80
[ 1927.950285][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1927.950285][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1927.950285][   T72]      ip6_route_add+0x1c/0x140
[ 1927.950285][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1927.950285][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1927.950285][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1927.950285][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1927.950285][   T72]      netlink_rcv_skb+0x130/0x360
[ 1927.950285][   T72]      netlink_unicast+0x449/0x710
[ 1927.950285][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1927.950285][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1927.950285][   T72]      ___sys_sendmsg+0xee/0x170
[ 1927.950285][   T72]      __sys_sendmsg+0xcd/0x170
[ 1927.950285][   T72]      do_syscall_64+0xc6/0x1e0
[ 1927.950285][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1927.950285][   T72] 
[ 1927.952348][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1927.952348][   T72]      netdev_get_by_index+0x5e/0x80
[ 1927.952348][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1927.952348][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1927.952348][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1927.952348][   T72]      ipv6_add_addr+0x411/0x2000
[ 1927.952348][   T72]      inet6_addr_add+0x30e/0xa40
[ 1927.952348][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1927.952348][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1927.952348][   T72]      netlink_rcv_skb+0x130/0x360
[ 1927.952348][   T72]      netlink_unicast+0x449/0x710
[ 1927.952348][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1927.952348][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1927.952348][   T72]      ___sys_sendmsg+0xee/0x170
[ 1927.952348][   T72]      __sys_sendmsg+0xcd/0x170
[ 1927.952348][   T72]      do_syscall_64+0xc6/0x1e0
[ 1927.952348][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1927.952348][   T72] 
[ 1927.954392][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1927.954392][   T72]      netdev_get_by_index+0x5e/0x80
[ 1927.954392][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1927.954392][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1927.954392][   T72]      ip6_route_add+0x1c/0x140
[ 1927.954392][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1927.954392][   T72]      addrconf_add_dev+0xe2/0x170
[ 1927.954392][   T72]      inet6_addr_add+0x12f/0xa40
[ 1927.954392][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1927.954392][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1927.954392][   T72]      netlink_rcv_skb+0x130/0x360
[ 1927.954392][   T72]      netlink_unicast+0x449/0x710
[ 1927.954392][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1927.954392][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1927.954392][   T72]      ___sys_sendmsg+0xee/0x170
[ 1927.954392][   T72]      __sys_sendmsg+0xcd/0x170
[ 1927.954392][   T72]      do_syscall_64+0xc6/0x1e0
[ 1927.954392][   T72] 
[ 1927.956435][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1927.956435][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1927.956435][   T72]      ipv6_find_idev+0x102/0x170
[ 1927.956435][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1927.956435][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1927.956435][   T72]      netlink_rcv_skb+0x130/0x360
[ 1927.956435][   T72]      netlink_unicast+0x449/0x710
[ 1927.956435][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1927.956435][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1927.956435][   T72]      ___sys_sendmsg+0xee/0x170
[ 1927.956435][   T72]      __sys_sendmsg+0xcd/0x170
[ 1927.956435][   T72]      do_syscall_64+0xc6/0x1e0
[ 1927.956435][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1927.956435][   T72] 
[ 1927.958023][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1927.958023][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1927.958023][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1927.958023][   T72]      ipv6_find_idev+0x102/0x170
[ 1927.958023][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1927.958023][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1927.958023][   T72]      netlink_rcv_skb+0x130/0x360
[ 1927.958023][   T72]      netlink_unicast+0x449/0x710
[ 1927.958023][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1927.958023][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1927.958023][   T72]      ___sys_sendmsg+0xee/0x170
[ 1927.958023][   T72]      __sys_sendmsg+0xcd/0x170
[ 1927.958023][   T72]      do_syscall_64+0xc6/0x1e0
[ 1927.958023][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1927.958023][   T72] 
[ 1938.199821][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1938.200269][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1938.200269][   T72]      netdev_get_by_index+0x5e/0x80
[ 1938.200269][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1938.200269][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1938.200269][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1938.200269][   T72]      ipv6_add_addr+0x411/0x2000
[ 1938.200269][   T72]      inet6_addr_add+0x30e/0xa40
[ 1938.200269][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1938.200269][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1938.200269][   T72]      netlink_rcv_skb+0x130/0x360
[ 1938.200269][   T72]      netlink_unicast+0x449/0x710
[ 1938.200269][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1938.200269][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1938.200269][   T72]      ___sys_sendmsg+0xee/0x170
[ 1938.200269][   T72]      __sys_sendmsg+0xcd/0x170
[ 1938.200269][   T72]      do_syscall_64+0xc6/0x1e0
[ 1938.200269][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1938.200269][   T72] 
[ 1938.202388][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1938.202388][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1938.202388][   T72]      ipv6_find_idev+0x102/0x170
[ 1938.202388][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1938.202388][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1938.202388][   T72]      netlink_rcv_skb+0x130/0x360
[ 1938.202388][   T72]      netlink_unicast+0x449/0x710
[ 1938.202388][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1938.202388][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1938.202388][   T72]      ___sys_sendmsg+0xee/0x170
[ 1938.202388][   T72]      __sys_sendmsg+0xcd/0x170
[ 1938.202388][   T72]      do_syscall_64+0xc6/0x1e0
[ 1938.202388][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1938.202388][   T72] 
[ 1938.203994][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1938.203994][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1938.203994][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1938.203994][   T72]      ipv6_find_idev+0x102/0x170
[ 1938.203994][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1938.203994][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1938.203994][   T72]      netlink_rcv_skb+0x130/0x360
[ 1938.203994][   T72]      netlink_unicast+0x449/0x710
[ 1938.203994][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1938.203994][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1938.203994][   T72]      ___sys_sendmsg+0xee/0x170
[ 1938.203994][   T72]      __sys_sendmsg+0xcd/0x170
[ 1938.203994][   T72]      do_syscall_64+0xc6/0x1e0
[ 1938.203994][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1938.203994][   T72] 
[ 1938.205716][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1938.205981][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1938.205981][   T72]      netdev_get_by_index+0x5e/0x80
[ 1938.205981][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1938.205981][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1938.205981][   T72]      ip6_route_add+0x1c/0x140
[ 1938.205981][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1938.205981][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1938.205981][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1938.205981][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1938.205981][   T72]      netlink_rcv_skb+0x130/0x360
[ 1938.205981][   T72]      netlink_unicast+0x449/0x710
[ 1938.205981][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1938.205981][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1938.205981][   T72]      ___sys_sendmsg+0xee/0x170
[ 1938.205981][   T72]      __sys_sendmsg+0xcd/0x170
[ 1938.205981][   T72]      do_syscall_64+0xc6/0x1e0
[ 1938.205981][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1938.205981][   T72] 
[ 1938.208029][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1938.208029][   T72]      netdev_get_by_index+0x5e/0x80
[ 1938.208029][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1938.208029][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1938.208029][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1938.208029][   T72]      ipv6_add_addr+0x411/0x2000
[ 1938.208029][   T72]      inet6_addr_add+0x30e/0xa40
[ 1938.208029][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1938.208029][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1938.208029][   T72]      netlink_rcv_skb+0x130/0x360
[ 1938.208029][   T72]      netlink_unicast+0x449/0x710
[ 1938.208029][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1938.208029][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1938.208029][   T72]      ___sys_sendmsg+0xee/0x170
[ 1938.208029][   T72]      __sys_sendmsg+0xcd/0x170
[ 1938.208029][   T72]      do_syscall_64+0xc6/0x1e0
[ 1938.208029][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1938.208029][   T72] 
[ 1938.210065][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1938.210065][   T72]      netdev_get_by_index+0x5e/0x80
[ 1938.210065][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1938.210065][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1938.210065][   T72]      ip6_route_add+0x1c/0x140
[ 1938.210065][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1938.210065][   T72]      addrconf_add_dev+0xe2/0x170
[ 1938.210065][   T72]      inet6_addr_add+0x12f/0xa40
[ 1938.210065][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1938.210065][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1938.210065][   T72]      netlink_rcv_skb+0x130/0x360
[ 1938.210065][   T72]      netlink_unicast+0x449/0x710
[ 1938.210065][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1938.210065][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1938.210065][   T72]      ___sys_sendmsg+0xee/0x170
[ 1938.210065][   T72]      __sys_sendmsg+0xcd/0x170
[ 1938.210065][   T72]      do_syscall_64+0xc6/0x1e0
[ 1938.210065][   T72] 
[ 1938.212077][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1938.212077][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1938.212077][   T72]      ipv6_find_idev+0x102/0x170
[ 1938.212077][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1938.212077][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1938.212077][   T72]      netlink_rcv_skb+0x130/0x360
[ 1938.212077][   T72]      netlink_unicast+0x449/0x710
[ 1938.212077][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1938.212077][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1938.212077][   T72]      ___sys_sendmsg+0xee/0x170
[ 1938.212077][   T72]      __sys_sendmsg+0xcd/0x170
[ 1938.212077][   T72]      do_syscall_64+0xc6/0x1e0
[ 1938.212077][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1938.212077][   T72] 
[ 1938.213645][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1938.213645][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1938.213645][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1938.213645][   T72]      ipv6_find_idev+0x102/0x170
[ 1938.213645][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1938.213645][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1938.213645][   T72]      netlink_rcv_skb+0x130/0x360
[ 1938.213645][   T72]      netlink_unicast+0x449/0x710
[ 1938.213645][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1938.213645][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1938.213645][   T72]      ___sys_sendmsg+0xee/0x170
[ 1938.213645][   T72]      __sys_sendmsg+0xcd/0x170
[ 1938.213645][   T72]      do_syscall_64+0xc6/0x1e0
[ 1938.213645][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1938.213645][   T72] 
[ 1948.399873][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1948.400341][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1948.400341][   T72]      netdev_get_by_index+0x5e/0x80
[ 1948.400341][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1948.400341][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1948.400341][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1948.400341][   T72]      ipv6_add_addr+0x411/0x2000
[ 1948.400341][   T72]      inet6_addr_add+0x30e/0xa40
[ 1948.400341][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1948.400341][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1948.400341][   T72]      netlink_rcv_skb+0x130/0x360
[ 1948.400341][   T72]      netlink_unicast+0x449/0x710
[ 1948.400341][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1948.400341][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1948.400341][   T72]      ___sys_sendmsg+0xee/0x170
[ 1948.400341][   T72]      __sys_sendmsg+0xcd/0x170
[ 1948.400341][   T72]      do_syscall_64+0xc6/0x1e0
[ 1948.400341][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1948.400341][   T72] 
[ 1948.402425][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1948.402425][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1948.402425][   T72]      ipv6_find_idev+0x102/0x170
[ 1948.402425][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1948.402425][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1948.402425][   T72]      netlink_rcv_skb+0x130/0x360
[ 1948.402425][   T72]      netlink_unicast+0x449/0x710
[ 1948.402425][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1948.402425][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1948.402425][   T72]      ___sys_sendmsg+0xee/0x170
[ 1948.402425][   T72]      __sys_sendmsg+0xcd/0x170
[ 1948.402425][   T72]      do_syscall_64+0xc6/0x1e0
[ 1948.402425][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1948.402425][   T72] 
[ 1948.403987][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1948.403987][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1948.403987][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1948.403987][   T72]      ipv6_find_idev+0x102/0x170
[ 1948.403987][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1948.403987][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1948.403987][   T72]      netlink_rcv_skb+0x130/0x360
[ 1948.403987][   T72]      netlink_unicast+0x449/0x710
[ 1948.403987][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1948.403987][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1948.403987][   T72]      ___sys_sendmsg+0xee/0x170
[ 1948.403987][   T72]      __sys_sendmsg+0xcd/0x170
[ 1948.403987][   T72]      do_syscall_64+0xc6/0x1e0
[ 1948.403987][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1948.403987][   T72] 
[ 1948.405693][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1948.405953][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1948.405953][   T72]      netdev_get_by_index+0x5e/0x80
[ 1948.405953][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1948.405953][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1948.405953][   T72]      ip6_route_add+0x1c/0x140
[ 1948.405953][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1948.405953][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1948.405953][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1948.405953][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1948.405953][   T72]      netlink_rcv_skb+0x130/0x360
[ 1948.405953][   T72]      netlink_unicast+0x449/0x710
[ 1948.405953][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1948.405953][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1948.405953][   T72]      ___sys_sendmsg+0xee/0x170
[ 1948.405953][   T72]      __sys_sendmsg+0xcd/0x170
[ 1948.405953][   T72]      do_syscall_64+0xc6/0x1e0
[ 1948.405953][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1948.405953][   T72] 
[ 1948.407976][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1948.407976][   T72]      netdev_get_by_index+0x5e/0x80
[ 1948.407976][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1948.407976][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1948.407976][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1948.407976][   T72]      ipv6_add_addr+0x411/0x2000
[ 1948.407976][   T72]      inet6_addr_add+0x30e/0xa40
[ 1948.407976][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1948.407976][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1948.407976][   T72]      netlink_rcv_skb+0x130/0x360
[ 1948.407976][   T72]      netlink_unicast+0x449/0x710
[ 1948.407976][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1948.407976][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1948.407976][   T72]      ___sys_sendmsg+0xee/0x170
[ 1948.407976][   T72]      __sys_sendmsg+0xcd/0x170
[ 1948.407976][   T72]      do_syscall_64+0xc6/0x1e0
[ 1948.407976][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1948.407976][   T72] 
[ 1948.409997][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1948.409997][   T72]      netdev_get_by_index+0x5e/0x80
[ 1948.409997][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1948.409997][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1948.409997][   T72]      ip6_route_add+0x1c/0x140
[ 1948.409997][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1948.409997][   T72]      addrconf_add_dev+0xe2/0x170
[ 1948.409997][   T72]      inet6_addr_add+0x12f/0xa40
[ 1948.409997][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1948.409997][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1948.409997][   T72]      netlink_rcv_skb+0x130/0x360
[ 1948.409997][   T72]      netlink_unicast+0x449/0x710
[ 1948.409997][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1948.409997][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1948.409997][   T72]      ___sys_sendmsg+0xee/0x170
[ 1948.409997][   T72]      __sys_sendmsg+0xcd/0x170
[ 1948.409997][   T72]      do_syscall_64+0xc6/0x1e0
[ 1948.409997][   T72] 
[ 1948.411981][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1948.411981][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1948.411981][   T72]      ipv6_find_idev+0x102/0x170
[ 1948.411981][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1948.411981][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1948.411981][   T72]      netlink_rcv_skb+0x130/0x360
[ 1948.411981][   T72]      netlink_unicast+0x449/0x710
[ 1948.411981][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1948.411981][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1948.411981][   T72]      ___sys_sendmsg+0xee/0x170
[ 1948.411981][   T72]      __sys_sendmsg+0xcd/0x170
[ 1948.411981][   T72]      do_syscall_64+0xc6/0x1e0
[ 1948.411981][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1948.411981][   T72] 
[ 1948.413544][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1948.413544][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1948.413544][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1948.413544][   T72]      ipv6_find_idev+0x102/0x170
[ 1948.413544][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1948.413544][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1948.413544][   T72]      netlink_rcv_skb+0x130/0x360
[ 1948.413544][   T72]      netlink_unicast+0x449/0x710
[ 1948.413544][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1948.413544][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1948.413544][   T72]      ___sys_sendmsg+0xee/0x170
[ 1948.413544][   T72]      __sys_sendmsg+0xcd/0x170
[ 1948.413544][   T72]      do_syscall_64+0xc6/0x1e0
[ 1948.413544][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1948.413544][   T72] 
[ 1958.655948][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1958.656393][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1958.656393][   T72]      netdev_get_by_index+0x5e/0x80
[ 1958.656393][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1958.656393][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1958.656393][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1958.656393][   T72]      ipv6_add_addr+0x411/0x2000
[ 1958.656393][   T72]      inet6_addr_add+0x30e/0xa40
[ 1958.656393][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1958.656393][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1958.656393][   T72]      netlink_rcv_skb+0x130/0x360
[ 1958.656393][   T72]      netlink_unicast+0x449/0x710
[ 1958.656393][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1958.656393][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1958.656393][   T72]      ___sys_sendmsg+0xee/0x170
[ 1958.656393][   T72]      __sys_sendmsg+0xcd/0x170
[ 1958.656393][   T72]      do_syscall_64+0xc6/0x1e0
[ 1958.656393][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1958.656393][   T72] 
[ 1958.658445][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1958.658445][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1958.658445][   T72]      ipv6_find_idev+0x102/0x170
[ 1958.658445][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1958.658445][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1958.658445][   T72]      netlink_rcv_skb+0x130/0x360
[ 1958.658445][   T72]      netlink_unicast+0x449/0x710
[ 1958.658445][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1958.658445][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1958.658445][   T72]      ___sys_sendmsg+0xee/0x170
[ 1958.658445][   T72]      __sys_sendmsg+0xcd/0x170
[ 1958.658445][   T72]      do_syscall_64+0xc6/0x1e0
[ 1958.658445][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1958.658445][   T72] 
[ 1958.660008][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1958.660008][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1958.660008][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1958.660008][   T72]      ipv6_find_idev+0x102/0x170
[ 1958.660008][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1958.660008][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1958.660008][   T72]      netlink_rcv_skb+0x130/0x360
[ 1958.660008][   T72]      netlink_unicast+0x449/0x710
[ 1958.660008][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1958.660008][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1958.660008][   T72]      ___sys_sendmsg+0xee/0x170
[ 1958.660008][   T72]      __sys_sendmsg+0xcd/0x170
[ 1958.660008][   T72]      do_syscall_64+0xc6/0x1e0
[ 1958.660008][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1958.660008][   T72] 
[ 1958.661725][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1958.662009][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1958.662009][   T72]      netdev_get_by_index+0x5e/0x80
[ 1958.662009][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1958.662009][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1958.662009][   T72]      ip6_route_add+0x1c/0x140
[ 1958.662009][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1958.662009][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1958.662009][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1958.662009][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1958.662009][   T72]      netlink_rcv_skb+0x130/0x360
[ 1958.662009][   T72]      netlink_unicast+0x449/0x710
[ 1958.662009][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1958.662009][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1958.662009][   T72]      ___sys_sendmsg+0xee/0x170
[ 1958.662009][   T72]      __sys_sendmsg+0xcd/0x170
[ 1958.662009][   T72]      do_syscall_64+0xc6/0x1e0
[ 1958.662009][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1958.662009][   T72] 
[ 1958.664045][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1958.664045][   T72]      netdev_get_by_index+0x5e/0x80
[ 1958.664045][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1958.664045][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1958.664045][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1958.664045][   T72]      ipv6_add_addr+0x411/0x2000
[ 1958.664045][   T72]      inet6_addr_add+0x30e/0xa40
[ 1958.664045][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1958.664045][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1958.664045][   T72]      netlink_rcv_skb+0x130/0x360
[ 1958.664045][   T72]      netlink_unicast+0x449/0x710
[ 1958.664045][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1958.664045][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1958.664045][   T72]      ___sys_sendmsg+0xee/0x170
[ 1958.664045][   T72]      __sys_sendmsg+0xcd/0x170
[ 1958.664045][   T72]      do_syscall_64+0xc6/0x1e0
[ 1958.664045][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1958.664045][   T72] 
[ 1958.666078][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1958.666078][   T72]      netdev_get_by_index+0x5e/0x80
[ 1958.666078][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1958.666078][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1958.666078][   T72]      ip6_route_add+0x1c/0x140
[ 1958.666078][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1958.666078][   T72]      addrconf_add_dev+0xe2/0x170
[ 1958.666078][   T72]      inet6_addr_add+0x12f/0xa40
[ 1958.666078][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1958.666078][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1958.666078][   T72]      netlink_rcv_skb+0x130/0x360
[ 1958.666078][   T72]      netlink_unicast+0x449/0x710
[ 1958.666078][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1958.666078][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1958.666078][   T72]      ___sys_sendmsg+0xee/0x170
[ 1958.666078][   T72]      __sys_sendmsg+0xcd/0x170
[ 1958.666078][   T72]      do_syscall_64+0xc6/0x1e0
[ 1958.666078][   T72] 
[ 1958.668073][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1958.668073][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1958.668073][   T72]      ipv6_find_idev+0x102/0x170
[ 1958.668073][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1958.668073][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1958.668073][   T72]      netlink_rcv_skb+0x130/0x360
[ 1958.668073][   T72]      netlink_unicast+0x449/0x710
[ 1958.668073][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1958.668073][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1958.668073][   T72]      ___sys_sendmsg+0xee/0x170
[ 1958.668073][   T72]      __sys_sendmsg+0xcd/0x170
[ 1958.668073][   T72]      do_syscall_64+0xc6/0x1e0
[ 1958.668073][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1958.668073][   T72] 
[ 1958.669626][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1958.669626][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1958.669626][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1958.669626][   T72]      ipv6_find_idev+0x102/0x170
[ 1958.669626][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1958.669626][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1958.669626][   T72]      netlink_rcv_skb+0x130/0x360
[ 1958.669626][   T72]      netlink_unicast+0x449/0x710
[ 1958.669626][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1958.669626][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1958.669626][   T72]      ___sys_sendmsg+0xee/0x170
[ 1958.669626][   T72]      __sys_sendmsg+0xcd/0x170
[ 1958.669626][   T72]      do_syscall_64+0xc6/0x1e0
[ 1958.669626][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1958.669626][   T72] 
[ 1968.911887][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1968.912381][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1968.912381][   T72]      netdev_get_by_index+0x5e/0x80
[ 1968.912381][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1968.912381][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1968.912381][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1968.912381][   T72]      ipv6_add_addr+0x411/0x2000
[ 1968.912381][   T72]      inet6_addr_add+0x30e/0xa40
[ 1968.912381][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1968.912381][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1968.912381][   T72]      netlink_rcv_skb+0x130/0x360
[ 1968.912381][   T72]      netlink_unicast+0x449/0x710
[ 1968.912381][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1968.912381][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1968.912381][   T72]      ___sys_sendmsg+0xee/0x170
[ 1968.912381][   T72]      __sys_sendmsg+0xcd/0x170
[ 1968.912381][   T72]      do_syscall_64+0xc6/0x1e0
[ 1968.912381][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1968.912381][   T72] 
[ 1968.914423][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1968.914423][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1968.914423][   T72]      ipv6_find_idev+0x102/0x170
[ 1968.914423][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1968.914423][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1968.914423][   T72]      netlink_rcv_skb+0x130/0x360
[ 1968.914423][   T72]      netlink_unicast+0x449/0x710
[ 1968.914423][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1968.914423][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1968.914423][   T72]      ___sys_sendmsg+0xee/0x170
[ 1968.914423][   T72]      __sys_sendmsg+0xcd/0x170
[ 1968.914423][   T72]      do_syscall_64+0xc6/0x1e0
[ 1968.914423][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1968.914423][   T72] 
[ 1968.915987][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1968.915987][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1968.915987][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1968.915987][   T72]      ipv6_find_idev+0x102/0x170
[ 1968.915987][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1968.915987][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1968.915987][   T72]      netlink_rcv_skb+0x130/0x360
[ 1968.915987][   T72]      netlink_unicast+0x449/0x710
[ 1968.915987][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1968.915987][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1968.915987][   T72]      ___sys_sendmsg+0xee/0x170
[ 1968.915987][   T72]      __sys_sendmsg+0xcd/0x170
[ 1968.915987][   T72]      do_syscall_64+0xc6/0x1e0
[ 1968.915987][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1968.915987][   T72] 
[ 1968.917711][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1968.917973][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1968.917973][   T72]      netdev_get_by_index+0x5e/0x80
[ 1968.917973][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1968.917973][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1968.917973][   T72]      ip6_route_add+0x1c/0x140
[ 1968.917973][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1968.917973][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1968.917973][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1968.917973][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1968.917973][   T72]      netlink_rcv_skb+0x130/0x360
[ 1968.917973][   T72]      netlink_unicast+0x449/0x710
[ 1968.917973][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1968.917973][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1968.917973][   T72]      ___sys_sendmsg+0xee/0x170
[ 1968.917973][   T72]      __sys_sendmsg+0xcd/0x170
[ 1968.917973][   T72]      do_syscall_64+0xc6/0x1e0
[ 1968.917973][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1968.917973][   T72] 
[ 1968.920006][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1968.920006][   T72]      netdev_get_by_index+0x5e/0x80
[ 1968.920006][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1968.920006][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1968.920006][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1968.920006][   T72]      ipv6_add_addr+0x411/0x2000
[ 1968.920006][   T72]      inet6_addr_add+0x30e/0xa40
[ 1968.920006][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1968.920006][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1968.920006][   T72]      netlink_rcv_skb+0x130/0x360
[ 1968.920006][   T72]      netlink_unicast+0x449/0x710
[ 1968.920006][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1968.920006][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1968.920006][   T72]      ___sys_sendmsg+0xee/0x170
[ 1968.920006][   T72]      __sys_sendmsg+0xcd/0x170
[ 1968.920006][   T72]      do_syscall_64+0xc6/0x1e0
[ 1968.920006][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1968.920006][   T72] 
[ 1968.922034][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1968.922034][   T72]      netdev_get_by_index+0x5e/0x80
[ 1968.922034][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1968.922034][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1968.922034][   T72]      ip6_route_add+0x1c/0x140
[ 1968.922034][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1968.922034][   T72]      addrconf_add_dev+0xe2/0x170
[ 1968.922034][   T72]      inet6_addr_add+0x12f/0xa40
[ 1968.922034][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1968.922034][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1968.922034][   T72]      netlink_rcv_skb+0x130/0x360
[ 1968.922034][   T72]      netlink_unicast+0x449/0x710
[ 1968.922034][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1968.922034][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1968.922034][   T72]      ___sys_sendmsg+0xee/0x170
[ 1968.922034][   T72]      __sys_sendmsg+0xcd/0x170
[ 1968.922034][   T72]      do_syscall_64+0xc6/0x1e0
[ 1968.922034][   T72] 
[ 1968.924014][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1968.924014][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1968.924014][   T72]      ipv6_find_idev+0x102/0x170
[ 1968.924014][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1968.924014][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1968.924014][   T72]      netlink_rcv_skb+0x130/0x360
[ 1968.924014][   T72]      netlink_unicast+0x449/0x710
[ 1968.924014][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1968.924014][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1968.924014][   T72]      ___sys_sendmsg+0xee/0x170
[ 1968.924014][   T72]      __sys_sendmsg+0xcd/0x170
[ 1968.924014][   T72]      do_syscall_64+0xc6/0x1e0
[ 1968.924014][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1968.924014][   T72] 
[ 1968.925574][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1968.925574][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1968.925574][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1968.925574][   T72]      ipv6_find_idev+0x102/0x170
[ 1968.925574][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1968.925574][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1968.925574][   T72]      netlink_rcv_skb+0x130/0x360
[ 1968.925574][   T72]      netlink_unicast+0x449/0x710
[ 1968.925574][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1968.925574][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1968.925574][   T72]      ___sys_sendmsg+0xee/0x170
[ 1968.925574][   T72]      __sys_sendmsg+0xcd/0x170
[ 1968.925574][   T72]      do_syscall_64+0xc6/0x1e0
[ 1968.925574][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1968.925574][   T72] 
[ 1979.151888][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1979.152355][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1979.152355][   T72]      netdev_get_by_index+0x5e/0x80
[ 1979.152355][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1979.152355][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1979.152355][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1979.152355][   T72]      ipv6_add_addr+0x411/0x2000
[ 1979.152355][   T72]      inet6_addr_add+0x30e/0xa40
[ 1979.152355][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1979.152355][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1979.152355][   T72]      netlink_rcv_skb+0x130/0x360
[ 1979.152355][   T72]      netlink_unicast+0x449/0x710
[ 1979.152355][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1979.152355][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1979.152355][   T72]      ___sys_sendmsg+0xee/0x170
[ 1979.152355][   T72]      __sys_sendmsg+0xcd/0x170
[ 1979.152355][   T72]      do_syscall_64+0xc6/0x1e0
[ 1979.152355][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1979.152355][   T72] 
[ 1979.154427][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1979.154427][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1979.154427][   T72]      ipv6_find_idev+0x102/0x170
[ 1979.154427][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1979.154427][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1979.154427][   T72]      netlink_rcv_skb+0x130/0x360
[ 1979.154427][   T72]      netlink_unicast+0x449/0x710
[ 1979.154427][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1979.154427][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1979.154427][   T72]      ___sys_sendmsg+0xee/0x170
[ 1979.154427][   T72]      __sys_sendmsg+0xcd/0x170
[ 1979.154427][   T72]      do_syscall_64+0xc6/0x1e0
[ 1979.154427][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1979.154427][   T72] 
[ 1979.156003][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1979.156003][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1979.156003][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1979.156003][   T72]      ipv6_find_idev+0x102/0x170
[ 1979.156003][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1979.156003][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1979.156003][   T72]      netlink_rcv_skb+0x130/0x360
[ 1979.156003][   T72]      netlink_unicast+0x449/0x710
[ 1979.156003][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1979.156003][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1979.156003][   T72]      ___sys_sendmsg+0xee/0x170
[ 1979.156003][   T72]      __sys_sendmsg+0xcd/0x170
[ 1979.156003][   T72]      do_syscall_64+0xc6/0x1e0
[ 1979.156003][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1979.156003][   T72] 
[ 1979.157756][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1979.158015][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1979.158015][   T72]      netdev_get_by_index+0x5e/0x80
[ 1979.158015][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1979.158015][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1979.158015][   T72]      ip6_route_add+0x1c/0x140
[ 1979.158015][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1979.158015][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1979.158015][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1979.158015][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1979.158015][   T72]      netlink_rcv_skb+0x130/0x360
[ 1979.158015][   T72]      netlink_unicast+0x449/0x710
[ 1979.158015][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1979.158015][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1979.158015][   T72]      ___sys_sendmsg+0xee/0x170
[ 1979.158015][   T72]      __sys_sendmsg+0xcd/0x170
[ 1979.158015][   T72]      do_syscall_64+0xc6/0x1e0
[ 1979.158015][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1979.158015][   T72] 
[ 1979.160040][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1979.160040][   T72]      netdev_get_by_index+0x5e/0x80
[ 1979.160040][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1979.160040][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1979.160040][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1979.160040][   T72]      ipv6_add_addr+0x411/0x2000
[ 1979.160040][   T72]      inet6_addr_add+0x30e/0xa40
[ 1979.160040][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1979.160040][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1979.160040][   T72]      netlink_rcv_skb+0x130/0x360
[ 1979.160040][   T72]      netlink_unicast+0x449/0x710
[ 1979.160040][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1979.160040][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1979.160040][   T72]      ___sys_sendmsg+0xee/0x170
[ 1979.160040][   T72]      __sys_sendmsg+0xcd/0x170
[ 1979.160040][   T72]      do_syscall_64+0xc6/0x1e0
[ 1979.160040][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1979.160040][   T72] 
[ 1979.162070][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1979.162070][   T72]      netdev_get_by_index+0x5e/0x80
[ 1979.162070][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1979.162070][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1979.162070][   T72]      ip6_route_add+0x1c/0x140
[ 1979.162070][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1979.162070][   T72]      addrconf_add_dev+0xe2/0x170
[ 1979.162070][   T72]      inet6_addr_add+0x12f/0xa40
[ 1979.162070][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1979.162070][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1979.162070][   T72]      netlink_rcv_skb+0x130/0x360
[ 1979.162070][   T72]      netlink_unicast+0x449/0x710
[ 1979.162070][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1979.162070][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1979.162070][   T72]      ___sys_sendmsg+0xee/0x170
[ 1979.162070][   T72]      __sys_sendmsg+0xcd/0x170
[ 1979.162070][   T72]      do_syscall_64+0xc6/0x1e0
[ 1979.162070][   T72] 
[ 1979.164046][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1979.164046][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1979.164046][   T72]      ipv6_find_idev+0x102/0x170
[ 1979.164046][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1979.164046][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1979.164046][   T72]      netlink_rcv_skb+0x130/0x360
[ 1979.164046][   T72]      netlink_unicast+0x449/0x710
[ 1979.164046][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1979.164046][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1979.164046][   T72]      ___sys_sendmsg+0xee/0x170
[ 1979.164046][   T72]      __sys_sendmsg+0xcd/0x170
[ 1979.164046][   T72]      do_syscall_64+0xc6/0x1e0
[ 1979.164046][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1979.164046][   T72] 
[ 1979.165597][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1979.165597][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1979.165597][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1979.165597][   T72]      ipv6_find_idev+0x102/0x170
[ 1979.165597][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1979.165597][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1979.165597][   T72]      netlink_rcv_skb+0x130/0x360
[ 1979.165597][   T72]      netlink_unicast+0x449/0x710
[ 1979.165597][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1979.165597][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1979.165597][   T72]      ___sys_sendmsg+0xee/0x170
[ 1979.165597][   T72]      __sys_sendmsg+0xcd/0x170
[ 1979.165597][   T72]      do_syscall_64+0xc6/0x1e0
[ 1979.165597][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1979.165597][   T72] 
[ 1989.407888][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1989.408334][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1989.408334][   T72]      netdev_get_by_index+0x5e/0x80
[ 1989.408334][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1989.408334][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1989.408334][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1989.408334][   T72]      ipv6_add_addr+0x411/0x2000
[ 1989.408334][   T72]      inet6_addr_add+0x30e/0xa40
[ 1989.408334][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1989.408334][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1989.408334][   T72]      netlink_rcv_skb+0x130/0x360
[ 1989.408334][   T72]      netlink_unicast+0x449/0x710
[ 1989.408334][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1989.408334][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1989.408334][   T72]      ___sys_sendmsg+0xee/0x170
[ 1989.408334][   T72]      __sys_sendmsg+0xcd/0x170
[ 1989.408334][   T72]      do_syscall_64+0xc6/0x1e0
[ 1989.408334][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1989.408334][   T72] 
[ 1989.410418][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1989.410418][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1989.410418][   T72]      ipv6_find_idev+0x102/0x170
[ 1989.410418][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1989.410418][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1989.410418][   T72]      netlink_rcv_skb+0x130/0x360
[ 1989.410418][   T72]      netlink_unicast+0x449/0x710
[ 1989.410418][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1989.410418][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1989.410418][   T72]      ___sys_sendmsg+0xee/0x170
[ 1989.410418][   T72]      __sys_sendmsg+0xcd/0x170
[ 1989.410418][   T72]      do_syscall_64+0xc6/0x1e0
[ 1989.410418][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1989.410418][   T72] 
[ 1989.411993][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1989.411993][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1989.411993][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1989.411993][   T72]      ipv6_find_idev+0x102/0x170
[ 1989.411993][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1989.411993][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1989.411993][   T72]      netlink_rcv_skb+0x130/0x360
[ 1989.411993][   T72]      netlink_unicast+0x449/0x710
[ 1989.411993][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1989.411993][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1989.411993][   T72]      ___sys_sendmsg+0xee/0x170
[ 1989.411993][   T72]      __sys_sendmsg+0xcd/0x170
[ 1989.411993][   T72]      do_syscall_64+0xc6/0x1e0
[ 1989.411993][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1989.411993][   T72] 
[ 1989.413704][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1989.413962][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1989.413962][   T72]      netdev_get_by_index+0x5e/0x80
[ 1989.413962][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1989.413962][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1989.413962][   T72]      ip6_route_add+0x1c/0x140
[ 1989.413962][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1989.413962][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1989.413962][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1989.413962][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1989.413962][   T72]      netlink_rcv_skb+0x130/0x360
[ 1989.413962][   T72]      netlink_unicast+0x449/0x710
[ 1989.413962][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1989.413962][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1989.413962][   T72]      ___sys_sendmsg+0xee/0x170
[ 1989.413962][   T72]      __sys_sendmsg+0xcd/0x170
[ 1989.413962][   T72]      do_syscall_64+0xc6/0x1e0
[ 1989.413962][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1989.413962][   T72] 
[ 1989.415989][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1989.415989][   T72]      netdev_get_by_index+0x5e/0x80
[ 1989.415989][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1989.415989][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1989.415989][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1989.415989][   T72]      ipv6_add_addr+0x411/0x2000
[ 1989.415989][   T72]      inet6_addr_add+0x30e/0xa40
[ 1989.415989][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1989.415989][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1989.415989][   T72]      netlink_rcv_skb+0x130/0x360
[ 1989.415989][   T72]      netlink_unicast+0x449/0x710
[ 1989.415989][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1989.415989][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1989.415989][   T72]      ___sys_sendmsg+0xee/0x170
[ 1989.415989][   T72]      __sys_sendmsg+0xcd/0x170
[ 1989.415989][   T72]      do_syscall_64+0xc6/0x1e0
[ 1989.415989][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1989.415989][   T72] 
[ 1989.418064][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1989.418064][   T72]      netdev_get_by_index+0x5e/0x80
[ 1989.418064][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1989.418064][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1989.418064][   T72]      ip6_route_add+0x1c/0x140
[ 1989.418064][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1989.418064][   T72]      addrconf_add_dev+0xe2/0x170
[ 1989.418064][   T72]      inet6_addr_add+0x12f/0xa40
[ 1989.418064][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1989.418064][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1989.418064][   T72]      netlink_rcv_skb+0x130/0x360
[ 1989.418064][   T72]      netlink_unicast+0x449/0x710
[ 1989.418064][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1989.418064][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1989.418064][   T72]      ___sys_sendmsg+0xee/0x170
[ 1989.418064][   T72]      __sys_sendmsg+0xcd/0x170
[ 1989.418064][   T72]      do_syscall_64+0xc6/0x1e0
[ 1989.418064][   T72] 
[ 1989.420073][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1989.420073][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1989.420073][   T72]      ipv6_find_idev+0x102/0x170
[ 1989.420073][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1989.420073][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1989.420073][   T72]      netlink_rcv_skb+0x130/0x360
[ 1989.420073][   T72]      netlink_unicast+0x449/0x710
[ 1989.420073][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1989.420073][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1989.420073][   T72]      ___sys_sendmsg+0xee/0x170
[ 1989.420073][   T72]      __sys_sendmsg+0xcd/0x170
[ 1989.420073][   T72]      do_syscall_64+0xc6/0x1e0
[ 1989.420073][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1989.420073][   T72] 
[ 1989.421657][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1989.421657][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1989.421657][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1989.421657][   T72]      ipv6_find_idev+0x102/0x170
[ 1989.421657][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1989.421657][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1989.421657][   T72]      netlink_rcv_skb+0x130/0x360
[ 1989.421657][   T72]      netlink_unicast+0x449/0x710
[ 1989.421657][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1989.421657][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1989.421657][   T72]      ___sys_sendmsg+0xee/0x170
[ 1989.421657][   T72]      __sys_sendmsg+0xcd/0x170
[ 1989.421657][   T72]      do_syscall_64+0xc6/0x1e0
[ 1989.421657][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1989.421657][   T72] 
[ 1999.591898][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 1999.592294][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1999.592294][   T72]      netdev_get_by_index+0x5e/0x80
[ 1999.592294][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1999.592294][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1999.592294][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1999.592294][   T72]      ipv6_add_addr+0x411/0x2000
[ 1999.592294][   T72]      inet6_addr_add+0x30e/0xa40
[ 1999.592294][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1999.592294][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1999.592294][   T72]      netlink_rcv_skb+0x130/0x360
[ 1999.592294][   T72]      netlink_unicast+0x449/0x710
[ 1999.592294][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1999.592294][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1999.592294][   T72]      ___sys_sendmsg+0xee/0x170
[ 1999.592294][   T72]      __sys_sendmsg+0xcd/0x170
[ 1999.592294][   T72]      do_syscall_64+0xc6/0x1e0
[ 1999.592294][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1999.592294][   T72] 
[ 1999.594351][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1999.594351][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1999.594351][   T72]      ipv6_find_idev+0x102/0x170
[ 1999.594351][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1999.594351][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1999.594351][   T72]      netlink_rcv_skb+0x130/0x360
[ 1999.594351][   T72]      netlink_unicast+0x449/0x710
[ 1999.594351][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1999.594351][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1999.594351][   T72]      ___sys_sendmsg+0xee/0x170
[ 1999.594351][   T72]      __sys_sendmsg+0xcd/0x170
[ 1999.594351][   T72]      do_syscall_64+0xc6/0x1e0
[ 1999.594351][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1999.594351][   T72] 
[ 1999.595921][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 1999.595921][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1999.595921][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1999.595921][   T72]      ipv6_find_idev+0x102/0x170
[ 1999.595921][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1999.595921][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1999.595921][   T72]      netlink_rcv_skb+0x130/0x360
[ 1999.595921][   T72]      netlink_unicast+0x449/0x710
[ 1999.595921][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1999.595921][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1999.595921][   T72]      ___sys_sendmsg+0xee/0x170
[ 1999.595921][   T72]      __sys_sendmsg+0xcd/0x170
[ 1999.595921][   T72]      do_syscall_64+0xc6/0x1e0
[ 1999.595921][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1999.595921][   T72] 
[ 1999.597635][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 1999.597900][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1999.597900][   T72]      netdev_get_by_index+0x5e/0x80
[ 1999.597900][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1999.597900][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1999.597900][   T72]      ip6_route_add+0x1c/0x140
[ 1999.597900][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 1999.597900][   T72]      inet6_addr_add+0x4f8/0xa40
[ 1999.597900][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1999.597900][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1999.597900][   T72]      netlink_rcv_skb+0x130/0x360
[ 1999.597900][   T72]      netlink_unicast+0x449/0x710
[ 1999.597900][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1999.597900][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1999.597900][   T72]      ___sys_sendmsg+0xee/0x170
[ 1999.597900][   T72]      __sys_sendmsg+0xcd/0x170
[ 1999.597900][   T72]      do_syscall_64+0xc6/0x1e0
[ 1999.597900][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1999.597900][   T72] 
[ 1999.599932][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1999.599932][   T72]      netdev_get_by_index+0x5e/0x80
[ 1999.599932][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1999.599932][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1999.599932][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 1999.599932][   T72]      ipv6_add_addr+0x411/0x2000
[ 1999.599932][   T72]      inet6_addr_add+0x30e/0xa40
[ 1999.599932][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1999.599932][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1999.599932][   T72]      netlink_rcv_skb+0x130/0x360
[ 1999.599932][   T72]      netlink_unicast+0x449/0x710
[ 1999.599932][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1999.599932][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1999.599932][   T72]      ___sys_sendmsg+0xee/0x170
[ 1999.599932][   T72]      __sys_sendmsg+0xcd/0x170
[ 1999.599932][   T72]      do_syscall_64+0xc6/0x1e0
[ 1999.599932][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1999.599932][   T72] 
[ 1999.601977][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1999.601977][   T72]      netdev_get_by_index+0x5e/0x80
[ 1999.601977][   T72]      fib6_nh_init+0x3d8/0x1580
[ 1999.601977][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 1999.601977][   T72]      ip6_route_add+0x1c/0x140
[ 1999.601977][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 1999.601977][   T72]      addrconf_add_dev+0xe2/0x170
[ 1999.601977][   T72]      inet6_addr_add+0x12f/0xa40
[ 1999.601977][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 1999.601977][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1999.601977][   T72]      netlink_rcv_skb+0x130/0x360
[ 1999.601977][   T72]      netlink_unicast+0x449/0x710
[ 1999.601977][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1999.601977][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1999.601977][   T72]      ___sys_sendmsg+0xee/0x170
[ 1999.601977][   T72]      __sys_sendmsg+0xcd/0x170
[ 1999.601977][   T72]      do_syscall_64+0xc6/0x1e0
[ 1999.601977][   T72] 
[ 1999.603972][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1999.603972][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 1999.603972][   T72]      ipv6_find_idev+0x102/0x170
[ 1999.603972][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1999.603972][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1999.603972][   T72]      netlink_rcv_skb+0x130/0x360
[ 1999.603972][   T72]      netlink_unicast+0x449/0x710
[ 1999.603972][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1999.603972][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1999.603972][   T72]      ___sys_sendmsg+0xee/0x170
[ 1999.603972][   T72]      __sys_sendmsg+0xcd/0x170
[ 1999.603972][   T72]      do_syscall_64+0xc6/0x1e0
[ 1999.603972][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1999.603972][   T72] 
[ 1999.605537][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 1999.605537][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 1999.605537][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 1999.605537][   T72]      ipv6_find_idev+0x102/0x170
[ 1999.605537][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1999.605537][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1999.605537][   T72]      netlink_rcv_skb+0x130/0x360
[ 1999.605537][   T72]      netlink_unicast+0x449/0x710
[ 1999.605537][   T72]      netlink_sendmsg+0x723/0xbe0
[ 1999.605537][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 1999.605537][   T72]      ___sys_sendmsg+0xee/0x170
[ 1999.605537][   T72]      __sys_sendmsg+0xcd/0x170
[ 1999.605537][   T72]      do_syscall_64+0xc6/0x1e0
[ 1999.605537][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1999.605537][   T72] 
[ 2009.855869][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2009.856258][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2009.856258][   T72]      netdev_get_by_index+0x5e/0x80
[ 2009.856258][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2009.856258][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2009.856258][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2009.856258][   T72]      ipv6_add_addr+0x411/0x2000
[ 2009.856258][   T72]      inet6_addr_add+0x30e/0xa40
[ 2009.856258][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2009.856258][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2009.856258][   T72]      netlink_rcv_skb+0x130/0x360
[ 2009.856258][   T72]      netlink_unicast+0x449/0x710
[ 2009.856258][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2009.856258][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2009.856258][   T72]      ___sys_sendmsg+0xee/0x170
[ 2009.856258][   T72]      __sys_sendmsg+0xcd/0x170
[ 2009.856258][   T72]      do_syscall_64+0xc6/0x1e0
[ 2009.856258][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2009.856258][   T72] 
[ 2009.858309][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2009.858309][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2009.858309][   T72]      ipv6_find_idev+0x102/0x170
[ 2009.858309][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2009.858309][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2009.858309][   T72]      netlink_rcv_skb+0x130/0x360
[ 2009.858309][   T72]      netlink_unicast+0x449/0x710
[ 2009.858309][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2009.858309][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2009.858309][   T72]      ___sys_sendmsg+0xee/0x170
[ 2009.858309][   T72]      __sys_sendmsg+0xcd/0x170
[ 2009.858309][   T72]      do_syscall_64+0xc6/0x1e0
[ 2009.858309][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2009.858309][   T72] 
[ 2009.859881][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2009.859881][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2009.859881][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2009.859881][   T72]      ipv6_find_idev+0x102/0x170
[ 2009.859881][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2009.859881][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2009.859881][   T72]      netlink_rcv_skb+0x130/0x360
[ 2009.859881][   T72]      netlink_unicast+0x449/0x710
[ 2009.859881][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2009.859881][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2009.859881][   T72]      ___sys_sendmsg+0xee/0x170
[ 2009.859881][   T72]      __sys_sendmsg+0xcd/0x170
[ 2009.859881][   T72]      do_syscall_64+0xc6/0x1e0
[ 2009.859881][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2009.859881][   T72] 
[ 2009.861598][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2009.861881][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2009.861881][   T72]      netdev_get_by_index+0x5e/0x80
[ 2009.861881][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2009.861881][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2009.861881][   T72]      ip6_route_add+0x1c/0x140
[ 2009.861881][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2009.861881][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2009.861881][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2009.861881][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2009.861881][   T72]      netlink_rcv_skb+0x130/0x360
[ 2009.861881][   T72]      netlink_unicast+0x449/0x710
[ 2009.861881][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2009.861881][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2009.861881][   T72]      ___sys_sendmsg+0xee/0x170
[ 2009.861881][   T72]      __sys_sendmsg+0xcd/0x170
[ 2009.861881][   T72]      do_syscall_64+0xc6/0x1e0
[ 2009.861881][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2009.861881][   T72] 
[ 2009.863931][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2009.863931][   T72]      netdev_get_by_index+0x5e/0x80
[ 2009.863931][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2009.863931][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2009.863931][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2009.863931][   T72]      ipv6_add_addr+0x411/0x2000
[ 2009.863931][   T72]      inet6_addr_add+0x30e/0xa40
[ 2009.863931][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2009.863931][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2009.863931][   T72]      netlink_rcv_skb+0x130/0x360
[ 2009.863931][   T72]      netlink_unicast+0x449/0x710
[ 2009.863931][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2009.863931][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2009.863931][   T72]      ___sys_sendmsg+0xee/0x170
[ 2009.863931][   T72]      __sys_sendmsg+0xcd/0x170
[ 2009.863931][   T72]      do_syscall_64+0xc6/0x1e0
[ 2009.863931][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2009.863931][   T72] 
[ 2009.865973][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2009.865973][   T72]      netdev_get_by_index+0x5e/0x80
[ 2009.865973][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2009.865973][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2009.865973][   T72]      ip6_route_add+0x1c/0x140
[ 2009.865973][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2009.865973][   T72]      addrconf_add_dev+0xe2/0x170
[ 2009.865973][   T72]      inet6_addr_add+0x12f/0xa40
[ 2009.865973][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2009.865973][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2009.865973][   T72]      netlink_rcv_skb+0x130/0x360
[ 2009.865973][   T72]      netlink_unicast+0x449/0x710
[ 2009.865973][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2009.865973][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2009.865973][   T72]      ___sys_sendmsg+0xee/0x170
[ 2009.865973][   T72]      __sys_sendmsg+0xcd/0x170
[ 2009.865973][   T72]      do_syscall_64+0xc6/0x1e0
[ 2009.865973][   T72] 
[ 2009.867969][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2009.867969][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2009.867969][   T72]      ipv6_find_idev+0x102/0x170
[ 2009.867969][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2009.867969][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2009.867969][   T72]      netlink_rcv_skb+0x130/0x360
[ 2009.867969][   T72]      netlink_unicast+0x449/0x710
[ 2009.867969][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2009.867969][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2009.867969][   T72]      ___sys_sendmsg+0xee/0x170
[ 2009.867969][   T72]      __sys_sendmsg+0xcd/0x170
[ 2009.867969][   T72]      do_syscall_64+0xc6/0x1e0
[ 2009.867969][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2009.867969][   T72] 
[ 2009.869543][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2009.869543][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2009.869543][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2009.869543][   T72]      ipv6_find_idev+0x102/0x170
[ 2009.869543][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2009.869543][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2009.869543][   T72]      netlink_rcv_skb+0x130/0x360
[ 2009.869543][   T72]      netlink_unicast+0x449/0x710
[ 2009.869543][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2009.869543][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2009.869543][   T72]      ___sys_sendmsg+0xee/0x170
[ 2009.869543][   T72]      __sys_sendmsg+0xcd/0x170
[ 2009.869543][   T72]      do_syscall_64+0xc6/0x1e0
[ 2009.869543][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2009.869543][   T72] 
[ 2020.119888][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2020.120282][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2020.120282][   T72]      netdev_get_by_index+0x5e/0x80
[ 2020.120282][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2020.120282][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2020.120282][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2020.120282][   T72]      ipv6_add_addr+0x411/0x2000
[ 2020.120282][   T72]      inet6_addr_add+0x30e/0xa40
[ 2020.120282][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2020.120282][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2020.120282][   T72]      netlink_rcv_skb+0x130/0x360
[ 2020.120282][   T72]      netlink_unicast+0x449/0x710
[ 2020.120282][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2020.120282][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2020.120282][   T72]      ___sys_sendmsg+0xee/0x170
[ 2020.120282][   T72]      __sys_sendmsg+0xcd/0x170
[ 2020.120282][   T72]      do_syscall_64+0xc6/0x1e0
[ 2020.120282][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2020.120282][   T72] 
[ 2020.122356][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2020.122356][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2020.122356][   T72]      ipv6_find_idev+0x102/0x170
[ 2020.122356][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2020.122356][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2020.122356][   T72]      netlink_rcv_skb+0x130/0x360
[ 2020.122356][   T72]      netlink_unicast+0x449/0x710
[ 2020.122356][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2020.122356][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2020.122356][   T72]      ___sys_sendmsg+0xee/0x170
[ 2020.122356][   T72]      __sys_sendmsg+0xcd/0x170
[ 2020.122356][   T72]      do_syscall_64+0xc6/0x1e0
[ 2020.122356][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2020.122356][   T72] 
[ 2020.123930][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2020.123930][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2020.123930][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2020.123930][   T72]      ipv6_find_idev+0x102/0x170
[ 2020.123930][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2020.123930][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2020.123930][   T72]      netlink_rcv_skb+0x130/0x360
[ 2020.123930][   T72]      netlink_unicast+0x449/0x710
[ 2020.123930][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2020.123930][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2020.123930][   T72]      ___sys_sendmsg+0xee/0x170
[ 2020.123930][   T72]      __sys_sendmsg+0xcd/0x170
[ 2020.123930][   T72]      do_syscall_64+0xc6/0x1e0
[ 2020.123930][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2020.123930][   T72] 
[ 2020.125646][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2020.125899][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2020.125899][   T72]      netdev_get_by_index+0x5e/0x80
[ 2020.125899][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2020.125899][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2020.125899][   T72]      ip6_route_add+0x1c/0x140
[ 2020.125899][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2020.125899][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2020.125899][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2020.125899][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2020.125899][   T72]      netlink_rcv_skb+0x130/0x360
[ 2020.125899][   T72]      netlink_unicast+0x449/0x710
[ 2020.125899][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2020.125899][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2020.125899][   T72]      ___sys_sendmsg+0xee/0x170
[ 2020.125899][   T72]      __sys_sendmsg+0xcd/0x170
[ 2020.125899][   T72]      do_syscall_64+0xc6/0x1e0
[ 2020.125899][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2020.125899][   T72] 
[ 2020.127935][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2020.127935][   T72]      netdev_get_by_index+0x5e/0x80
[ 2020.127935][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2020.127935][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2020.127935][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2020.127935][   T72]      ipv6_add_addr+0x411/0x2000
[ 2020.127935][   T72]      inet6_addr_add+0x30e/0xa40
[ 2020.127935][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2020.127935][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2020.127935][   T72]      netlink_rcv_skb+0x130/0x360
[ 2020.127935][   T72]      netlink_unicast+0x449/0x710
[ 2020.127935][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2020.127935][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2020.127935][   T72]      ___sys_sendmsg+0xee/0x170
[ 2020.127935][   T72]      __sys_sendmsg+0xcd/0x170
[ 2020.127935][   T72]      do_syscall_64+0xc6/0x1e0
[ 2020.127935][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2020.127935][   T72] 
[ 2020.130080][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2020.130080][   T72]      netdev_get_by_index+0x5e/0x80
[ 2020.130080][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2020.130080][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2020.130080][   T72]      ip6_route_add+0x1c/0x140
[ 2020.130080][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2020.130080][   T72]      addrconf_add_dev+0xe2/0x170
[ 2020.130080][   T72]      inet6_addr_add+0x12f/0xa40
[ 2020.130080][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2020.130080][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2020.130080][   T72]      netlink_rcv_skb+0x130/0x360
[ 2020.130080][   T72]      netlink_unicast+0x449/0x710
[ 2020.130080][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2020.130080][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2020.130080][   T72]      ___sys_sendmsg+0xee/0x170
[ 2020.130080][   T72]      __sys_sendmsg+0xcd/0x170
[ 2020.130080][   T72]      do_syscall_64+0xc6/0x1e0
[ 2020.130080][   T72] 
[ 2020.132068][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2020.132068][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2020.132068][   T72]      ipv6_find_idev+0x102/0x170
[ 2020.132068][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2020.132068][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2020.132068][   T72]      netlink_rcv_skb+0x130/0x360
[ 2020.132068][   T72]      netlink_unicast+0x449/0x710
[ 2020.132068][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2020.132068][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2020.132068][   T72]      ___sys_sendmsg+0xee/0x170
[ 2020.132068][   T72]      __sys_sendmsg+0xcd/0x170
[ 2020.132068][   T72]      do_syscall_64+0xc6/0x1e0
[ 2020.132068][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2020.132068][   T72] 
[ 2020.133631][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2020.133631][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2020.133631][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2020.133631][   T72]      ipv6_find_idev+0x102/0x170
[ 2020.133631][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2020.133631][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2020.133631][   T72]      netlink_rcv_skb+0x130/0x360
[ 2020.133631][   T72]      netlink_unicast+0x449/0x710
[ 2020.133631][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2020.133631][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2020.133631][   T72]      ___sys_sendmsg+0xee/0x170
[ 2020.133631][   T72]      __sys_sendmsg+0xcd/0x170
[ 2020.133631][   T72]      do_syscall_64+0xc6/0x1e0
[ 2020.133631][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2020.133631][   T72] 
[ 2030.383803][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2030.384277][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2030.384277][   T72]      netdev_get_by_index+0x5e/0x80
[ 2030.384277][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2030.384277][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2030.384277][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2030.384277][   T72]      ipv6_add_addr+0x411/0x2000
[ 2030.384277][   T72]      inet6_addr_add+0x30e/0xa40
[ 2030.384277][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2030.384277][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2030.384277][   T72]      netlink_rcv_skb+0x130/0x360
[ 2030.384277][   T72]      netlink_unicast+0x449/0x710
[ 2030.384277][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2030.384277][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2030.384277][   T72]      ___sys_sendmsg+0xee/0x170
[ 2030.384277][   T72]      __sys_sendmsg+0xcd/0x170
[ 2030.384277][   T72]      do_syscall_64+0xc6/0x1e0
[ 2030.384277][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2030.384277][   T72] 
[ 2030.386342][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2030.386342][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2030.386342][   T72]      ipv6_find_idev+0x102/0x170
[ 2030.386342][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2030.386342][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2030.386342][   T72]      netlink_rcv_skb+0x130/0x360
[ 2030.386342][   T72]      netlink_unicast+0x449/0x710
[ 2030.386342][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2030.386342][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2030.386342][   T72]      ___sys_sendmsg+0xee/0x170
[ 2030.386342][   T72]      __sys_sendmsg+0xcd/0x170
[ 2030.386342][   T72]      do_syscall_64+0xc6/0x1e0
[ 2030.386342][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2030.386342][   T72] 
[ 2030.387908][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2030.387908][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2030.387908][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2030.387908][   T72]      ipv6_find_idev+0x102/0x170
[ 2030.387908][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2030.387908][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2030.387908][   T72]      netlink_rcv_skb+0x130/0x360
[ 2030.387908][   T72]      netlink_unicast+0x449/0x710
[ 2030.387908][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2030.387908][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2030.387908][   T72]      ___sys_sendmsg+0xee/0x170
[ 2030.387908][   T72]      __sys_sendmsg+0xcd/0x170
[ 2030.387908][   T72]      do_syscall_64+0xc6/0x1e0
[ 2030.387908][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2030.387908][   T72] 
[ 2030.389627][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2030.389899][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2030.389899][   T72]      netdev_get_by_index+0x5e/0x80
[ 2030.389899][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2030.389899][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2030.389899][   T72]      ip6_route_add+0x1c/0x140
[ 2030.389899][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2030.389899][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2030.389899][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2030.389899][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2030.389899][   T72]      netlink_rcv_skb+0x130/0x360
[ 2030.389899][   T72]      netlink_unicast+0x449/0x710
[ 2030.389899][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2030.389899][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2030.389899][   T72]      ___sys_sendmsg+0xee/0x170
[ 2030.389899][   T72]      __sys_sendmsg+0xcd/0x170
[ 2030.389899][   T72]      do_syscall_64+0xc6/0x1e0
[ 2030.389899][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2030.389899][   T72] 
[ 2030.391952][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2030.391952][   T72]      netdev_get_by_index+0x5e/0x80
[ 2030.391952][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2030.391952][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2030.391952][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2030.391952][   T72]      ipv6_add_addr+0x411/0x2000
[ 2030.391952][   T72]      inet6_addr_add+0x30e/0xa40
[ 2030.391952][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2030.391952][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2030.391952][   T72]      netlink_rcv_skb+0x130/0x360
[ 2030.391952][   T72]      netlink_unicast+0x449/0x710
[ 2030.391952][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2030.391952][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2030.391952][   T72]      ___sys_sendmsg+0xee/0x170
[ 2030.391952][   T72]      __sys_sendmsg+0xcd/0x170
[ 2030.391952][   T72]      do_syscall_64+0xc6/0x1e0
[ 2030.391952][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2030.391952][   T72] 
[ 2030.393998][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2030.393998][   T72]      netdev_get_by_index+0x5e/0x80
[ 2030.393998][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2030.393998][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2030.393998][   T72]      ip6_route_add+0x1c/0x140
[ 2030.393998][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2030.393998][   T72]      addrconf_add_dev+0xe2/0x170
[ 2030.393998][   T72]      inet6_addr_add+0x12f/0xa40
[ 2030.393998][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2030.393998][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2030.393998][   T72]      netlink_rcv_skb+0x130/0x360
[ 2030.393998][   T72]      netlink_unicast+0x449/0x710
[ 2030.393998][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2030.393998][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2030.393998][   T72]      ___sys_sendmsg+0xee/0x170
[ 2030.393998][   T72]      __sys_sendmsg+0xcd/0x170
[ 2030.393998][   T72]      do_syscall_64+0xc6/0x1e0
[ 2030.393998][   T72] 
[ 2030.395995][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2030.395995][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2030.395995][   T72]      ipv6_find_idev+0x102/0x170
[ 2030.395995][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2030.395995][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2030.395995][   T72]      netlink_rcv_skb+0x130/0x360
[ 2030.395995][   T72]      netlink_unicast+0x449/0x710
[ 2030.395995][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2030.395995][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2030.395995][   T72]      ___sys_sendmsg+0xee/0x170
[ 2030.395995][   T72]      __sys_sendmsg+0xcd/0x170
[ 2030.395995][   T72]      do_syscall_64+0xc6/0x1e0
[ 2030.395995][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2030.395995][   T72] 
[ 2030.397560][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2030.397560][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2030.397560][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2030.397560][   T72]      ipv6_find_idev+0x102/0x170
[ 2030.397560][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2030.397560][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2030.397560][   T72]      netlink_rcv_skb+0x130/0x360
[ 2030.397560][   T72]      netlink_unicast+0x449/0x710
[ 2030.397560][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2030.397560][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2030.397560][   T72]      ___sys_sendmsg+0xee/0x170
[ 2030.397560][   T72]      __sys_sendmsg+0xcd/0x170
[ 2030.397560][   T72]      do_syscall_64+0xc6/0x1e0
[ 2030.397560][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2030.397560][   T72] 
[ 2040.647838][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2040.648293][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2040.648293][   T72]      netdev_get_by_index+0x5e/0x80
[ 2040.648293][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2040.648293][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2040.648293][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2040.648293][   T72]      ipv6_add_addr+0x411/0x2000
[ 2040.648293][   T72]      inet6_addr_add+0x30e/0xa40
[ 2040.648293][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2040.648293][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2040.648293][   T72]      netlink_rcv_skb+0x130/0x360
[ 2040.648293][   T72]      netlink_unicast+0x449/0x710
[ 2040.648293][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2040.648293][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2040.648293][   T72]      ___sys_sendmsg+0xee/0x170
[ 2040.648293][   T72]      __sys_sendmsg+0xcd/0x170
[ 2040.648293][   T72]      do_syscall_64+0xc6/0x1e0
[ 2040.648293][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2040.648293][   T72] 
[ 2040.650468][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2040.650468][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2040.650468][   T72]      ipv6_find_idev+0x102/0x170
[ 2040.650468][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2040.650468][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2040.650468][   T72]      netlink_rcv_skb+0x130/0x360
[ 2040.650468][   T72]      netlink_unicast+0x449/0x710
[ 2040.650468][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2040.650468][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2040.650468][   T72]      ___sys_sendmsg+0xee/0x170
[ 2040.650468][   T72]      __sys_sendmsg+0xcd/0x170
[ 2040.650468][   T72]      do_syscall_64+0xc6/0x1e0
[ 2040.650468][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2040.650468][   T72] 
[ 2040.652052][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2040.652052][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2040.652052][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2040.652052][   T72]      ipv6_find_idev+0x102/0x170
[ 2040.652052][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2040.652052][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2040.652052][   T72]      netlink_rcv_skb+0x130/0x360
[ 2040.652052][   T72]      netlink_unicast+0x449/0x710
[ 2040.652052][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2040.652052][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2040.652052][   T72]      ___sys_sendmsg+0xee/0x170
[ 2040.652052][   T72]      __sys_sendmsg+0xcd/0x170
[ 2040.652052][   T72]      do_syscall_64+0xc6/0x1e0
[ 2040.652052][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2040.652052][   T72] 
[ 2040.653781][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2040.654029][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2040.654029][   T72]      netdev_get_by_index+0x5e/0x80
[ 2040.654029][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2040.654029][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2040.654029][   T72]      ip6_route_add+0x1c/0x140
[ 2040.654029][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2040.654029][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2040.654029][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2040.654029][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2040.654029][   T72]      netlink_rcv_skb+0x130/0x360
[ 2040.654029][   T72]      netlink_unicast+0x449/0x710
[ 2040.654029][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2040.654029][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2040.654029][   T72]      ___sys_sendmsg+0xee/0x170
[ 2040.654029][   T72]      __sys_sendmsg+0xcd/0x170
[ 2040.654029][   T72]      do_syscall_64+0xc6/0x1e0
[ 2040.654029][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2040.654029][   T72] 
[ 2040.656075][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2040.656075][   T72]      netdev_get_by_index+0x5e/0x80
[ 2040.656075][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2040.656075][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2040.656075][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2040.656075][   T72]      ipv6_add_addr+0x411/0x2000
[ 2040.656075][   T72]      inet6_addr_add+0x30e/0xa40
[ 2040.656075][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2040.656075][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2040.656075][   T72]      netlink_rcv_skb+0x130/0x360
[ 2040.656075][   T72]      netlink_unicast+0x449/0x710
[ 2040.656075][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2040.656075][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2040.656075][   T72]      ___sys_sendmsg+0xee/0x170
[ 2040.656075][   T72]      __sys_sendmsg+0xcd/0x170
[ 2040.656075][   T72]      do_syscall_64+0xc6/0x1e0
[ 2040.656075][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2040.656075][   T72] 
[ 2040.658105][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2040.658105][   T72]      netdev_get_by_index+0x5e/0x80
[ 2040.658105][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2040.658105][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2040.658105][   T72]      ip6_route_add+0x1c/0x140
[ 2040.658105][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2040.658105][   T72]      addrconf_add_dev+0xe2/0x170
[ 2040.658105][   T72]      inet6_addr_add+0x12f/0xa40
[ 2040.658105][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2040.658105][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2040.658105][   T72]      netlink_rcv_skb+0x130/0x360
[ 2040.658105][   T72]      netlink_unicast+0x449/0x710
[ 2040.658105][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2040.658105][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2040.658105][   T72]      ___sys_sendmsg+0xee/0x170
[ 2040.658105][   T72]      __sys_sendmsg+0xcd/0x170
[ 2040.658105][   T72]      do_syscall_64+0xc6/0x1e0
[ 2040.658105][   T72] 
[ 2040.660103][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2040.660103][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2040.660103][   T72]      ipv6_find_idev+0x102/0x170
[ 2040.660103][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2040.660103][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2040.660103][   T72]      netlink_rcv_skb+0x130/0x360
[ 2040.660103][   T72]      netlink_unicast+0x449/0x710
[ 2040.660103][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2040.660103][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2040.660103][   T72]      ___sys_sendmsg+0xee/0x170
[ 2040.660103][   T72]      __sys_sendmsg+0xcd/0x170
[ 2040.660103][   T72]      do_syscall_64+0xc6/0x1e0
[ 2040.660103][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2040.660103][   T72] 
[ 2040.661684][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2040.661684][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2040.661684][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2040.661684][   T72]      ipv6_find_idev+0x102/0x170
[ 2040.661684][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2040.661684][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2040.661684][   T72]      netlink_rcv_skb+0x130/0x360
[ 2040.661684][   T72]      netlink_unicast+0x449/0x710
[ 2040.661684][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2040.661684][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2040.661684][   T72]      ___sys_sendmsg+0xee/0x170
[ 2040.661684][   T72]      __sys_sendmsg+0xcd/0x170
[ 2040.661684][   T72]      do_syscall_64+0xc6/0x1e0
[ 2040.661684][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2040.661684][   T72] 
[ 2050.911818][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2050.912280][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2050.912280][   T72]      netdev_get_by_index+0x5e/0x80
[ 2050.912280][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2050.912280][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2050.912280][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2050.912280][   T72]      ipv6_add_addr+0x411/0x2000
[ 2050.912280][   T72]      inet6_addr_add+0x30e/0xa40
[ 2050.912280][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2050.912280][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2050.912280][   T72]      netlink_rcv_skb+0x130/0x360
[ 2050.912280][   T72]      netlink_unicast+0x449/0x710
[ 2050.912280][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2050.912280][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2050.912280][   T72]      ___sys_sendmsg+0xee/0x170
[ 2050.912280][   T72]      __sys_sendmsg+0xcd/0x170
[ 2050.912280][   T72]      do_syscall_64+0xc6/0x1e0
[ 2050.912280][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2050.912280][   T72] 
[ 2050.914346][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2050.914346][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2050.914346][   T72]      ipv6_find_idev+0x102/0x170
[ 2050.914346][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2050.914346][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2050.914346][   T72]      netlink_rcv_skb+0x130/0x360
[ 2050.914346][   T72]      netlink_unicast+0x449/0x710
[ 2050.914346][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2050.914346][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2050.914346][   T72]      ___sys_sendmsg+0xee/0x170
[ 2050.914346][   T72]      __sys_sendmsg+0xcd/0x170
[ 2050.914346][   T72]      do_syscall_64+0xc6/0x1e0
[ 2050.914346][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2050.914346][   T72] 
[ 2050.915934][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2050.915934][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2050.915934][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2050.915934][   T72]      ipv6_find_idev+0x102/0x170
[ 2050.915934][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2050.915934][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2050.915934][   T72]      netlink_rcv_skb+0x130/0x360
[ 2050.915934][   T72]      netlink_unicast+0x449/0x710
[ 2050.915934][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2050.915934][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2050.915934][   T72]      ___sys_sendmsg+0xee/0x170
[ 2050.915934][   T72]      __sys_sendmsg+0xcd/0x170
[ 2050.915934][   T72]      do_syscall_64+0xc6/0x1e0
[ 2050.915934][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2050.915934][   T72] 
[ 2050.917659][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2050.917922][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2050.917922][   T72]      netdev_get_by_index+0x5e/0x80
[ 2050.917922][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2050.917922][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2050.917922][   T72]      ip6_route_add+0x1c/0x140
[ 2050.917922][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2050.917922][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2050.917922][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2050.917922][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2050.917922][   T72]      netlink_rcv_skb+0x130/0x360
[ 2050.917922][   T72]      netlink_unicast+0x449/0x710
[ 2050.917922][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2050.917922][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2050.917922][   T72]      ___sys_sendmsg+0xee/0x170
[ 2050.917922][   T72]      __sys_sendmsg+0xcd/0x170
[ 2050.917922][   T72]      do_syscall_64+0xc6/0x1e0
[ 2050.917922][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2050.917922][   T72] 
[ 2050.919960][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2050.919960][   T72]      netdev_get_by_index+0x5e/0x80
[ 2050.919960][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2050.919960][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2050.919960][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2050.919960][   T72]      ipv6_add_addr+0x411/0x2000
[ 2050.919960][   T72]      inet6_addr_add+0x30e/0xa40
[ 2050.919960][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2050.919960][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2050.919960][   T72]      netlink_rcv_skb+0x130/0x360
[ 2050.919960][   T72]      netlink_unicast+0x449/0x710
[ 2050.919960][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2050.919960][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2050.919960][   T72]      ___sys_sendmsg+0xee/0x170
[ 2050.919960][   T72]      __sys_sendmsg+0xcd/0x170
[ 2050.919960][   T72]      do_syscall_64+0xc6/0x1e0
[ 2050.919960][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2050.919960][   T72] 
[ 2050.922056][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2050.922056][   T72]      netdev_get_by_index+0x5e/0x80
[ 2050.922056][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2050.922056][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2050.922056][   T72]      ip6_route_add+0x1c/0x140
[ 2050.922056][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2050.922056][   T72]      addrconf_add_dev+0xe2/0x170
[ 2050.922056][   T72]      inet6_addr_add+0x12f/0xa40
[ 2050.922056][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2050.922056][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2050.922056][   T72]      netlink_rcv_skb+0x130/0x360
[ 2050.922056][   T72]      netlink_unicast+0x449/0x710
[ 2050.922056][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2050.922056][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2050.922056][   T72]      ___sys_sendmsg+0xee/0x170
[ 2050.922056][   T72]      __sys_sendmsg+0xcd/0x170
[ 2050.922056][   T72]      do_syscall_64+0xc6/0x1e0
[ 2050.922056][   T72] 
[ 2050.924078][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2050.924078][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2050.924078][   T72]      ipv6_find_idev+0x102/0x170
[ 2050.924078][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2050.924078][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2050.924078][   T72]      netlink_rcv_skb+0x130/0x360
[ 2050.924078][   T72]      netlink_unicast+0x449/0x710
[ 2050.924078][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2050.924078][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2050.924078][   T72]      ___sys_sendmsg+0xee/0x170
[ 2050.924078][   T72]      __sys_sendmsg+0xcd/0x170
[ 2050.924078][   T72]      do_syscall_64+0xc6/0x1e0
[ 2050.924078][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2050.924078][   T72] 
[ 2050.925667][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2050.925667][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2050.925667][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2050.925667][   T72]      ipv6_find_idev+0x102/0x170
[ 2050.925667][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2050.925667][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2050.925667][   T72]      netlink_rcv_skb+0x130/0x360
[ 2050.925667][   T72]      netlink_unicast+0x449/0x710
[ 2050.925667][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2050.925667][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2050.925667][   T72]      ___sys_sendmsg+0xee/0x170
[ 2050.925667][   T72]      __sys_sendmsg+0xcd/0x170
[ 2050.925667][   T72]      do_syscall_64+0xc6/0x1e0
[ 2050.925667][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2050.925667][   T72] 
[ 2061.175873][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2061.176343][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2061.176343][   T72]      netdev_get_by_index+0x5e/0x80
[ 2061.176343][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2061.176343][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2061.176343][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2061.176343][   T72]      ipv6_add_addr+0x411/0x2000
[ 2061.176343][   T72]      inet6_addr_add+0x30e/0xa40
[ 2061.176343][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2061.176343][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2061.176343][   T72]      netlink_rcv_skb+0x130/0x360
[ 2061.176343][   T72]      netlink_unicast+0x449/0x710
[ 2061.176343][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2061.176343][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2061.176343][   T72]      ___sys_sendmsg+0xee/0x170
[ 2061.176343][   T72]      __sys_sendmsg+0xcd/0x170
[ 2061.176343][   T72]      do_syscall_64+0xc6/0x1e0
[ 2061.176343][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2061.176343][   T72] 
[ 2061.178427][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2061.178427][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2061.178427][   T72]      ipv6_find_idev+0x102/0x170
[ 2061.178427][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2061.178427][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2061.178427][   T72]      netlink_rcv_skb+0x130/0x360
[ 2061.178427][   T72]      netlink_unicast+0x449/0x710
[ 2061.178427][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2061.178427][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2061.178427][   T72]      ___sys_sendmsg+0xee/0x170
[ 2061.178427][   T72]      __sys_sendmsg+0xcd/0x170
[ 2061.178427][   T72]      do_syscall_64+0xc6/0x1e0
[ 2061.178427][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2061.178427][   T72] 
[ 2061.180002][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2061.180002][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2061.180002][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2061.180002][   T72]      ipv6_find_idev+0x102/0x170
[ 2061.180002][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2061.180002][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2061.180002][   T72]      netlink_rcv_skb+0x130/0x360
[ 2061.180002][   T72]      netlink_unicast+0x449/0x710
[ 2061.180002][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2061.180002][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2061.180002][   T72]      ___sys_sendmsg+0xee/0x170
[ 2061.180002][   T72]      __sys_sendmsg+0xcd/0x170
[ 2061.180002][   T72]      do_syscall_64+0xc6/0x1e0
[ 2061.180002][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2061.180002][   T72] 
[ 2061.181724][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2061.181984][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2061.181984][   T72]      netdev_get_by_index+0x5e/0x80
[ 2061.181984][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2061.181984][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2061.181984][   T72]      ip6_route_add+0x1c/0x140
[ 2061.181984][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2061.181984][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2061.181984][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2061.181984][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2061.181984][   T72]      netlink_rcv_skb+0x130/0x360
[ 2061.181984][   T72]      netlink_unicast+0x449/0x710
[ 2061.181984][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2061.181984][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2061.181984][   T72]      ___sys_sendmsg+0xee/0x170
[ 2061.181984][   T72]      __sys_sendmsg+0xcd/0x170
[ 2061.181984][   T72]      do_syscall_64+0xc6/0x1e0
[ 2061.181984][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2061.181984][   T72] 
[ 2061.184036][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2061.184036][   T72]      netdev_get_by_index+0x5e/0x80
[ 2061.184036][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2061.184036][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2061.184036][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2061.184036][   T72]      ipv6_add_addr+0x411/0x2000
[ 2061.184036][   T72]      inet6_addr_add+0x30e/0xa40
[ 2061.184036][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2061.184036][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2061.184036][   T72]      netlink_rcv_skb+0x130/0x360
[ 2061.184036][   T72]      netlink_unicast+0x449/0x710
[ 2061.184036][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2061.184036][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2061.184036][   T72]      ___sys_sendmsg+0xee/0x170
[ 2061.184036][   T72]      __sys_sendmsg+0xcd/0x170
[ 2061.184036][   T72]      do_syscall_64+0xc6/0x1e0
[ 2061.184036][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2061.184036][   T72] 
[ 2061.186073][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2061.186073][   T72]      netdev_get_by_index+0x5e/0x80
[ 2061.186073][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2061.186073][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2061.186073][   T72]      ip6_route_add+0x1c/0x140
[ 2061.186073][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2061.186073][   T72]      addrconf_add_dev+0xe2/0x170
[ 2061.186073][   T72]      inet6_addr_add+0x12f/0xa40
[ 2061.186073][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2061.186073][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2061.186073][   T72]      netlink_rcv_skb+0x130/0x360
[ 2061.186073][   T72]      netlink_unicast+0x449/0x710
[ 2061.186073][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2061.186073][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2061.186073][   T72]      ___sys_sendmsg+0xee/0x170
[ 2061.186073][   T72]      __sys_sendmsg+0xcd/0x170
[ 2061.186073][   T72]      do_syscall_64+0xc6/0x1e0
[ 2061.186073][   T72] 
[ 2061.188066][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2061.188066][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2061.188066][   T72]      ipv6_find_idev+0x102/0x170
[ 2061.188066][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2061.188066][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2061.188066][   T72]      netlink_rcv_skb+0x130/0x360
[ 2061.188066][   T72]      netlink_unicast+0x449/0x710
[ 2061.188066][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2061.188066][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2061.188066][   T72]      ___sys_sendmsg+0xee/0x170
[ 2061.188066][   T72]      __sys_sendmsg+0xcd/0x170
[ 2061.188066][   T72]      do_syscall_64+0xc6/0x1e0
[ 2061.188066][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2061.188066][   T72] 
[ 2061.189630][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2061.189630][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2061.189630][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2061.189630][   T72]      ipv6_find_idev+0x102/0x170
[ 2061.189630][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2061.189630][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2061.189630][   T72]      netlink_rcv_skb+0x130/0x360
[ 2061.189630][   T72]      netlink_unicast+0x449/0x710
[ 2061.189630][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2061.189630][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2061.189630][   T72]      ___sys_sendmsg+0xee/0x170
[ 2061.189630][   T72]      __sys_sendmsg+0xcd/0x170
[ 2061.189630][   T72]      do_syscall_64+0xc6/0x1e0
[ 2061.189630][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2061.189630][   T72] 
[ 2071.295872][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2071.296333][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2071.296333][   T72]      netdev_get_by_index+0x5e/0x80
[ 2071.296333][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2071.296333][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2071.296333][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2071.296333][   T72]      ipv6_add_addr+0x411/0x2000
[ 2071.296333][   T72]      inet6_addr_add+0x30e/0xa40
[ 2071.296333][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2071.296333][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2071.296333][   T72]      netlink_rcv_skb+0x130/0x360
[ 2071.296333][   T72]      netlink_unicast+0x449/0x710
[ 2071.296333][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2071.296333][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2071.296333][   T72]      ___sys_sendmsg+0xee/0x170
[ 2071.296333][   T72]      __sys_sendmsg+0xcd/0x170
[ 2071.296333][   T72]      do_syscall_64+0xc6/0x1e0
[ 2071.296333][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2071.296333][   T72] 
[ 2071.298389][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2071.298389][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2071.298389][   T72]      ipv6_find_idev+0x102/0x170
[ 2071.298389][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2071.298389][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2071.298389][   T72]      netlink_rcv_skb+0x130/0x360
[ 2071.298389][   T72]      netlink_unicast+0x449/0x710
[ 2071.298389][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2071.298389][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2071.298389][   T72]      ___sys_sendmsg+0xee/0x170
[ 2071.298389][   T72]      __sys_sendmsg+0xcd/0x170
[ 2071.298389][   T72]      do_syscall_64+0xc6/0x1e0
[ 2071.298389][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2071.298389][   T72] 
[ 2071.299963][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2071.299963][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2071.299963][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2071.299963][   T72]      ipv6_find_idev+0x102/0x170
[ 2071.299963][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2071.299963][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2071.299963][   T72]      netlink_rcv_skb+0x130/0x360
[ 2071.299963][   T72]      netlink_unicast+0x449/0x710
[ 2071.299963][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2071.299963][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2071.299963][   T72]      ___sys_sendmsg+0xee/0x170
[ 2071.299963][   T72]      __sys_sendmsg+0xcd/0x170
[ 2071.299963][   T72]      do_syscall_64+0xc6/0x1e0
[ 2071.299963][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2071.299963][   T72] 
[ 2071.302221][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2071.302474][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2071.302474][   T72]      netdev_get_by_index+0x5e/0x80
[ 2071.302474][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2071.302474][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2071.302474][   T72]      ip6_route_add+0x1c/0x140
[ 2071.302474][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2071.302474][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2071.302474][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2071.302474][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2071.302474][   T72]      netlink_rcv_skb+0x130/0x360
[ 2071.302474][   T72]      netlink_unicast+0x449/0x710
[ 2071.302474][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2071.302474][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2071.302474][   T72]      ___sys_sendmsg+0xee/0x170
[ 2071.302474][   T72]      __sys_sendmsg+0xcd/0x170
[ 2071.302474][   T72]      do_syscall_64+0xc6/0x1e0
[ 2071.302474][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2071.302474][   T72] 
[ 2071.304515][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2071.304515][   T72]      netdev_get_by_index+0x5e/0x80
[ 2071.304515][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2071.304515][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2071.304515][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2071.304515][   T72]      ipv6_add_addr+0x411/0x2000
[ 2071.304515][   T72]      inet6_addr_add+0x30e/0xa40
[ 2071.304515][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2071.304515][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2071.304515][   T72]      netlink_rcv_skb+0x130/0x360
[ 2071.304515][   T72]      netlink_unicast+0x449/0x710
[ 2071.304515][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2071.304515][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2071.304515][   T72]      ___sys_sendmsg+0xee/0x170
[ 2071.304515][   T72]      __sys_sendmsg+0xcd/0x170
[ 2071.304515][   T72]      do_syscall_64+0xc6/0x1e0
[ 2071.304515][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2071.304515][   T72] 
[ 2071.306927][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2071.306927][   T72]      netdev_get_by_index+0x5e/0x80
[ 2071.306927][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2071.306927][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2071.306927][   T72]      ip6_route_add+0x1c/0x140
[ 2071.306927][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2071.306927][   T72]      addrconf_add_dev+0xe2/0x170
[ 2071.306927][   T72]      inet6_addr_add+0x12f/0xa40
[ 2071.306927][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2071.306927][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2071.306927][   T72]      netlink_rcv_skb+0x130/0x360
[ 2071.306927][   T72]      netlink_unicast+0x449/0x710
[ 2071.306927][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2071.306927][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2071.306927][   T72]      ___sys_sendmsg+0xee/0x170
[ 2071.306927][   T72]      __sys_sendmsg+0xcd/0x170
[ 2071.306927][   T72]      do_syscall_64+0xc6/0x1e0
[ 2071.306927][   T72] 
[ 2071.308959][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2071.308959][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2071.308959][   T72]      ipv6_find_idev+0x102/0x170
[ 2071.308959][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2071.308959][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2071.308959][   T72]      netlink_rcv_skb+0x130/0x360
[ 2071.308959][   T72]      netlink_unicast+0x449/0x710
[ 2071.308959][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2071.308959][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2071.308959][   T72]      ___sys_sendmsg+0xee/0x170
[ 2071.308959][   T72]      __sys_sendmsg+0xcd/0x170
[ 2071.308959][   T72]      do_syscall_64+0xc6/0x1e0
[ 2071.308959][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2071.308959][   T72] 
[ 2071.310523][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2071.310523][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2071.310523][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2071.310523][   T72]      ipv6_find_idev+0x102/0x170
[ 2071.310523][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2071.310523][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2071.310523][   T72]      netlink_rcv_skb+0x130/0x360
[ 2071.310523][   T72]      netlink_unicast+0x449/0x710
[ 2071.310523][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2071.310523][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2071.310523][   T72]      ___sys_sendmsg+0xee/0x170
[ 2071.310523][   T72]      __sys_sendmsg+0xcd/0x170
[ 2071.310523][   T72]      do_syscall_64+0xc6/0x1e0
[ 2071.310523][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2071.310523][   T72] 
[ 2081.551894][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2081.552365][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2081.552365][   T72]      netdev_get_by_index+0x5e/0x80
[ 2081.552365][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2081.552365][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2081.552365][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2081.552365][   T72]      ipv6_add_addr+0x411/0x2000
[ 2081.552365][   T72]      inet6_addr_add+0x30e/0xa40
[ 2081.552365][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2081.552365][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2081.552365][   T72]      netlink_rcv_skb+0x130/0x360
[ 2081.552365][   T72]      netlink_unicast+0x449/0x710
[ 2081.552365][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2081.552365][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2081.552365][   T72]      ___sys_sendmsg+0xee/0x170
[ 2081.552365][   T72]      __sys_sendmsg+0xcd/0x170
[ 2081.552365][   T72]      do_syscall_64+0xc6/0x1e0
[ 2081.552365][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2081.552365][   T72] 
[ 2081.554449][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2081.554449][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2081.554449][   T72]      ipv6_find_idev+0x102/0x170
[ 2081.554449][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2081.554449][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2081.554449][   T72]      netlink_rcv_skb+0x130/0x360
[ 2081.554449][   T72]      netlink_unicast+0x449/0x710
[ 2081.554449][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2081.554449][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2081.554449][   T72]      ___sys_sendmsg+0xee/0x170
[ 2081.554449][   T72]      __sys_sendmsg+0xcd/0x170
[ 2081.554449][   T72]      do_syscall_64+0xc6/0x1e0
[ 2081.554449][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2081.554449][   T72] 
[ 2081.556046][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2081.556046][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2081.556046][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2081.556046][   T72]      ipv6_find_idev+0x102/0x170
[ 2081.556046][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2081.556046][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2081.556046][   T72]      netlink_rcv_skb+0x130/0x360
[ 2081.556046][   T72]      netlink_unicast+0x449/0x710
[ 2081.556046][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2081.556046][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2081.556046][   T72]      ___sys_sendmsg+0xee/0x170
[ 2081.556046][   T72]      __sys_sendmsg+0xcd/0x170
[ 2081.556046][   T72]      do_syscall_64+0xc6/0x1e0
[ 2081.556046][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2081.556046][   T72] 
[ 2081.557825][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2081.558087][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2081.558087][   T72]      netdev_get_by_index+0x5e/0x80
[ 2081.558087][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2081.558087][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2081.558087][   T72]      ip6_route_add+0x1c/0x140
[ 2081.558087][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2081.558087][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2081.558087][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2081.558087][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2081.558087][   T72]      netlink_rcv_skb+0x130/0x360
[ 2081.558087][   T72]      netlink_unicast+0x449/0x710
[ 2081.558087][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2081.558087][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2081.558087][   T72]      ___sys_sendmsg+0xee/0x170
[ 2081.558087][   T72]      __sys_sendmsg+0xcd/0x170
[ 2081.558087][   T72]      do_syscall_64+0xc6/0x1e0
[ 2081.558087][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2081.558087][   T72] 
[ 2081.560137][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2081.560137][   T72]      netdev_get_by_index+0x5e/0x80
[ 2081.560137][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2081.560137][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2081.560137][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2081.560137][   T72]      ipv6_add_addr+0x411/0x2000
[ 2081.560137][   T72]      inet6_addr_add+0x30e/0xa40
[ 2081.560137][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2081.560137][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2081.560137][   T72]      netlink_rcv_skb+0x130/0x360
[ 2081.560137][   T72]      netlink_unicast+0x449/0x710
[ 2081.560137][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2081.560137][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2081.560137][   T72]      ___sys_sendmsg+0xee/0x170
[ 2081.560137][   T72]      __sys_sendmsg+0xcd/0x170
[ 2081.560137][   T72]      do_syscall_64+0xc6/0x1e0
[ 2081.560137][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2081.560137][   T72] 
[ 2081.562193][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2081.562193][   T72]      netdev_get_by_index+0x5e/0x80
[ 2081.562193][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2081.562193][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2081.562193][   T72]      ip6_route_add+0x1c/0x140
[ 2081.562193][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2081.562193][   T72]      addrconf_add_dev+0xe2/0x170
[ 2081.562193][   T72]      inet6_addr_add+0x12f/0xa40
[ 2081.562193][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2081.562193][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2081.562193][   T72]      netlink_rcv_skb+0x130/0x360
[ 2081.562193][   T72]      netlink_unicast+0x449/0x710
[ 2081.562193][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2081.562193][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2081.562193][   T72]      ___sys_sendmsg+0xee/0x170
[ 2081.562193][   T72]      __sys_sendmsg+0xcd/0x170
[ 2081.562193][   T72]      do_syscall_64+0xc6/0x1e0
[ 2081.562193][   T72] 
[ 2081.564204][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2081.564204][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2081.564204][   T72]      ipv6_find_idev+0x102/0x170
[ 2081.564204][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2081.564204][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2081.564204][   T72]      netlink_rcv_skb+0x130/0x360
[ 2081.564204][   T72]      netlink_unicast+0x449/0x710
[ 2081.564204][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2081.564204][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2081.564204][   T72]      ___sys_sendmsg+0xee/0x170
[ 2081.564204][   T72]      __sys_sendmsg+0xcd/0x170
[ 2081.564204][   T72]      do_syscall_64+0xc6/0x1e0
[ 2081.564204][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2081.564204][   T72] 
[ 2081.565776][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2081.565776][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2081.565776][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2081.565776][   T72]      ipv6_find_idev+0x102/0x170
[ 2081.565776][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2081.565776][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2081.565776][   T72]      netlink_rcv_skb+0x130/0x360
[ 2081.565776][   T72]      netlink_unicast+0x449/0x710
[ 2081.565776][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2081.565776][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2081.565776][   T72]      ___sys_sendmsg+0xee/0x170
[ 2081.565776][   T72]      __sys_sendmsg+0xcd/0x170
[ 2081.565776][   T72]      do_syscall_64+0xc6/0x1e0
[ 2081.565776][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2081.565776][   T72] 
[ 2091.807878][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2091.808345][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2091.808345][   T72]      netdev_get_by_index+0x5e/0x80
[ 2091.808345][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2091.808345][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2091.808345][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2091.808345][   T72]      ipv6_add_addr+0x411/0x2000
[ 2091.808345][   T72]      inet6_addr_add+0x30e/0xa40
[ 2091.808345][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2091.808345][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2091.808345][   T72]      netlink_rcv_skb+0x130/0x360
[ 2091.808345][   T72]      netlink_unicast+0x449/0x710
[ 2091.808345][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2091.808345][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2091.808345][   T72]      ___sys_sendmsg+0xee/0x170
[ 2091.808345][   T72]      __sys_sendmsg+0xcd/0x170
[ 2091.808345][   T72]      do_syscall_64+0xc6/0x1e0
[ 2091.808345][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2091.808345][   T72] 
[ 2091.810441][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2091.810441][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2091.810441][   T72]      ipv6_find_idev+0x102/0x170
[ 2091.810441][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2091.810441][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2091.810441][   T72]      netlink_rcv_skb+0x130/0x360
[ 2091.810441][   T72]      netlink_unicast+0x449/0x710
[ 2091.810441][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2091.810441][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2091.810441][   T72]      ___sys_sendmsg+0xee/0x170
[ 2091.810441][   T72]      __sys_sendmsg+0xcd/0x170
[ 2091.810441][   T72]      do_syscall_64+0xc6/0x1e0
[ 2091.810441][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2091.810441][   T72] 
[ 2091.812041][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2091.812041][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2091.812041][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2091.812041][   T72]      ipv6_find_idev+0x102/0x170
[ 2091.812041][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2091.812041][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2091.812041][   T72]      netlink_rcv_skb+0x130/0x360
[ 2091.812041][   T72]      netlink_unicast+0x449/0x710
[ 2091.812041][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2091.812041][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2091.812041][   T72]      ___sys_sendmsg+0xee/0x170
[ 2091.812041][   T72]      __sys_sendmsg+0xcd/0x170
[ 2091.812041][   T72]      do_syscall_64+0xc6/0x1e0
[ 2091.812041][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2091.812041][   T72] 
[ 2091.813796][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2091.814053][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2091.814053][   T72]      netdev_get_by_index+0x5e/0x80
[ 2091.814053][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2091.814053][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2091.814053][   T72]      ip6_route_add+0x1c/0x140
[ 2091.814053][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2091.814053][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2091.814053][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2091.814053][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2091.814053][   T72]      netlink_rcv_skb+0x130/0x360
[ 2091.814053][   T72]      netlink_unicast+0x449/0x710
[ 2091.814053][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2091.814053][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2091.814053][   T72]      ___sys_sendmsg+0xee/0x170
[ 2091.814053][   T72]      __sys_sendmsg+0xcd/0x170
[ 2091.814053][   T72]      do_syscall_64+0xc6/0x1e0
[ 2091.814053][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2091.814053][   T72] 
[ 2091.816127][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2091.816127][   T72]      netdev_get_by_index+0x5e/0x80
[ 2091.816127][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2091.816127][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2091.816127][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2091.816127][   T72]      ipv6_add_addr+0x411/0x2000
[ 2091.816127][   T72]      inet6_addr_add+0x30e/0xa40
[ 2091.816127][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2091.816127][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2091.816127][   T72]      netlink_rcv_skb+0x130/0x360
[ 2091.816127][   T72]      netlink_unicast+0x449/0x710
[ 2091.816127][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2091.816127][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2091.816127][   T72]      ___sys_sendmsg+0xee/0x170
[ 2091.816127][   T72]      __sys_sendmsg+0xcd/0x170
[ 2091.816127][   T72]      do_syscall_64+0xc6/0x1e0
[ 2091.816127][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2091.816127][   T72] 
[ 2091.818185][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2091.818185][   T72]      netdev_get_by_index+0x5e/0x80
[ 2091.818185][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2091.818185][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2091.818185][   T72]      ip6_route_add+0x1c/0x140
[ 2091.818185][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2091.818185][   T72]      addrconf_add_dev+0xe2/0x170
[ 2091.818185][   T72]      inet6_addr_add+0x12f/0xa40
[ 2091.818185][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2091.818185][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2091.818185][   T72]      netlink_rcv_skb+0x130/0x360
[ 2091.818185][   T72]      netlink_unicast+0x449/0x710
[ 2091.818185][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2091.818185][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2091.818185][   T72]      ___sys_sendmsg+0xee/0x170
[ 2091.818185][   T72]      __sys_sendmsg+0xcd/0x170
[ 2091.818185][   T72]      do_syscall_64+0xc6/0x1e0
[ 2091.818185][   T72] 
[ 2091.820206][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2091.820206][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2091.820206][   T72]      ipv6_find_idev+0x102/0x170
[ 2091.820206][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2091.820206][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2091.820206][   T72]      netlink_rcv_skb+0x130/0x360
[ 2091.820206][   T72]      netlink_unicast+0x449/0x710
[ 2091.820206][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2091.820206][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2091.820206][   T72]      ___sys_sendmsg+0xee/0x170
[ 2091.820206][   T72]      __sys_sendmsg+0xcd/0x170
[ 2091.820206][   T72]      do_syscall_64+0xc6/0x1e0
[ 2091.820206][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2091.820206][   T72] 
[ 2091.822170][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2091.822170][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2091.822170][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2091.822170][   T72]      ipv6_find_idev+0x102/0x170
[ 2091.822170][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2091.822170][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2091.822170][   T72]      netlink_rcv_skb+0x130/0x360
[ 2091.822170][   T72]      netlink_unicast+0x449/0x710
[ 2091.822170][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2091.822170][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2091.822170][   T72]      ___sys_sendmsg+0xee/0x170
[ 2091.822170][   T72]      __sys_sendmsg+0xcd/0x170
[ 2091.822170][   T72]      do_syscall_64+0xc6/0x1e0
[ 2091.822170][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2091.822170][   T72] 
[ 2102.063895][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2102.064366][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2102.064366][   T72]      netdev_get_by_index+0x5e/0x80
[ 2102.064366][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2102.064366][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2102.064366][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2102.064366][   T72]      ipv6_add_addr+0x411/0x2000
[ 2102.064366][   T72]      inet6_addr_add+0x30e/0xa40
[ 2102.064366][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2102.064366][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2102.064366][   T72]      netlink_rcv_skb+0x130/0x360
[ 2102.064366][   T72]      netlink_unicast+0x449/0x710
[ 2102.064366][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2102.064366][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2102.064366][   T72]      ___sys_sendmsg+0xee/0x170
[ 2102.064366][   T72]      __sys_sendmsg+0xcd/0x170
[ 2102.064366][   T72]      do_syscall_64+0xc6/0x1e0
[ 2102.064366][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2102.064366][   T72] 
[ 2102.066456][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2102.066456][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2102.066456][   T72]      ipv6_find_idev+0x102/0x170
[ 2102.066456][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2102.066456][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2102.066456][   T72]      netlink_rcv_skb+0x130/0x360
[ 2102.066456][   T72]      netlink_unicast+0x449/0x710
[ 2102.066456][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2102.066456][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2102.066456][   T72]      ___sys_sendmsg+0xee/0x170
[ 2102.066456][   T72]      __sys_sendmsg+0xcd/0x170
[ 2102.066456][   T72]      do_syscall_64+0xc6/0x1e0
[ 2102.066456][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2102.066456][   T72] 
[ 2102.068060][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2102.068060][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2102.068060][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2102.068060][   T72]      ipv6_find_idev+0x102/0x170
[ 2102.068060][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2102.068060][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2102.068060][   T72]      netlink_rcv_skb+0x130/0x360
[ 2102.068060][   T72]      netlink_unicast+0x449/0x710
[ 2102.068060][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2102.068060][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2102.068060][   T72]      ___sys_sendmsg+0xee/0x170
[ 2102.068060][   T72]      __sys_sendmsg+0xcd/0x170
[ 2102.068060][   T72]      do_syscall_64+0xc6/0x1e0
[ 2102.068060][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2102.068060][   T72] 
[ 2102.069823][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2102.070082][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2102.070082][   T72]      netdev_get_by_index+0x5e/0x80
[ 2102.070082][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2102.070082][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2102.070082][   T72]      ip6_route_add+0x1c/0x140
[ 2102.070082][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2102.070082][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2102.070082][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2102.070082][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2102.070082][   T72]      netlink_rcv_skb+0x130/0x360
[ 2102.070082][   T72]      netlink_unicast+0x449/0x710
[ 2102.070082][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2102.070082][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2102.070082][   T72]      ___sys_sendmsg+0xee/0x170
[ 2102.070082][   T72]      __sys_sendmsg+0xcd/0x170
[ 2102.070082][   T72]      do_syscall_64+0xc6/0x1e0
[ 2102.070082][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2102.070082][   T72] 
[ 2102.072141][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2102.072141][   T72]      netdev_get_by_index+0x5e/0x80
[ 2102.072141][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2102.072141][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2102.072141][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2102.072141][   T72]      ipv6_add_addr+0x411/0x2000
[ 2102.072141][   T72]      inet6_addr_add+0x30e/0xa40
[ 2102.072141][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2102.072141][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2102.072141][   T72]      netlink_rcv_skb+0x130/0x360
[ 2102.072141][   T72]      netlink_unicast+0x449/0x710
[ 2102.072141][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2102.072141][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2102.072141][   T72]      ___sys_sendmsg+0xee/0x170
[ 2102.072141][   T72]      __sys_sendmsg+0xcd/0x170
[ 2102.072141][   T72]      do_syscall_64+0xc6/0x1e0
[ 2102.072141][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2102.072141][   T72] 
[ 2102.074299][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2102.074299][   T72]      netdev_get_by_index+0x5e/0x80
[ 2102.074299][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2102.074299][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2102.074299][   T72]      ip6_route_add+0x1c/0x140
[ 2102.074299][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2102.074299][   T72]      addrconf_add_dev+0xe2/0x170
[ 2102.074299][   T72]      inet6_addr_add+0x12f/0xa40
[ 2102.074299][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2102.074299][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2102.074299][   T72]      netlink_rcv_skb+0x130/0x360
[ 2102.074299][   T72]      netlink_unicast+0x449/0x710
[ 2102.074299][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2102.074299][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2102.074299][   T72]      ___sys_sendmsg+0xee/0x170
[ 2102.074299][   T72]      __sys_sendmsg+0xcd/0x170
[ 2102.074299][   T72]      do_syscall_64+0xc6/0x1e0
[ 2102.074299][   T72] 
[ 2102.076312][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2102.076312][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2102.076312][   T72]      ipv6_find_idev+0x102/0x170
[ 2102.076312][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2102.076312][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2102.076312][   T72]      netlink_rcv_skb+0x130/0x360
[ 2102.076312][   T72]      netlink_unicast+0x449/0x710
[ 2102.076312][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2102.076312][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2102.076312][   T72]      ___sys_sendmsg+0xee/0x170
[ 2102.076312][   T72]      __sys_sendmsg+0xcd/0x170
[ 2102.076312][   T72]      do_syscall_64+0xc6/0x1e0
[ 2102.076312][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2102.076312][   T72] 
[ 2102.077883][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2102.077883][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2102.077883][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2102.077883][   T72]      ipv6_find_idev+0x102/0x170
[ 2102.077883][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2102.077883][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2102.077883][   T72]      netlink_rcv_skb+0x130/0x360
[ 2102.077883][   T72]      netlink_unicast+0x449/0x710
[ 2102.077883][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2102.077883][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2102.077883][   T72]      ___sys_sendmsg+0xee/0x170
[ 2102.077883][   T72]      __sys_sendmsg+0xcd/0x170
[ 2102.077883][   T72]      do_syscall_64+0xc6/0x1e0
[ 2102.077883][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2102.077883][   T72] 
[ 2112.319886][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2112.320276][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2112.320276][   T72]      netdev_get_by_index+0x5e/0x80
[ 2112.320276][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2112.320276][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2112.320276][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2112.320276][   T72]      ipv6_add_addr+0x411/0x2000
[ 2112.320276][   T72]      inet6_addr_add+0x30e/0xa40
[ 2112.320276][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2112.320276][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2112.320276][   T72]      netlink_rcv_skb+0x130/0x360
[ 2112.320276][   T72]      netlink_unicast+0x449/0x710
[ 2112.320276][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2112.320276][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2112.320276][   T72]      ___sys_sendmsg+0xee/0x170
[ 2112.320276][   T72]      __sys_sendmsg+0xcd/0x170
[ 2112.320276][   T72]      do_syscall_64+0xc6/0x1e0
[ 2112.320276][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2112.320276][   T72] 
[ 2112.322461][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2112.322461][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2112.322461][   T72]      ipv6_find_idev+0x102/0x170
[ 2112.322461][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2112.322461][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2112.322461][   T72]      netlink_rcv_skb+0x130/0x360
[ 2112.322461][   T72]      netlink_unicast+0x449/0x710
[ 2112.322461][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2112.322461][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2112.322461][   T72]      ___sys_sendmsg+0xee/0x170
[ 2112.322461][   T72]      __sys_sendmsg+0xcd/0x170
[ 2112.322461][   T72]      do_syscall_64+0xc6/0x1e0
[ 2112.322461][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2112.322461][   T72] 
[ 2112.324050][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2112.324050][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2112.324050][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2112.324050][   T72]      ipv6_find_idev+0x102/0x170
[ 2112.324050][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2112.324050][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2112.324050][   T72]      netlink_rcv_skb+0x130/0x360
[ 2112.324050][   T72]      netlink_unicast+0x449/0x710
[ 2112.324050][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2112.324050][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2112.324050][   T72]      ___sys_sendmsg+0xee/0x170
[ 2112.324050][   T72]      __sys_sendmsg+0xcd/0x170
[ 2112.324050][   T72]      do_syscall_64+0xc6/0x1e0
[ 2112.324050][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2112.324050][   T72] 
[ 2112.325801][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2112.326055][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2112.326055][   T72]      netdev_get_by_index+0x5e/0x80
[ 2112.326055][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2112.326055][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2112.326055][   T72]      ip6_route_add+0x1c/0x140
[ 2112.326055][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2112.326055][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2112.326055][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2112.326055][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2112.326055][   T72]      netlink_rcv_skb+0x130/0x360
[ 2112.326055][   T72]      netlink_unicast+0x449/0x710
[ 2112.326055][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2112.326055][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2112.326055][   T72]      ___sys_sendmsg+0xee/0x170
[ 2112.326055][   T72]      __sys_sendmsg+0xcd/0x170
[ 2112.326055][   T72]      do_syscall_64+0xc6/0x1e0
[ 2112.326055][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2112.326055][   T72] 
[ 2112.328112][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2112.328112][   T72]      netdev_get_by_index+0x5e/0x80
[ 2112.328112][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2112.328112][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2112.328112][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2112.328112][   T72]      ipv6_add_addr+0x411/0x2000
[ 2112.328112][   T72]      inet6_addr_add+0x30e/0xa40
[ 2112.328112][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2112.328112][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2112.328112][   T72]      netlink_rcv_skb+0x130/0x360
[ 2112.328112][   T72]      netlink_unicast+0x449/0x710
[ 2112.328112][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2112.328112][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2112.328112][   T72]      ___sys_sendmsg+0xee/0x170
[ 2112.328112][   T72]      __sys_sendmsg+0xcd/0x170
[ 2112.328112][   T72]      do_syscall_64+0xc6/0x1e0
[ 2112.328112][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2112.328112][   T72] 
[ 2112.330166][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2112.330166][   T72]      netdev_get_by_index+0x5e/0x80
[ 2112.330166][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2112.330166][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2112.330166][   T72]      ip6_route_add+0x1c/0x140
[ 2112.330166][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2112.330166][   T72]      addrconf_add_dev+0xe2/0x170
[ 2112.330166][   T72]      inet6_addr_add+0x12f/0xa40
[ 2112.330166][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2112.330166][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2112.330166][   T72]      netlink_rcv_skb+0x130/0x360
[ 2112.330166][   T72]      netlink_unicast+0x449/0x710
[ 2112.330166][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2112.330166][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2112.330166][   T72]      ___sys_sendmsg+0xee/0x170
[ 2112.330166][   T72]      __sys_sendmsg+0xcd/0x170
[ 2112.330166][   T72]      do_syscall_64+0xc6/0x1e0
[ 2112.330166][   T72] 
[ 2112.332186][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2112.332186][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2112.332186][   T72]      ipv6_find_idev+0x102/0x170
[ 2112.332186][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2112.332186][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2112.332186][   T72]      netlink_rcv_skb+0x130/0x360
[ 2112.332186][   T72]      netlink_unicast+0x449/0x710
[ 2112.332186][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2112.332186][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2112.332186][   T72]      ___sys_sendmsg+0xee/0x170
[ 2112.332186][   T72]      __sys_sendmsg+0xcd/0x170
[ 2112.332186][   T72]      do_syscall_64+0xc6/0x1e0
[ 2112.332186][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2112.332186][   T72] 
[ 2112.333766][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2112.333766][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2112.333766][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2112.333766][   T72]      ipv6_find_idev+0x102/0x170
[ 2112.333766][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2112.333766][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2112.333766][   T72]      netlink_rcv_skb+0x130/0x360
[ 2112.333766][   T72]      netlink_unicast+0x449/0x710
[ 2112.333766][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2112.333766][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2112.333766][   T72]      ___sys_sendmsg+0xee/0x170
[ 2112.333766][   T72]      __sys_sendmsg+0xcd/0x170
[ 2112.333766][   T72]      do_syscall_64+0xc6/0x1e0
[ 2112.333766][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2112.333766][   T72] 
[ 2122.575809][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2122.576257][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2122.576257][   T72]      netdev_get_by_index+0x5e/0x80
[ 2122.576257][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2122.576257][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2122.576257][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2122.576257][   T72]      ipv6_add_addr+0x411/0x2000
[ 2122.576257][   T72]      inet6_addr_add+0x30e/0xa40
[ 2122.576257][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2122.576257][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2122.576257][   T72]      netlink_rcv_skb+0x130/0x360
[ 2122.576257][   T72]      netlink_unicast+0x449/0x710
[ 2122.576257][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2122.576257][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2122.576257][   T72]      ___sys_sendmsg+0xee/0x170
[ 2122.576257][   T72]      __sys_sendmsg+0xcd/0x170
[ 2122.576257][   T72]      do_syscall_64+0xc6/0x1e0
[ 2122.576257][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2122.576257][   T72] 
[ 2122.578312][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2122.578312][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2122.578312][   T72]      ipv6_find_idev+0x102/0x170
[ 2122.578312][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2122.578312][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2122.578312][   T72]      netlink_rcv_skb+0x130/0x360
[ 2122.578312][   T72]      netlink_unicast+0x449/0x710
[ 2122.578312][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2122.578312][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2122.578312][   T72]      ___sys_sendmsg+0xee/0x170
[ 2122.578312][   T72]      __sys_sendmsg+0xcd/0x170
[ 2122.578312][   T72]      do_syscall_64+0xc6/0x1e0
[ 2122.578312][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2122.578312][   T72] 
[ 2122.579876][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2122.579876][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2122.579876][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2122.579876][   T72]      ipv6_find_idev+0x102/0x170
[ 2122.579876][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2122.579876][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2122.579876][   T72]      netlink_rcv_skb+0x130/0x360
[ 2122.579876][   T72]      netlink_unicast+0x449/0x710
[ 2122.579876][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2122.579876][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2122.579876][   T72]      ___sys_sendmsg+0xee/0x170
[ 2122.579876][   T72]      __sys_sendmsg+0xcd/0x170
[ 2122.579876][   T72]      do_syscall_64+0xc6/0x1e0
[ 2122.579876][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2122.579876][   T72] 
[ 2122.581603][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2122.581864][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2122.581864][   T72]      netdev_get_by_index+0x5e/0x80
[ 2122.581864][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2122.581864][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2122.581864][   T72]      ip6_route_add+0x1c/0x140
[ 2122.581864][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2122.581864][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2122.581864][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2122.581864][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2122.581864][   T72]      netlink_rcv_skb+0x130/0x360
[ 2122.581864][   T72]      netlink_unicast+0x449/0x710
[ 2122.581864][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2122.581864][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2122.581864][   T72]      ___sys_sendmsg+0xee/0x170
[ 2122.581864][   T72]      __sys_sendmsg+0xcd/0x170
[ 2122.581864][   T72]      do_syscall_64+0xc6/0x1e0
[ 2122.581864][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2122.581864][   T72] 
[ 2122.583901][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2122.583901][   T72]      netdev_get_by_index+0x5e/0x80
[ 2122.583901][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2122.583901][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2122.583901][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2122.583901][   T72]      ipv6_add_addr+0x411/0x2000
[ 2122.583901][   T72]      inet6_addr_add+0x30e/0xa40
[ 2122.583901][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2122.583901][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2122.583901][   T72]      netlink_rcv_skb+0x130/0x360
[ 2122.583901][   T72]      netlink_unicast+0x449/0x710
[ 2122.583901][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2122.583901][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2122.583901][   T72]      ___sys_sendmsg+0xee/0x170
[ 2122.583901][   T72]      __sys_sendmsg+0xcd/0x170
[ 2122.583901][   T72]      do_syscall_64+0xc6/0x1e0
[ 2122.583901][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2122.583901][   T72] 
[ 2122.585937][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2122.585937][   T72]      netdev_get_by_index+0x5e/0x80
[ 2122.585937][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2122.585937][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2122.585937][   T72]      ip6_route_add+0x1c/0x140
[ 2122.585937][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2122.585937][   T72]      addrconf_add_dev+0xe2/0x170
[ 2122.585937][   T72]      inet6_addr_add+0x12f/0xa40
[ 2122.585937][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2122.585937][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2122.585937][   T72]      netlink_rcv_skb+0x130/0x360
[ 2122.585937][   T72]      netlink_unicast+0x449/0x710
[ 2122.585937][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2122.585937][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2122.585937][   T72]      ___sys_sendmsg+0xee/0x170
[ 2122.585937][   T72]      __sys_sendmsg+0xcd/0x170
[ 2122.585937][   T72]      do_syscall_64+0xc6/0x1e0
[ 2122.585937][   T72] 
[ 2122.587929][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2122.587929][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2122.587929][   T72]      ipv6_find_idev+0x102/0x170
[ 2122.587929][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2122.587929][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2122.587929][   T72]      netlink_rcv_skb+0x130/0x360
[ 2122.587929][   T72]      netlink_unicast+0x449/0x710
[ 2122.587929][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2122.587929][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2122.587929][   T72]      ___sys_sendmsg+0xee/0x170
[ 2122.587929][   T72]      __sys_sendmsg+0xcd/0x170
[ 2122.587929][   T72]      do_syscall_64+0xc6/0x1e0
[ 2122.587929][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2122.587929][   T72] 
[ 2122.589489][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2122.589489][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2122.589489][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2122.589489][   T72]      ipv6_find_idev+0x102/0x170
[ 2122.589489][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2122.589489][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2122.589489][   T72]      netlink_rcv_skb+0x130/0x360
[ 2122.589489][   T72]      netlink_unicast+0x449/0x710
[ 2122.589489][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2122.589489][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2122.589489][   T72]      ___sys_sendmsg+0xee/0x170
[ 2122.589489][   T72]      __sys_sendmsg+0xcd/0x170
[ 2122.589489][   T72]      do_syscall_64+0xc6/0x1e0
[ 2122.589489][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2122.589489][   T72] 
[ 2132.831885][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2132.832332][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2132.832332][   T72]      netdev_get_by_index+0x5e/0x80
[ 2132.832332][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2132.832332][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2132.832332][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2132.832332][   T72]      ipv6_add_addr+0x411/0x2000
[ 2132.832332][   T72]      inet6_addr_add+0x30e/0xa40
[ 2132.832332][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2132.832332][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2132.832332][   T72]      netlink_rcv_skb+0x130/0x360
[ 2132.832332][   T72]      netlink_unicast+0x449/0x710
[ 2132.832332][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2132.832332][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2132.832332][   T72]      ___sys_sendmsg+0xee/0x170
[ 2132.832332][   T72]      __sys_sendmsg+0xcd/0x170
[ 2132.832332][   T72]      do_syscall_64+0xc6/0x1e0
[ 2132.832332][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2132.832332][   T72] 
[ 2132.834395][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2132.834395][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2132.834395][   T72]      ipv6_find_idev+0x102/0x170
[ 2132.834395][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2132.834395][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2132.834395][   T72]      netlink_rcv_skb+0x130/0x360
[ 2132.834395][   T72]      netlink_unicast+0x449/0x710
[ 2132.834395][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2132.834395][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2132.834395][   T72]      ___sys_sendmsg+0xee/0x170
[ 2132.834395][   T72]      __sys_sendmsg+0xcd/0x170
[ 2132.834395][   T72]      do_syscall_64+0xc6/0x1e0
[ 2132.834395][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2132.834395][   T72] 
[ 2132.835974][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2132.835974][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2132.835974][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2132.835974][   T72]      ipv6_find_idev+0x102/0x170
[ 2132.835974][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2132.835974][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2132.835974][   T72]      netlink_rcv_skb+0x130/0x360
[ 2132.835974][   T72]      netlink_unicast+0x449/0x710
[ 2132.835974][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2132.835974][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2132.835974][   T72]      ___sys_sendmsg+0xee/0x170
[ 2132.835974][   T72]      __sys_sendmsg+0xcd/0x170
[ 2132.835974][   T72]      do_syscall_64+0xc6/0x1e0
[ 2132.835974][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2132.835974][   T72] 
[ 2132.837710][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2132.837980][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2132.837980][   T72]      netdev_get_by_index+0x5e/0x80
[ 2132.837980][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2132.837980][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2132.837980][   T72]      ip6_route_add+0x1c/0x140
[ 2132.837980][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2132.837980][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2132.837980][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2132.837980][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2132.837980][   T72]      netlink_rcv_skb+0x130/0x360
[ 2132.837980][   T72]      netlink_unicast+0x449/0x710
[ 2132.837980][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2132.837980][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2132.837980][   T72]      ___sys_sendmsg+0xee/0x170
[ 2132.837980][   T72]      __sys_sendmsg+0xcd/0x170
[ 2132.837980][   T72]      do_syscall_64+0xc6/0x1e0
[ 2132.837980][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2132.837980][   T72] 
[ 2132.840009][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2132.840009][   T72]      netdev_get_by_index+0x5e/0x80
[ 2132.840009][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2132.840009][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2132.840009][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2132.840009][   T72]      ipv6_add_addr+0x411/0x2000
[ 2132.840009][   T72]      inet6_addr_add+0x30e/0xa40
[ 2132.840009][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2132.840009][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2132.840009][   T72]      netlink_rcv_skb+0x130/0x360
[ 2132.840009][   T72]      netlink_unicast+0x449/0x710
[ 2132.840009][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2132.840009][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2132.840009][   T72]      ___sys_sendmsg+0xee/0x170
[ 2132.840009][   T72]      __sys_sendmsg+0xcd/0x170
[ 2132.840009][   T72]      do_syscall_64+0xc6/0x1e0
[ 2132.840009][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2132.840009][   T72] 
[ 2132.842047][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2132.842047][   T72]      netdev_get_by_index+0x5e/0x80
[ 2132.842047][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2132.842047][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2132.842047][   T72]      ip6_route_add+0x1c/0x140
[ 2132.842047][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2132.842047][   T72]      addrconf_add_dev+0xe2/0x170
[ 2132.842047][   T72]      inet6_addr_add+0x12f/0xa40
[ 2132.842047][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2132.842047][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2132.842047][   T72]      netlink_rcv_skb+0x130/0x360
[ 2132.842047][   T72]      netlink_unicast+0x449/0x710
[ 2132.842047][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2132.842047][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2132.842047][   T72]      ___sys_sendmsg+0xee/0x170
[ 2132.842047][   T72]      __sys_sendmsg+0xcd/0x170
[ 2132.842047][   T72]      do_syscall_64+0xc6/0x1e0
[ 2132.842047][   T72] 
[ 2132.844038][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2132.844038][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2132.844038][   T72]      ipv6_find_idev+0x102/0x170
[ 2132.844038][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2132.844038][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2132.844038][   T72]      netlink_rcv_skb+0x130/0x360
[ 2132.844038][   T72]      netlink_unicast+0x449/0x710
[ 2132.844038][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2132.844038][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2132.844038][   T72]      ___sys_sendmsg+0xee/0x170
[ 2132.844038][   T72]      __sys_sendmsg+0xcd/0x170
[ 2132.844038][   T72]      do_syscall_64+0xc6/0x1e0
[ 2132.844038][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2132.844038][   T72] 
[ 2132.846135][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2132.846135][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2132.846135][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2132.846135][   T72]      ipv6_find_idev+0x102/0x170
[ 2132.846135][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2132.846135][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2132.846135][   T72]      netlink_rcv_skb+0x130/0x360
[ 2132.846135][   T72]      netlink_unicast+0x449/0x710
[ 2132.846135][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2132.846135][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2132.846135][   T72]      ___sys_sendmsg+0xee/0x170
[ 2132.846135][   T72]      __sys_sendmsg+0xcd/0x170
[ 2132.846135][   T72]      do_syscall_64+0xc6/0x1e0
[ 2132.846135][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2132.846135][   T72] 
[ 2143.087815][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2143.088248][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2143.088248][   T72]      netdev_get_by_index+0x5e/0x80
[ 2143.088248][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2143.088248][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2143.088248][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2143.088248][   T72]      ipv6_add_addr+0x411/0x2000
[ 2143.088248][   T72]      inet6_addr_add+0x30e/0xa40
[ 2143.088248][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2143.088248][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2143.088248][   T72]      netlink_rcv_skb+0x130/0x360
[ 2143.088248][   T72]      netlink_unicast+0x449/0x710
[ 2143.088248][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2143.088248][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2143.088248][   T72]      ___sys_sendmsg+0xee/0x170
[ 2143.088248][   T72]      __sys_sendmsg+0xcd/0x170
[ 2143.088248][   T72]      do_syscall_64+0xc6/0x1e0
[ 2143.088248][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2143.088248][   T72] 
[ 2143.090329][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2143.090329][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2143.090329][   T72]      ipv6_find_idev+0x102/0x170
[ 2143.090329][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2143.090329][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2143.090329][   T72]      netlink_rcv_skb+0x130/0x360
[ 2143.090329][   T72]      netlink_unicast+0x449/0x710
[ 2143.090329][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2143.090329][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2143.090329][   T72]      ___sys_sendmsg+0xee/0x170
[ 2143.090329][   T72]      __sys_sendmsg+0xcd/0x170
[ 2143.090329][   T72]      do_syscall_64+0xc6/0x1e0
[ 2143.090329][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2143.090329][   T72] 
[ 2143.091920][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2143.091920][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2143.091920][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2143.091920][   T72]      ipv6_find_idev+0x102/0x170
[ 2143.091920][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2143.091920][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2143.091920][   T72]      netlink_rcv_skb+0x130/0x360
[ 2143.091920][   T72]      netlink_unicast+0x449/0x710
[ 2143.091920][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2143.091920][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2143.091920][   T72]      ___sys_sendmsg+0xee/0x170
[ 2143.091920][   T72]      __sys_sendmsg+0xcd/0x170
[ 2143.091920][   T72]      do_syscall_64+0xc6/0x1e0
[ 2143.091920][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2143.091920][   T72] 
[ 2143.093637][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2143.093901][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2143.093901][   T72]      netdev_get_by_index+0x5e/0x80
[ 2143.093901][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2143.093901][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2143.093901][   T72]      ip6_route_add+0x1c/0x140
[ 2143.093901][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2143.093901][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2143.093901][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2143.093901][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2143.093901][   T72]      netlink_rcv_skb+0x130/0x360
[ 2143.093901][   T72]      netlink_unicast+0x449/0x710
[ 2143.093901][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2143.093901][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2143.093901][   T72]      ___sys_sendmsg+0xee/0x170
[ 2143.093901][   T72]      __sys_sendmsg+0xcd/0x170
[ 2143.093901][   T72]      do_syscall_64+0xc6/0x1e0
[ 2143.093901][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2143.093901][   T72] 
[ 2143.095995][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2143.095995][   T72]      netdev_get_by_index+0x5e/0x80
[ 2143.095995][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2143.095995][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2143.095995][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2143.095995][   T72]      ipv6_add_addr+0x411/0x2000
[ 2143.095995][   T72]      inet6_addr_add+0x30e/0xa40
[ 2143.095995][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2143.095995][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2143.095995][   T72]      netlink_rcv_skb+0x130/0x360
[ 2143.095995][   T72]      netlink_unicast+0x449/0x710
[ 2143.095995][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2143.095995][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2143.095995][   T72]      ___sys_sendmsg+0xee/0x170
[ 2143.095995][   T72]      __sys_sendmsg+0xcd/0x170
[ 2143.095995][   T72]      do_syscall_64+0xc6/0x1e0
[ 2143.095995][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2143.095995][   T72] 
[ 2143.098029][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2143.098029][   T72]      netdev_get_by_index+0x5e/0x80
[ 2143.098029][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2143.098029][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2143.098029][   T72]      ip6_route_add+0x1c/0x140
[ 2143.098029][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2143.098029][   T72]      addrconf_add_dev+0xe2/0x170
[ 2143.098029][   T72]      inet6_addr_add+0x12f/0xa40
[ 2143.098029][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2143.098029][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2143.098029][   T72]      netlink_rcv_skb+0x130/0x360
[ 2143.098029][   T72]      netlink_unicast+0x449/0x710
[ 2143.098029][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2143.098029][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2143.098029][   T72]      ___sys_sendmsg+0xee/0x170
[ 2143.098029][   T72]      __sys_sendmsg+0xcd/0x170
[ 2143.098029][   T72]      do_syscall_64+0xc6/0x1e0
[ 2143.098029][   T72] 
[ 2143.100121][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2143.100121][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2143.100121][   T72]      ipv6_find_idev+0x102/0x170
[ 2143.100121][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2143.100121][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2143.100121][   T72]      netlink_rcv_skb+0x130/0x360
[ 2143.100121][   T72]      netlink_unicast+0x449/0x710
[ 2143.100121][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2143.100121][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2143.100121][   T72]      ___sys_sendmsg+0xee/0x170
[ 2143.100121][   T72]      __sys_sendmsg+0xcd/0x170
[ 2143.100121][   T72]      do_syscall_64+0xc6/0x1e0
[ 2143.100121][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2143.100121][   T72] 
[ 2143.101716][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2143.101716][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2143.101716][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2143.101716][   T72]      ipv6_find_idev+0x102/0x170
[ 2143.101716][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2143.101716][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2143.101716][   T72]      netlink_rcv_skb+0x130/0x360
[ 2143.101716][   T72]      netlink_unicast+0x449/0x710
[ 2143.101716][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2143.101716][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2143.101716][   T72]      ___sys_sendmsg+0xee/0x170
[ 2143.101716][   T72]      __sys_sendmsg+0xcd/0x170
[ 2143.101716][   T72]      do_syscall_64+0xc6/0x1e0
[ 2143.101716][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2143.101716][   T72] 
[ 2153.343899][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2153.344339][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2153.344339][   T72]      netdev_get_by_index+0x5e/0x80
[ 2153.344339][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2153.344339][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2153.344339][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2153.344339][   T72]      ipv6_add_addr+0x411/0x2000
[ 2153.344339][   T72]      inet6_addr_add+0x30e/0xa40
[ 2153.344339][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2153.344339][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2153.344339][   T72]      netlink_rcv_skb+0x130/0x360
[ 2153.344339][   T72]      netlink_unicast+0x449/0x710
[ 2153.344339][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2153.344339][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2153.344339][   T72]      ___sys_sendmsg+0xee/0x170
[ 2153.344339][   T72]      __sys_sendmsg+0xcd/0x170
[ 2153.344339][   T72]      do_syscall_64+0xc6/0x1e0
[ 2153.344339][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2153.344339][   T72] 
[ 2153.346394][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2153.346394][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2153.346394][   T72]      ipv6_find_idev+0x102/0x170
[ 2153.346394][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2153.346394][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2153.346394][   T72]      netlink_rcv_skb+0x130/0x360
[ 2153.346394][   T72]      netlink_unicast+0x449/0x710
[ 2153.346394][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2153.346394][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2153.346394][   T72]      ___sys_sendmsg+0xee/0x170
[ 2153.346394][   T72]      __sys_sendmsg+0xcd/0x170
[ 2153.346394][   T72]      do_syscall_64+0xc6/0x1e0
[ 2153.346394][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2153.346394][   T72] 
[ 2153.347967][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2153.347967][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2153.347967][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2153.347967][   T72]      ipv6_find_idev+0x102/0x170
[ 2153.347967][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2153.347967][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2153.347967][   T72]      netlink_rcv_skb+0x130/0x360
[ 2153.347967][   T72]      netlink_unicast+0x449/0x710
[ 2153.347967][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2153.347967][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2153.347967][   T72]      ___sys_sendmsg+0xee/0x170
[ 2153.347967][   T72]      __sys_sendmsg+0xcd/0x170
[ 2153.347967][   T72]      do_syscall_64+0xc6/0x1e0
[ 2153.347967][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2153.347967][   T72] 
[ 2153.349675][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2153.349929][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2153.349929][   T72]      netdev_get_by_index+0x5e/0x80
[ 2153.349929][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2153.349929][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2153.349929][   T72]      ip6_route_add+0x1c/0x140
[ 2153.349929][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2153.349929][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2153.349929][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2153.349929][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2153.349929][   T72]      netlink_rcv_skb+0x130/0x360
[ 2153.349929][   T72]      netlink_unicast+0x449/0x710
[ 2153.349929][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2153.349929][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2153.349929][   T72]      ___sys_sendmsg+0xee/0x170
[ 2153.349929][   T72]      __sys_sendmsg+0xcd/0x170
[ 2153.349929][   T72]      do_syscall_64+0xc6/0x1e0
[ 2153.349929][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2153.349929][   T72] 
[ 2153.351991][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2153.351991][   T72]      netdev_get_by_index+0x5e/0x80
[ 2153.351991][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2153.351991][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2153.351991][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2153.351991][   T72]      ipv6_add_addr+0x411/0x2000
[ 2153.351991][   T72]      inet6_addr_add+0x30e/0xa40
[ 2153.351991][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2153.351991][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2153.351991][   T72]      netlink_rcv_skb+0x130/0x360
[ 2153.351991][   T72]      netlink_unicast+0x449/0x710
[ 2153.351991][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2153.351991][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2153.351991][   T72]      ___sys_sendmsg+0xee/0x170
[ 2153.351991][   T72]      __sys_sendmsg+0xcd/0x170
[ 2153.351991][   T72]      do_syscall_64+0xc6/0x1e0
[ 2153.351991][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2153.351991][   T72] 
[ 2153.354012][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2153.354012][   T72]      netdev_get_by_index+0x5e/0x80
[ 2153.354012][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2153.354012][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2153.354012][   T72]      ip6_route_add+0x1c/0x140
[ 2153.354012][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2153.354012][   T72]      addrconf_add_dev+0xe2/0x170
[ 2153.354012][   T72]      inet6_addr_add+0x12f/0xa40
[ 2153.354012][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2153.354012][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2153.354012][   T72]      netlink_rcv_skb+0x130/0x360
[ 2153.354012][   T72]      netlink_unicast+0x449/0x710
[ 2153.354012][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2153.354012][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2153.354012][   T72]      ___sys_sendmsg+0xee/0x170
[ 2153.354012][   T72]      __sys_sendmsg+0xcd/0x170
[ 2153.354012][   T72]      do_syscall_64+0xc6/0x1e0
[ 2153.354012][   T72] 
[ 2153.355994][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2153.355994][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2153.355994][   T72]      ipv6_find_idev+0x102/0x170
[ 2153.355994][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2153.355994][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2153.355994][   T72]      netlink_rcv_skb+0x130/0x360
[ 2153.355994][   T72]      netlink_unicast+0x449/0x710
[ 2153.355994][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2153.355994][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2153.355994][   T72]      ___sys_sendmsg+0xee/0x170
[ 2153.355994][   T72]      __sys_sendmsg+0xcd/0x170
[ 2153.355994][   T72]      do_syscall_64+0xc6/0x1e0
[ 2153.355994][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2153.355994][   T72] 
[ 2153.357548][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2153.357548][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2153.357548][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2153.357548][   T72]      ipv6_find_idev+0x102/0x170
[ 2153.357548][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2153.357548][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2153.357548][   T72]      netlink_rcv_skb+0x130/0x360
[ 2153.357548][   T72]      netlink_unicast+0x449/0x710
[ 2153.357548][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2153.357548][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2153.357548][   T72]      ___sys_sendmsg+0xee/0x170
[ 2153.357548][   T72]      __sys_sendmsg+0xcd/0x170
[ 2153.357548][   T72]      do_syscall_64+0xc6/0x1e0
[ 2153.357548][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2153.357548][   T72] 
[ 2163.599875][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2163.600324][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2163.600324][   T72]      netdev_get_by_index+0x5e/0x80
[ 2163.600324][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2163.600324][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2163.600324][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2163.600324][   T72]      ipv6_add_addr+0x411/0x2000
[ 2163.600324][   T72]      inet6_addr_add+0x30e/0xa40
[ 2163.600324][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2163.600324][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2163.600324][   T72]      netlink_rcv_skb+0x130/0x360
[ 2163.600324][   T72]      netlink_unicast+0x449/0x710
[ 2163.600324][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2163.600324][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2163.600324][   T72]      ___sys_sendmsg+0xee/0x170
[ 2163.600324][   T72]      __sys_sendmsg+0xcd/0x170
[ 2163.600324][   T72]      do_syscall_64+0xc6/0x1e0
[ 2163.600324][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2163.600324][   T72] 
[ 2163.602388][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2163.602388][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2163.602388][   T72]      ipv6_find_idev+0x102/0x170
[ 2163.602388][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2163.602388][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2163.602388][   T72]      netlink_rcv_skb+0x130/0x360
[ 2163.602388][   T72]      netlink_unicast+0x449/0x710
[ 2163.602388][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2163.602388][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2163.602388][   T72]      ___sys_sendmsg+0xee/0x170
[ 2163.602388][   T72]      __sys_sendmsg+0xcd/0x170
[ 2163.602388][   T72]      do_syscall_64+0xc6/0x1e0
[ 2163.602388][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2163.602388][   T72] 
[ 2163.603949][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2163.603949][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2163.603949][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2163.603949][   T72]      ipv6_find_idev+0x102/0x170
[ 2163.603949][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2163.603949][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2163.603949][   T72]      netlink_rcv_skb+0x130/0x360
[ 2163.603949][   T72]      netlink_unicast+0x449/0x710
[ 2163.603949][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2163.603949][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2163.603949][   T72]      ___sys_sendmsg+0xee/0x170
[ 2163.603949][   T72]      __sys_sendmsg+0xcd/0x170
[ 2163.603949][   T72]      do_syscall_64+0xc6/0x1e0
[ 2163.603949][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2163.603949][   T72] 
[ 2163.605658][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2163.605916][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2163.605916][   T72]      netdev_get_by_index+0x5e/0x80
[ 2163.605916][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2163.605916][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2163.605916][   T72]      ip6_route_add+0x1c/0x140
[ 2163.605916][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2163.605916][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2163.605916][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2163.605916][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2163.605916][   T72]      netlink_rcv_skb+0x130/0x360
[ 2163.605916][   T72]      netlink_unicast+0x449/0x710
[ 2163.605916][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2163.605916][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2163.605916][   T72]      ___sys_sendmsg+0xee/0x170
[ 2163.605916][   T72]      __sys_sendmsg+0xcd/0x170
[ 2163.605916][   T72]      do_syscall_64+0xc6/0x1e0
[ 2163.605916][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2163.605916][   T72] 
[ 2163.607950][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2163.607950][   T72]      netdev_get_by_index+0x5e/0x80
[ 2163.607950][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2163.607950][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2163.607950][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2163.607950][   T72]      ipv6_add_addr+0x411/0x2000
[ 2163.607950][   T72]      inet6_addr_add+0x30e/0xa40
[ 2163.607950][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2163.607950][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2163.607950][   T72]      netlink_rcv_skb+0x130/0x360
[ 2163.607950][   T72]      netlink_unicast+0x449/0x710
[ 2163.607950][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2163.607950][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2163.607950][   T72]      ___sys_sendmsg+0xee/0x170
[ 2163.607950][   T72]      __sys_sendmsg+0xcd/0x170
[ 2163.607950][   T72]      do_syscall_64+0xc6/0x1e0
[ 2163.607950][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2163.607950][   T72] 
[ 2163.609968][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2163.609968][   T72]      netdev_get_by_index+0x5e/0x80
[ 2163.609968][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2163.609968][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2163.609968][   T72]      ip6_route_add+0x1c/0x140
[ 2163.609968][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2163.609968][   T72]      addrconf_add_dev+0xe2/0x170
[ 2163.609968][   T72]      inet6_addr_add+0x12f/0xa40
[ 2163.609968][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2163.609968][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2163.609968][   T72]      netlink_rcv_skb+0x130/0x360
[ 2163.609968][   T72]      netlink_unicast+0x449/0x710
[ 2163.609968][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2163.609968][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2163.609968][   T72]      ___sys_sendmsg+0xee/0x170
[ 2163.609968][   T72]      __sys_sendmsg+0xcd/0x170
[ 2163.609968][   T72]      do_syscall_64+0xc6/0x1e0
[ 2163.609968][   T72] 
[ 2163.612094][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2163.612094][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2163.612094][   T72]      ipv6_find_idev+0x102/0x170
[ 2163.612094][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2163.612094][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2163.612094][   T72]      netlink_rcv_skb+0x130/0x360
[ 2163.612094][   T72]      netlink_unicast+0x449/0x710
[ 2163.612094][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2163.612094][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2163.612094][   T72]      ___sys_sendmsg+0xee/0x170
[ 2163.612094][   T72]      __sys_sendmsg+0xcd/0x170
[ 2163.612094][   T72]      do_syscall_64+0xc6/0x1e0
[ 2163.612094][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2163.612094][   T72] 
[ 2163.613680][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2163.613680][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2163.613680][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2163.613680][   T72]      ipv6_find_idev+0x102/0x170
[ 2163.613680][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2163.613680][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2163.613680][   T72]      netlink_rcv_skb+0x130/0x360
[ 2163.613680][   T72]      netlink_unicast+0x449/0x710
[ 2163.613680][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2163.613680][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2163.613680][   T72]      ___sys_sendmsg+0xee/0x170
[ 2163.613680][   T72]      __sys_sendmsg+0xcd/0x170
[ 2163.613680][   T72]      do_syscall_64+0xc6/0x1e0
[ 2163.613680][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2163.613680][   T72] 
[ 2173.855883][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2173.856341][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2173.856341][   T72]      netdev_get_by_index+0x5e/0x80
[ 2173.856341][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2173.856341][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2173.856341][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2173.856341][   T72]      ipv6_add_addr+0x411/0x2000
[ 2173.856341][   T72]      inet6_addr_add+0x30e/0xa40
[ 2173.856341][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2173.856341][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2173.856341][   T72]      netlink_rcv_skb+0x130/0x360
[ 2173.856341][   T72]      netlink_unicast+0x449/0x710
[ 2173.856341][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2173.856341][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2173.856341][   T72]      ___sys_sendmsg+0xee/0x170
[ 2173.856341][   T72]      __sys_sendmsg+0xcd/0x170
[ 2173.856341][   T72]      do_syscall_64+0xc6/0x1e0
[ 2173.856341][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2173.856341][   T72] 
[ 2173.858410][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2173.858410][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2173.858410][   T72]      ipv6_find_idev+0x102/0x170
[ 2173.858410][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2173.858410][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2173.858410][   T72]      netlink_rcv_skb+0x130/0x360
[ 2173.858410][   T72]      netlink_unicast+0x449/0x710
[ 2173.858410][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2173.858410][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2173.858410][   T72]      ___sys_sendmsg+0xee/0x170
[ 2173.858410][   T72]      __sys_sendmsg+0xcd/0x170
[ 2173.858410][   T72]      do_syscall_64+0xc6/0x1e0
[ 2173.858410][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2173.858410][   T72] 
[ 2173.859991][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2173.859991][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2173.859991][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2173.859991][   T72]      ipv6_find_idev+0x102/0x170
[ 2173.859991][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2173.859991][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2173.859991][   T72]      netlink_rcv_skb+0x130/0x360
[ 2173.859991][   T72]      netlink_unicast+0x449/0x710
[ 2173.859991][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2173.859991][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2173.859991][   T72]      ___sys_sendmsg+0xee/0x170
[ 2173.859991][   T72]      __sys_sendmsg+0xcd/0x170
[ 2173.859991][   T72]      do_syscall_64+0xc6/0x1e0
[ 2173.859991][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2173.859991][   T72] 
[ 2173.861723][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2173.861983][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2173.861983][   T72]      netdev_get_by_index+0x5e/0x80
[ 2173.861983][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2173.861983][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2173.861983][   T72]      ip6_route_add+0x1c/0x140
[ 2173.861983][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2173.861983][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2173.861983][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2173.861983][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2173.861983][   T72]      netlink_rcv_skb+0x130/0x360
[ 2173.861983][   T72]      netlink_unicast+0x449/0x710
[ 2173.861983][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2173.861983][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2173.861983][   T72]      ___sys_sendmsg+0xee/0x170
[ 2173.861983][   T72]      __sys_sendmsg+0xcd/0x170
[ 2173.861983][   T72]      do_syscall_64+0xc6/0x1e0
[ 2173.861983][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2173.861983][   T72] 
[ 2173.864021][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2173.864021][   T72]      netdev_get_by_index+0x5e/0x80
[ 2173.864021][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2173.864021][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2173.864021][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2173.864021][   T72]      ipv6_add_addr+0x411/0x2000
[ 2173.864021][   T72]      inet6_addr_add+0x30e/0xa40
[ 2173.864021][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2173.864021][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2173.864021][   T72]      netlink_rcv_skb+0x130/0x360
[ 2173.864021][   T72]      netlink_unicast+0x449/0x710
[ 2173.864021][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2173.864021][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2173.864021][   T72]      ___sys_sendmsg+0xee/0x170
[ 2173.864021][   T72]      __sys_sendmsg+0xcd/0x170
[ 2173.864021][   T72]      do_syscall_64+0xc6/0x1e0
[ 2173.864021][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2173.864021][   T72] 
[ 2173.866063][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2173.866063][   T72]      netdev_get_by_index+0x5e/0x80
[ 2173.866063][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2173.866063][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2173.866063][   T72]      ip6_route_add+0x1c/0x140
[ 2173.866063][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2173.866063][   T72]      addrconf_add_dev+0xe2/0x170
[ 2173.866063][   T72]      inet6_addr_add+0x12f/0xa40
[ 2173.866063][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2173.866063][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2173.866063][   T72]      netlink_rcv_skb+0x130/0x360
[ 2173.866063][   T72]      netlink_unicast+0x449/0x710
[ 2173.866063][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2173.866063][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2173.866063][   T72]      ___sys_sendmsg+0xee/0x170
[ 2173.866063][   T72]      __sys_sendmsg+0xcd/0x170
[ 2173.866063][   T72]      do_syscall_64+0xc6/0x1e0
[ 2173.866063][   T72] 
[ 2173.868062][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2173.868062][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2173.868062][   T72]      ipv6_find_idev+0x102/0x170
[ 2173.868062][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2173.868062][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2173.868062][   T72]      netlink_rcv_skb+0x130/0x360
[ 2173.868062][   T72]      netlink_unicast+0x449/0x710
[ 2173.868062][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2173.868062][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2173.868062][   T72]      ___sys_sendmsg+0xee/0x170
[ 2173.868062][   T72]      __sys_sendmsg+0xcd/0x170
[ 2173.868062][   T72]      do_syscall_64+0xc6/0x1e0
[ 2173.868062][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2173.868062][   T72] 
[ 2173.869636][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2173.869636][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2173.869636][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2173.869636][   T72]      ipv6_find_idev+0x102/0x170
[ 2173.869636][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2173.869636][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2173.869636][   T72]      netlink_rcv_skb+0x130/0x360
[ 2173.869636][   T72]      netlink_unicast+0x449/0x710
[ 2173.869636][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2173.869636][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2173.869636][   T72]      ___sys_sendmsg+0xee/0x170
[ 2173.869636][   T72]      __sys_sendmsg+0xcd/0x170
[ 2173.869636][   T72]      do_syscall_64+0xc6/0x1e0
[ 2173.869636][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2173.869636][   T72] 
[ 2184.111814][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2184.112191][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2184.112191][   T72]      netdev_get_by_index+0x5e/0x80
[ 2184.112191][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2184.112191][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2184.112191][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2184.112191][   T72]      ipv6_add_addr+0x411/0x2000
[ 2184.112191][   T72]      inet6_addr_add+0x30e/0xa40
[ 2184.112191][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2184.112191][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2184.112191][   T72]      netlink_rcv_skb+0x130/0x360
[ 2184.112191][   T72]      netlink_unicast+0x449/0x710
[ 2184.112191][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2184.112191][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2184.112191][   T72]      ___sys_sendmsg+0xee/0x170
[ 2184.112191][   T72]      __sys_sendmsg+0xcd/0x170
[ 2184.112191][   T72]      do_syscall_64+0xc6/0x1e0
[ 2184.112191][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2184.112191][   T72] 
[ 2184.114272][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2184.114272][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2184.114272][   T72]      ipv6_find_idev+0x102/0x170
[ 2184.114272][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2184.114272][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2184.114272][   T72]      netlink_rcv_skb+0x130/0x360
[ 2184.114272][   T72]      netlink_unicast+0x449/0x710
[ 2184.114272][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2184.114272][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2184.114272][   T72]      ___sys_sendmsg+0xee/0x170
[ 2184.114272][   T72]      __sys_sendmsg+0xcd/0x170
[ 2184.114272][   T72]      do_syscall_64+0xc6/0x1e0
[ 2184.114272][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2184.114272][   T72] 
[ 2184.115862][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2184.115862][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2184.115862][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2184.115862][   T72]      ipv6_find_idev+0x102/0x170
[ 2184.115862][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2184.115862][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2184.115862][   T72]      netlink_rcv_skb+0x130/0x360
[ 2184.115862][   T72]      netlink_unicast+0x449/0x710
[ 2184.115862][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2184.115862][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2184.115862][   T72]      ___sys_sendmsg+0xee/0x170
[ 2184.115862][   T72]      __sys_sendmsg+0xcd/0x170
[ 2184.115862][   T72]      do_syscall_64+0xc6/0x1e0
[ 2184.115862][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2184.115862][   T72] 
[ 2184.117579][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2184.117837][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2184.117837][   T72]      netdev_get_by_index+0x5e/0x80
[ 2184.117837][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2184.117837][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2184.117837][   T72]      ip6_route_add+0x1c/0x140
[ 2184.117837][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2184.117837][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2184.117837][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2184.117837][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2184.117837][   T72]      netlink_rcv_skb+0x130/0x360
[ 2184.117837][   T72]      netlink_unicast+0x449/0x710
[ 2184.117837][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2184.117837][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2184.117837][   T72]      ___sys_sendmsg+0xee/0x170
[ 2184.117837][   T72]      __sys_sendmsg+0xcd/0x170
[ 2184.117837][   T72]      do_syscall_64+0xc6/0x1e0
[ 2184.117837][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2184.117837][   T72] 
[ 2184.119875][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2184.119875][   T72]      netdev_get_by_index+0x5e/0x80
[ 2184.119875][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2184.119875][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2184.119875][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2184.119875][   T72]      ipv6_add_addr+0x411/0x2000
[ 2184.119875][   T72]      inet6_addr_add+0x30e/0xa40
[ 2184.119875][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2184.119875][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2184.119875][   T72]      netlink_rcv_skb+0x130/0x360
[ 2184.119875][   T72]      netlink_unicast+0x449/0x710
[ 2184.119875][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2184.119875][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2184.119875][   T72]      ___sys_sendmsg+0xee/0x170
[ 2184.119875][   T72]      __sys_sendmsg+0xcd/0x170
[ 2184.119875][   T72]      do_syscall_64+0xc6/0x1e0
[ 2184.119875][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2184.119875][   T72] 
[ 2184.121925][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2184.121925][   T72]      netdev_get_by_index+0x5e/0x80
[ 2184.121925][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2184.121925][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2184.121925][   T72]      ip6_route_add+0x1c/0x140
[ 2184.121925][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2184.121925][   T72]      addrconf_add_dev+0xe2/0x170
[ 2184.121925][   T72]      inet6_addr_add+0x12f/0xa40
[ 2184.121925][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2184.121925][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2184.121925][   T72]      netlink_rcv_skb+0x130/0x360
[ 2184.121925][   T72]      netlink_unicast+0x449/0x710
[ 2184.121925][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2184.121925][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2184.121925][   T72]      ___sys_sendmsg+0xee/0x170
[ 2184.121925][   T72]      __sys_sendmsg+0xcd/0x170
[ 2184.121925][   T72]      do_syscall_64+0xc6/0x1e0
[ 2184.121925][   T72] 
[ 2184.123923][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2184.123923][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2184.123923][   T72]      ipv6_find_idev+0x102/0x170
[ 2184.123923][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2184.123923][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2184.123923][   T72]      netlink_rcv_skb+0x130/0x360
[ 2184.123923][   T72]      netlink_unicast+0x449/0x710
[ 2184.123923][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2184.123923][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2184.123923][   T72]      ___sys_sendmsg+0xee/0x170
[ 2184.123923][   T72]      __sys_sendmsg+0xcd/0x170
[ 2184.123923][   T72]      do_syscall_64+0xc6/0x1e0
[ 2184.123923][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2184.123923][   T72] 
[ 2184.125766][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2184.125766][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2184.125766][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2184.125766][   T72]      ipv6_find_idev+0x102/0x170
[ 2184.125766][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2184.125766][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2184.125766][   T72]      netlink_rcv_skb+0x130/0x360
[ 2184.125766][   T72]      netlink_unicast+0x449/0x710
[ 2184.125766][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2184.125766][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2184.125766][   T72]      ___sys_sendmsg+0xee/0x170
[ 2184.125766][   T72]      __sys_sendmsg+0xcd/0x170
[ 2184.125766][   T72]      do_syscall_64+0xc6/0x1e0
[ 2184.125766][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2184.125766][   T72] 
[ 2194.367869][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2194.368342][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2194.368342][   T72]      netdev_get_by_index+0x5e/0x80
[ 2194.368342][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2194.368342][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2194.368342][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2194.368342][   T72]      ipv6_add_addr+0x411/0x2000
[ 2194.368342][   T72]      inet6_addr_add+0x30e/0xa40
[ 2194.368342][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2194.368342][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2194.368342][   T72]      netlink_rcv_skb+0x130/0x360
[ 2194.368342][   T72]      netlink_unicast+0x449/0x710
[ 2194.368342][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2194.368342][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2194.368342][   T72]      ___sys_sendmsg+0xee/0x170
[ 2194.368342][   T72]      __sys_sendmsg+0xcd/0x170
[ 2194.368342][   T72]      do_syscall_64+0xc6/0x1e0
[ 2194.368342][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2194.368342][   T72] 
[ 2194.370396][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2194.370396][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2194.370396][   T72]      ipv6_find_idev+0x102/0x170
[ 2194.370396][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2194.370396][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2194.370396][   T72]      netlink_rcv_skb+0x130/0x360
[ 2194.370396][   T72]      netlink_unicast+0x449/0x710
[ 2194.370396][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2194.370396][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2194.370396][   T72]      ___sys_sendmsg+0xee/0x170
[ 2194.370396][   T72]      __sys_sendmsg+0xcd/0x170
[ 2194.370396][   T72]      do_syscall_64+0xc6/0x1e0
[ 2194.370396][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2194.370396][   T72] 
[ 2194.371983][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2194.371983][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2194.371983][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2194.371983][   T72]      ipv6_find_idev+0x102/0x170
[ 2194.371983][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2194.371983][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2194.371983][   T72]      netlink_rcv_skb+0x130/0x360
[ 2194.371983][   T72]      netlink_unicast+0x449/0x710
[ 2194.371983][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2194.371983][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2194.371983][   T72]      ___sys_sendmsg+0xee/0x170
[ 2194.371983][   T72]      __sys_sendmsg+0xcd/0x170
[ 2194.371983][   T72]      do_syscall_64+0xc6/0x1e0
[ 2194.371983][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2194.371983][   T72] 
[ 2194.373700][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2194.373966][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2194.373966][   T72]      netdev_get_by_index+0x5e/0x80
[ 2194.373966][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2194.373966][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2194.373966][   T72]      ip6_route_add+0x1c/0x140
[ 2194.373966][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2194.373966][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2194.373966][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2194.373966][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2194.373966][   T72]      netlink_rcv_skb+0x130/0x360
[ 2194.373966][   T72]      netlink_unicast+0x449/0x710
[ 2194.373966][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2194.373966][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2194.373966][   T72]      ___sys_sendmsg+0xee/0x170
[ 2194.373966][   T72]      __sys_sendmsg+0xcd/0x170
[ 2194.373966][   T72]      do_syscall_64+0xc6/0x1e0
[ 2194.373966][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2194.373966][   T72] 
[ 2194.376000][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2194.376000][   T72]      netdev_get_by_index+0x5e/0x80
[ 2194.376000][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2194.376000][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2194.376000][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2194.376000][   T72]      ipv6_add_addr+0x411/0x2000
[ 2194.376000][   T72]      inet6_addr_add+0x30e/0xa40
[ 2194.376000][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2194.376000][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2194.376000][   T72]      netlink_rcv_skb+0x130/0x360
[ 2194.376000][   T72]      netlink_unicast+0x449/0x710
[ 2194.376000][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2194.376000][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2194.376000][   T72]      ___sys_sendmsg+0xee/0x170
[ 2194.376000][   T72]      __sys_sendmsg+0xcd/0x170
[ 2194.376000][   T72]      do_syscall_64+0xc6/0x1e0
[ 2194.376000][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2194.376000][   T72] 
[ 2194.378031][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2194.378031][   T72]      netdev_get_by_index+0x5e/0x80
[ 2194.378031][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2194.378031][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2194.378031][   T72]      ip6_route_add+0x1c/0x140
[ 2194.378031][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2194.378031][   T72]      addrconf_add_dev+0xe2/0x170
[ 2194.378031][   T72]      inet6_addr_add+0x12f/0xa40
[ 2194.378031][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2194.378031][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2194.378031][   T72]      netlink_rcv_skb+0x130/0x360
[ 2194.378031][   T72]      netlink_unicast+0x449/0x710
[ 2194.378031][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2194.378031][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2194.378031][   T72]      ___sys_sendmsg+0xee/0x170
[ 2194.378031][   T72]      __sys_sendmsg+0xcd/0x170
[ 2194.378031][   T72]      do_syscall_64+0xc6/0x1e0
[ 2194.378031][   T72] 
[ 2194.380023][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2194.380023][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2194.380023][   T72]      ipv6_find_idev+0x102/0x170
[ 2194.380023][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2194.380023][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2194.380023][   T72]      netlink_rcv_skb+0x130/0x360
[ 2194.380023][   T72]      netlink_unicast+0x449/0x710
[ 2194.380023][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2194.380023][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2194.380023][   T72]      ___sys_sendmsg+0xee/0x170
[ 2194.380023][   T72]      __sys_sendmsg+0xcd/0x170
[ 2194.380023][   T72]      do_syscall_64+0xc6/0x1e0
[ 2194.380023][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2194.380023][   T72] 
[ 2194.381589][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2194.381589][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2194.381589][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2194.381589][   T72]      ipv6_find_idev+0x102/0x170
[ 2194.381589][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2194.381589][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2194.381589][   T72]      netlink_rcv_skb+0x130/0x360
[ 2194.381589][   T72]      netlink_unicast+0x449/0x710
[ 2194.381589][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2194.381589][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2194.381589][   T72]      ___sys_sendmsg+0xee/0x170
[ 2194.381589][   T72]      __sys_sendmsg+0xcd/0x170
[ 2194.381589][   T72]      do_syscall_64+0xc6/0x1e0
[ 2194.381589][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2194.381589][   T72] 
[ 2204.623952][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2204.624400][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2204.624400][   T72]      netdev_get_by_index+0x5e/0x80
[ 2204.624400][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2204.624400][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2204.624400][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2204.624400][   T72]      ipv6_add_addr+0x411/0x2000
[ 2204.624400][   T72]      inet6_addr_add+0x30e/0xa40
[ 2204.624400][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2204.624400][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2204.624400][   T72]      netlink_rcv_skb+0x130/0x360
[ 2204.624400][   T72]      netlink_unicast+0x449/0x710
[ 2204.624400][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2204.624400][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2204.624400][   T72]      ___sys_sendmsg+0xee/0x170
[ 2204.624400][   T72]      __sys_sendmsg+0xcd/0x170
[ 2204.624400][   T72]      do_syscall_64+0xc6/0x1e0
[ 2204.624400][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2204.624400][   T72] 
[ 2204.626461][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2204.626461][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2204.626461][   T72]      ipv6_find_idev+0x102/0x170
[ 2204.626461][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2204.626461][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2204.626461][   T72]      netlink_rcv_skb+0x130/0x360
[ 2204.626461][   T72]      netlink_unicast+0x449/0x710
[ 2204.626461][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2204.626461][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2204.626461][   T72]      ___sys_sendmsg+0xee/0x170
[ 2204.626461][   T72]      __sys_sendmsg+0xcd/0x170
[ 2204.626461][   T72]      do_syscall_64+0xc6/0x1e0
[ 2204.626461][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2204.626461][   T72] 
[ 2204.628031][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2204.628031][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2204.628031][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2204.628031][   T72]      ipv6_find_idev+0x102/0x170
[ 2204.628031][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2204.628031][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2204.628031][   T72]      netlink_rcv_skb+0x130/0x360
[ 2204.628031][   T72]      netlink_unicast+0x449/0x710
[ 2204.628031][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2204.628031][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2204.628031][   T72]      ___sys_sendmsg+0xee/0x170
[ 2204.628031][   T72]      __sys_sendmsg+0xcd/0x170
[ 2204.628031][   T72]      do_syscall_64+0xc6/0x1e0
[ 2204.628031][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2204.628031][   T72] 
[ 2204.629757][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2204.630017][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2204.630017][   T72]      netdev_get_by_index+0x5e/0x80
[ 2204.630017][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2204.630017][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2204.630017][   T72]      ip6_route_add+0x1c/0x140
[ 2204.630017][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2204.630017][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2204.630017][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2204.630017][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2204.630017][   T72]      netlink_rcv_skb+0x130/0x360
[ 2204.630017][   T72]      netlink_unicast+0x449/0x710
[ 2204.630017][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2204.630017][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2204.630017][   T72]      ___sys_sendmsg+0xee/0x170
[ 2204.630017][   T72]      __sys_sendmsg+0xcd/0x170
[ 2204.630017][   T72]      do_syscall_64+0xc6/0x1e0
[ 2204.630017][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2204.630017][   T72] 
[ 2204.632073][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2204.632073][   T72]      netdev_get_by_index+0x5e/0x80
[ 2204.632073][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2204.632073][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2204.632073][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2204.632073][   T72]      ipv6_add_addr+0x411/0x2000
[ 2204.632073][   T72]      inet6_addr_add+0x30e/0xa40
[ 2204.632073][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2204.632073][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2204.632073][   T72]      netlink_rcv_skb+0x130/0x360
[ 2204.632073][   T72]      netlink_unicast+0x449/0x710
[ 2204.632073][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2204.632073][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2204.632073][   T72]      ___sys_sendmsg+0xee/0x170
[ 2204.632073][   T72]      __sys_sendmsg+0xcd/0x170
[ 2204.632073][   T72]      do_syscall_64+0xc6/0x1e0
[ 2204.632073][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2204.632073][   T72] 
[ 2204.634204][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2204.634204][   T72]      netdev_get_by_index+0x5e/0x80
[ 2204.634204][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2204.634204][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2204.634204][   T72]      ip6_route_add+0x1c/0x140
[ 2204.634204][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2204.634204][   T72]      addrconf_add_dev+0xe2/0x170
[ 2204.634204][   T72]      inet6_addr_add+0x12f/0xa40
[ 2204.634204][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2204.634204][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2204.634204][   T72]      netlink_rcv_skb+0x130/0x360
[ 2204.634204][   T72]      netlink_unicast+0x449/0x710
[ 2204.634204][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2204.634204][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2204.634204][   T72]      ___sys_sendmsg+0xee/0x170
[ 2204.634204][   T72]      __sys_sendmsg+0xcd/0x170
[ 2204.634204][   T72]      do_syscall_64+0xc6/0x1e0
[ 2204.634204][   T72] 
[ 2204.636221][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2204.636221][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2204.636221][   T72]      ipv6_find_idev+0x102/0x170
[ 2204.636221][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2204.636221][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2204.636221][   T72]      netlink_rcv_skb+0x130/0x360
[ 2204.636221][   T72]      netlink_unicast+0x449/0x710
[ 2204.636221][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2204.636221][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2204.636221][   T72]      ___sys_sendmsg+0xee/0x170
[ 2204.636221][   T72]      __sys_sendmsg+0xcd/0x170
[ 2204.636221][   T72]      do_syscall_64+0xc6/0x1e0
[ 2204.636221][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2204.636221][   T72] 
[ 2204.637785][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2204.637785][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2204.637785][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2204.637785][   T72]      ipv6_find_idev+0x102/0x170
[ 2204.637785][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2204.637785][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2204.637785][   T72]      netlink_rcv_skb+0x130/0x360
[ 2204.637785][   T72]      netlink_unicast+0x449/0x710
[ 2204.637785][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2204.637785][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2204.637785][   T72]      ___sys_sendmsg+0xee/0x170
[ 2204.637785][   T72]      __sys_sendmsg+0xcd/0x170
[ 2204.637785][   T72]      do_syscall_64+0xc6/0x1e0
[ 2204.637785][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2204.637785][   T72] 
[ 2214.879867][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2214.880321][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2214.880321][   T72]      netdev_get_by_index+0x5e/0x80
[ 2214.880321][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2214.880321][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2214.880321][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2214.880321][   T72]      ipv6_add_addr+0x411/0x2000
[ 2214.880321][   T72]      inet6_addr_add+0x30e/0xa40
[ 2214.880321][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2214.880321][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2214.880321][   T72]      netlink_rcv_skb+0x130/0x360
[ 2214.880321][   T72]      netlink_unicast+0x449/0x710
[ 2214.880321][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2214.880321][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2214.880321][   T72]      ___sys_sendmsg+0xee/0x170
[ 2214.880321][   T72]      __sys_sendmsg+0xcd/0x170
[ 2214.880321][   T72]      do_syscall_64+0xc6/0x1e0
[ 2214.880321][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2214.880321][   T72] 
[ 2214.882419][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2214.882419][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2214.882419][   T72]      ipv6_find_idev+0x102/0x170
[ 2214.882419][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2214.882419][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2214.882419][   T72]      netlink_rcv_skb+0x130/0x360
[ 2214.882419][   T72]      netlink_unicast+0x449/0x710
[ 2214.882419][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2214.882419][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2214.882419][   T72]      ___sys_sendmsg+0xee/0x170
[ 2214.882419][   T72]      __sys_sendmsg+0xcd/0x170
[ 2214.882419][   T72]      do_syscall_64+0xc6/0x1e0
[ 2214.882419][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2214.882419][   T72] 
[ 2214.884016][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2214.884016][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2214.884016][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2214.884016][   T72]      ipv6_find_idev+0x102/0x170
[ 2214.884016][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2214.884016][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2214.884016][   T72]      netlink_rcv_skb+0x130/0x360
[ 2214.884016][   T72]      netlink_unicast+0x449/0x710
[ 2214.884016][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2214.884016][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2214.884016][   T72]      ___sys_sendmsg+0xee/0x170
[ 2214.884016][   T72]      __sys_sendmsg+0xcd/0x170
[ 2214.884016][   T72]      do_syscall_64+0xc6/0x1e0
[ 2214.884016][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2214.884016][   T72] 
[ 2214.885777][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2214.886026][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2214.886026][   T72]      netdev_get_by_index+0x5e/0x80
[ 2214.886026][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2214.886026][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2214.886026][   T72]      ip6_route_add+0x1c/0x140
[ 2214.886026][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2214.886026][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2214.886026][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2214.886026][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2214.886026][   T72]      netlink_rcv_skb+0x130/0x360
[ 2214.886026][   T72]      netlink_unicast+0x449/0x710
[ 2214.886026][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2214.886026][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2214.886026][   T72]      ___sys_sendmsg+0xee/0x170
[ 2214.886026][   T72]      __sys_sendmsg+0xcd/0x170
[ 2214.886026][   T72]      do_syscall_64+0xc6/0x1e0
[ 2214.886026][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2214.886026][   T72] 
[ 2214.888079][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2214.888079][   T72]      netdev_get_by_index+0x5e/0x80
[ 2214.888079][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2214.888079][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2214.888079][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2214.888079][   T72]      ipv6_add_addr+0x411/0x2000
[ 2214.888079][   T72]      inet6_addr_add+0x30e/0xa40
[ 2214.888079][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2214.888079][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2214.888079][   T72]      netlink_rcv_skb+0x130/0x360
[ 2214.888079][   T72]      netlink_unicast+0x449/0x710
[ 2214.888079][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2214.888079][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2214.888079][   T72]      ___sys_sendmsg+0xee/0x170
[ 2214.888079][   T72]      __sys_sendmsg+0xcd/0x170
[ 2214.888079][   T72]      do_syscall_64+0xc6/0x1e0
[ 2214.888079][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2214.888079][   T72] 
[ 2214.890133][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2214.890133][   T72]      netdev_get_by_index+0x5e/0x80
[ 2214.890133][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2214.890133][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2214.890133][   T72]      ip6_route_add+0x1c/0x140
[ 2214.890133][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2214.890133][   T72]      addrconf_add_dev+0xe2/0x170
[ 2214.890133][   T72]      inet6_addr_add+0x12f/0xa40
[ 2214.890133][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2214.890133][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2214.890133][   T72]      netlink_rcv_skb+0x130/0x360
[ 2214.890133][   T72]      netlink_unicast+0x449/0x710
[ 2214.890133][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2214.890133][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2214.890133][   T72]      ___sys_sendmsg+0xee/0x170
[ 2214.890133][   T72]      __sys_sendmsg+0xcd/0x170
[ 2214.890133][   T72]      do_syscall_64+0xc6/0x1e0
[ 2214.890133][   T72] 
[ 2214.892147][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2214.892147][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2214.892147][   T72]      ipv6_find_idev+0x102/0x170
[ 2214.892147][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2214.892147][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2214.892147][   T72]      netlink_rcv_skb+0x130/0x360
[ 2214.892147][   T72]      netlink_unicast+0x449/0x710
[ 2214.892147][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2214.892147][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2214.892147][   T72]      ___sys_sendmsg+0xee/0x170
[ 2214.892147][   T72]      __sys_sendmsg+0xcd/0x170
[ 2214.892147][   T72]      do_syscall_64+0xc6/0x1e0
[ 2214.892147][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2214.892147][   T72] 
[ 2214.893721][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2214.893721][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2214.893721][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2214.893721][   T72]      ipv6_find_idev+0x102/0x170
[ 2214.893721][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2214.893721][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2214.893721][   T72]      netlink_rcv_skb+0x130/0x360
[ 2214.893721][   T72]      netlink_unicast+0x449/0x710
[ 2214.893721][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2214.893721][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2214.893721][   T72]      ___sys_sendmsg+0xee/0x170
[ 2214.893721][   T72]      __sys_sendmsg+0xcd/0x170
[ 2214.893721][   T72]      do_syscall_64+0xc6/0x1e0
[ 2214.893721][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2214.893721][   T72] 
[ 2225.135881][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2225.136346][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2225.136346][   T72]      netdev_get_by_index+0x5e/0x80
[ 2225.136346][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2225.136346][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2225.136346][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2225.136346][   T72]      ipv6_add_addr+0x411/0x2000
[ 2225.136346][   T72]      inet6_addr_add+0x30e/0xa40
[ 2225.136346][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2225.136346][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.136346][   T72]      netlink_rcv_skb+0x130/0x360
[ 2225.136346][   T72]      netlink_unicast+0x449/0x710
[ 2225.136346][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2225.136346][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.136346][   T72]      ___sys_sendmsg+0xee/0x170
[ 2225.136346][   T72]      __sys_sendmsg+0xcd/0x170
[ 2225.136346][   T72]      do_syscall_64+0xc6/0x1e0
[ 2225.136346][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.136346][   T72] 
[ 2225.138425][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2225.138425][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2225.138425][   T72]      ipv6_find_idev+0x102/0x170
[ 2225.138425][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2225.138425][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.138425][   T72]      netlink_rcv_skb+0x130/0x360
[ 2225.138425][   T72]      netlink_unicast+0x449/0x710
[ 2225.138425][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2225.138425][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.138425][   T72]      ___sys_sendmsg+0xee/0x170
[ 2225.138425][   T72]      __sys_sendmsg+0xcd/0x170
[ 2225.138425][   T72]      do_syscall_64+0xc6/0x1e0
[ 2225.138425][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.138425][   T72] 
[ 2225.140015][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2225.140015][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2225.140015][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2225.140015][   T72]      ipv6_find_idev+0x102/0x170
[ 2225.140015][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2225.140015][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.140015][   T72]      netlink_rcv_skb+0x130/0x360
[ 2225.140015][   T72]      netlink_unicast+0x449/0x710
[ 2225.140015][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2225.140015][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.140015][   T72]      ___sys_sendmsg+0xee/0x170
[ 2225.140015][   T72]      __sys_sendmsg+0xcd/0x170
[ 2225.140015][   T72]      do_syscall_64+0xc6/0x1e0
[ 2225.140015][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.140015][   T72] 
[ 2225.141789][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2225.142053][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2225.142053][   T72]      netdev_get_by_index+0x5e/0x80
[ 2225.142053][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2225.142053][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2225.142053][   T72]      ip6_route_add+0x1c/0x140
[ 2225.142053][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2225.142053][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2225.142053][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2225.142053][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.142053][   T72]      netlink_rcv_skb+0x130/0x360
[ 2225.142053][   T72]      netlink_unicast+0x449/0x710
[ 2225.142053][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2225.142053][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.142053][   T72]      ___sys_sendmsg+0xee/0x170
[ 2225.142053][   T72]      __sys_sendmsg+0xcd/0x170
[ 2225.142053][   T72]      do_syscall_64+0xc6/0x1e0
[ 2225.142053][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.142053][   T72] 
[ 2225.144120][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2225.144120][   T72]      netdev_get_by_index+0x5e/0x80
[ 2225.144120][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2225.144120][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2225.144120][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2225.144120][   T72]      ipv6_add_addr+0x411/0x2000
[ 2225.144120][   T72]      inet6_addr_add+0x30e/0xa40
[ 2225.144120][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2225.144120][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.144120][   T72]      netlink_rcv_skb+0x130/0x360
[ 2225.144120][   T72]      netlink_unicast+0x449/0x710
[ 2225.144120][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2225.144120][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.144120][   T72]      ___sys_sendmsg+0xee/0x170
[ 2225.144120][   T72]      __sys_sendmsg+0xcd/0x170
[ 2225.144120][   T72]      do_syscall_64+0xc6/0x1e0
[ 2225.144120][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.144120][   T72] 
[ 2225.146183][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2225.146183][   T72]      netdev_get_by_index+0x5e/0x80
[ 2225.146183][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2225.146183][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2225.146183][   T72]      ip6_route_add+0x1c/0x140
[ 2225.146183][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2225.146183][   T72]      addrconf_add_dev+0xe2/0x170
[ 2225.146183][   T72]      inet6_addr_add+0x12f/0xa40
[ 2225.146183][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2225.146183][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.146183][   T72]      netlink_rcv_skb+0x130/0x360
[ 2225.146183][   T72]      netlink_unicast+0x449/0x710
[ 2225.146183][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2225.146183][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.146183][   T72]      ___sys_sendmsg+0xee/0x170
[ 2225.146183][   T72]      __sys_sendmsg+0xcd/0x170
[ 2225.146183][   T72]      do_syscall_64+0xc6/0x1e0
[ 2225.146183][   T72] 
[ 2225.148214][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2225.148214][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2225.148214][   T72]      ipv6_find_idev+0x102/0x170
[ 2225.148214][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2225.148214][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.148214][   T72]      netlink_rcv_skb+0x130/0x360
[ 2225.148214][   T72]      netlink_unicast+0x449/0x710
[ 2225.148214][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2225.148214][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.148214][   T72]      ___sys_sendmsg+0xee/0x170
[ 2225.148214][   T72]      __sys_sendmsg+0xcd/0x170
[ 2225.148214][   T72]      do_syscall_64+0xc6/0x1e0
[ 2225.148214][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.148214][   T72] 
[ 2225.149820][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2225.149820][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2225.149820][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2225.149820][   T72]      ipv6_find_idev+0x102/0x170
[ 2225.149820][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2225.149820][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2225.149820][   T72]      netlink_rcv_skb+0x130/0x360
[ 2225.149820][   T72]      netlink_unicast+0x449/0x710
[ 2225.149820][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2225.149820][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2225.149820][   T72]      ___sys_sendmsg+0xee/0x170
[ 2225.149820][   T72]      __sys_sendmsg+0xcd/0x170
[ 2225.149820][   T72]      do_syscall_64+0xc6/0x1e0
[ 2225.149820][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2225.149820][   T72] 
[ 2235.391811][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2235.392281][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2235.392281][   T72]      netdev_get_by_index+0x5e/0x80
[ 2235.392281][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2235.392281][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2235.392281][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2235.392281][   T72]      ipv6_add_addr+0x411/0x2000
[ 2235.392281][   T72]      inet6_addr_add+0x30e/0xa40
[ 2235.392281][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2235.392281][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2235.392281][   T72]      netlink_rcv_skb+0x130/0x360
[ 2235.392281][   T72]      netlink_unicast+0x449/0x710
[ 2235.392281][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2235.392281][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2235.392281][   T72]      ___sys_sendmsg+0xee/0x170
[ 2235.392281][   T72]      __sys_sendmsg+0xcd/0x170
[ 2235.392281][   T72]      do_syscall_64+0xc6/0x1e0
[ 2235.392281][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2235.392281][   T72] 
[ 2235.394369][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2235.394369][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2235.394369][   T72]      ipv6_find_idev+0x102/0x170
[ 2235.394369][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2235.394369][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2235.394369][   T72]      netlink_rcv_skb+0x130/0x360
[ 2235.394369][   T72]      netlink_unicast+0x449/0x710
[ 2235.394369][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2235.394369][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2235.394369][   T72]      ___sys_sendmsg+0xee/0x170
[ 2235.394369][   T72]      __sys_sendmsg+0xcd/0x170
[ 2235.394369][   T72]      do_syscall_64+0xc6/0x1e0
[ 2235.394369][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2235.394369][   T72] 
[ 2235.395955][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2235.395955][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2235.395955][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2235.395955][   T72]      ipv6_find_idev+0x102/0x170
[ 2235.395955][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2235.395955][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2235.395955][   T72]      netlink_rcv_skb+0x130/0x360
[ 2235.395955][   T72]      netlink_unicast+0x449/0x710
[ 2235.395955][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2235.395955][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2235.395955][   T72]      ___sys_sendmsg+0xee/0x170
[ 2235.395955][   T72]      __sys_sendmsg+0xcd/0x170
[ 2235.395955][   T72]      do_syscall_64+0xc6/0x1e0
[ 2235.395955][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2235.395955][   T72] 
[ 2235.397695][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2235.397956][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2235.397956][   T72]      netdev_get_by_index+0x5e/0x80
[ 2235.397956][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2235.397956][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2235.397956][   T72]      ip6_route_add+0x1c/0x140
[ 2235.397956][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2235.397956][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2235.397956][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2235.397956][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2235.397956][   T72]      netlink_rcv_skb+0x130/0x360
[ 2235.397956][   T72]      netlink_unicast+0x449/0x710
[ 2235.397956][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2235.397956][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2235.397956][   T72]      ___sys_sendmsg+0xee/0x170
[ 2235.397956][   T72]      __sys_sendmsg+0xcd/0x170
[ 2235.397956][   T72]      do_syscall_64+0xc6/0x1e0
[ 2235.397956][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2235.397956][   T72] 
[ 2235.400003][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2235.400003][   T72]      netdev_get_by_index+0x5e/0x80
[ 2235.400003][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2235.400003][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2235.400003][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2235.400003][   T72]      ipv6_add_addr+0x411/0x2000
[ 2235.400003][   T72]      inet6_addr_add+0x30e/0xa40
[ 2235.400003][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2235.400003][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2235.400003][   T72]      netlink_rcv_skb+0x130/0x360
[ 2235.400003][   T72]      netlink_unicast+0x449/0x710
[ 2235.400003][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2235.400003][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2235.400003][   T72]      ___sys_sendmsg+0xee/0x170
[ 2235.400003][   T72]      __sys_sendmsg+0xcd/0x170
[ 2235.400003][   T72]      do_syscall_64+0xc6/0x1e0
[ 2235.400003][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2235.400003][   T72] 
[ 2235.402070][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2235.402070][   T72]      netdev_get_by_index+0x5e/0x80
[ 2235.402070][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2235.402070][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2235.402070][   T72]      ip6_route_add+0x1c/0x140
[ 2235.402070][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2235.402070][   T72]      addrconf_add_dev+0xe2/0x170
[ 2235.402070][   T72]      inet6_addr_add+0x12f/0xa40
[ 2235.402070][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2235.402070][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2235.402070][   T72]      netlink_rcv_skb+0x130/0x360
[ 2235.402070][   T72]      netlink_unicast+0x449/0x710
[ 2235.402070][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2235.402070][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2235.402070][   T72]      ___sys_sendmsg+0xee/0x170
[ 2235.402070][   T72]      __sys_sendmsg+0xcd/0x170
[ 2235.402070][   T72]      do_syscall_64+0xc6/0x1e0
[ 2235.402070][   T72] 
[ 2235.404092][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2235.404092][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2235.404092][   T72]      ipv6_find_idev+0x102/0x170
[ 2235.404092][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2235.404092][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2235.404092][   T72]      netlink_rcv_skb+0x130/0x360
[ 2235.404092][   T72]      netlink_unicast+0x449/0x710
[ 2235.404092][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2235.404092][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2235.404092][   T72]      ___sys_sendmsg+0xee/0x170
[ 2235.404092][   T72]      __sys_sendmsg+0xcd/0x170
[ 2235.404092][   T72]      do_syscall_64+0xc6/0x1e0
[ 2235.404092][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2235.404092][   T72] 
[ 2235.405672][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2235.405672][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2235.405672][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2235.405672][   T72]      ipv6_find_idev+0x102/0x170
[ 2235.405672][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2235.405672][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2235.405672][   T72]      netlink_rcv_skb+0x130/0x360
[ 2235.405672][   T72]      netlink_unicast+0x449/0x710
[ 2235.405672][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2235.405672][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2235.405672][   T72]      ___sys_sendmsg+0xee/0x170
[ 2235.405672][   T72]      __sys_sendmsg+0xcd/0x170
[ 2235.405672][   T72]      do_syscall_64+0xc6/0x1e0
[ 2235.405672][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2235.405672][   T72] 
[ 2245.647936][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2245.648397][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2245.648397][   T72]      netdev_get_by_index+0x5e/0x80
[ 2245.648397][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2245.648397][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2245.648397][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2245.648397][   T72]      ipv6_add_addr+0x411/0x2000
[ 2245.648397][   T72]      inet6_addr_add+0x30e/0xa40
[ 2245.648397][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2245.648397][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2245.648397][   T72]      netlink_rcv_skb+0x130/0x360
[ 2245.648397][   T72]      netlink_unicast+0x449/0x710
[ 2245.648397][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2245.648397][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2245.648397][   T72]      ___sys_sendmsg+0xee/0x170
[ 2245.648397][   T72]      __sys_sendmsg+0xcd/0x170
[ 2245.648397][   T72]      do_syscall_64+0xc6/0x1e0
[ 2245.648397][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2245.648397][   T72] 
[ 2245.650455][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2245.650455][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2245.650455][   T72]      ipv6_find_idev+0x102/0x170
[ 2245.650455][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2245.650455][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2245.650455][   T72]      netlink_rcv_skb+0x130/0x360
[ 2245.650455][   T72]      netlink_unicast+0x449/0x710
[ 2245.650455][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2245.650455][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2245.650455][   T72]      ___sys_sendmsg+0xee/0x170
[ 2245.650455][   T72]      __sys_sendmsg+0xcd/0x170
[ 2245.650455][   T72]      do_syscall_64+0xc6/0x1e0
[ 2245.650455][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2245.650455][   T72] 
[ 2245.652034][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2245.652034][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2245.652034][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2245.652034][   T72]      ipv6_find_idev+0x102/0x170
[ 2245.652034][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2245.652034][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2245.652034][   T72]      netlink_rcv_skb+0x130/0x360
[ 2245.652034][   T72]      netlink_unicast+0x449/0x710
[ 2245.652034][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2245.652034][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2245.652034][   T72]      ___sys_sendmsg+0xee/0x170
[ 2245.652034][   T72]      __sys_sendmsg+0xcd/0x170
[ 2245.652034][   T72]      do_syscall_64+0xc6/0x1e0
[ 2245.652034][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2245.652034][   T72] 
[ 2245.653751][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2245.654020][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2245.654020][   T72]      netdev_get_by_index+0x5e/0x80
[ 2245.654020][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2245.654020][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2245.654020][   T72]      ip6_route_add+0x1c/0x140
[ 2245.654020][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2245.654020][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2245.654020][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2245.654020][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2245.654020][   T72]      netlink_rcv_skb+0x130/0x360
[ 2245.654020][   T72]      netlink_unicast+0x449/0x710
[ 2245.654020][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2245.654020][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2245.654020][   T72]      ___sys_sendmsg+0xee/0x170
[ 2245.654020][   T72]      __sys_sendmsg+0xcd/0x170
[ 2245.654020][   T72]      do_syscall_64+0xc6/0x1e0
[ 2245.654020][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2245.654020][   T72] 
[ 2245.656056][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2245.656056][   T72]      netdev_get_by_index+0x5e/0x80
[ 2245.656056][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2245.656056][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2245.656056][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2245.656056][   T72]      ipv6_add_addr+0x411/0x2000
[ 2245.656056][   T72]      inet6_addr_add+0x30e/0xa40
[ 2245.656056][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2245.656056][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2245.656056][   T72]      netlink_rcv_skb+0x130/0x360
[ 2245.656056][   T72]      netlink_unicast+0x449/0x710
[ 2245.656056][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2245.656056][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2245.656056][   T72]      ___sys_sendmsg+0xee/0x170
[ 2245.656056][   T72]      __sys_sendmsg+0xcd/0x170
[ 2245.656056][   T72]      do_syscall_64+0xc6/0x1e0
[ 2245.656056][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2245.656056][   T72] 
[ 2245.658078][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2245.658078][   T72]      netdev_get_by_index+0x5e/0x80
[ 2245.658078][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2245.658078][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2245.658078][   T72]      ip6_route_add+0x1c/0x140
[ 2245.658078][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2245.658078][   T72]      addrconf_add_dev+0xe2/0x170
[ 2245.658078][   T72]      inet6_addr_add+0x12f/0xa40
[ 2245.658078][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2245.658078][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2245.658078][   T72]      netlink_rcv_skb+0x130/0x360
[ 2245.658078][   T72]      netlink_unicast+0x449/0x710
[ 2245.658078][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2245.658078][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2245.658078][   T72]      ___sys_sendmsg+0xee/0x170
[ 2245.658078][   T72]      __sys_sendmsg+0xcd/0x170
[ 2245.658078][   T72]      do_syscall_64+0xc6/0x1e0
[ 2245.658078][   T72] 
[ 2245.660063][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2245.660063][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2245.660063][   T72]      ipv6_find_idev+0x102/0x170
[ 2245.660063][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2245.660063][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2245.660063][   T72]      netlink_rcv_skb+0x130/0x360
[ 2245.660063][   T72]      netlink_unicast+0x449/0x710
[ 2245.660063][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2245.660063][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2245.660063][   T72]      ___sys_sendmsg+0xee/0x170
[ 2245.660063][   T72]      __sys_sendmsg+0xcd/0x170
[ 2245.660063][   T72]      do_syscall_64+0xc6/0x1e0
[ 2245.660063][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2245.660063][   T72] 
[ 2245.661629][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2245.661629][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2245.661629][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2245.661629][   T72]      ipv6_find_idev+0x102/0x170
[ 2245.661629][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2245.661629][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2245.661629][   T72]      netlink_rcv_skb+0x130/0x360
[ 2245.661629][   T72]      netlink_unicast+0x449/0x710
[ 2245.661629][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2245.661629][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2245.661629][   T72]      ___sys_sendmsg+0xee/0x170
[ 2245.661629][   T72]      __sys_sendmsg+0xcd/0x170
[ 2245.661629][   T72]      do_syscall_64+0xc6/0x1e0
[ 2245.661629][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2245.661629][   T72] 
[ 2255.903895][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2255.904342][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2255.904342][   T72]      netdev_get_by_index+0x5e/0x80
[ 2255.904342][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2255.904342][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2255.904342][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2255.904342][   T72]      ipv6_add_addr+0x411/0x2000
[ 2255.904342][   T72]      inet6_addr_add+0x30e/0xa40
[ 2255.904342][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2255.904342][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2255.904342][   T72]      netlink_rcv_skb+0x130/0x360
[ 2255.904342][   T72]      netlink_unicast+0x449/0x710
[ 2255.904342][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2255.904342][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2255.904342][   T72]      ___sys_sendmsg+0xee/0x170
[ 2255.904342][   T72]      __sys_sendmsg+0xcd/0x170
[ 2255.904342][   T72]      do_syscall_64+0xc6/0x1e0
[ 2255.904342][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2255.904342][   T72] 
[ 2255.906414][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2255.906414][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2255.906414][   T72]      ipv6_find_idev+0x102/0x170
[ 2255.906414][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2255.906414][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2255.906414][   T72]      netlink_rcv_skb+0x130/0x360
[ 2255.906414][   T72]      netlink_unicast+0x449/0x710
[ 2255.906414][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2255.906414][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2255.906414][   T72]      ___sys_sendmsg+0xee/0x170
[ 2255.906414][   T72]      __sys_sendmsg+0xcd/0x170
[ 2255.906414][   T72]      do_syscall_64+0xc6/0x1e0
[ 2255.906414][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2255.906414][   T72] 
[ 2255.907988][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2255.907988][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2255.907988][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2255.907988][   T72]      ipv6_find_idev+0x102/0x170
[ 2255.907988][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2255.907988][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2255.907988][   T72]      netlink_rcv_skb+0x130/0x360
[ 2255.907988][   T72]      netlink_unicast+0x449/0x710
[ 2255.907988][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2255.907988][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2255.907988][   T72]      ___sys_sendmsg+0xee/0x170
[ 2255.907988][   T72]      __sys_sendmsg+0xcd/0x170
[ 2255.907988][   T72]      do_syscall_64+0xc6/0x1e0
[ 2255.907988][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2255.907988][   T72] 
[ 2255.909702][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2255.909968][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2255.909968][   T72]      netdev_get_by_index+0x5e/0x80
[ 2255.909968][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2255.909968][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2255.909968][   T72]      ip6_route_add+0x1c/0x140
[ 2255.909968][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2255.909968][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2255.909968][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2255.909968][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2255.909968][   T72]      netlink_rcv_skb+0x130/0x360
[ 2255.909968][   T72]      netlink_unicast+0x449/0x710
[ 2255.909968][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2255.909968][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2255.909968][   T72]      ___sys_sendmsg+0xee/0x170
[ 2255.909968][   T72]      __sys_sendmsg+0xcd/0x170
[ 2255.909968][   T72]      do_syscall_64+0xc6/0x1e0
[ 2255.909968][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2255.909968][   T72] 
[ 2255.912014][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2255.912014][   T72]      netdev_get_by_index+0x5e/0x80
[ 2255.912014][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2255.912014][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2255.912014][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2255.912014][   T72]      ipv6_add_addr+0x411/0x2000
[ 2255.912014][   T72]      inet6_addr_add+0x30e/0xa40
[ 2255.912014][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2255.912014][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2255.912014][   T72]      netlink_rcv_skb+0x130/0x360
[ 2255.912014][   T72]      netlink_unicast+0x449/0x710
[ 2255.912014][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2255.912014][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2255.912014][   T72]      ___sys_sendmsg+0xee/0x170
[ 2255.912014][   T72]      __sys_sendmsg+0xcd/0x170
[ 2255.912014][   T72]      do_syscall_64+0xc6/0x1e0
[ 2255.912014][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2255.912014][   T72] 
[ 2255.914054][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2255.914054][   T72]      netdev_get_by_index+0x5e/0x80
[ 2255.914054][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2255.914054][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2255.914054][   T72]      ip6_route_add+0x1c/0x140
[ 2255.914054][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2255.914054][   T72]      addrconf_add_dev+0xe2/0x170
[ 2255.914054][   T72]      inet6_addr_add+0x12f/0xa40
[ 2255.914054][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2255.914054][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2255.914054][   T72]      netlink_rcv_skb+0x130/0x360
[ 2255.914054][   T72]      netlink_unicast+0x449/0x710
[ 2255.914054][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2255.914054][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2255.914054][   T72]      ___sys_sendmsg+0xee/0x170
[ 2255.914054][   T72]      __sys_sendmsg+0xcd/0x170
[ 2255.914054][   T72]      do_syscall_64+0xc6/0x1e0
[ 2255.914054][   T72] 
[ 2255.916050][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2255.916050][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2255.916050][   T72]      ipv6_find_idev+0x102/0x170
[ 2255.916050][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2255.916050][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2255.916050][   T72]      netlink_rcv_skb+0x130/0x360
[ 2255.916050][   T72]      netlink_unicast+0x449/0x710
[ 2255.916050][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2255.916050][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2255.916050][   T72]      ___sys_sendmsg+0xee/0x170
[ 2255.916050][   T72]      __sys_sendmsg+0xcd/0x170
[ 2255.916050][   T72]      do_syscall_64+0xc6/0x1e0
[ 2255.916050][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2255.916050][   T72] 
[ 2255.917665][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2255.917665][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2255.917665][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2255.917665][   T72]      ipv6_find_idev+0x102/0x170
[ 2255.917665][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2255.917665][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2255.917665][   T72]      netlink_rcv_skb+0x130/0x360
[ 2255.917665][   T72]      netlink_unicast+0x449/0x710
[ 2255.917665][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2255.917665][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2255.917665][   T72]      ___sys_sendmsg+0xee/0x170
[ 2255.917665][   T72]      __sys_sendmsg+0xcd/0x170
[ 2255.917665][   T72]      do_syscall_64+0xc6/0x1e0
[ 2255.917665][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2255.917665][   T72] 
[ 2266.159883][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2266.160325][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2266.160325][   T72]      netdev_get_by_index+0x5e/0x80
[ 2266.160325][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2266.160325][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2266.160325][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2266.160325][   T72]      ipv6_add_addr+0x411/0x2000
[ 2266.160325][   T72]      inet6_addr_add+0x30e/0xa40
[ 2266.160325][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2266.160325][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.160325][   T72]      netlink_rcv_skb+0x130/0x360
[ 2266.160325][   T72]      netlink_unicast+0x449/0x710
[ 2266.160325][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2266.160325][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.160325][   T72]      ___sys_sendmsg+0xee/0x170
[ 2266.160325][   T72]      __sys_sendmsg+0xcd/0x170
[ 2266.160325][   T72]      do_syscall_64+0xc6/0x1e0
[ 2266.160325][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.160325][   T72] 
[ 2266.162408][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2266.162408][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2266.162408][   T72]      ipv6_find_idev+0x102/0x170
[ 2266.162408][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2266.162408][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.162408][   T72]      netlink_rcv_skb+0x130/0x360
[ 2266.162408][   T72]      netlink_unicast+0x449/0x710
[ 2266.162408][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2266.162408][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.162408][   T72]      ___sys_sendmsg+0xee/0x170
[ 2266.162408][   T72]      __sys_sendmsg+0xcd/0x170
[ 2266.162408][   T72]      do_syscall_64+0xc6/0x1e0
[ 2266.162408][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.162408][   T72] 
[ 2266.163982][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2266.163982][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2266.163982][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2266.163982][   T72]      ipv6_find_idev+0x102/0x170
[ 2266.163982][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2266.163982][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.163982][   T72]      netlink_rcv_skb+0x130/0x360
[ 2266.163982][   T72]      netlink_unicast+0x449/0x710
[ 2266.163982][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2266.163982][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.163982][   T72]      ___sys_sendmsg+0xee/0x170
[ 2266.163982][   T72]      __sys_sendmsg+0xcd/0x170
[ 2266.163982][   T72]      do_syscall_64+0xc6/0x1e0
[ 2266.163982][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.163982][   T72] 
[ 2266.165714][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2266.165974][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2266.165974][   T72]      netdev_get_by_index+0x5e/0x80
[ 2266.165974][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2266.165974][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2266.165974][   T72]      ip6_route_add+0x1c/0x140
[ 2266.165974][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2266.165974][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2266.165974][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2266.165974][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.165974][   T72]      netlink_rcv_skb+0x130/0x360
[ 2266.165974][   T72]      netlink_unicast+0x449/0x710
[ 2266.165974][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2266.165974][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.165974][   T72]      ___sys_sendmsg+0xee/0x170
[ 2266.165974][   T72]      __sys_sendmsg+0xcd/0x170
[ 2266.165974][   T72]      do_syscall_64+0xc6/0x1e0
[ 2266.165974][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.165974][   T72] 
[ 2266.168011][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2266.168011][   T72]      netdev_get_by_index+0x5e/0x80
[ 2266.168011][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2266.168011][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2266.168011][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2266.168011][   T72]      ipv6_add_addr+0x411/0x2000
[ 2266.168011][   T72]      inet6_addr_add+0x30e/0xa40
[ 2266.168011][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2266.168011][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.168011][   T72]      netlink_rcv_skb+0x130/0x360
[ 2266.168011][   T72]      netlink_unicast+0x449/0x710
[ 2266.168011][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2266.168011][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.168011][   T72]      ___sys_sendmsg+0xee/0x170
[ 2266.168011][   T72]      __sys_sendmsg+0xcd/0x170
[ 2266.168011][   T72]      do_syscall_64+0xc6/0x1e0
[ 2266.168011][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.168011][   T72] 
[ 2266.170050][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2266.170050][   T72]      netdev_get_by_index+0x5e/0x80
[ 2266.170050][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2266.170050][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2266.170050][   T72]      ip6_route_add+0x1c/0x140
[ 2266.170050][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2266.170050][   T72]      addrconf_add_dev+0xe2/0x170
[ 2266.170050][   T72]      inet6_addr_add+0x12f/0xa40
[ 2266.170050][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2266.170050][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.170050][   T72]      netlink_rcv_skb+0x130/0x360
[ 2266.170050][   T72]      netlink_unicast+0x449/0x710
[ 2266.170050][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2266.170050][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.170050][   T72]      ___sys_sendmsg+0xee/0x170
[ 2266.170050][   T72]      __sys_sendmsg+0xcd/0x170
[ 2266.170050][   T72]      do_syscall_64+0xc6/0x1e0
[ 2266.170050][   T72] 
[ 2266.172070][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2266.172070][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2266.172070][   T72]      ipv6_find_idev+0x102/0x170
[ 2266.172070][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2266.172070][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.172070][   T72]      netlink_rcv_skb+0x130/0x360
[ 2266.172070][   T72]      netlink_unicast+0x449/0x710
[ 2266.172070][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2266.172070][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.172070][   T72]      ___sys_sendmsg+0xee/0x170
[ 2266.172070][   T72]      __sys_sendmsg+0xcd/0x170
[ 2266.172070][   T72]      do_syscall_64+0xc6/0x1e0
[ 2266.172070][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.172070][   T72] 
[ 2266.173634][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2266.173634][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2266.173634][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2266.173634][   T72]      ipv6_find_idev+0x102/0x170
[ 2266.173634][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2266.173634][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2266.173634][   T72]      netlink_rcv_skb+0x130/0x360
[ 2266.173634][   T72]      netlink_unicast+0x449/0x710
[ 2266.173634][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2266.173634][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2266.173634][   T72]      ___sys_sendmsg+0xee/0x170
[ 2266.173634][   T72]      __sys_sendmsg+0xcd/0x170
[ 2266.173634][   T72]      do_syscall_64+0xc6/0x1e0
[ 2266.173634][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2266.173634][   T72] 
[ 2276.415871][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2276.416334][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2276.416334][   T72]      netdev_get_by_index+0x5e/0x80
[ 2276.416334][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2276.416334][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2276.416334][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2276.416334][   T72]      ipv6_add_addr+0x411/0x2000
[ 2276.416334][   T72]      inet6_addr_add+0x30e/0xa40
[ 2276.416334][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2276.416334][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.416334][   T72]      netlink_rcv_skb+0x130/0x360
[ 2276.416334][   T72]      netlink_unicast+0x449/0x710
[ 2276.416334][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2276.416334][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.416334][   T72]      ___sys_sendmsg+0xee/0x170
[ 2276.416334][   T72]      __sys_sendmsg+0xcd/0x170
[ 2276.416334][   T72]      do_syscall_64+0xc6/0x1e0
[ 2276.416334][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.416334][   T72] 
[ 2276.418404][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2276.418404][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2276.418404][   T72]      ipv6_find_idev+0x102/0x170
[ 2276.418404][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2276.418404][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.418404][   T72]      netlink_rcv_skb+0x130/0x360
[ 2276.418404][   T72]      netlink_unicast+0x449/0x710
[ 2276.418404][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2276.418404][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.418404][   T72]      ___sys_sendmsg+0xee/0x170
[ 2276.418404][   T72]      __sys_sendmsg+0xcd/0x170
[ 2276.418404][   T72]      do_syscall_64+0xc6/0x1e0
[ 2276.418404][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.418404][   T72] 
[ 2276.419980][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2276.419980][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2276.419980][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2276.419980][   T72]      ipv6_find_idev+0x102/0x170
[ 2276.419980][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2276.419980][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.419980][   T72]      netlink_rcv_skb+0x130/0x360
[ 2276.419980][   T72]      netlink_unicast+0x449/0x710
[ 2276.419980][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2276.419980][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.419980][   T72]      ___sys_sendmsg+0xee/0x170
[ 2276.419980][   T72]      __sys_sendmsg+0xcd/0x170
[ 2276.419980][   T72]      do_syscall_64+0xc6/0x1e0
[ 2276.419980][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.419980][   T72] 
[ 2276.421712][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2276.421974][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2276.421974][   T72]      netdev_get_by_index+0x5e/0x80
[ 2276.421974][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2276.421974][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2276.421974][   T72]      ip6_route_add+0x1c/0x140
[ 2276.421974][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2276.421974][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2276.421974][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2276.421974][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.421974][   T72]      netlink_rcv_skb+0x130/0x360
[ 2276.421974][   T72]      netlink_unicast+0x449/0x710
[ 2276.421974][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2276.421974][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.421974][   T72]      ___sys_sendmsg+0xee/0x170
[ 2276.421974][   T72]      __sys_sendmsg+0xcd/0x170
[ 2276.421974][   T72]      do_syscall_64+0xc6/0x1e0
[ 2276.421974][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.421974][   T72] 
[ 2276.424027][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2276.424027][   T72]      netdev_get_by_index+0x5e/0x80
[ 2276.424027][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2276.424027][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2276.424027][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2276.424027][   T72]      ipv6_add_addr+0x411/0x2000
[ 2276.424027][   T72]      inet6_addr_add+0x30e/0xa40
[ 2276.424027][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2276.424027][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.424027][   T72]      netlink_rcv_skb+0x130/0x360
[ 2276.424027][   T72]      netlink_unicast+0x449/0x710
[ 2276.424027][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2276.424027][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.424027][   T72]      ___sys_sendmsg+0xee/0x170
[ 2276.424027][   T72]      __sys_sendmsg+0xcd/0x170
[ 2276.424027][   T72]      do_syscall_64+0xc6/0x1e0
[ 2276.424027][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.424027][   T72] 
[ 2276.426093][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2276.426093][   T72]      netdev_get_by_index+0x5e/0x80
[ 2276.426093][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2276.426093][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2276.426093][   T72]      ip6_route_add+0x1c/0x140
[ 2276.426093][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2276.426093][   T72]      addrconf_add_dev+0xe2/0x170
[ 2276.426093][   T72]      inet6_addr_add+0x12f/0xa40
[ 2276.426093][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2276.426093][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.426093][   T72]      netlink_rcv_skb+0x130/0x360
[ 2276.426093][   T72]      netlink_unicast+0x449/0x710
[ 2276.426093][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2276.426093][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.426093][   T72]      ___sys_sendmsg+0xee/0x170
[ 2276.426093][   T72]      __sys_sendmsg+0xcd/0x170
[ 2276.426093][   T72]      do_syscall_64+0xc6/0x1e0
[ 2276.426093][   T72] 
[ 2276.428082][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2276.428082][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2276.428082][   T72]      ipv6_find_idev+0x102/0x170
[ 2276.428082][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2276.428082][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.428082][   T72]      netlink_rcv_skb+0x130/0x360
[ 2276.428082][   T72]      netlink_unicast+0x449/0x710
[ 2276.428082][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2276.428082][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.428082][   T72]      ___sys_sendmsg+0xee/0x170
[ 2276.428082][   T72]      __sys_sendmsg+0xcd/0x170
[ 2276.428082][   T72]      do_syscall_64+0xc6/0x1e0
[ 2276.428082][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.428082][   T72] 
[ 2276.430179][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2276.430179][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2276.430179][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2276.430179][   T72]      ipv6_find_idev+0x102/0x170
[ 2276.430179][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2276.430179][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2276.430179][   T72]      netlink_rcv_skb+0x130/0x360
[ 2276.430179][   T72]      netlink_unicast+0x449/0x710
[ 2276.430179][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2276.430179][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2276.430179][   T72]      ___sys_sendmsg+0xee/0x170
[ 2276.430179][   T72]      __sys_sendmsg+0xcd/0x170
[ 2276.430179][   T72]      do_syscall_64+0xc6/0x1e0
[ 2276.430179][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2276.430179][   T72] 
[ 2286.671800][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2286.672280][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2286.672280][   T72]      netdev_get_by_index+0x5e/0x80
[ 2286.672280][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2286.672280][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2286.672280][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2286.672280][   T72]      ipv6_add_addr+0x411/0x2000
[ 2286.672280][   T72]      inet6_addr_add+0x30e/0xa40
[ 2286.672280][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2286.672280][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2286.672280][   T72]      netlink_rcv_skb+0x130/0x360
[ 2286.672280][   T72]      netlink_unicast+0x449/0x710
[ 2286.672280][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2286.672280][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2286.672280][   T72]      ___sys_sendmsg+0xee/0x170
[ 2286.672280][   T72]      __sys_sendmsg+0xcd/0x170
[ 2286.672280][   T72]      do_syscall_64+0xc6/0x1e0
[ 2286.672280][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2286.672280][   T72] 
[ 2286.674381][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2286.674381][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2286.674381][   T72]      ipv6_find_idev+0x102/0x170
[ 2286.674381][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2286.674381][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2286.674381][   T72]      netlink_rcv_skb+0x130/0x360
[ 2286.674381][   T72]      netlink_unicast+0x449/0x710
[ 2286.674381][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2286.674381][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2286.674381][   T72]      ___sys_sendmsg+0xee/0x170
[ 2286.674381][   T72]      __sys_sendmsg+0xcd/0x170
[ 2286.674381][   T72]      do_syscall_64+0xc6/0x1e0
[ 2286.674381][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2286.674381][   T72] 
[ 2286.675976][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2286.675976][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2286.675976][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2286.675976][   T72]      ipv6_find_idev+0x102/0x170
[ 2286.675976][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2286.675976][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2286.675976][   T72]      netlink_rcv_skb+0x130/0x360
[ 2286.675976][   T72]      netlink_unicast+0x449/0x710
[ 2286.675976][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2286.675976][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2286.675976][   T72]      ___sys_sendmsg+0xee/0x170
[ 2286.675976][   T72]      __sys_sendmsg+0xcd/0x170
[ 2286.675976][   T72]      do_syscall_64+0xc6/0x1e0
[ 2286.675976][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2286.675976][   T72] 
[ 2286.677732][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2286.678396][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2286.678396][   T72]      netdev_get_by_index+0x5e/0x80
[ 2286.678396][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2286.678396][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2286.678396][   T72]      ip6_route_add+0x1c/0x140
[ 2286.678396][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2286.678396][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2286.678396][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2286.678396][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2286.678396][   T72]      netlink_rcv_skb+0x130/0x360
[ 2286.678396][   T72]      netlink_unicast+0x449/0x710
[ 2286.678396][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2286.678396][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2286.678396][   T72]      ___sys_sendmsg+0xee/0x170
[ 2286.678396][   T72]      __sys_sendmsg+0xcd/0x170
[ 2286.678396][   T72]      do_syscall_64+0xc6/0x1e0
[ 2286.678396][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2286.678396][   T72] 
[ 2286.680481][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2286.680481][   T72]      netdev_get_by_index+0x5e/0x80
[ 2286.680481][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2286.680481][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2286.680481][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2286.680481][   T72]      ipv6_add_addr+0x411/0x2000
[ 2286.680481][   T72]      inet6_addr_add+0x30e/0xa40
[ 2286.680481][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2286.680481][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2286.680481][   T72]      netlink_rcv_skb+0x130/0x360
[ 2286.680481][   T72]      netlink_unicast+0x449/0x710
[ 2286.680481][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2286.680481][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2286.680481][   T72]      ___sys_sendmsg+0xee/0x170
[ 2286.680481][   T72]      __sys_sendmsg+0xcd/0x170
[ 2286.680481][   T72]      do_syscall_64+0xc6/0x1e0
[ 2286.680481][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2286.680481][   T72] 
[ 2286.682572][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2286.682572][   T72]      netdev_get_by_index+0x5e/0x80
[ 2286.682572][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2286.682572][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2286.682572][   T72]      ip6_route_add+0x1c/0x140
[ 2286.682572][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2286.682572][   T72]      addrconf_add_dev+0xe2/0x170
[ 2286.682572][   T72]      inet6_addr_add+0x12f/0xa40
[ 2286.682572][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2286.682572][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2286.682572][   T72]      netlink_rcv_skb+0x130/0x360
[ 2286.682572][   T72]      netlink_unicast+0x449/0x710
[ 2286.682572][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2286.682572][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2286.682572][   T72]      ___sys_sendmsg+0xee/0x170
[ 2286.682572][   T72]      __sys_sendmsg+0xcd/0x170
[ 2286.682572][   T72]      do_syscall_64+0xc6/0x1e0
[ 2286.682572][   T72] 
[ 2286.685139][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2286.685139][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2286.685139][   T72]      ipv6_find_idev+0x102/0x170
[ 2286.685139][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2286.685139][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2286.685139][   T72]      netlink_rcv_skb+0x130/0x360
[ 2286.685139][   T72]      netlink_unicast+0x449/0x710
[ 2286.685139][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2286.685139][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2286.685139][   T72]      ___sys_sendmsg+0xee/0x170
[ 2286.685139][   T72]      __sys_sendmsg+0xcd/0x170
[ 2286.685139][   T72]      do_syscall_64+0xc6/0x1e0
[ 2286.685139][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2286.685139][   T72] 
[ 2286.686729][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2286.686729][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2286.686729][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2286.686729][   T72]      ipv6_find_idev+0x102/0x170
[ 2286.686729][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2286.686729][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2286.686729][   T72]      netlink_rcv_skb+0x130/0x360
[ 2286.686729][   T72]      netlink_unicast+0x449/0x710
[ 2286.686729][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2286.686729][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2286.686729][   T72]      ___sys_sendmsg+0xee/0x170
[ 2286.686729][   T72]      __sys_sendmsg+0xcd/0x170
[ 2286.686729][   T72]      do_syscall_64+0xc6/0x1e0
[ 2286.686729][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2286.686729][   T72] 
[ 2296.751870][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2296.752333][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2296.752333][   T72]      netdev_get_by_index+0x5e/0x80
[ 2296.752333][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2296.752333][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2296.752333][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2296.752333][   T72]      ipv6_add_addr+0x411/0x2000
[ 2296.752333][   T72]      inet6_addr_add+0x30e/0xa40
[ 2296.752333][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2296.752333][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2296.752333][   T72]      netlink_rcv_skb+0x130/0x360
[ 2296.752333][   T72]      netlink_unicast+0x449/0x710
[ 2296.752333][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2296.752333][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2296.752333][   T72]      ___sys_sendmsg+0xee/0x170
[ 2296.752333][   T72]      __sys_sendmsg+0xcd/0x170
[ 2296.752333][   T72]      do_syscall_64+0xc6/0x1e0
[ 2296.752333][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2296.752333][   T72] 
[ 2296.754417][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2296.754417][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2296.754417][   T72]      ipv6_find_idev+0x102/0x170
[ 2296.754417][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2296.754417][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2296.754417][   T72]      netlink_rcv_skb+0x130/0x360
[ 2296.754417][   T72]      netlink_unicast+0x449/0x710
[ 2296.754417][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2296.754417][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2296.754417][   T72]      ___sys_sendmsg+0xee/0x170
[ 2296.754417][   T72]      __sys_sendmsg+0xcd/0x170
[ 2296.754417][   T72]      do_syscall_64+0xc6/0x1e0
[ 2296.754417][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2296.754417][   T72] 
[ 2296.756005][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2296.756005][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2296.756005][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2296.756005][   T72]      ipv6_find_idev+0x102/0x170
[ 2296.756005][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2296.756005][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2296.756005][   T72]      netlink_rcv_skb+0x130/0x360
[ 2296.756005][   T72]      netlink_unicast+0x449/0x710
[ 2296.756005][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2296.756005][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2296.756005][   T72]      ___sys_sendmsg+0xee/0x170
[ 2296.756005][   T72]      __sys_sendmsg+0xcd/0x170
[ 2296.756005][   T72]      do_syscall_64+0xc6/0x1e0
[ 2296.756005][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2296.756005][   T72] 
[ 2296.757784][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2296.758052][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2296.758052][   T72]      netdev_get_by_index+0x5e/0x80
[ 2296.758052][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2296.758052][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2296.758052][   T72]      ip6_route_add+0x1c/0x140
[ 2296.758052][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2296.758052][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2296.758052][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2296.758052][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2296.758052][   T72]      netlink_rcv_skb+0x130/0x360
[ 2296.758052][   T72]      netlink_unicast+0x449/0x710
[ 2296.758052][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2296.758052][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2296.758052][   T72]      ___sys_sendmsg+0xee/0x170
[ 2296.758052][   T72]      __sys_sendmsg+0xcd/0x170
[ 2296.758052][   T72]      do_syscall_64+0xc6/0x1e0
[ 2296.758052][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2296.758052][   T72] 
[ 2296.760115][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2296.760115][   T72]      netdev_get_by_index+0x5e/0x80
[ 2296.760115][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2296.760115][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2296.760115][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2296.760115][   T72]      ipv6_add_addr+0x411/0x2000
[ 2296.760115][   T72]      inet6_addr_add+0x30e/0xa40
[ 2296.760115][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2296.760115][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2296.760115][   T72]      netlink_rcv_skb+0x130/0x360
[ 2296.760115][   T72]      netlink_unicast+0x449/0x710
[ 2296.760115][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2296.760115][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2296.760115][   T72]      ___sys_sendmsg+0xee/0x170
[ 2296.760115][   T72]      __sys_sendmsg+0xcd/0x170
[ 2296.760115][   T72]      do_syscall_64+0xc6/0x1e0
[ 2296.760115][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2296.760115][   T72] 
[ 2296.762189][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2296.762189][   T72]      netdev_get_by_index+0x5e/0x80
[ 2296.762189][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2296.762189][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2296.762189][   T72]      ip6_route_add+0x1c/0x140
[ 2296.762189][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2296.762189][   T72]      addrconf_add_dev+0xe2/0x170
[ 2296.762189][   T72]      inet6_addr_add+0x12f/0xa40
[ 2296.762189][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2296.762189][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2296.762189][   T72]      netlink_rcv_skb+0x130/0x360
[ 2296.762189][   T72]      netlink_unicast+0x449/0x710
[ 2296.762189][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2296.762189][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2296.762189][   T72]      ___sys_sendmsg+0xee/0x170
[ 2296.762189][   T72]      __sys_sendmsg+0xcd/0x170
[ 2296.762189][   T72]      do_syscall_64+0xc6/0x1e0
[ 2296.762189][   T72] 
[ 2296.764205][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2296.764205][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2296.764205][   T72]      ipv6_find_idev+0x102/0x170
[ 2296.764205][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2296.764205][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2296.764205][   T72]      netlink_rcv_skb+0x130/0x360
[ 2296.764205][   T72]      netlink_unicast+0x449/0x710
[ 2296.764205][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2296.764205][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2296.764205][   T72]      ___sys_sendmsg+0xee/0x170
[ 2296.764205][   T72]      __sys_sendmsg+0xcd/0x170
[ 2296.764205][   T72]      do_syscall_64+0xc6/0x1e0
[ 2296.764205][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2296.764205][   T72] 
[ 2296.765784][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2296.765784][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2296.765784][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2296.765784][   T72]      ipv6_find_idev+0x102/0x170
[ 2296.765784][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2296.765784][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2296.765784][   T72]      netlink_rcv_skb+0x130/0x360
[ 2296.765784][   T72]      netlink_unicast+0x449/0x710
[ 2296.765784][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2296.765784][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2296.765784][   T72]      ___sys_sendmsg+0xee/0x170
[ 2296.765784][   T72]      __sys_sendmsg+0xcd/0x170
[ 2296.765784][   T72]      do_syscall_64+0xc6/0x1e0
[ 2296.765784][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2296.765784][   T72] 
[ 2307.007897][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2307.008289][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2307.008289][   T72]      netdev_get_by_index+0x5e/0x80
[ 2307.008289][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2307.008289][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2307.008289][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2307.008289][   T72]      ipv6_add_addr+0x411/0x2000
[ 2307.008289][   T72]      inet6_addr_add+0x30e/0xa40
[ 2307.008289][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2307.008289][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.008289][   T72]      netlink_rcv_skb+0x130/0x360
[ 2307.008289][   T72]      netlink_unicast+0x449/0x710
[ 2307.008289][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2307.008289][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.008289][   T72]      ___sys_sendmsg+0xee/0x170
[ 2307.008289][   T72]      __sys_sendmsg+0xcd/0x170
[ 2307.008289][   T72]      do_syscall_64+0xc6/0x1e0
[ 2307.008289][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.008289][   T72] 
[ 2307.010490][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2307.010490][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2307.010490][   T72]      ipv6_find_idev+0x102/0x170
[ 2307.010490][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2307.010490][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.010490][   T72]      netlink_rcv_skb+0x130/0x360
[ 2307.010490][   T72]      netlink_unicast+0x449/0x710
[ 2307.010490][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2307.010490][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.010490][   T72]      ___sys_sendmsg+0xee/0x170
[ 2307.010490][   T72]      __sys_sendmsg+0xcd/0x170
[ 2307.010490][   T72]      do_syscall_64+0xc6/0x1e0
[ 2307.010490][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.010490][   T72] 
[ 2307.012063][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2307.012063][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2307.012063][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2307.012063][   T72]      ipv6_find_idev+0x102/0x170
[ 2307.012063][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2307.012063][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.012063][   T72]      netlink_rcv_skb+0x130/0x360
[ 2307.012063][   T72]      netlink_unicast+0x449/0x710
[ 2307.012063][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2307.012063][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.012063][   T72]      ___sys_sendmsg+0xee/0x170
[ 2307.012063][   T72]      __sys_sendmsg+0xcd/0x170
[ 2307.012063][   T72]      do_syscall_64+0xc6/0x1e0
[ 2307.012063][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.012063][   T72] 
[ 2307.013805][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2307.014053][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2307.014053][   T72]      netdev_get_by_index+0x5e/0x80
[ 2307.014053][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2307.014053][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2307.014053][   T72]      ip6_route_add+0x1c/0x140
[ 2307.014053][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2307.014053][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2307.014053][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2307.014053][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.014053][   T72]      netlink_rcv_skb+0x130/0x360
[ 2307.014053][   T72]      netlink_unicast+0x449/0x710
[ 2307.014053][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2307.014053][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.014053][   T72]      ___sys_sendmsg+0xee/0x170
[ 2307.014053][   T72]      __sys_sendmsg+0xcd/0x170
[ 2307.014053][   T72]      do_syscall_64+0xc6/0x1e0
[ 2307.014053][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.014053][   T72] 
[ 2307.016101][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2307.016101][   T72]      netdev_get_by_index+0x5e/0x80
[ 2307.016101][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2307.016101][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2307.016101][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2307.016101][   T72]      ipv6_add_addr+0x411/0x2000
[ 2307.016101][   T72]      inet6_addr_add+0x30e/0xa40
[ 2307.016101][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2307.016101][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.016101][   T72]      netlink_rcv_skb+0x130/0x360
[ 2307.016101][   T72]      netlink_unicast+0x449/0x710
[ 2307.016101][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2307.016101][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.016101][   T72]      ___sys_sendmsg+0xee/0x170
[ 2307.016101][   T72]      __sys_sendmsg+0xcd/0x170
[ 2307.016101][   T72]      do_syscall_64+0xc6/0x1e0
[ 2307.016101][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.016101][   T72] 
[ 2307.018138][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2307.018138][   T72]      netdev_get_by_index+0x5e/0x80
[ 2307.018138][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2307.018138][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2307.018138][   T72]      ip6_route_add+0x1c/0x140
[ 2307.018138][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2307.018138][   T72]      addrconf_add_dev+0xe2/0x170
[ 2307.018138][   T72]      inet6_addr_add+0x12f/0xa40
[ 2307.018138][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2307.018138][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.018138][   T72]      netlink_rcv_skb+0x130/0x360
[ 2307.018138][   T72]      netlink_unicast+0x449/0x710
[ 2307.018138][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2307.018138][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.018138][   T72]      ___sys_sendmsg+0xee/0x170
[ 2307.018138][   T72]      __sys_sendmsg+0xcd/0x170
[ 2307.018138][   T72]      do_syscall_64+0xc6/0x1e0
[ 2307.018138][   T72] 
[ 2307.020143][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2307.020143][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2307.020143][   T72]      ipv6_find_idev+0x102/0x170
[ 2307.020143][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2307.020143][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.020143][   T72]      netlink_rcv_skb+0x130/0x360
[ 2307.020143][   T72]      netlink_unicast+0x449/0x710
[ 2307.020143][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2307.020143][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.020143][   T72]      ___sys_sendmsg+0xee/0x170
[ 2307.020143][   T72]      __sys_sendmsg+0xcd/0x170
[ 2307.020143][   T72]      do_syscall_64+0xc6/0x1e0
[ 2307.020143][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.020143][   T72] 
[ 2307.021718][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2307.021718][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2307.021718][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2307.021718][   T72]      ipv6_find_idev+0x102/0x170
[ 2307.021718][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2307.021718][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2307.021718][   T72]      netlink_rcv_skb+0x130/0x360
[ 2307.021718][   T72]      netlink_unicast+0x449/0x710
[ 2307.021718][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2307.021718][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2307.021718][   T72]      ___sys_sendmsg+0xee/0x170
[ 2307.021718][   T72]      __sys_sendmsg+0xcd/0x170
[ 2307.021718][   T72]      do_syscall_64+0xc6/0x1e0
[ 2307.021718][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2307.021718][   T72] 
[ 2317.263883][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2317.264369][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2317.264369][   T72]      netdev_get_by_index+0x5e/0x80
[ 2317.264369][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2317.264369][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2317.264369][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2317.264369][   T72]      ipv6_add_addr+0x411/0x2000
[ 2317.264369][   T72]      inet6_addr_add+0x30e/0xa40
[ 2317.264369][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2317.264369][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.264369][   T72]      netlink_rcv_skb+0x130/0x360
[ 2317.264369][   T72]      netlink_unicast+0x449/0x710
[ 2317.264369][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2317.264369][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.264369][   T72]      ___sys_sendmsg+0xee/0x170
[ 2317.264369][   T72]      __sys_sendmsg+0xcd/0x170
[ 2317.264369][   T72]      do_syscall_64+0xc6/0x1e0
[ 2317.264369][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.264369][   T72] 
[ 2317.266447][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2317.266447][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2317.266447][   T72]      ipv6_find_idev+0x102/0x170
[ 2317.266447][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2317.266447][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.266447][   T72]      netlink_rcv_skb+0x130/0x360
[ 2317.266447][   T72]      netlink_unicast+0x449/0x710
[ 2317.266447][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2317.266447][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.266447][   T72]      ___sys_sendmsg+0xee/0x170
[ 2317.266447][   T72]      __sys_sendmsg+0xcd/0x170
[ 2317.266447][   T72]      do_syscall_64+0xc6/0x1e0
[ 2317.266447][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.266447][   T72] 
[ 2317.268027][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2317.268027][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2317.268027][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2317.268027][   T72]      ipv6_find_idev+0x102/0x170
[ 2317.268027][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2317.268027][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.268027][   T72]      netlink_rcv_skb+0x130/0x360
[ 2317.268027][   T72]      netlink_unicast+0x449/0x710
[ 2317.268027][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2317.268027][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.268027][   T72]      ___sys_sendmsg+0xee/0x170
[ 2317.268027][   T72]      __sys_sendmsg+0xcd/0x170
[ 2317.268027][   T72]      do_syscall_64+0xc6/0x1e0
[ 2317.268027][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.268027][   T72] 
[ 2317.269775][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2317.270034][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2317.270034][   T72]      netdev_get_by_index+0x5e/0x80
[ 2317.270034][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2317.270034][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2317.270034][   T72]      ip6_route_add+0x1c/0x140
[ 2317.270034][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2317.270034][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2317.270034][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2317.270034][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.270034][   T72]      netlink_rcv_skb+0x130/0x360
[ 2317.270034][   T72]      netlink_unicast+0x449/0x710
[ 2317.270034][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2317.270034][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.270034][   T72]      ___sys_sendmsg+0xee/0x170
[ 2317.270034][   T72]      __sys_sendmsg+0xcd/0x170
[ 2317.270034][   T72]      do_syscall_64+0xc6/0x1e0
[ 2317.270034][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.270034][   T72] 
[ 2317.272083][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2317.272083][   T72]      netdev_get_by_index+0x5e/0x80
[ 2317.272083][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2317.272083][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2317.272083][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2317.272083][   T72]      ipv6_add_addr+0x411/0x2000
[ 2317.272083][   T72]      inet6_addr_add+0x30e/0xa40
[ 2317.272083][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2317.272083][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.272083][   T72]      netlink_rcv_skb+0x130/0x360
[ 2317.272083][   T72]      netlink_unicast+0x449/0x710
[ 2317.272083][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2317.272083][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.272083][   T72]      ___sys_sendmsg+0xee/0x170
[ 2317.272083][   T72]      __sys_sendmsg+0xcd/0x170
[ 2317.272083][   T72]      do_syscall_64+0xc6/0x1e0
[ 2317.272083][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.272083][   T72] 
[ 2317.274145][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2317.274145][   T72]      netdev_get_by_index+0x5e/0x80
[ 2317.274145][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2317.274145][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2317.274145][   T72]      ip6_route_add+0x1c/0x140
[ 2317.274145][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2317.274145][   T72]      addrconf_add_dev+0xe2/0x170
[ 2317.274145][   T72]      inet6_addr_add+0x12f/0xa40
[ 2317.274145][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2317.274145][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.274145][   T72]      netlink_rcv_skb+0x130/0x360
[ 2317.274145][   T72]      netlink_unicast+0x449/0x710
[ 2317.274145][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2317.274145][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.274145][   T72]      ___sys_sendmsg+0xee/0x170
[ 2317.274145][   T72]      __sys_sendmsg+0xcd/0x170
[ 2317.274145][   T72]      do_syscall_64+0xc6/0x1e0
[ 2317.274145][   T72] 
[ 2317.276159][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2317.276159][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2317.276159][   T72]      ipv6_find_idev+0x102/0x170
[ 2317.276159][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2317.276159][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.276159][   T72]      netlink_rcv_skb+0x130/0x360
[ 2317.276159][   T72]      netlink_unicast+0x449/0x710
[ 2317.276159][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2317.276159][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.276159][   T72]      ___sys_sendmsg+0xee/0x170
[ 2317.276159][   T72]      __sys_sendmsg+0xcd/0x170
[ 2317.276159][   T72]      do_syscall_64+0xc6/0x1e0
[ 2317.276159][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.276159][   T72] 
[ 2317.277731][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2317.277731][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2317.277731][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2317.277731][   T72]      ipv6_find_idev+0x102/0x170
[ 2317.277731][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2317.277731][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2317.277731][   T72]      netlink_rcv_skb+0x130/0x360
[ 2317.277731][   T72]      netlink_unicast+0x449/0x710
[ 2317.277731][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2317.277731][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2317.277731][   T72]      ___sys_sendmsg+0xee/0x170
[ 2317.277731][   T72]      __sys_sendmsg+0xcd/0x170
[ 2317.277731][   T72]      do_syscall_64+0xc6/0x1e0
[ 2317.277731][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2317.277731][   T72] 
[ 2327.351877][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2327.352351][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2327.352351][   T72]      netdev_get_by_index+0x5e/0x80
[ 2327.352351][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2327.352351][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2327.352351][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2327.352351][   T72]      ipv6_add_addr+0x411/0x2000
[ 2327.352351][   T72]      inet6_addr_add+0x30e/0xa40
[ 2327.352351][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2327.352351][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2327.352351][   T72]      netlink_rcv_skb+0x130/0x360
[ 2327.352351][   T72]      netlink_unicast+0x449/0x710
[ 2327.352351][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2327.352351][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2327.352351][   T72]      ___sys_sendmsg+0xee/0x170
[ 2327.352351][   T72]      __sys_sendmsg+0xcd/0x170
[ 2327.352351][   T72]      do_syscall_64+0xc6/0x1e0
[ 2327.352351][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2327.352351][   T72] 
[ 2327.354414][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2327.354414][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2327.354414][   T72]      ipv6_find_idev+0x102/0x170
[ 2327.354414][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2327.354414][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2327.354414][   T72]      netlink_rcv_skb+0x130/0x360
[ 2327.354414][   T72]      netlink_unicast+0x449/0x710
[ 2327.354414][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2327.354414][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2327.354414][   T72]      ___sys_sendmsg+0xee/0x170
[ 2327.354414][   T72]      __sys_sendmsg+0xcd/0x170
[ 2327.354414][   T72]      do_syscall_64+0xc6/0x1e0
[ 2327.354414][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2327.354414][   T72] 
[ 2327.356002][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2327.356002][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2327.356002][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2327.356002][   T72]      ipv6_find_idev+0x102/0x170
[ 2327.356002][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2327.356002][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2327.356002][   T72]      netlink_rcv_skb+0x130/0x360
[ 2327.356002][   T72]      netlink_unicast+0x449/0x710
[ 2327.356002][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2327.356002][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2327.356002][   T72]      ___sys_sendmsg+0xee/0x170
[ 2327.356002][   T72]      __sys_sendmsg+0xcd/0x170
[ 2327.356002][   T72]      do_syscall_64+0xc6/0x1e0
[ 2327.356002][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2327.356002][   T72] 
[ 2327.357748][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2327.358036][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2327.358036][   T72]      netdev_get_by_index+0x5e/0x80
[ 2327.358036][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2327.358036][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2327.358036][   T72]      ip6_route_add+0x1c/0x140
[ 2327.358036][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2327.358036][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2327.358036][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2327.358036][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2327.358036][   T72]      netlink_rcv_skb+0x130/0x360
[ 2327.358036][   T72]      netlink_unicast+0x449/0x710
[ 2327.358036][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2327.358036][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2327.358036][   T72]      ___sys_sendmsg+0xee/0x170
[ 2327.358036][   T72]      __sys_sendmsg+0xcd/0x170
[ 2327.358036][   T72]      do_syscall_64+0xc6/0x1e0
[ 2327.358036][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2327.358036][   T72] 
[ 2327.360084][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2327.360084][   T72]      netdev_get_by_index+0x5e/0x80
[ 2327.360084][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2327.360084][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2327.360084][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2327.360084][   T72]      ipv6_add_addr+0x411/0x2000
[ 2327.360084][   T72]      inet6_addr_add+0x30e/0xa40
[ 2327.360084][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2327.360084][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2327.360084][   T72]      netlink_rcv_skb+0x130/0x360
[ 2327.360084][   T72]      netlink_unicast+0x449/0x710
[ 2327.360084][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2327.360084][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2327.360084][   T72]      ___sys_sendmsg+0xee/0x170
[ 2327.360084][   T72]      __sys_sendmsg+0xcd/0x170
[ 2327.360084][   T72]      do_syscall_64+0xc6/0x1e0
[ 2327.360084][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2327.360084][   T72] 
[ 2327.362161][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2327.362161][   T72]      netdev_get_by_index+0x5e/0x80
[ 2327.362161][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2327.362161][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2327.362161][   T72]      ip6_route_add+0x1c/0x140
[ 2327.362161][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2327.362161][   T72]      addrconf_add_dev+0xe2/0x170
[ 2327.362161][   T72]      inet6_addr_add+0x12f/0xa40
[ 2327.362161][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2327.362161][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2327.362161][   T72]      netlink_rcv_skb+0x130/0x360
[ 2327.362161][   T72]      netlink_unicast+0x449/0x710
[ 2327.362161][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2327.362161][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2327.362161][   T72]      ___sys_sendmsg+0xee/0x170
[ 2327.362161][   T72]      __sys_sendmsg+0xcd/0x170
[ 2327.362161][   T72]      do_syscall_64+0xc6/0x1e0
[ 2327.362161][   T72] 
[ 2327.364170][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2327.364170][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2327.364170][   T72]      ipv6_find_idev+0x102/0x170
[ 2327.364170][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2327.364170][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2327.364170][   T72]      netlink_rcv_skb+0x130/0x360
[ 2327.364170][   T72]      netlink_unicast+0x449/0x710
[ 2327.364170][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2327.364170][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2327.364170][   T72]      ___sys_sendmsg+0xee/0x170
[ 2327.364170][   T72]      __sys_sendmsg+0xcd/0x170
[ 2327.364170][   T72]      do_syscall_64+0xc6/0x1e0
[ 2327.364170][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2327.364170][   T72] 
[ 2327.365741][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2327.365741][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2327.365741][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2327.365741][   T72]      ipv6_find_idev+0x102/0x170
[ 2327.365741][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2327.365741][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2327.365741][   T72]      netlink_rcv_skb+0x130/0x360
[ 2327.365741][   T72]      netlink_unicast+0x449/0x710
[ 2327.365741][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2327.365741][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2327.365741][   T72]      ___sys_sendmsg+0xee/0x170
[ 2327.365741][   T72]      __sys_sendmsg+0xcd/0x170
[ 2327.365741][   T72]      do_syscall_64+0xc6/0x1e0
[ 2327.365741][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2327.365741][   T72] 
[ 2337.367907][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2337.368355][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2337.368355][   T72]      netdev_get_by_index+0x5e/0x80
[ 2337.368355][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2337.368355][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2337.368355][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2337.368355][   T72]      ipv6_add_addr+0x411/0x2000
[ 2337.368355][   T72]      inet6_addr_add+0x30e/0xa40
[ 2337.368355][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2337.368355][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2337.368355][   T72]      netlink_rcv_skb+0x130/0x360
[ 2337.368355][   T72]      netlink_unicast+0x449/0x710
[ 2337.368355][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2337.368355][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2337.368355][   T72]      ___sys_sendmsg+0xee/0x170
[ 2337.368355][   T72]      __sys_sendmsg+0xcd/0x170
[ 2337.368355][   T72]      do_syscall_64+0xc6/0x1e0
[ 2337.368355][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2337.368355][   T72] 
[ 2337.370419][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2337.370419][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2337.370419][   T72]      ipv6_find_idev+0x102/0x170
[ 2337.370419][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2337.370419][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2337.370419][   T72]      netlink_rcv_skb+0x130/0x360
[ 2337.370419][   T72]      netlink_unicast+0x449/0x710
[ 2337.370419][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2337.370419][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2337.370419][   T72]      ___sys_sendmsg+0xee/0x170
[ 2337.370419][   T72]      __sys_sendmsg+0xcd/0x170
[ 2337.370419][   T72]      do_syscall_64+0xc6/0x1e0
[ 2337.370419][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2337.370419][   T72] 
[ 2337.371977][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2337.371977][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2337.371977][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2337.371977][   T72]      ipv6_find_idev+0x102/0x170
[ 2337.371977][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2337.371977][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2337.371977][   T72]      netlink_rcv_skb+0x130/0x360
[ 2337.371977][   T72]      netlink_unicast+0x449/0x710
[ 2337.371977][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2337.371977][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2337.371977][   T72]      ___sys_sendmsg+0xee/0x170
[ 2337.371977][   T72]      __sys_sendmsg+0xcd/0x170
[ 2337.371977][   T72]      do_syscall_64+0xc6/0x1e0
[ 2337.371977][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2337.371977][   T72] 
[ 2337.373678][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2337.373935][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2337.373935][   T72]      netdev_get_by_index+0x5e/0x80
[ 2337.373935][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2337.373935][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2337.373935][   T72]      ip6_route_add+0x1c/0x140
[ 2337.373935][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2337.373935][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2337.373935][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2337.373935][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2337.373935][   T72]      netlink_rcv_skb+0x130/0x360
[ 2337.373935][   T72]      netlink_unicast+0x449/0x710
[ 2337.373935][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2337.373935][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2337.373935][   T72]      ___sys_sendmsg+0xee/0x170
[ 2337.373935][   T72]      __sys_sendmsg+0xcd/0x170
[ 2337.373935][   T72]      do_syscall_64+0xc6/0x1e0
[ 2337.373935][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2337.373935][   T72] 
[ 2337.376010][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2337.376010][   T72]      netdev_get_by_index+0x5e/0x80
[ 2337.376010][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2337.376010][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2337.376010][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2337.376010][   T72]      ipv6_add_addr+0x411/0x2000
[ 2337.376010][   T72]      inet6_addr_add+0x30e/0xa40
[ 2337.376010][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2337.376010][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2337.376010][   T72]      netlink_rcv_skb+0x130/0x360
[ 2337.376010][   T72]      netlink_unicast+0x449/0x710
[ 2337.376010][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2337.376010][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2337.376010][   T72]      ___sys_sendmsg+0xee/0x170
[ 2337.376010][   T72]      __sys_sendmsg+0xcd/0x170
[ 2337.376010][   T72]      do_syscall_64+0xc6/0x1e0
[ 2337.376010][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2337.376010][   T72] 
[ 2337.378083][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2337.378083][   T72]      netdev_get_by_index+0x5e/0x80
[ 2337.378083][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2337.378083][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2337.378083][   T72]      ip6_route_add+0x1c/0x140
[ 2337.378083][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2337.378083][   T72]      addrconf_add_dev+0xe2/0x170
[ 2337.378083][   T72]      inet6_addr_add+0x12f/0xa40
[ 2337.378083][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2337.378083][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2337.378083][   T72]      netlink_rcv_skb+0x130/0x360
[ 2337.378083][   T72]      netlink_unicast+0x449/0x710
[ 2337.378083][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2337.378083][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2337.378083][   T72]      ___sys_sendmsg+0xee/0x170
[ 2337.378083][   T72]      __sys_sendmsg+0xcd/0x170
[ 2337.378083][   T72]      do_syscall_64+0xc6/0x1e0
[ 2337.378083][   T72] 
[ 2337.380075][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2337.380075][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2337.380075][   T72]      ipv6_find_idev+0x102/0x170
[ 2337.380075][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2337.380075][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2337.380075][   T72]      netlink_rcv_skb+0x130/0x360
[ 2337.380075][   T72]      netlink_unicast+0x449/0x710
[ 2337.380075][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2337.380075][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2337.380075][   T72]      ___sys_sendmsg+0xee/0x170
[ 2337.380075][   T72]      __sys_sendmsg+0xcd/0x170
[ 2337.380075][   T72]      do_syscall_64+0xc6/0x1e0
[ 2337.380075][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2337.380075][   T72] 
[ 2337.381634][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2337.381634][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2337.381634][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2337.381634][   T72]      ipv6_find_idev+0x102/0x170
[ 2337.381634][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2337.381634][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2337.381634][   T72]      netlink_rcv_skb+0x130/0x360
[ 2337.381634][   T72]      netlink_unicast+0x449/0x710
[ 2337.381634][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2337.381634][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2337.381634][   T72]      ___sys_sendmsg+0xee/0x170
[ 2337.381634][   T72]      __sys_sendmsg+0xcd/0x170
[ 2337.381634][   T72]      do_syscall_64+0xc6/0x1e0
[ 2337.381634][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2337.381634][   T72] 
[ 2347.623890][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2347.624355][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2347.624355][   T72]      netdev_get_by_index+0x5e/0x80
[ 2347.624355][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2347.624355][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2347.624355][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2347.624355][   T72]      ipv6_add_addr+0x411/0x2000
[ 2347.624355][   T72]      inet6_addr_add+0x30e/0xa40
[ 2347.624355][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2347.624355][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2347.624355][   T72]      netlink_rcv_skb+0x130/0x360
[ 2347.624355][   T72]      netlink_unicast+0x449/0x710
[ 2347.624355][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2347.624355][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2347.624355][   T72]      ___sys_sendmsg+0xee/0x170
[ 2347.624355][   T72]      __sys_sendmsg+0xcd/0x170
[ 2347.624355][   T72]      do_syscall_64+0xc6/0x1e0
[ 2347.624355][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2347.624355][   T72] 
[ 2347.626443][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2347.626443][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2347.626443][   T72]      ipv6_find_idev+0x102/0x170
[ 2347.626443][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2347.626443][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2347.626443][   T72]      netlink_rcv_skb+0x130/0x360
[ 2347.626443][   T72]      netlink_unicast+0x449/0x710
[ 2347.626443][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2347.626443][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2347.626443][   T72]      ___sys_sendmsg+0xee/0x170
[ 2347.626443][   T72]      __sys_sendmsg+0xcd/0x170
[ 2347.626443][   T72]      do_syscall_64+0xc6/0x1e0
[ 2347.626443][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2347.626443][   T72] 
[ 2347.628033][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2347.628033][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2347.628033][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2347.628033][   T72]      ipv6_find_idev+0x102/0x170
[ 2347.628033][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2347.628033][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2347.628033][   T72]      netlink_rcv_skb+0x130/0x360
[ 2347.628033][   T72]      netlink_unicast+0x449/0x710
[ 2347.628033][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2347.628033][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2347.628033][   T72]      ___sys_sendmsg+0xee/0x170
[ 2347.628033][   T72]      __sys_sendmsg+0xcd/0x170
[ 2347.628033][   T72]      do_syscall_64+0xc6/0x1e0
[ 2347.628033][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2347.628033][   T72] 
[ 2347.629795][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2347.630052][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2347.630052][   T72]      netdev_get_by_index+0x5e/0x80
[ 2347.630052][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2347.630052][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2347.630052][   T72]      ip6_route_add+0x1c/0x140
[ 2347.630052][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2347.630052][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2347.630052][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2347.630052][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2347.630052][   T72]      netlink_rcv_skb+0x130/0x360
[ 2347.630052][   T72]      netlink_unicast+0x449/0x710
[ 2347.630052][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2347.630052][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2347.630052][   T72]      ___sys_sendmsg+0xee/0x170
[ 2347.630052][   T72]      __sys_sendmsg+0xcd/0x170
[ 2347.630052][   T72]      do_syscall_64+0xc6/0x1e0
[ 2347.630052][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2347.630052][   T72] 
[ 2347.632110][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2347.632110][   T72]      netdev_get_by_index+0x5e/0x80
[ 2347.632110][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2347.632110][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2347.632110][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2347.632110][   T72]      ipv6_add_addr+0x411/0x2000
[ 2347.632110][   T72]      inet6_addr_add+0x30e/0xa40
[ 2347.632110][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2347.632110][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2347.632110][   T72]      netlink_rcv_skb+0x130/0x360
[ 2347.632110][   T72]      netlink_unicast+0x449/0x710
[ 2347.632110][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2347.632110][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2347.632110][   T72]      ___sys_sendmsg+0xee/0x170
[ 2347.632110][   T72]      __sys_sendmsg+0xcd/0x170
[ 2347.632110][   T72]      do_syscall_64+0xc6/0x1e0
[ 2347.632110][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2347.632110][   T72] 
[ 2347.634161][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2347.634161][   T72]      netdev_get_by_index+0x5e/0x80
[ 2347.634161][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2347.634161][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2347.634161][   T72]      ip6_route_add+0x1c/0x140
[ 2347.634161][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2347.634161][   T72]      addrconf_add_dev+0xe2/0x170
[ 2347.634161][   T72]      inet6_addr_add+0x12f/0xa40
[ 2347.634161][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2347.634161][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2347.634161][   T72]      netlink_rcv_skb+0x130/0x360
[ 2347.634161][   T72]      netlink_unicast+0x449/0x710
[ 2347.634161][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2347.634161][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2347.634161][   T72]      ___sys_sendmsg+0xee/0x170
[ 2347.634161][   T72]      __sys_sendmsg+0xcd/0x170
[ 2347.634161][   T72]      do_syscall_64+0xc6/0x1e0
[ 2347.634161][   T72] 
[ 2347.636167][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2347.636167][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2347.636167][   T72]      ipv6_find_idev+0x102/0x170
[ 2347.636167][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2347.636167][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2347.636167][   T72]      netlink_rcv_skb+0x130/0x360
[ 2347.636167][   T72]      netlink_unicast+0x449/0x710
[ 2347.636167][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2347.636167][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2347.636167][   T72]      ___sys_sendmsg+0xee/0x170
[ 2347.636167][   T72]      __sys_sendmsg+0xcd/0x170
[ 2347.636167][   T72]      do_syscall_64+0xc6/0x1e0
[ 2347.636167][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2347.636167][   T72] 
[ 2347.637739][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2347.637739][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2347.637739][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2347.637739][   T72]      ipv6_find_idev+0x102/0x170
[ 2347.637739][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2347.637739][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2347.637739][   T72]      netlink_rcv_skb+0x130/0x360
[ 2347.637739][   T72]      netlink_unicast+0x449/0x710
[ 2347.637739][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2347.637739][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2347.637739][   T72]      ___sys_sendmsg+0xee/0x170
[ 2347.637739][   T72]      __sys_sendmsg+0xcd/0x170
[ 2347.637739][   T72]      do_syscall_64+0xc6/0x1e0
[ 2347.637739][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2347.637739][   T72] 
[ 2357.879880][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2357.880353][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2357.880353][   T72]      netdev_get_by_index+0x5e/0x80
[ 2357.880353][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2357.880353][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2357.880353][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2357.880353][   T72]      ipv6_add_addr+0x411/0x2000
[ 2357.880353][   T72]      inet6_addr_add+0x30e/0xa40
[ 2357.880353][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2357.880353][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2357.880353][   T72]      netlink_rcv_skb+0x130/0x360
[ 2357.880353][   T72]      netlink_unicast+0x449/0x710
[ 2357.880353][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2357.880353][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2357.880353][   T72]      ___sys_sendmsg+0xee/0x170
[ 2357.880353][   T72]      __sys_sendmsg+0xcd/0x170
[ 2357.880353][   T72]      do_syscall_64+0xc6/0x1e0
[ 2357.880353][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2357.880353][   T72] 
[ 2357.882409][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2357.882409][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2357.882409][   T72]      ipv6_find_idev+0x102/0x170
[ 2357.882409][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2357.882409][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2357.882409][   T72]      netlink_rcv_skb+0x130/0x360
[ 2357.882409][   T72]      netlink_unicast+0x449/0x710
[ 2357.882409][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2357.882409][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2357.882409][   T72]      ___sys_sendmsg+0xee/0x170
[ 2357.882409][   T72]      __sys_sendmsg+0xcd/0x170
[ 2357.882409][   T72]      do_syscall_64+0xc6/0x1e0
[ 2357.882409][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2357.882409][   T72] 
[ 2357.883982][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2357.883982][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2357.883982][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2357.883982][   T72]      ipv6_find_idev+0x102/0x170
[ 2357.883982][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2357.883982][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2357.883982][   T72]      netlink_rcv_skb+0x130/0x360
[ 2357.883982][   T72]      netlink_unicast+0x449/0x710
[ 2357.883982][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2357.883982][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2357.883982][   T72]      ___sys_sendmsg+0xee/0x170
[ 2357.883982][   T72]      __sys_sendmsg+0xcd/0x170
[ 2357.883982][   T72]      do_syscall_64+0xc6/0x1e0
[ 2357.883982][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2357.883982][   T72] 
[ 2357.885717][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2357.885986][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2357.885986][   T72]      netdev_get_by_index+0x5e/0x80
[ 2357.885986][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2357.885986][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2357.885986][   T72]      ip6_route_add+0x1c/0x140
[ 2357.885986][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2357.885986][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2357.885986][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2357.885986][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2357.885986][   T72]      netlink_rcv_skb+0x130/0x360
[ 2357.885986][   T72]      netlink_unicast+0x449/0x710
[ 2357.885986][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2357.885986][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2357.885986][   T72]      ___sys_sendmsg+0xee/0x170
[ 2357.885986][   T72]      __sys_sendmsg+0xcd/0x170
[ 2357.885986][   T72]      do_syscall_64+0xc6/0x1e0
[ 2357.885986][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2357.885986][   T72] 
[ 2357.888036][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2357.888036][   T72]      netdev_get_by_index+0x5e/0x80
[ 2357.888036][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2357.888036][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2357.888036][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2357.888036][   T72]      ipv6_add_addr+0x411/0x2000
[ 2357.888036][   T72]      inet6_addr_add+0x30e/0xa40
[ 2357.888036][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2357.888036][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2357.888036][   T72]      netlink_rcv_skb+0x130/0x360
[ 2357.888036][   T72]      netlink_unicast+0x449/0x710
[ 2357.888036][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2357.888036][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2357.888036][   T72]      ___sys_sendmsg+0xee/0x170
[ 2357.888036][   T72]      __sys_sendmsg+0xcd/0x170
[ 2357.888036][   T72]      do_syscall_64+0xc6/0x1e0
[ 2357.888036][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2357.888036][   T72] 
[ 2357.890084][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2357.890084][   T72]      netdev_get_by_index+0x5e/0x80
[ 2357.890084][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2357.890084][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2357.890084][   T72]      ip6_route_add+0x1c/0x140
[ 2357.890084][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2357.890084][   T72]      addrconf_add_dev+0xe2/0x170
[ 2357.890084][   T72]      inet6_addr_add+0x12f/0xa40
[ 2357.890084][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2357.890084][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2357.890084][   T72]      netlink_rcv_skb+0x130/0x360
[ 2357.890084][   T72]      netlink_unicast+0x449/0x710
[ 2357.890084][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2357.890084][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2357.890084][   T72]      ___sys_sendmsg+0xee/0x170
[ 2357.890084][   T72]      __sys_sendmsg+0xcd/0x170
[ 2357.890084][   T72]      do_syscall_64+0xc6/0x1e0
[ 2357.890084][   T72] 
[ 2357.892146][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2357.892146][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2357.892146][   T72]      ipv6_find_idev+0x102/0x170
[ 2357.892146][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2357.892146][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2357.892146][   T72]      netlink_rcv_skb+0x130/0x360
[ 2357.892146][   T72]      netlink_unicast+0x449/0x710
[ 2357.892146][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2357.892146][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2357.892146][   T72]      ___sys_sendmsg+0xee/0x170
[ 2357.892146][   T72]      __sys_sendmsg+0xcd/0x170
[ 2357.892146][   T72]      do_syscall_64+0xc6/0x1e0
[ 2357.892146][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2357.892146][   T72] 
[ 2357.893711][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2357.893711][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2357.893711][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2357.893711][   T72]      ipv6_find_idev+0x102/0x170
[ 2357.893711][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2357.893711][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2357.893711][   T72]      netlink_rcv_skb+0x130/0x360
[ 2357.893711][   T72]      netlink_unicast+0x449/0x710
[ 2357.893711][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2357.893711][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2357.893711][   T72]      ___sys_sendmsg+0xee/0x170
[ 2357.893711][   T72]      __sys_sendmsg+0xcd/0x170
[ 2357.893711][   T72]      do_syscall_64+0xc6/0x1e0
[ 2357.893711][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2357.893711][   T72] 
[ 2368.199949][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2368.200414][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2368.200414][   T72]      netdev_get_by_index+0x5e/0x80
[ 2368.200414][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2368.200414][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2368.200414][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2368.200414][   T72]      ipv6_add_addr+0x411/0x2000
[ 2368.200414][   T72]      inet6_addr_add+0x30e/0xa40
[ 2368.200414][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2368.200414][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.200414][   T72]      netlink_rcv_skb+0x130/0x360
[ 2368.200414][   T72]      netlink_unicast+0x449/0x710
[ 2368.200414][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2368.200414][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.200414][   T72]      ___sys_sendmsg+0xee/0x170
[ 2368.200414][   T72]      __sys_sendmsg+0xcd/0x170
[ 2368.200414][   T72]      do_syscall_64+0xc6/0x1e0
[ 2368.200414][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.200414][   T72] 
[ 2368.202479][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2368.202479][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2368.202479][   T72]      ipv6_find_idev+0x102/0x170
[ 2368.202479][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2368.202479][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.202479][   T72]      netlink_rcv_skb+0x130/0x360
[ 2368.202479][   T72]      netlink_unicast+0x449/0x710
[ 2368.202479][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2368.202479][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.202479][   T72]      ___sys_sendmsg+0xee/0x170
[ 2368.202479][   T72]      __sys_sendmsg+0xcd/0x170
[ 2368.202479][   T72]      do_syscall_64+0xc6/0x1e0
[ 2368.202479][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.202479][   T72] 
[ 2368.204069][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2368.204069][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2368.204069][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2368.204069][   T72]      ipv6_find_idev+0x102/0x170
[ 2368.204069][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2368.204069][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.204069][   T72]      netlink_rcv_skb+0x130/0x360
[ 2368.204069][   T72]      netlink_unicast+0x449/0x710
[ 2368.204069][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2368.204069][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.204069][   T72]      ___sys_sendmsg+0xee/0x170
[ 2368.204069][   T72]      __sys_sendmsg+0xcd/0x170
[ 2368.204069][   T72]      do_syscall_64+0xc6/0x1e0
[ 2368.204069][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.204069][   T72] 
[ 2368.205816][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2368.206084][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2368.206084][   T72]      netdev_get_by_index+0x5e/0x80
[ 2368.206084][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2368.206084][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2368.206084][   T72]      ip6_route_add+0x1c/0x140
[ 2368.206084][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2368.206084][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2368.206084][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2368.206084][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.206084][   T72]      netlink_rcv_skb+0x130/0x360
[ 2368.206084][   T72]      netlink_unicast+0x449/0x710
[ 2368.206084][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2368.206084][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.206084][   T72]      ___sys_sendmsg+0xee/0x170
[ 2368.206084][   T72]      __sys_sendmsg+0xcd/0x170
[ 2368.206084][   T72]      do_syscall_64+0xc6/0x1e0
[ 2368.206084][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.206084][   T72] 
[ 2368.208125][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2368.208125][   T72]      netdev_get_by_index+0x5e/0x80
[ 2368.208125][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2368.208125][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2368.208125][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2368.208125][   T72]      ipv6_add_addr+0x411/0x2000
[ 2368.208125][   T72]      inet6_addr_add+0x30e/0xa40
[ 2368.208125][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2368.208125][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.208125][   T72]      netlink_rcv_skb+0x130/0x360
[ 2368.208125][   T72]      netlink_unicast+0x449/0x710
[ 2368.208125][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2368.208125][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.208125][   T72]      ___sys_sendmsg+0xee/0x170
[ 2368.208125][   T72]      __sys_sendmsg+0xcd/0x170
[ 2368.208125][   T72]      do_syscall_64+0xc6/0x1e0
[ 2368.208125][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.208125][   T72] 
[ 2368.210167][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2368.210167][   T72]      netdev_get_by_index+0x5e/0x80
[ 2368.210167][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2368.210167][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2368.210167][   T72]      ip6_route_add+0x1c/0x140
[ 2368.210167][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2368.210167][   T72]      addrconf_add_dev+0xe2/0x170
[ 2368.210167][   T72]      inet6_addr_add+0x12f/0xa40
[ 2368.210167][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2368.210167][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.210167][   T72]      netlink_rcv_skb+0x130/0x360
[ 2368.210167][   T72]      netlink_unicast+0x449/0x710
[ 2368.210167][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2368.210167][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.210167][   T72]      ___sys_sendmsg+0xee/0x170
[ 2368.210167][   T72]      __sys_sendmsg+0xcd/0x170
[ 2368.210167][   T72]      do_syscall_64+0xc6/0x1e0
[ 2368.210167][   T72] 
[ 2368.212178][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2368.212178][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2368.212178][   T72]      ipv6_find_idev+0x102/0x170
[ 2368.212178][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2368.212178][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.212178][   T72]      netlink_rcv_skb+0x130/0x360
[ 2368.212178][   T72]      netlink_unicast+0x449/0x710
[ 2368.212178][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2368.212178][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.212178][   T72]      ___sys_sendmsg+0xee/0x170
[ 2368.212178][   T72]      __sys_sendmsg+0xcd/0x170
[ 2368.212178][   T72]      do_syscall_64+0xc6/0x1e0
[ 2368.212178][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.212178][   T72] 
[ 2368.213736][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2368.213736][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2368.213736][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2368.213736][   T72]      ipv6_find_idev+0x102/0x170
[ 2368.213736][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2368.213736][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2368.213736][   T72]      netlink_rcv_skb+0x130/0x360
[ 2368.213736][   T72]      netlink_unicast+0x449/0x710
[ 2368.213736][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2368.213736][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2368.213736][   T72]      ___sys_sendmsg+0xee/0x170
[ 2368.213736][   T72]      __sys_sendmsg+0xcd/0x170
[ 2368.213736][   T72]      do_syscall_64+0xc6/0x1e0
[ 2368.213736][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2368.213736][   T72] 
[ 2378.455816][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2378.456272][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2378.456272][   T72]      netdev_get_by_index+0x5e/0x80
[ 2378.456272][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2378.456272][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2378.456272][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2378.456272][   T72]      ipv6_add_addr+0x411/0x2000
[ 2378.456272][   T72]      inet6_addr_add+0x30e/0xa40
[ 2378.456272][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2378.456272][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.456272][   T72]      netlink_rcv_skb+0x130/0x360
[ 2378.456272][   T72]      netlink_unicast+0x449/0x710
[ 2378.456272][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2378.456272][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.456272][   T72]      ___sys_sendmsg+0xee/0x170
[ 2378.456272][   T72]      __sys_sendmsg+0xcd/0x170
[ 2378.456272][   T72]      do_syscall_64+0xc6/0x1e0
[ 2378.456272][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.456272][   T72] 
[ 2378.458345][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2378.458345][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2378.458345][   T72]      ipv6_find_idev+0x102/0x170
[ 2378.458345][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2378.458345][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.458345][   T72]      netlink_rcv_skb+0x130/0x360
[ 2378.458345][   T72]      netlink_unicast+0x449/0x710
[ 2378.458345][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2378.458345][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.458345][   T72]      ___sys_sendmsg+0xee/0x170
[ 2378.458345][   T72]      __sys_sendmsg+0xcd/0x170
[ 2378.458345][   T72]      do_syscall_64+0xc6/0x1e0
[ 2378.458345][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.458345][   T72] 
[ 2378.459911][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2378.459911][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2378.459911][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2378.459911][   T72]      ipv6_find_idev+0x102/0x170
[ 2378.459911][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2378.459911][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.459911][   T72]      netlink_rcv_skb+0x130/0x360
[ 2378.459911][   T72]      netlink_unicast+0x449/0x710
[ 2378.459911][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2378.459911][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.459911][   T72]      ___sys_sendmsg+0xee/0x170
[ 2378.459911][   T72]      __sys_sendmsg+0xcd/0x170
[ 2378.459911][   T72]      do_syscall_64+0xc6/0x1e0
[ 2378.459911][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.459911][   T72] 
[ 2378.461635][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2378.461902][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2378.461902][   T72]      netdev_get_by_index+0x5e/0x80
[ 2378.461902][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2378.461902][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2378.461902][   T72]      ip6_route_add+0x1c/0x140
[ 2378.461902][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2378.461902][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2378.461902][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2378.461902][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.461902][   T72]      netlink_rcv_skb+0x130/0x360
[ 2378.461902][   T72]      netlink_unicast+0x449/0x710
[ 2378.461902][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2378.461902][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.461902][   T72]      ___sys_sendmsg+0xee/0x170
[ 2378.461902][   T72]      __sys_sendmsg+0xcd/0x170
[ 2378.461902][   T72]      do_syscall_64+0xc6/0x1e0
[ 2378.461902][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.461902][   T72] 
[ 2378.463920][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2378.463920][   T72]      netdev_get_by_index+0x5e/0x80
[ 2378.463920][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2378.463920][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2378.463920][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2378.463920][   T72]      ipv6_add_addr+0x411/0x2000
[ 2378.463920][   T72]      inet6_addr_add+0x30e/0xa40
[ 2378.463920][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2378.463920][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.463920][   T72]      netlink_rcv_skb+0x130/0x360
[ 2378.463920][   T72]      netlink_unicast+0x449/0x710
[ 2378.463920][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2378.463920][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.463920][   T72]      ___sys_sendmsg+0xee/0x170
[ 2378.463920][   T72]      __sys_sendmsg+0xcd/0x170
[ 2378.463920][   T72]      do_syscall_64+0xc6/0x1e0
[ 2378.463920][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.463920][   T72] 
[ 2378.465962][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2378.465962][   T72]      netdev_get_by_index+0x5e/0x80
[ 2378.465962][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2378.465962][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2378.465962][   T72]      ip6_route_add+0x1c/0x140
[ 2378.465962][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2378.465962][   T72]      addrconf_add_dev+0xe2/0x170
[ 2378.465962][   T72]      inet6_addr_add+0x12f/0xa40
[ 2378.465962][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2378.465962][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.465962][   T72]      netlink_rcv_skb+0x130/0x360
[ 2378.465962][   T72]      netlink_unicast+0x449/0x710
[ 2378.465962][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2378.465962][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.465962][   T72]      ___sys_sendmsg+0xee/0x170
[ 2378.465962][   T72]      __sys_sendmsg+0xcd/0x170
[ 2378.465962][   T72]      do_syscall_64+0xc6/0x1e0
[ 2378.465962][   T72] 
[ 2378.467951][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2378.467951][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2378.467951][   T72]      ipv6_find_idev+0x102/0x170
[ 2378.467951][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2378.467951][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.467951][   T72]      netlink_rcv_skb+0x130/0x360
[ 2378.467951][   T72]      netlink_unicast+0x449/0x710
[ 2378.467951][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2378.467951][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.467951][   T72]      ___sys_sendmsg+0xee/0x170
[ 2378.467951][   T72]      __sys_sendmsg+0xcd/0x170
[ 2378.467951][   T72]      do_syscall_64+0xc6/0x1e0
[ 2378.467951][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.467951][   T72] 
[ 2378.469513][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2378.469513][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2378.469513][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2378.469513][   T72]      ipv6_find_idev+0x102/0x170
[ 2378.469513][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2378.469513][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2378.469513][   T72]      netlink_rcv_skb+0x130/0x360
[ 2378.469513][   T72]      netlink_unicast+0x449/0x710
[ 2378.469513][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2378.469513][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2378.469513][   T72]      ___sys_sendmsg+0xee/0x170
[ 2378.469513][   T72]      __sys_sendmsg+0xcd/0x170
[ 2378.469513][   T72]      do_syscall_64+0xc6/0x1e0
[ 2378.469513][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2378.469513][   T72] 
[ 2388.711911][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2388.712386][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2388.712386][   T72]      netdev_get_by_index+0x5e/0x80
[ 2388.712386][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2388.712386][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2388.712386][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2388.712386][   T72]      ipv6_add_addr+0x411/0x2000
[ 2388.712386][   T72]      inet6_addr_add+0x30e/0xa40
[ 2388.712386][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2388.712386][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.712386][   T72]      netlink_rcv_skb+0x130/0x360
[ 2388.712386][   T72]      netlink_unicast+0x449/0x710
[ 2388.712386][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2388.712386][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.712386][   T72]      ___sys_sendmsg+0xee/0x170
[ 2388.712386][   T72]      __sys_sendmsg+0xcd/0x170
[ 2388.712386][   T72]      do_syscall_64+0xc6/0x1e0
[ 2388.712386][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.712386][   T72] 
[ 2388.714850][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2388.714850][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2388.714850][   T72]      ipv6_find_idev+0x102/0x170
[ 2388.714850][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2388.714850][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.714850][   T72]      netlink_rcv_skb+0x130/0x360
[ 2388.714850][   T72]      netlink_unicast+0x449/0x710
[ 2388.714850][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2388.714850][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.714850][   T72]      ___sys_sendmsg+0xee/0x170
[ 2388.714850][   T72]      __sys_sendmsg+0xcd/0x170
[ 2388.714850][   T72]      do_syscall_64+0xc6/0x1e0
[ 2388.714850][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.714850][   T72] 
[ 2388.716416][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2388.716416][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2388.716416][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2388.716416][   T72]      ipv6_find_idev+0x102/0x170
[ 2388.716416][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2388.716416][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.716416][   T72]      netlink_rcv_skb+0x130/0x360
[ 2388.716416][   T72]      netlink_unicast+0x449/0x710
[ 2388.716416][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2388.716416][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.716416][   T72]      ___sys_sendmsg+0xee/0x170
[ 2388.716416][   T72]      __sys_sendmsg+0xcd/0x170
[ 2388.716416][   T72]      do_syscall_64+0xc6/0x1e0
[ 2388.716416][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.716416][   T72] 
[ 2388.718151][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2388.718401][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2388.718401][   T72]      netdev_get_by_index+0x5e/0x80
[ 2388.718401][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2388.718401][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2388.718401][   T72]      ip6_route_add+0x1c/0x140
[ 2388.718401][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2388.718401][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2388.718401][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2388.718401][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.718401][   T72]      netlink_rcv_skb+0x130/0x360
[ 2388.718401][   T72]      netlink_unicast+0x449/0x710
[ 2388.718401][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2388.718401][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.718401][   T72]      ___sys_sendmsg+0xee/0x170
[ 2388.718401][   T72]      __sys_sendmsg+0xcd/0x170
[ 2388.718401][   T72]      do_syscall_64+0xc6/0x1e0
[ 2388.718401][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.718401][   T72] 
[ 2388.720455][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2388.720455][   T72]      netdev_get_by_index+0x5e/0x80
[ 2388.720455][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2388.720455][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2388.720455][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2388.720455][   T72]      ipv6_add_addr+0x411/0x2000
[ 2388.720455][   T72]      inet6_addr_add+0x30e/0xa40
[ 2388.720455][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2388.720455][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.720455][   T72]      netlink_rcv_skb+0x130/0x360
[ 2388.720455][   T72]      netlink_unicast+0x449/0x710
[ 2388.720455][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2388.720455][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.720455][   T72]      ___sys_sendmsg+0xee/0x170
[ 2388.720455][   T72]      __sys_sendmsg+0xcd/0x170
[ 2388.720455][   T72]      do_syscall_64+0xc6/0x1e0
[ 2388.720455][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.720455][   T72] 
[ 2388.722481][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2388.722481][   T72]      netdev_get_by_index+0x5e/0x80
[ 2388.722481][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2388.722481][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2388.722481][   T72]      ip6_route_add+0x1c/0x140
[ 2388.722481][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2388.722481][   T72]      addrconf_add_dev+0xe2/0x170
[ 2388.722481][   T72]      inet6_addr_add+0x12f/0xa40
[ 2388.722481][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2388.722481][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.722481][   T72]      netlink_rcv_skb+0x130/0x360
[ 2388.722481][   T72]      netlink_unicast+0x449/0x710
[ 2388.722481][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2388.722481][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.722481][   T72]      ___sys_sendmsg+0xee/0x170
[ 2388.722481][   T72]      __sys_sendmsg+0xcd/0x170
[ 2388.722481][   T72]      do_syscall_64+0xc6/0x1e0
[ 2388.722481][   T72] 
[ 2388.724476][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2388.724476][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2388.724476][   T72]      ipv6_find_idev+0x102/0x170
[ 2388.724476][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2388.724476][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.724476][   T72]      netlink_rcv_skb+0x130/0x360
[ 2388.724476][   T72]      netlink_unicast+0x449/0x710
[ 2388.724476][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2388.724476][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.724476][   T72]      ___sys_sendmsg+0xee/0x170
[ 2388.724476][   T72]      __sys_sendmsg+0xcd/0x170
[ 2388.724476][   T72]      do_syscall_64+0xc6/0x1e0
[ 2388.724476][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.724476][   T72] 
[ 2388.726033][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2388.726033][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2388.726033][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2388.726033][   T72]      ipv6_find_idev+0x102/0x170
[ 2388.726033][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2388.726033][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2388.726033][   T72]      netlink_rcv_skb+0x130/0x360
[ 2388.726033][   T72]      netlink_unicast+0x449/0x710
[ 2388.726033][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2388.726033][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2388.726033][   T72]      ___sys_sendmsg+0xee/0x170
[ 2388.726033][   T72]      __sys_sendmsg+0xcd/0x170
[ 2388.726033][   T72]      do_syscall_64+0xc6/0x1e0
[ 2388.726033][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2388.726033][   T72] 
[ 2398.967890][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2398.968336][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2398.968336][   T72]      netdev_get_by_index+0x5e/0x80
[ 2398.968336][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2398.968336][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2398.968336][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2398.968336][   T72]      ipv6_add_addr+0x411/0x2000
[ 2398.968336][   T72]      inet6_addr_add+0x30e/0xa40
[ 2398.968336][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2398.968336][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.968336][   T72]      netlink_rcv_skb+0x130/0x360
[ 2398.968336][   T72]      netlink_unicast+0x449/0x710
[ 2398.968336][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2398.968336][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.968336][   T72]      ___sys_sendmsg+0xee/0x170
[ 2398.968336][   T72]      __sys_sendmsg+0xcd/0x170
[ 2398.968336][   T72]      do_syscall_64+0xc6/0x1e0
[ 2398.968336][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.968336][   T72] 
[ 2398.970414][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2398.970414][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2398.970414][   T72]      ipv6_find_idev+0x102/0x170
[ 2398.970414][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2398.970414][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.970414][   T72]      netlink_rcv_skb+0x130/0x360
[ 2398.970414][   T72]      netlink_unicast+0x449/0x710
[ 2398.970414][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2398.970414][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.970414][   T72]      ___sys_sendmsg+0xee/0x170
[ 2398.970414][   T72]      __sys_sendmsg+0xcd/0x170
[ 2398.970414][   T72]      do_syscall_64+0xc6/0x1e0
[ 2398.970414][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.970414][   T72] 
[ 2398.971979][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2398.971979][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2398.971979][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2398.971979][   T72]      ipv6_find_idev+0x102/0x170
[ 2398.971979][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2398.971979][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.971979][   T72]      netlink_rcv_skb+0x130/0x360
[ 2398.971979][   T72]      netlink_unicast+0x449/0x710
[ 2398.971979][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2398.971979][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.971979][   T72]      ___sys_sendmsg+0xee/0x170
[ 2398.971979][   T72]      __sys_sendmsg+0xcd/0x170
[ 2398.971979][   T72]      do_syscall_64+0xc6/0x1e0
[ 2398.971979][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.971979][   T72] 
[ 2398.973691][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2398.973955][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2398.973955][   T72]      netdev_get_by_index+0x5e/0x80
[ 2398.973955][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2398.973955][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2398.973955][   T72]      ip6_route_add+0x1c/0x140
[ 2398.973955][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2398.973955][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2398.973955][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2398.973955][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.973955][   T72]      netlink_rcv_skb+0x130/0x360
[ 2398.973955][   T72]      netlink_unicast+0x449/0x710
[ 2398.973955][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2398.973955][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.973955][   T72]      ___sys_sendmsg+0xee/0x170
[ 2398.973955][   T72]      __sys_sendmsg+0xcd/0x170
[ 2398.973955][   T72]      do_syscall_64+0xc6/0x1e0
[ 2398.973955][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.973955][   T72] 
[ 2398.976016][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2398.976016][   T72]      netdev_get_by_index+0x5e/0x80
[ 2398.976016][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2398.976016][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2398.976016][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2398.976016][   T72]      ipv6_add_addr+0x411/0x2000
[ 2398.976016][   T72]      inet6_addr_add+0x30e/0xa40
[ 2398.976016][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2398.976016][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.976016][   T72]      netlink_rcv_skb+0x130/0x360
[ 2398.976016][   T72]      netlink_unicast+0x449/0x710
[ 2398.976016][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2398.976016][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.976016][   T72]      ___sys_sendmsg+0xee/0x170
[ 2398.976016][   T72]      __sys_sendmsg+0xcd/0x170
[ 2398.976016][   T72]      do_syscall_64+0xc6/0x1e0
[ 2398.976016][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.976016][   T72] 
[ 2398.978077][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2398.978077][   T72]      netdev_get_by_index+0x5e/0x80
[ 2398.978077][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2398.978077][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2398.978077][   T72]      ip6_route_add+0x1c/0x140
[ 2398.978077][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2398.978077][   T72]      addrconf_add_dev+0xe2/0x170
[ 2398.978077][   T72]      inet6_addr_add+0x12f/0xa40
[ 2398.978077][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2398.978077][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.978077][   T72]      netlink_rcv_skb+0x130/0x360
[ 2398.978077][   T72]      netlink_unicast+0x449/0x710
[ 2398.978077][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2398.978077][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.978077][   T72]      ___sys_sendmsg+0xee/0x170
[ 2398.978077][   T72]      __sys_sendmsg+0xcd/0x170
[ 2398.978077][   T72]      do_syscall_64+0xc6/0x1e0
[ 2398.978077][   T72] 
[ 2398.980083][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2398.980083][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2398.980083][   T72]      ipv6_find_idev+0x102/0x170
[ 2398.980083][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2398.980083][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.980083][   T72]      netlink_rcv_skb+0x130/0x360
[ 2398.980083][   T72]      netlink_unicast+0x449/0x710
[ 2398.980083][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2398.980083][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.980083][   T72]      ___sys_sendmsg+0xee/0x170
[ 2398.980083][   T72]      __sys_sendmsg+0xcd/0x170
[ 2398.980083][   T72]      do_syscall_64+0xc6/0x1e0
[ 2398.980083][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.980083][   T72] 
[ 2398.981648][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2398.981648][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2398.981648][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2398.981648][   T72]      ipv6_find_idev+0x102/0x170
[ 2398.981648][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2398.981648][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2398.981648][   T72]      netlink_rcv_skb+0x130/0x360
[ 2398.981648][   T72]      netlink_unicast+0x449/0x710
[ 2398.981648][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2398.981648][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2398.981648][   T72]      ___sys_sendmsg+0xee/0x170
[ 2398.981648][   T72]      __sys_sendmsg+0xcd/0x170
[ 2398.981648][   T72]      do_syscall_64+0xc6/0x1e0
[ 2398.981648][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2398.981648][   T72] 
[ 2409.223866][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2409.224326][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2409.224326][   T72]      netdev_get_by_index+0x5e/0x80
[ 2409.224326][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2409.224326][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2409.224326][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2409.224326][   T72]      ipv6_add_addr+0x411/0x2000
[ 2409.224326][   T72]      inet6_addr_add+0x30e/0xa40
[ 2409.224326][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2409.224326][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.224326][   T72]      netlink_rcv_skb+0x130/0x360
[ 2409.224326][   T72]      netlink_unicast+0x449/0x710
[ 2409.224326][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2409.224326][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.224326][   T72]      ___sys_sendmsg+0xee/0x170
[ 2409.224326][   T72]      __sys_sendmsg+0xcd/0x170
[ 2409.224326][   T72]      do_syscall_64+0xc6/0x1e0
[ 2409.224326][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.224326][   T72] 
[ 2409.226403][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2409.226403][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2409.226403][   T72]      ipv6_find_idev+0x102/0x170
[ 2409.226403][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2409.226403][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.226403][   T72]      netlink_rcv_skb+0x130/0x360
[ 2409.226403][   T72]      netlink_unicast+0x449/0x710
[ 2409.226403][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2409.226403][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.226403][   T72]      ___sys_sendmsg+0xee/0x170
[ 2409.226403][   T72]      __sys_sendmsg+0xcd/0x170
[ 2409.226403][   T72]      do_syscall_64+0xc6/0x1e0
[ 2409.226403][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.226403][   T72] 
[ 2409.228001][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2409.228001][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2409.228001][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2409.228001][   T72]      ipv6_find_idev+0x102/0x170
[ 2409.228001][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2409.228001][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.228001][   T72]      netlink_rcv_skb+0x130/0x360
[ 2409.228001][   T72]      netlink_unicast+0x449/0x710
[ 2409.228001][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2409.228001][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.228001][   T72]      ___sys_sendmsg+0xee/0x170
[ 2409.228001][   T72]      __sys_sendmsg+0xcd/0x170
[ 2409.228001][   T72]      do_syscall_64+0xc6/0x1e0
[ 2409.228001][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.228001][   T72] 
[ 2409.229734][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2409.230005][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2409.230005][   T72]      netdev_get_by_index+0x5e/0x80
[ 2409.230005][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2409.230005][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2409.230005][   T72]      ip6_route_add+0x1c/0x140
[ 2409.230005][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2409.230005][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2409.230005][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2409.230005][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.230005][   T72]      netlink_rcv_skb+0x130/0x360
[ 2409.230005][   T72]      netlink_unicast+0x449/0x710
[ 2409.230005][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2409.230005][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.230005][   T72]      ___sys_sendmsg+0xee/0x170
[ 2409.230005][   T72]      __sys_sendmsg+0xcd/0x170
[ 2409.230005][   T72]      do_syscall_64+0xc6/0x1e0
[ 2409.230005][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.230005][   T72] 
[ 2409.232039][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2409.232039][   T72]      netdev_get_by_index+0x5e/0x80
[ 2409.232039][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2409.232039][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2409.232039][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2409.232039][   T72]      ipv6_add_addr+0x411/0x2000
[ 2409.232039][   T72]      inet6_addr_add+0x30e/0xa40
[ 2409.232039][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2409.232039][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.232039][   T72]      netlink_rcv_skb+0x130/0x360
[ 2409.232039][   T72]      netlink_unicast+0x449/0x710
[ 2409.232039][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2409.232039][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.232039][   T72]      ___sys_sendmsg+0xee/0x170
[ 2409.232039][   T72]      __sys_sendmsg+0xcd/0x170
[ 2409.232039][   T72]      do_syscall_64+0xc6/0x1e0
[ 2409.232039][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.232039][   T72] 
[ 2409.234071][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2409.234071][   T72]      netdev_get_by_index+0x5e/0x80
[ 2409.234071][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2409.234071][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2409.234071][   T72]      ip6_route_add+0x1c/0x140
[ 2409.234071][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2409.234071][   T72]      addrconf_add_dev+0xe2/0x170
[ 2409.234071][   T72]      inet6_addr_add+0x12f/0xa40
[ 2409.234071][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2409.234071][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.234071][   T72]      netlink_rcv_skb+0x130/0x360
[ 2409.234071][   T72]      netlink_unicast+0x449/0x710
[ 2409.234071][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2409.234071][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.234071][   T72]      ___sys_sendmsg+0xee/0x170
[ 2409.234071][   T72]      __sys_sendmsg+0xcd/0x170
[ 2409.234071][   T72]      do_syscall_64+0xc6/0x1e0
[ 2409.234071][   T72] 
[ 2409.236058][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2409.236058][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2409.236058][   T72]      ipv6_find_idev+0x102/0x170
[ 2409.236058][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2409.236058][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.236058][   T72]      netlink_rcv_skb+0x130/0x360
[ 2409.236058][   T72]      netlink_unicast+0x449/0x710
[ 2409.236058][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2409.236058][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.236058][   T72]      ___sys_sendmsg+0xee/0x170
[ 2409.236058][   T72]      __sys_sendmsg+0xcd/0x170
[ 2409.236058][   T72]      do_syscall_64+0xc6/0x1e0
[ 2409.236058][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.236058][   T72] 
[ 2409.238159][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2409.238159][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2409.238159][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2409.238159][   T72]      ipv6_find_idev+0x102/0x170
[ 2409.238159][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2409.238159][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2409.238159][   T72]      netlink_rcv_skb+0x130/0x360
[ 2409.238159][   T72]      netlink_unicast+0x449/0x710
[ 2409.238159][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2409.238159][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2409.238159][   T72]      ___sys_sendmsg+0xee/0x170
[ 2409.238159][   T72]      __sys_sendmsg+0xcd/0x170
[ 2409.238159][   T72]      do_syscall_64+0xc6/0x1e0
[ 2409.238159][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2409.238159][   T72] 
[ 2419.479866][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2419.480338][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2419.480338][   T72]      netdev_get_by_index+0x5e/0x80
[ 2419.480338][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2419.480338][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2419.480338][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2419.480338][   T72]      ipv6_add_addr+0x411/0x2000
[ 2419.480338][   T72]      inet6_addr_add+0x30e/0xa40
[ 2419.480338][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2419.480338][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.480338][   T72]      netlink_rcv_skb+0x130/0x360
[ 2419.480338][   T72]      netlink_unicast+0x449/0x710
[ 2419.480338][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2419.480338][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.480338][   T72]      ___sys_sendmsg+0xee/0x170
[ 2419.480338][   T72]      __sys_sendmsg+0xcd/0x170
[ 2419.480338][   T72]      do_syscall_64+0xc6/0x1e0
[ 2419.480338][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.480338][   T72] 
[ 2419.482393][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2419.482393][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2419.482393][   T72]      ipv6_find_idev+0x102/0x170
[ 2419.482393][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2419.482393][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.482393][   T72]      netlink_rcv_skb+0x130/0x360
[ 2419.482393][   T72]      netlink_unicast+0x449/0x710
[ 2419.482393][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2419.482393][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.482393][   T72]      ___sys_sendmsg+0xee/0x170
[ 2419.482393][   T72]      __sys_sendmsg+0xcd/0x170
[ 2419.482393][   T72]      do_syscall_64+0xc6/0x1e0
[ 2419.482393][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.482393][   T72] 
[ 2419.483964][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2419.483964][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2419.483964][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2419.483964][   T72]      ipv6_find_idev+0x102/0x170
[ 2419.483964][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2419.483964][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.483964][   T72]      netlink_rcv_skb+0x130/0x360
[ 2419.483964][   T72]      netlink_unicast+0x449/0x710
[ 2419.483964][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2419.483964][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.483964][   T72]      ___sys_sendmsg+0xee/0x170
[ 2419.483964][   T72]      __sys_sendmsg+0xcd/0x170
[ 2419.483964][   T72]      do_syscall_64+0xc6/0x1e0
[ 2419.483964][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.483964][   T72] 
[ 2419.485679][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2419.485944][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2419.485944][   T72]      netdev_get_by_index+0x5e/0x80
[ 2419.485944][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2419.485944][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2419.485944][   T72]      ip6_route_add+0x1c/0x140
[ 2419.485944][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2419.485944][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2419.485944][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2419.485944][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.485944][   T72]      netlink_rcv_skb+0x130/0x360
[ 2419.485944][   T72]      netlink_unicast+0x449/0x710
[ 2419.485944][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2419.485944][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.485944][   T72]      ___sys_sendmsg+0xee/0x170
[ 2419.485944][   T72]      __sys_sendmsg+0xcd/0x170
[ 2419.485944][   T72]      do_syscall_64+0xc6/0x1e0
[ 2419.485944][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.485944][   T72] 
[ 2419.487975][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2419.487975][   T72]      netdev_get_by_index+0x5e/0x80
[ 2419.487975][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2419.487975][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2419.487975][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2419.487975][   T72]      ipv6_add_addr+0x411/0x2000
[ 2419.487975][   T72]      inet6_addr_add+0x30e/0xa40
[ 2419.487975][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2419.487975][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.487975][   T72]      netlink_rcv_skb+0x130/0x360
[ 2419.487975][   T72]      netlink_unicast+0x449/0x710
[ 2419.487975][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2419.487975][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.487975][   T72]      ___sys_sendmsg+0xee/0x170
[ 2419.487975][   T72]      __sys_sendmsg+0xcd/0x170
[ 2419.487975][   T72]      do_syscall_64+0xc6/0x1e0
[ 2419.487975][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.487975][   T72] 
[ 2419.490008][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2419.490008][   T72]      netdev_get_by_index+0x5e/0x80
[ 2419.490008][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2419.490008][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2419.490008][   T72]      ip6_route_add+0x1c/0x140
[ 2419.490008][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2419.490008][   T72]      addrconf_add_dev+0xe2/0x170
[ 2419.490008][   T72]      inet6_addr_add+0x12f/0xa40
[ 2419.490008][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2419.490008][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.490008][   T72]      netlink_rcv_skb+0x130/0x360
[ 2419.490008][   T72]      netlink_unicast+0x449/0x710
[ 2419.490008][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2419.490008][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.490008][   T72]      ___sys_sendmsg+0xee/0x170
[ 2419.490008][   T72]      __sys_sendmsg+0xcd/0x170
[ 2419.490008][   T72]      do_syscall_64+0xc6/0x1e0
[ 2419.490008][   T72] 
[ 2419.491994][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2419.491994][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2419.491994][   T72]      ipv6_find_idev+0x102/0x170
[ 2419.491994][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2419.491994][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.491994][   T72]      netlink_rcv_skb+0x130/0x360
[ 2419.491994][   T72]      netlink_unicast+0x449/0x710
[ 2419.491994][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2419.491994][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.491994][   T72]      ___sys_sendmsg+0xee/0x170
[ 2419.491994][   T72]      __sys_sendmsg+0xcd/0x170
[ 2419.491994][   T72]      do_syscall_64+0xc6/0x1e0
[ 2419.491994][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.491994][   T72] 
[ 2419.493559][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2419.493559][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2419.493559][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2419.493559][   T72]      ipv6_find_idev+0x102/0x170
[ 2419.493559][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2419.493559][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2419.493559][   T72]      netlink_rcv_skb+0x130/0x360
[ 2419.493559][   T72]      netlink_unicast+0x449/0x710
[ 2419.493559][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2419.493559][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2419.493559][   T72]      ___sys_sendmsg+0xee/0x170
[ 2419.493559][   T72]      __sys_sendmsg+0xcd/0x170
[ 2419.493559][   T72]      do_syscall_64+0xc6/0x1e0
[ 2419.493559][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2419.493559][   T72] 
[ 2429.735867][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2429.736338][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2429.736338][   T72]      netdev_get_by_index+0x5e/0x80
[ 2429.736338][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2429.736338][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2429.736338][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2429.736338][   T72]      ipv6_add_addr+0x411/0x2000
[ 2429.736338][   T72]      inet6_addr_add+0x30e/0xa40
[ 2429.736338][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2429.736338][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.736338][   T72]      netlink_rcv_skb+0x130/0x360
[ 2429.736338][   T72]      netlink_unicast+0x449/0x710
[ 2429.736338][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2429.736338][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.736338][   T72]      ___sys_sendmsg+0xee/0x170
[ 2429.736338][   T72]      __sys_sendmsg+0xcd/0x170
[ 2429.736338][   T72]      do_syscall_64+0xc6/0x1e0
[ 2429.736338][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.736338][   T72] 
[ 2429.738399][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2429.738399][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2429.738399][   T72]      ipv6_find_idev+0x102/0x170
[ 2429.738399][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2429.738399][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.738399][   T72]      netlink_rcv_skb+0x130/0x360
[ 2429.738399][   T72]      netlink_unicast+0x449/0x710
[ 2429.738399][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2429.738399][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.738399][   T72]      ___sys_sendmsg+0xee/0x170
[ 2429.738399][   T72]      __sys_sendmsg+0xcd/0x170
[ 2429.738399][   T72]      do_syscall_64+0xc6/0x1e0
[ 2429.738399][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.738399][   T72] 
[ 2429.739971][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2429.739971][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2429.739971][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2429.739971][   T72]      ipv6_find_idev+0x102/0x170
[ 2429.739971][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2429.739971][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.739971][   T72]      netlink_rcv_skb+0x130/0x360
[ 2429.739971][   T72]      netlink_unicast+0x449/0x710
[ 2429.739971][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2429.739971][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.739971][   T72]      ___sys_sendmsg+0xee/0x170
[ 2429.739971][   T72]      __sys_sendmsg+0xcd/0x170
[ 2429.739971][   T72]      do_syscall_64+0xc6/0x1e0
[ 2429.739971][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.739971][   T72] 
[ 2429.741695][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2429.741966][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2429.741966][   T72]      netdev_get_by_index+0x5e/0x80
[ 2429.741966][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2429.741966][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2429.741966][   T72]      ip6_route_add+0x1c/0x140
[ 2429.741966][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2429.741966][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2429.741966][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2429.741966][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.741966][   T72]      netlink_rcv_skb+0x130/0x360
[ 2429.741966][   T72]      netlink_unicast+0x449/0x710
[ 2429.741966][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2429.741966][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.741966][   T72]      ___sys_sendmsg+0xee/0x170
[ 2429.741966][   T72]      __sys_sendmsg+0xcd/0x170
[ 2429.741966][   T72]      do_syscall_64+0xc6/0x1e0
[ 2429.741966][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.741966][   T72] 
[ 2429.744106][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2429.744106][   T72]      netdev_get_by_index+0x5e/0x80
[ 2429.744106][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2429.744106][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2429.744106][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2429.744106][   T72]      ipv6_add_addr+0x411/0x2000
[ 2429.744106][   T72]      inet6_addr_add+0x30e/0xa40
[ 2429.744106][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2429.744106][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.744106][   T72]      netlink_rcv_skb+0x130/0x360
[ 2429.744106][   T72]      netlink_unicast+0x449/0x710
[ 2429.744106][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2429.744106][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.744106][   T72]      ___sys_sendmsg+0xee/0x170
[ 2429.744106][   T72]      __sys_sendmsg+0xcd/0x170
[ 2429.744106][   T72]      do_syscall_64+0xc6/0x1e0
[ 2429.744106][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.744106][   T72] 
[ 2429.746137][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2429.746137][   T72]      netdev_get_by_index+0x5e/0x80
[ 2429.746137][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2429.746137][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2429.746137][   T72]      ip6_route_add+0x1c/0x140
[ 2429.746137][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2429.746137][   T72]      addrconf_add_dev+0xe2/0x170
[ 2429.746137][   T72]      inet6_addr_add+0x12f/0xa40
[ 2429.746137][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2429.746137][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.746137][   T72]      netlink_rcv_skb+0x130/0x360
[ 2429.746137][   T72]      netlink_unicast+0x449/0x710
[ 2429.746137][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2429.746137][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.746137][   T72]      ___sys_sendmsg+0xee/0x170
[ 2429.746137][   T72]      __sys_sendmsg+0xcd/0x170
[ 2429.746137][   T72]      do_syscall_64+0xc6/0x1e0
[ 2429.746137][   T72] 
[ 2429.748153][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2429.748153][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2429.748153][   T72]      ipv6_find_idev+0x102/0x170
[ 2429.748153][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2429.748153][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.748153][   T72]      netlink_rcv_skb+0x130/0x360
[ 2429.748153][   T72]      netlink_unicast+0x449/0x710
[ 2429.748153][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2429.748153][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.748153][   T72]      ___sys_sendmsg+0xee/0x170
[ 2429.748153][   T72]      __sys_sendmsg+0xcd/0x170
[ 2429.748153][   T72]      do_syscall_64+0xc6/0x1e0
[ 2429.748153][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.748153][   T72] 
[ 2429.749714][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2429.749714][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2429.749714][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2429.749714][   T72]      ipv6_find_idev+0x102/0x170
[ 2429.749714][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2429.749714][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2429.749714][   T72]      netlink_rcv_skb+0x130/0x360
[ 2429.749714][   T72]      netlink_unicast+0x449/0x710
[ 2429.749714][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2429.749714][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2429.749714][   T72]      ___sys_sendmsg+0xee/0x170
[ 2429.749714][   T72]      __sys_sendmsg+0xcd/0x170
[ 2429.749714][   T72]      do_syscall_64+0xc6/0x1e0
[ 2429.749714][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2429.749714][   T72] 
[ 2439.991899][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2439.992367][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2439.992367][   T72]      netdev_get_by_index+0x5e/0x80
[ 2439.992367][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2439.992367][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2439.992367][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2439.992367][   T72]      ipv6_add_addr+0x411/0x2000
[ 2439.992367][   T72]      inet6_addr_add+0x30e/0xa40
[ 2439.992367][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2439.992367][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.992367][   T72]      netlink_rcv_skb+0x130/0x360
[ 2439.992367][   T72]      netlink_unicast+0x449/0x710
[ 2439.992367][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2439.992367][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.992367][   T72]      ___sys_sendmsg+0xee/0x170
[ 2439.992367][   T72]      __sys_sendmsg+0xcd/0x170
[ 2439.992367][   T72]      do_syscall_64+0xc6/0x1e0
[ 2439.992367][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.992367][   T72] 
[ 2439.994484][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2439.994484][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2439.994484][   T72]      ipv6_find_idev+0x102/0x170
[ 2439.994484][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2439.994484][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.994484][   T72]      netlink_rcv_skb+0x130/0x360
[ 2439.994484][   T72]      netlink_unicast+0x449/0x710
[ 2439.994484][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2439.994484][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.994484][   T72]      ___sys_sendmsg+0xee/0x170
[ 2439.994484][   T72]      __sys_sendmsg+0xcd/0x170
[ 2439.994484][   T72]      do_syscall_64+0xc6/0x1e0
[ 2439.994484][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.994484][   T72] 
[ 2439.996075][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2439.996075][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2439.996075][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2439.996075][   T72]      ipv6_find_idev+0x102/0x170
[ 2439.996075][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2439.996075][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.996075][   T72]      netlink_rcv_skb+0x130/0x360
[ 2439.996075][   T72]      netlink_unicast+0x449/0x710
[ 2439.996075][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2439.996075][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.996075][   T72]      ___sys_sendmsg+0xee/0x170
[ 2439.996075][   T72]      __sys_sendmsg+0xcd/0x170
[ 2439.996075][   T72]      do_syscall_64+0xc6/0x1e0
[ 2439.996075][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.996075][   T72] 
[ 2439.997836][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2439.998094][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2439.998094][   T72]      netdev_get_by_index+0x5e/0x80
[ 2439.998094][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2439.998094][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2439.998094][   T72]      ip6_route_add+0x1c/0x140
[ 2439.998094][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2439.998094][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2439.998094][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2439.998094][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2439.998094][   T72]      netlink_rcv_skb+0x130/0x360
[ 2439.998094][   T72]      netlink_unicast+0x449/0x710
[ 2439.998094][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2439.998094][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2439.998094][   T72]      ___sys_sendmsg+0xee/0x170
[ 2439.998094][   T72]      __sys_sendmsg+0xcd/0x170
[ 2439.998094][   T72]      do_syscall_64+0xc6/0x1e0
[ 2439.998094][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2439.998094][   T72] 
[ 2440.000161][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2440.000161][   T72]      netdev_get_by_index+0x5e/0x80
[ 2440.000161][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2440.000161][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2440.000161][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2440.000161][   T72]      ipv6_add_addr+0x411/0x2000
[ 2440.000161][   T72]      inet6_addr_add+0x30e/0xa40
[ 2440.000161][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2440.000161][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2440.000161][   T72]      netlink_rcv_skb+0x130/0x360
[ 2440.000161][   T72]      netlink_unicast+0x449/0x710
[ 2440.000161][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2440.000161][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2440.000161][   T72]      ___sys_sendmsg+0xee/0x170
[ 2440.000161][   T72]      __sys_sendmsg+0xcd/0x170
[ 2440.000161][   T72]      do_syscall_64+0xc6/0x1e0
[ 2440.000161][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2440.000161][   T72] 
[ 2440.002232][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2440.002232][   T72]      netdev_get_by_index+0x5e/0x80
[ 2440.002232][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2440.002232][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2440.002232][   T72]      ip6_route_add+0x1c/0x140
[ 2440.002232][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2440.002232][   T72]      addrconf_add_dev+0xe2/0x170
[ 2440.002232][   T72]      inet6_addr_add+0x12f/0xa40
[ 2440.002232][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2440.002232][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2440.002232][   T72]      netlink_rcv_skb+0x130/0x360
[ 2440.002232][   T72]      netlink_unicast+0x449/0x710
[ 2440.002232][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2440.002232][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2440.002232][   T72]      ___sys_sendmsg+0xee/0x170
[ 2440.002232][   T72]      __sys_sendmsg+0xcd/0x170
[ 2440.002232][   T72]      do_syscall_64+0xc6/0x1e0
[ 2440.002232][   T72] 
[ 2440.004249][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2440.004249][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2440.004249][   T72]      ipv6_find_idev+0x102/0x170
[ 2440.004249][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2440.004249][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2440.004249][   T72]      netlink_rcv_skb+0x130/0x360
[ 2440.004249][   T72]      netlink_unicast+0x449/0x710
[ 2440.004249][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2440.004249][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2440.004249][   T72]      ___sys_sendmsg+0xee/0x170
[ 2440.004249][   T72]      __sys_sendmsg+0xcd/0x170
[ 2440.004249][   T72]      do_syscall_64+0xc6/0x1e0
[ 2440.004249][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2440.004249][   T72] 
[ 2440.005832][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2440.005832][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2440.005832][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2440.005832][   T72]      ipv6_find_idev+0x102/0x170
[ 2440.005832][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2440.005832][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2440.005832][   T72]      netlink_rcv_skb+0x130/0x360
[ 2440.005832][   T72]      netlink_unicast+0x449/0x710
[ 2440.005832][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2440.005832][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2440.005832][   T72]      ___sys_sendmsg+0xee/0x170
[ 2440.005832][   T72]      __sys_sendmsg+0xcd/0x170
[ 2440.005832][   T72]      do_syscall_64+0xc6/0x1e0
[ 2440.005832][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2440.005832][   T72] 
[ 2450.167869][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2450.168340][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2450.168340][   T72]      netdev_get_by_index+0x5e/0x80
[ 2450.168340][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2450.168340][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2450.168340][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2450.168340][   T72]      ipv6_add_addr+0x411/0x2000
[ 2450.168340][   T72]      inet6_addr_add+0x30e/0xa40
[ 2450.168340][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2450.168340][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.168340][   T72]      netlink_rcv_skb+0x130/0x360
[ 2450.168340][   T72]      netlink_unicast+0x449/0x710
[ 2450.168340][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2450.168340][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.168340][   T72]      ___sys_sendmsg+0xee/0x170
[ 2450.168340][   T72]      __sys_sendmsg+0xcd/0x170
[ 2450.168340][   T72]      do_syscall_64+0xc6/0x1e0
[ 2450.168340][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.168340][   T72] 
[ 2450.170443][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2450.170443][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2450.170443][   T72]      ipv6_find_idev+0x102/0x170
[ 2450.170443][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2450.170443][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.170443][   T72]      netlink_rcv_skb+0x130/0x360
[ 2450.170443][   T72]      netlink_unicast+0x449/0x710
[ 2450.170443][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2450.170443][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.170443][   T72]      ___sys_sendmsg+0xee/0x170
[ 2450.170443][   T72]      __sys_sendmsg+0xcd/0x170
[ 2450.170443][   T72]      do_syscall_64+0xc6/0x1e0
[ 2450.170443][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.170443][   T72] 
[ 2450.172027][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2450.172027][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2450.172027][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2450.172027][   T72]      ipv6_find_idev+0x102/0x170
[ 2450.172027][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2450.172027][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.172027][   T72]      netlink_rcv_skb+0x130/0x360
[ 2450.172027][   T72]      netlink_unicast+0x449/0x710
[ 2450.172027][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2450.172027][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.172027][   T72]      ___sys_sendmsg+0xee/0x170
[ 2450.172027][   T72]      __sys_sendmsg+0xcd/0x170
[ 2450.172027][   T72]      do_syscall_64+0xc6/0x1e0
[ 2450.172027][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.172027][   T72] 
[ 2450.173794][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2450.174081][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2450.174081][   T72]      netdev_get_by_index+0x5e/0x80
[ 2450.174081][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2450.174081][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2450.174081][   T72]      ip6_route_add+0x1c/0x140
[ 2450.174081][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2450.174081][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2450.174081][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2450.174081][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.174081][   T72]      netlink_rcv_skb+0x130/0x360
[ 2450.174081][   T72]      netlink_unicast+0x449/0x710
[ 2450.174081][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2450.174081][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.174081][   T72]      ___sys_sendmsg+0xee/0x170
[ 2450.174081][   T72]      __sys_sendmsg+0xcd/0x170
[ 2450.174081][   T72]      do_syscall_64+0xc6/0x1e0
[ 2450.174081][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.174081][   T72] 
[ 2450.176141][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2450.176141][   T72]      netdev_get_by_index+0x5e/0x80
[ 2450.176141][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2450.176141][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2450.176141][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2450.176141][   T72]      ipv6_add_addr+0x411/0x2000
[ 2450.176141][   T72]      inet6_addr_add+0x30e/0xa40
[ 2450.176141][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2450.176141][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.176141][   T72]      netlink_rcv_skb+0x130/0x360
[ 2450.176141][   T72]      netlink_unicast+0x449/0x710
[ 2450.176141][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2450.176141][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.176141][   T72]      ___sys_sendmsg+0xee/0x170
[ 2450.176141][   T72]      __sys_sendmsg+0xcd/0x170
[ 2450.176141][   T72]      do_syscall_64+0xc6/0x1e0
[ 2450.176141][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.176141][   T72] 
[ 2450.178208][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2450.178208][   T72]      netdev_get_by_index+0x5e/0x80
[ 2450.178208][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2450.178208][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2450.178208][   T72]      ip6_route_add+0x1c/0x140
[ 2450.178208][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2450.178208][   T72]      addrconf_add_dev+0xe2/0x170
[ 2450.178208][   T72]      inet6_addr_add+0x12f/0xa40
[ 2450.178208][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2450.178208][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.178208][   T72]      netlink_rcv_skb+0x130/0x360
[ 2450.178208][   T72]      netlink_unicast+0x449/0x710
[ 2450.178208][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2450.178208][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.178208][   T72]      ___sys_sendmsg+0xee/0x170
[ 2450.178208][   T72]      __sys_sendmsg+0xcd/0x170
[ 2450.178208][   T72]      do_syscall_64+0xc6/0x1e0
[ 2450.178208][   T72] 
[ 2450.180231][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2450.180231][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2450.180231][   T72]      ipv6_find_idev+0x102/0x170
[ 2450.180231][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2450.180231][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.180231][   T72]      netlink_rcv_skb+0x130/0x360
[ 2450.180231][   T72]      netlink_unicast+0x449/0x710
[ 2450.180231][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2450.180231][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.180231][   T72]      ___sys_sendmsg+0xee/0x170
[ 2450.180231][   T72]      __sys_sendmsg+0xcd/0x170
[ 2450.180231][   T72]      do_syscall_64+0xc6/0x1e0
[ 2450.180231][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.180231][   T72] 
[ 2450.181815][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2450.181815][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2450.181815][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2450.181815][   T72]      ipv6_find_idev+0x102/0x170
[ 2450.181815][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2450.181815][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2450.181815][   T72]      netlink_rcv_skb+0x130/0x360
[ 2450.181815][   T72]      netlink_unicast+0x449/0x710
[ 2450.181815][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2450.181815][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2450.181815][   T72]      ___sys_sendmsg+0xee/0x170
[ 2450.181815][   T72]      __sys_sendmsg+0xcd/0x170
[ 2450.181815][   T72]      do_syscall_64+0xc6/0x1e0
[ 2450.181815][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2450.181815][   T72] 
[ 2460.423812][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2460.424215][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2460.424215][   T72]      netdev_get_by_index+0x5e/0x80
[ 2460.424215][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2460.424215][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2460.424215][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2460.424215][   T72]      ipv6_add_addr+0x411/0x2000
[ 2460.424215][   T72]      inet6_addr_add+0x30e/0xa40
[ 2460.424215][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2460.424215][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.424215][   T72]      netlink_rcv_skb+0x130/0x360
[ 2460.424215][   T72]      netlink_unicast+0x449/0x710
[ 2460.424215][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2460.424215][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.424215][   T72]      ___sys_sendmsg+0xee/0x170
[ 2460.424215][   T72]      __sys_sendmsg+0xcd/0x170
[ 2460.424215][   T72]      do_syscall_64+0xc6/0x1e0
[ 2460.424215][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.424215][   T72] 
[ 2460.426288][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2460.426288][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2460.426288][   T72]      ipv6_find_idev+0x102/0x170
[ 2460.426288][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2460.426288][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.426288][   T72]      netlink_rcv_skb+0x130/0x360
[ 2460.426288][   T72]      netlink_unicast+0x449/0x710
[ 2460.426288][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2460.426288][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.426288][   T72]      ___sys_sendmsg+0xee/0x170
[ 2460.426288][   T72]      __sys_sendmsg+0xcd/0x170
[ 2460.426288][   T72]      do_syscall_64+0xc6/0x1e0
[ 2460.426288][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.426288][   T72] 
[ 2460.427870][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2460.427870][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2460.427870][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2460.427870][   T72]      ipv6_find_idev+0x102/0x170
[ 2460.427870][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2460.427870][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.427870][   T72]      netlink_rcv_skb+0x130/0x360
[ 2460.427870][   T72]      netlink_unicast+0x449/0x710
[ 2460.427870][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2460.427870][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.427870][   T72]      ___sys_sendmsg+0xee/0x170
[ 2460.427870][   T72]      __sys_sendmsg+0xcd/0x170
[ 2460.427870][   T72]      do_syscall_64+0xc6/0x1e0
[ 2460.427870][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.427870][   T72] 
[ 2460.429629][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2460.429915][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2460.429915][   T72]      netdev_get_by_index+0x5e/0x80
[ 2460.429915][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2460.429915][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2460.429915][   T72]      ip6_route_add+0x1c/0x140
[ 2460.429915][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2460.429915][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2460.429915][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2460.429915][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.429915][   T72]      netlink_rcv_skb+0x130/0x360
[ 2460.429915][   T72]      netlink_unicast+0x449/0x710
[ 2460.429915][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2460.429915][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.429915][   T72]      ___sys_sendmsg+0xee/0x170
[ 2460.429915][   T72]      __sys_sendmsg+0xcd/0x170
[ 2460.429915][   T72]      do_syscall_64+0xc6/0x1e0
[ 2460.429915][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.429915][   T72] 
[ 2460.431979][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2460.431979][   T72]      netdev_get_by_index+0x5e/0x80
[ 2460.431979][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2460.431979][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2460.431979][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2460.431979][   T72]      ipv6_add_addr+0x411/0x2000
[ 2460.431979][   T72]      inet6_addr_add+0x30e/0xa40
[ 2460.431979][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2460.431979][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.431979][   T72]      netlink_rcv_skb+0x130/0x360
[ 2460.431979][   T72]      netlink_unicast+0x449/0x710
[ 2460.431979][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2460.431979][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.431979][   T72]      ___sys_sendmsg+0xee/0x170
[ 2460.431979][   T72]      __sys_sendmsg+0xcd/0x170
[ 2460.431979][   T72]      do_syscall_64+0xc6/0x1e0
[ 2460.431979][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.431979][   T72] 
[ 2460.434032][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2460.434032][   T72]      netdev_get_by_index+0x5e/0x80
[ 2460.434032][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2460.434032][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2460.434032][   T72]      ip6_route_add+0x1c/0x140
[ 2460.434032][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2460.434032][   T72]      addrconf_add_dev+0xe2/0x170
[ 2460.434032][   T72]      inet6_addr_add+0x12f/0xa40
[ 2460.434032][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2460.434032][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.434032][   T72]      netlink_rcv_skb+0x130/0x360
[ 2460.434032][   T72]      netlink_unicast+0x449/0x710
[ 2460.434032][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2460.434032][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.434032][   T72]      ___sys_sendmsg+0xee/0x170
[ 2460.434032][   T72]      __sys_sendmsg+0xcd/0x170
[ 2460.434032][   T72]      do_syscall_64+0xc6/0x1e0
[ 2460.434032][   T72] 
[ 2460.436046][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2460.436046][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2460.436046][   T72]      ipv6_find_idev+0x102/0x170
[ 2460.436046][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2460.436046][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.436046][   T72]      netlink_rcv_skb+0x130/0x360
[ 2460.436046][   T72]      netlink_unicast+0x449/0x710
[ 2460.436046][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2460.436046][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.436046][   T72]      ___sys_sendmsg+0xee/0x170
[ 2460.436046][   T72]      __sys_sendmsg+0xcd/0x170
[ 2460.436046][   T72]      do_syscall_64+0xc6/0x1e0
[ 2460.436046][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.436046][   T72] 
[ 2460.437621][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2460.437621][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2460.437621][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2460.437621][   T72]      ipv6_find_idev+0x102/0x170
[ 2460.437621][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2460.437621][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2460.437621][   T72]      netlink_rcv_skb+0x130/0x360
[ 2460.437621][   T72]      netlink_unicast+0x449/0x710
[ 2460.437621][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2460.437621][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2460.437621][   T72]      ___sys_sendmsg+0xee/0x170
[ 2460.437621][   T72]      __sys_sendmsg+0xcd/0x170
[ 2460.437621][   T72]      do_syscall_64+0xc6/0x1e0
[ 2460.437621][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2460.437621][   T72] 
[ 2470.655866][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2470.656275][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2470.656275][   T72]      netdev_get_by_index+0x5e/0x80
[ 2470.656275][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2470.656275][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2470.656275][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2470.656275][   T72]      ipv6_add_addr+0x411/0x2000
[ 2470.656275][   T72]      inet6_addr_add+0x30e/0xa40
[ 2470.656275][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2470.656275][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.656275][   T72]      netlink_rcv_skb+0x130/0x360
[ 2470.656275][   T72]      netlink_unicast+0x449/0x710
[ 2470.656275][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2470.656275][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.656275][   T72]      ___sys_sendmsg+0xee/0x170
[ 2470.656275][   T72]      __sys_sendmsg+0xcd/0x170
[ 2470.656275][   T72]      do_syscall_64+0xc6/0x1e0
[ 2470.656275][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.656275][   T72] 
[ 2470.658446][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2470.658446][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2470.658446][   T72]      ipv6_find_idev+0x102/0x170
[ 2470.658446][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2470.658446][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.658446][   T72]      netlink_rcv_skb+0x130/0x360
[ 2470.658446][   T72]      netlink_unicast+0x449/0x710
[ 2470.658446][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2470.658446][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.658446][   T72]      ___sys_sendmsg+0xee/0x170
[ 2470.658446][   T72]      __sys_sendmsg+0xcd/0x170
[ 2470.658446][   T72]      do_syscall_64+0xc6/0x1e0
[ 2470.658446][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.658446][   T72] 
[ 2470.660051][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2470.660051][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2470.660051][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2470.660051][   T72]      ipv6_find_idev+0x102/0x170
[ 2470.660051][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2470.660051][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.660051][   T72]      netlink_rcv_skb+0x130/0x360
[ 2470.660051][   T72]      netlink_unicast+0x449/0x710
[ 2470.660051][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2470.660051][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.660051][   T72]      ___sys_sendmsg+0xee/0x170
[ 2470.660051][   T72]      __sys_sendmsg+0xcd/0x170
[ 2470.660051][   T72]      do_syscall_64+0xc6/0x1e0
[ 2470.660051][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.660051][   T72] 
[ 2470.661813][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2470.662064][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2470.662064][   T72]      netdev_get_by_index+0x5e/0x80
[ 2470.662064][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2470.662064][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2470.662064][   T72]      ip6_route_add+0x1c/0x140
[ 2470.662064][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2470.662064][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2470.662064][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2470.662064][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.662064][   T72]      netlink_rcv_skb+0x130/0x360
[ 2470.662064][   T72]      netlink_unicast+0x449/0x710
[ 2470.662064][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2470.662064][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.662064][   T72]      ___sys_sendmsg+0xee/0x170
[ 2470.662064][   T72]      __sys_sendmsg+0xcd/0x170
[ 2470.662064][   T72]      do_syscall_64+0xc6/0x1e0
[ 2470.662064][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.662064][   T72] 
[ 2470.664127][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2470.664127][   T72]      netdev_get_by_index+0x5e/0x80
[ 2470.664127][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2470.664127][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2470.664127][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2470.664127][   T72]      ipv6_add_addr+0x411/0x2000
[ 2470.664127][   T72]      inet6_addr_add+0x30e/0xa40
[ 2470.664127][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2470.664127][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.664127][   T72]      netlink_rcv_skb+0x130/0x360
[ 2470.664127][   T72]      netlink_unicast+0x449/0x710
[ 2470.664127][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2470.664127][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.664127][   T72]      ___sys_sendmsg+0xee/0x170
[ 2470.664127][   T72]      __sys_sendmsg+0xcd/0x170
[ 2470.664127][   T72]      do_syscall_64+0xc6/0x1e0
[ 2470.664127][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.664127][   T72] 
[ 2470.666179][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2470.666179][   T72]      netdev_get_by_index+0x5e/0x80
[ 2470.666179][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2470.666179][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2470.666179][   T72]      ip6_route_add+0x1c/0x140
[ 2470.666179][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2470.666179][   T72]      addrconf_add_dev+0xe2/0x170
[ 2470.666179][   T72]      inet6_addr_add+0x12f/0xa40
[ 2470.666179][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2470.666179][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.666179][   T72]      netlink_rcv_skb+0x130/0x360
[ 2470.666179][   T72]      netlink_unicast+0x449/0x710
[ 2470.666179][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2470.666179][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.666179][   T72]      ___sys_sendmsg+0xee/0x170
[ 2470.666179][   T72]      __sys_sendmsg+0xcd/0x170
[ 2470.666179][   T72]      do_syscall_64+0xc6/0x1e0
[ 2470.666179][   T72] 
[ 2470.668189][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2470.668189][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2470.668189][   T72]      ipv6_find_idev+0x102/0x170
[ 2470.668189][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2470.668189][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.668189][   T72]      netlink_rcv_skb+0x130/0x360
[ 2470.668189][   T72]      netlink_unicast+0x449/0x710
[ 2470.668189][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2470.668189][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.668189][   T72]      ___sys_sendmsg+0xee/0x170
[ 2470.668189][   T72]      __sys_sendmsg+0xcd/0x170
[ 2470.668189][   T72]      do_syscall_64+0xc6/0x1e0
[ 2470.668189][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.668189][   T72] 
[ 2470.669784][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2470.669784][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2470.669784][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2470.669784][   T72]      ipv6_find_idev+0x102/0x170
[ 2470.669784][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2470.669784][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2470.669784][   T72]      netlink_rcv_skb+0x130/0x360
[ 2470.669784][   T72]      netlink_unicast+0x449/0x710
[ 2470.669784][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2470.669784][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2470.669784][   T72]      ___sys_sendmsg+0xee/0x170
[ 2470.669784][   T72]      __sys_sendmsg+0xcd/0x170
[ 2470.669784][   T72]      do_syscall_64+0xc6/0x1e0
[ 2470.669784][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2470.669784][   T72] 
[ 2480.919867][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2480.920335][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2480.920335][   T72]      netdev_get_by_index+0x5e/0x80
[ 2480.920335][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2480.920335][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2480.920335][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2480.920335][   T72]      ipv6_add_addr+0x411/0x2000
[ 2480.920335][   T72]      inet6_addr_add+0x30e/0xa40
[ 2480.920335][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2480.920335][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.920335][   T72]      netlink_rcv_skb+0x130/0x360
[ 2480.920335][   T72]      netlink_unicast+0x449/0x710
[ 2480.920335][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2480.920335][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.920335][   T72]      ___sys_sendmsg+0xee/0x170
[ 2480.920335][   T72]      __sys_sendmsg+0xcd/0x170
[ 2480.920335][   T72]      do_syscall_64+0xc6/0x1e0
[ 2480.920335][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.920335][   T72] 
[ 2480.922417][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2480.922417][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2480.922417][   T72]      ipv6_find_idev+0x102/0x170
[ 2480.922417][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2480.922417][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.922417][   T72]      netlink_rcv_skb+0x130/0x360
[ 2480.922417][   T72]      netlink_unicast+0x449/0x710
[ 2480.922417][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2480.922417][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.922417][   T72]      ___sys_sendmsg+0xee/0x170
[ 2480.922417][   T72]      __sys_sendmsg+0xcd/0x170
[ 2480.922417][   T72]      do_syscall_64+0xc6/0x1e0
[ 2480.922417][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.922417][   T72] 
[ 2480.924007][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2480.924007][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2480.924007][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2480.924007][   T72]      ipv6_find_idev+0x102/0x170
[ 2480.924007][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2480.924007][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.924007][   T72]      netlink_rcv_skb+0x130/0x360
[ 2480.924007][   T72]      netlink_unicast+0x449/0x710
[ 2480.924007][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2480.924007][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.924007][   T72]      ___sys_sendmsg+0xee/0x170
[ 2480.924007][   T72]      __sys_sendmsg+0xcd/0x170
[ 2480.924007][   T72]      do_syscall_64+0xc6/0x1e0
[ 2480.924007][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.924007][   T72] 
[ 2480.925747][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2480.926019][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2480.926019][   T72]      netdev_get_by_index+0x5e/0x80
[ 2480.926019][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2480.926019][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2480.926019][   T72]      ip6_route_add+0x1c/0x140
[ 2480.926019][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2480.926019][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2480.926019][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2480.926019][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.926019][   T72]      netlink_rcv_skb+0x130/0x360
[ 2480.926019][   T72]      netlink_unicast+0x449/0x710
[ 2480.926019][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2480.926019][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.926019][   T72]      ___sys_sendmsg+0xee/0x170
[ 2480.926019][   T72]      __sys_sendmsg+0xcd/0x170
[ 2480.926019][   T72]      do_syscall_64+0xc6/0x1e0
[ 2480.926019][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.926019][   T72] 
[ 2480.928082][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2480.928082][   T72]      netdev_get_by_index+0x5e/0x80
[ 2480.928082][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2480.928082][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2480.928082][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2480.928082][   T72]      ipv6_add_addr+0x411/0x2000
[ 2480.928082][   T72]      inet6_addr_add+0x30e/0xa40
[ 2480.928082][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2480.928082][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.928082][   T72]      netlink_rcv_skb+0x130/0x360
[ 2480.928082][   T72]      netlink_unicast+0x449/0x710
[ 2480.928082][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2480.928082][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.928082][   T72]      ___sys_sendmsg+0xee/0x170
[ 2480.928082][   T72]      __sys_sendmsg+0xcd/0x170
[ 2480.928082][   T72]      do_syscall_64+0xc6/0x1e0
[ 2480.928082][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.928082][   T72] 
[ 2480.930158][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2480.930158][   T72]      netdev_get_by_index+0x5e/0x80
[ 2480.930158][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2480.930158][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2480.930158][   T72]      ip6_route_add+0x1c/0x140
[ 2480.930158][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2480.930158][   T72]      addrconf_add_dev+0xe2/0x170
[ 2480.930158][   T72]      inet6_addr_add+0x12f/0xa40
[ 2480.930158][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2480.930158][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.930158][   T72]      netlink_rcv_skb+0x130/0x360
[ 2480.930158][   T72]      netlink_unicast+0x449/0x710
[ 2480.930158][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2480.930158][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.930158][   T72]      ___sys_sendmsg+0xee/0x170
[ 2480.930158][   T72]      __sys_sendmsg+0xcd/0x170
[ 2480.930158][   T72]      do_syscall_64+0xc6/0x1e0
[ 2480.930158][   T72] 
[ 2480.932702][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2480.932702][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2480.932702][   T72]      ipv6_find_idev+0x102/0x170
[ 2480.932702][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2480.932702][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.932702][   T72]      netlink_rcv_skb+0x130/0x360
[ 2480.932702][   T72]      netlink_unicast+0x449/0x710
[ 2480.932702][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2480.932702][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.932702][   T72]      ___sys_sendmsg+0xee/0x170
[ 2480.932702][   T72]      __sys_sendmsg+0xcd/0x170
[ 2480.932702][   T72]      do_syscall_64+0xc6/0x1e0
[ 2480.932702][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.932702][   T72] 
[ 2480.934272][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2480.934272][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2480.934272][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2480.934272][   T72]      ipv6_find_idev+0x102/0x170
[ 2480.934272][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2480.934272][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2480.934272][   T72]      netlink_rcv_skb+0x130/0x360
[ 2480.934272][   T72]      netlink_unicast+0x449/0x710
[ 2480.934272][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2480.934272][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2480.934272][   T72]      ___sys_sendmsg+0xee/0x170
[ 2480.934272][   T72]      __sys_sendmsg+0xcd/0x170
[ 2480.934272][   T72]      do_syscall_64+0xc6/0x1e0
[ 2480.934272][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2480.934272][   T72] 
[ 2491.191914][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2491.192362][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2491.192362][   T72]      netdev_get_by_index+0x5e/0x80
[ 2491.192362][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2491.192362][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2491.192362][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2491.192362][   T72]      ipv6_add_addr+0x411/0x2000
[ 2491.192362][   T72]      inet6_addr_add+0x30e/0xa40
[ 2491.192362][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2491.192362][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.192362][   T72]      netlink_rcv_skb+0x130/0x360
[ 2491.192362][   T72]      netlink_unicast+0x449/0x710
[ 2491.192362][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2491.192362][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.192362][   T72]      ___sys_sendmsg+0xee/0x170
[ 2491.192362][   T72]      __sys_sendmsg+0xcd/0x170
[ 2491.192362][   T72]      do_syscall_64+0xc6/0x1e0
[ 2491.192362][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2491.192362][   T72] 
[ 2491.194420][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2491.194420][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2491.194420][   T72]      ipv6_find_idev+0x102/0x170
[ 2491.194420][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2491.194420][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.194420][   T72]      netlink_rcv_skb+0x130/0x360
[ 2491.194420][   T72]      netlink_unicast+0x449/0x710
[ 2491.194420][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2491.194420][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.194420][   T72]      ___sys_sendmsg+0xee/0x170
[ 2491.194420][   T72]      __sys_sendmsg+0xcd/0x170
[ 2491.194420][   T72]      do_syscall_64+0xc6/0x1e0
[ 2491.194420][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2491.194420][   T72] 
[ 2491.195981][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2491.195981][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2491.195981][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2491.195981][   T72]      ipv6_find_idev+0x102/0x170
[ 2491.195981][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2491.195981][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.195981][   T72]      netlink_rcv_skb+0x130/0x360
[ 2491.195981][   T72]      netlink_unicast+0x449/0x710
[ 2491.195981][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2491.195981][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.195981][   T72]      ___sys_sendmsg+0xee/0x170
[ 2491.195981][   T72]      __sys_sendmsg+0xcd/0x170
[ 2491.195981][   T72]      do_syscall_64+0xc6/0x1e0
[ 2491.195981][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2491.195981][   T72] 
[ 2491.197705][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2491.197971][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2491.197971][   T72]      netdev_get_by_index+0x5e/0x80
[ 2491.197971][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2491.197971][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2491.197971][   T72]      ip6_route_add+0x1c/0x140
[ 2491.197971][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2491.197971][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2491.197971][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2491.197971][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.197971][   T72]      netlink_rcv_skb+0x130/0x360
[ 2491.197971][   T72]      netlink_unicast+0x449/0x710
[ 2491.197971][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2491.197971][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.197971][   T72]      ___sys_sendmsg+0xee/0x170
[ 2491.197971][   T72]      __sys_sendmsg+0xcd/0x170
[ 2491.197971][   T72]      do_syscall_64+0xc6/0x1e0
[ 2491.197971][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2491.197971][   T72] 
[ 2491.200015][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2491.200015][   T72]      netdev_get_by_index+0x5e/0x80
[ 2491.200015][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2491.200015][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2491.200015][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2491.200015][   T72]      ipv6_add_addr+0x411/0x2000
[ 2491.200015][   T72]      inet6_addr_add+0x30e/0xa40
[ 2491.200015][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2491.200015][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.200015][   T72]      netlink_rcv_skb+0x130/0x360
[ 2491.200015][   T72]      netlink_unicast+0x449/0x710
[ 2491.200015][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2491.200015][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.200015][   T72]      ___sys_sendmsg+0xee/0x170
[ 2491.200015][   T72]      __sys_sendmsg+0xcd/0x170
[ 2491.200015][   T72]      do_syscall_64+0xc6/0x1e0
[ 2491.200015][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2491.200015][   T72] 
[ 2491.202040][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2491.202040][   T72]      netdev_get_by_index+0x5e/0x80
[ 2491.202040][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2491.202040][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2491.202040][   T72]      ip6_route_add+0x1c/0x140
[ 2491.202040][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2491.202040][   T72]      addrconf_add_dev+0xe2/0x170
[ 2491.202040][   T72]      inet6_addr_add+0x12f/0xa40
[ 2491.202040][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2491.202040][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.202040][   T72]      netlink_rcv_skb+0x130/0x360
[ 2491.202040][   T72]      netlink_unicast+0x449/0x710
[ 2491.202040][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2491.202040][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.202040][   T72]      ___sys_sendmsg+0xee/0x170
[ 2491.202040][   T72]      __sys_sendmsg+0xcd/0x170
[ 2491.202040][   T72]      do_syscall_64+0xc6/0x1e0
[ 2491.202040][   T72] 
[ 2491.204404][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2491.204404][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2491.204404][   T72]      ipv6_find_idev+0x102/0x170
[ 2491.204404][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2491.204404][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.204404][   T72]      netlink_rcv_skb+0x130/0x360
[ 2491.204404][   T72]      netlink_unicast+0x449/0x710
[ 2491.204404][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2491.204404][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.204404][   T72]      ___sys_sendmsg+0xee/0x170
[ 2491.204404][   T72]      __sys_sendmsg+0xcd/0x170
[ 2491.204404][   T72]      do_syscall_64+0xc6/0x1e0
[ 2491.204404][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2491.204404][   T72] 
[ 2491.205969][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2491.205969][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2491.205969][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2491.205969][   T72]      ipv6_find_idev+0x102/0x170
[ 2491.205969][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2491.205969][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2491.205969][   T72]      netlink_rcv_skb+0x130/0x360
[ 2491.205969][   T72]      netlink_unicast+0x449/0x710
[ 2491.205969][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2491.205969][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2491.205969][   T72]      ___sys_sendmsg+0xee/0x170
[ 2491.205969][   T72]      __sys_sendmsg+0xcd/0x170
[ 2491.205969][   T72]      do_syscall_64+0xc6/0x1e0
[ 2491.205969][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2491.205969][   T72] 
[ 2501.839891][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2501.840275][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2501.840275][   T72]      netdev_get_by_index+0x5e/0x80
[ 2501.840275][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2501.840275][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2501.840275][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2501.840275][   T72]      ipv6_add_addr+0x411/0x2000
[ 2501.840275][   T72]      inet6_addr_add+0x30e/0xa40
[ 2501.840275][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2501.840275][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.840275][   T72]      netlink_rcv_skb+0x130/0x360
[ 2501.840275][   T72]      netlink_unicast+0x449/0x710
[ 2501.840275][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2501.840275][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.840275][   T72]      ___sys_sendmsg+0xee/0x170
[ 2501.840275][   T72]      __sys_sendmsg+0xcd/0x170
[ 2501.840275][   T72]      do_syscall_64+0xc6/0x1e0
[ 2501.840275][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.840275][   T72] 
[ 2501.842452][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2501.842452][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2501.842452][   T72]      ipv6_find_idev+0x102/0x170
[ 2501.842452][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2501.842452][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.842452][   T72]      netlink_rcv_skb+0x130/0x360
[ 2501.842452][   T72]      netlink_unicast+0x449/0x710
[ 2501.842452][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2501.842452][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.842452][   T72]      ___sys_sendmsg+0xee/0x170
[ 2501.842452][   T72]      __sys_sendmsg+0xcd/0x170
[ 2501.842452][   T72]      do_syscall_64+0xc6/0x1e0
[ 2501.842452][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.842452][   T72] 
[ 2501.844023][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2501.844023][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2501.844023][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2501.844023][   T72]      ipv6_find_idev+0x102/0x170
[ 2501.844023][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2501.844023][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.844023][   T72]      netlink_rcv_skb+0x130/0x360
[ 2501.844023][   T72]      netlink_unicast+0x449/0x710
[ 2501.844023][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2501.844023][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.844023][   T72]      ___sys_sendmsg+0xee/0x170
[ 2501.844023][   T72]      __sys_sendmsg+0xcd/0x170
[ 2501.844023][   T72]      do_syscall_64+0xc6/0x1e0
[ 2501.844023][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.844023][   T72] 
[ 2501.845753][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2501.846021][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2501.846021][   T72]      netdev_get_by_index+0x5e/0x80
[ 2501.846021][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2501.846021][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2501.846021][   T72]      ip6_route_add+0x1c/0x140
[ 2501.846021][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2501.846021][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2501.846021][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2501.846021][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.846021][   T72]      netlink_rcv_skb+0x130/0x360
[ 2501.846021][   T72]      netlink_unicast+0x449/0x710
[ 2501.846021][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2501.846021][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.846021][   T72]      ___sys_sendmsg+0xee/0x170
[ 2501.846021][   T72]      __sys_sendmsg+0xcd/0x170
[ 2501.846021][   T72]      do_syscall_64+0xc6/0x1e0
[ 2501.846021][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.846021][   T72] 
[ 2501.848057][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2501.848057][   T72]      netdev_get_by_index+0x5e/0x80
[ 2501.848057][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2501.848057][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2501.848057][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2501.848057][   T72]      ipv6_add_addr+0x411/0x2000
[ 2501.848057][   T72]      inet6_addr_add+0x30e/0xa40
[ 2501.848057][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2501.848057][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.848057][   T72]      netlink_rcv_skb+0x130/0x360
[ 2501.848057][   T72]      netlink_unicast+0x449/0x710
[ 2501.848057][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2501.848057][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.848057][   T72]      ___sys_sendmsg+0xee/0x170
[ 2501.848057][   T72]      __sys_sendmsg+0xcd/0x170
[ 2501.848057][   T72]      do_syscall_64+0xc6/0x1e0
[ 2501.848057][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.848057][   T72] 
[ 2501.850114][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2501.850114][   T72]      netdev_get_by_index+0x5e/0x80
[ 2501.850114][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2501.850114][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2501.850114][   T72]      ip6_route_add+0x1c/0x140
[ 2501.850114][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2501.850114][   T72]      addrconf_add_dev+0xe2/0x170
[ 2501.850114][   T72]      inet6_addr_add+0x12f/0xa40
[ 2501.850114][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2501.850114][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.850114][   T72]      netlink_rcv_skb+0x130/0x360
[ 2501.850114][   T72]      netlink_unicast+0x449/0x710
[ 2501.850114][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2501.850114][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.850114][   T72]      ___sys_sendmsg+0xee/0x170
[ 2501.850114][   T72]      __sys_sendmsg+0xcd/0x170
[ 2501.850114][   T72]      do_syscall_64+0xc6/0x1e0
[ 2501.850114][   T72] 
[ 2501.852103][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2501.852103][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2501.852103][   T72]      ipv6_find_idev+0x102/0x170
[ 2501.852103][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2501.852103][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.852103][   T72]      netlink_rcv_skb+0x130/0x360
[ 2501.852103][   T72]      netlink_unicast+0x449/0x710
[ 2501.852103][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2501.852103][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.852103][   T72]      ___sys_sendmsg+0xee/0x170
[ 2501.852103][   T72]      __sys_sendmsg+0xcd/0x170
[ 2501.852103][   T72]      do_syscall_64+0xc6/0x1e0
[ 2501.852103][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.852103][   T72] 
[ 2501.853682][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2501.853682][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2501.853682][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2501.853682][   T72]      ipv6_find_idev+0x102/0x170
[ 2501.853682][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2501.853682][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2501.853682][   T72]      netlink_rcv_skb+0x130/0x360
[ 2501.853682][   T72]      netlink_unicast+0x449/0x710
[ 2501.853682][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2501.853682][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2501.853682][   T72]      ___sys_sendmsg+0xee/0x170
[ 2501.853682][   T72]      __sys_sendmsg+0xcd/0x170
[ 2501.853682][   T72]      do_syscall_64+0xc6/0x1e0
[ 2501.853682][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2501.853682][   T72] 
[ 2512.015894][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2512.016361][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2512.016361][   T72]      netdev_get_by_index+0x5e/0x80
[ 2512.016361][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2512.016361][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2512.016361][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2512.016361][   T72]      ipv6_add_addr+0x411/0x2000
[ 2512.016361][   T72]      inet6_addr_add+0x30e/0xa40
[ 2512.016361][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2512.016361][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2512.016361][   T72]      netlink_rcv_skb+0x130/0x360
[ 2512.016361][   T72]      netlink_unicast+0x449/0x710
[ 2512.016361][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2512.016361][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2512.016361][   T72]      ___sys_sendmsg+0xee/0x170
[ 2512.016361][   T72]      __sys_sendmsg+0xcd/0x170
[ 2512.016361][   T72]      do_syscall_64+0xc6/0x1e0
[ 2512.016361][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2512.016361][   T72] 
[ 2512.018420][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2512.018420][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2512.018420][   T72]      ipv6_find_idev+0x102/0x170
[ 2512.018420][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2512.018420][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2512.018420][   T72]      netlink_rcv_skb+0x130/0x360
[ 2512.018420][   T72]      netlink_unicast+0x449/0x710
[ 2512.018420][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2512.018420][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2512.018420][   T72]      ___sys_sendmsg+0xee/0x170
[ 2512.018420][   T72]      __sys_sendmsg+0xcd/0x170
[ 2512.018420][   T72]      do_syscall_64+0xc6/0x1e0
[ 2512.018420][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2512.018420][   T72] 
[ 2512.020005][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2512.020005][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2512.020005][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2512.020005][   T72]      ipv6_find_idev+0x102/0x170
[ 2512.020005][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2512.020005][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2512.020005][   T72]      netlink_rcv_skb+0x130/0x360
[ 2512.020005][   T72]      netlink_unicast+0x449/0x710
[ 2512.020005][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2512.020005][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2512.020005][   T72]      ___sys_sendmsg+0xee/0x170
[ 2512.020005][   T72]      __sys_sendmsg+0xcd/0x170
[ 2512.020005][   T72]      do_syscall_64+0xc6/0x1e0
[ 2512.020005][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2512.020005][   T72] 
[ 2512.021742][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2512.022007][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2512.022007][   T72]      netdev_get_by_index+0x5e/0x80
[ 2512.022007][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2512.022007][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2512.022007][   T72]      ip6_route_add+0x1c/0x140
[ 2512.022007][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2512.022007][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2512.022007][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2512.022007][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2512.022007][   T72]      netlink_rcv_skb+0x130/0x360
[ 2512.022007][   T72]      netlink_unicast+0x449/0x710
[ 2512.022007][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2512.022007][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2512.022007][   T72]      ___sys_sendmsg+0xee/0x170
[ 2512.022007][   T72]      __sys_sendmsg+0xcd/0x170
[ 2512.022007][   T72]      do_syscall_64+0xc6/0x1e0
[ 2512.022007][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2512.022007][   T72] 
[ 2512.024047][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2512.024047][   T72]      netdev_get_by_index+0x5e/0x80
[ 2512.024047][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2512.024047][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2512.024047][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2512.024047][   T72]      ipv6_add_addr+0x411/0x2000
[ 2512.024047][   T72]      inet6_addr_add+0x30e/0xa40
[ 2512.024047][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2512.024047][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2512.024047][   T72]      netlink_rcv_skb+0x130/0x360
[ 2512.024047][   T72]      netlink_unicast+0x449/0x710
[ 2512.024047][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2512.024047][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2512.024047][   T72]      ___sys_sendmsg+0xee/0x170
[ 2512.024047][   T72]      __sys_sendmsg+0xcd/0x170
[ 2512.024047][   T72]      do_syscall_64+0xc6/0x1e0
[ 2512.024047][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2512.024047][   T72] 
[ 2512.026097][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2512.026097][   T72]      netdev_get_by_index+0x5e/0x80
[ 2512.026097][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2512.026097][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2512.026097][   T72]      ip6_route_add+0x1c/0x140
[ 2512.026097][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2512.026097][   T72]      addrconf_add_dev+0xe2/0x170
[ 2512.026097][   T72]      inet6_addr_add+0x12f/0xa40
[ 2512.026097][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2512.026097][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2512.026097][   T72]      netlink_rcv_skb+0x130/0x360
[ 2512.026097][   T72]      netlink_unicast+0x449/0x710
[ 2512.026097][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2512.026097][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2512.026097][   T72]      ___sys_sendmsg+0xee/0x170
[ 2512.026097][   T72]      __sys_sendmsg+0xcd/0x170
[ 2512.026097][   T72]      do_syscall_64+0xc6/0x1e0
[ 2512.026097][   T72] 
[ 2512.028085][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2512.028085][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2512.028085][   T72]      ipv6_find_idev+0x102/0x170
[ 2512.028085][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2512.028085][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2512.028085][   T72]      netlink_rcv_skb+0x130/0x360
[ 2512.028085][   T72]      netlink_unicast+0x449/0x710
[ 2512.028085][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2512.028085][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2512.028085][   T72]      ___sys_sendmsg+0xee/0x170
[ 2512.028085][   T72]      __sys_sendmsg+0xcd/0x170
[ 2512.028085][   T72]      do_syscall_64+0xc6/0x1e0
[ 2512.028085][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2512.028085][   T72] 
[ 2512.029666][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2512.029666][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2512.029666][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2512.029666][   T72]      ipv6_find_idev+0x102/0x170
[ 2512.029666][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2512.029666][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2512.029666][   T72]      netlink_rcv_skb+0x130/0x360
[ 2512.029666][   T72]      netlink_unicast+0x449/0x710
[ 2512.029666][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2512.029666][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2512.029666][   T72]      ___sys_sendmsg+0xee/0x170
[ 2512.029666][   T72]      __sys_sendmsg+0xcd/0x170
[ 2512.029666][   T72]      do_syscall_64+0xc6/0x1e0
[ 2512.029666][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2512.029666][   T72] 
[ 2522.271869][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2522.272317][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2522.272317][   T72]      netdev_get_by_index+0x5e/0x80
[ 2522.272317][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2522.272317][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2522.272317][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2522.272317][   T72]      ipv6_add_addr+0x411/0x2000
[ 2522.272317][   T72]      inet6_addr_add+0x30e/0xa40
[ 2522.272317][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2522.272317][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.272317][   T72]      netlink_rcv_skb+0x130/0x360
[ 2522.272317][   T72]      netlink_unicast+0x449/0x710
[ 2522.272317][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2522.272317][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.272317][   T72]      ___sys_sendmsg+0xee/0x170
[ 2522.272317][   T72]      __sys_sendmsg+0xcd/0x170
[ 2522.272317][   T72]      do_syscall_64+0xc6/0x1e0
[ 2522.272317][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2522.272317][   T72] 
[ 2522.274399][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2522.274399][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2522.274399][   T72]      ipv6_find_idev+0x102/0x170
[ 2522.274399][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2522.274399][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.274399][   T72]      netlink_rcv_skb+0x130/0x360
[ 2522.274399][   T72]      netlink_unicast+0x449/0x710
[ 2522.274399][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2522.274399][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.274399][   T72]      ___sys_sendmsg+0xee/0x170
[ 2522.274399][   T72]      __sys_sendmsg+0xcd/0x170
[ 2522.274399][   T72]      do_syscall_64+0xc6/0x1e0
[ 2522.274399][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2522.274399][   T72] 
[ 2522.275968][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2522.275968][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2522.275968][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2522.275968][   T72]      ipv6_find_idev+0x102/0x170
[ 2522.275968][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2522.275968][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.275968][   T72]      netlink_rcv_skb+0x130/0x360
[ 2522.275968][   T72]      netlink_unicast+0x449/0x710
[ 2522.275968][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2522.275968][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.275968][   T72]      ___sys_sendmsg+0xee/0x170
[ 2522.275968][   T72]      __sys_sendmsg+0xcd/0x170
[ 2522.275968][   T72]      do_syscall_64+0xc6/0x1e0
[ 2522.275968][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2522.275968][   T72] 
[ 2522.277683][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2522.277950][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2522.277950][   T72]      netdev_get_by_index+0x5e/0x80
[ 2522.277950][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2522.277950][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2522.277950][   T72]      ip6_route_add+0x1c/0x140
[ 2522.277950][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2522.277950][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2522.277950][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2522.277950][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.277950][   T72]      netlink_rcv_skb+0x130/0x360
[ 2522.277950][   T72]      netlink_unicast+0x449/0x710
[ 2522.277950][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2522.277950][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.277950][   T72]      ___sys_sendmsg+0xee/0x170
[ 2522.277950][   T72]      __sys_sendmsg+0xcd/0x170
[ 2522.277950][   T72]      do_syscall_64+0xc6/0x1e0
[ 2522.277950][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2522.277950][   T72] 
[ 2522.279998][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2522.279998][   T72]      netdev_get_by_index+0x5e/0x80
[ 2522.279998][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2522.279998][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2522.279998][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2522.279998][   T72]      ipv6_add_addr+0x411/0x2000
[ 2522.279998][   T72]      inet6_addr_add+0x30e/0xa40
[ 2522.279998][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2522.279998][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.279998][   T72]      netlink_rcv_skb+0x130/0x360
[ 2522.279998][   T72]      netlink_unicast+0x449/0x710
[ 2522.279998][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2522.279998][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.279998][   T72]      ___sys_sendmsg+0xee/0x170
[ 2522.279998][   T72]      __sys_sendmsg+0xcd/0x170
[ 2522.279998][   T72]      do_syscall_64+0xc6/0x1e0
[ 2522.279998][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2522.279998][   T72] 
[ 2522.282031][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2522.282031][   T72]      netdev_get_by_index+0x5e/0x80
[ 2522.282031][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2522.282031][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2522.282031][   T72]      ip6_route_add+0x1c/0x140
[ 2522.282031][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2522.282031][   T72]      addrconf_add_dev+0xe2/0x170
[ 2522.282031][   T72]      inet6_addr_add+0x12f/0xa40
[ 2522.282031][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2522.282031][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.282031][   T72]      netlink_rcv_skb+0x130/0x360
[ 2522.282031][   T72]      netlink_unicast+0x449/0x710
[ 2522.282031][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2522.282031][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.282031][   T72]      ___sys_sendmsg+0xee/0x170
[ 2522.282031][   T72]      __sys_sendmsg+0xcd/0x170
[ 2522.282031][   T72]      do_syscall_64+0xc6/0x1e0
[ 2522.282031][   T72] 
[ 2522.284042][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2522.284042][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2522.284042][   T72]      ipv6_find_idev+0x102/0x170
[ 2522.284042][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2522.284042][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.284042][   T72]      netlink_rcv_skb+0x130/0x360
[ 2522.284042][   T72]      netlink_unicast+0x449/0x710
[ 2522.284042][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2522.284042][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.284042][   T72]      ___sys_sendmsg+0xee/0x170
[ 2522.284042][   T72]      __sys_sendmsg+0xcd/0x170
[ 2522.284042][   T72]      do_syscall_64+0xc6/0x1e0
[ 2522.284042][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2522.284042][   T72] 
[ 2522.285619][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2522.285619][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2522.285619][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2522.285619][   T72]      ipv6_find_idev+0x102/0x170
[ 2522.285619][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2522.285619][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2522.285619][   T72]      netlink_rcv_skb+0x130/0x360
[ 2522.285619][   T72]      netlink_unicast+0x449/0x710
[ 2522.285619][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2522.285619][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2522.285619][   T72]      ___sys_sendmsg+0xee/0x170
[ 2522.285619][   T72]      __sys_sendmsg+0xcd/0x170
[ 2522.285619][   T72]      do_syscall_64+0xc6/0x1e0
[ 2522.285619][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2522.285619][   T72] 
[ 2532.527910][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2532.528396][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2532.528396][   T72]      netdev_get_by_index+0x5e/0x80
[ 2532.528396][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2532.528396][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2532.528396][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2532.528396][   T72]      ipv6_add_addr+0x411/0x2000
[ 2532.528396][   T72]      inet6_addr_add+0x30e/0xa40
[ 2532.528396][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2532.528396][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.528396][   T72]      netlink_rcv_skb+0x130/0x360
[ 2532.528396][   T72]      netlink_unicast+0x449/0x710
[ 2532.528396][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2532.528396][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.528396][   T72]      ___sys_sendmsg+0xee/0x170
[ 2532.528396][   T72]      __sys_sendmsg+0xcd/0x170
[ 2532.528396][   T72]      do_syscall_64+0xc6/0x1e0
[ 2532.528396][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2532.528396][   T72] 
[ 2532.530474][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2532.530474][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2532.530474][   T72]      ipv6_find_idev+0x102/0x170
[ 2532.530474][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2532.530474][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.530474][   T72]      netlink_rcv_skb+0x130/0x360
[ 2532.530474][   T72]      netlink_unicast+0x449/0x710
[ 2532.530474][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2532.530474][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.530474][   T72]      ___sys_sendmsg+0xee/0x170
[ 2532.530474][   T72]      __sys_sendmsg+0xcd/0x170
[ 2532.530474][   T72]      do_syscall_64+0xc6/0x1e0
[ 2532.530474][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2532.530474][   T72] 
[ 2532.532050][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2532.532050][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2532.532050][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2532.532050][   T72]      ipv6_find_idev+0x102/0x170
[ 2532.532050][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2532.532050][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.532050][   T72]      netlink_rcv_skb+0x130/0x360
[ 2532.532050][   T72]      netlink_unicast+0x449/0x710
[ 2532.532050][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2532.532050][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.532050][   T72]      ___sys_sendmsg+0xee/0x170
[ 2532.532050][   T72]      __sys_sendmsg+0xcd/0x170
[ 2532.532050][   T72]      do_syscall_64+0xc6/0x1e0
[ 2532.532050][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2532.532050][   T72] 
[ 2532.533756][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2532.534014][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2532.534014][   T72]      netdev_get_by_index+0x5e/0x80
[ 2532.534014][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2532.534014][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2532.534014][   T72]      ip6_route_add+0x1c/0x140
[ 2532.534014][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2532.534014][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2532.534014][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2532.534014][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.534014][   T72]      netlink_rcv_skb+0x130/0x360
[ 2532.534014][   T72]      netlink_unicast+0x449/0x710
[ 2532.534014][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2532.534014][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.534014][   T72]      ___sys_sendmsg+0xee/0x170
[ 2532.534014][   T72]      __sys_sendmsg+0xcd/0x170
[ 2532.534014][   T72]      do_syscall_64+0xc6/0x1e0
[ 2532.534014][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2532.534014][   T72] 
[ 2532.536051][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2532.536051][   T72]      netdev_get_by_index+0x5e/0x80
[ 2532.536051][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2532.536051][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2532.536051][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2532.536051][   T72]      ipv6_add_addr+0x411/0x2000
[ 2532.536051][   T72]      inet6_addr_add+0x30e/0xa40
[ 2532.536051][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2532.536051][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.536051][   T72]      netlink_rcv_skb+0x130/0x360
[ 2532.536051][   T72]      netlink_unicast+0x449/0x710
[ 2532.536051][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2532.536051][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.536051][   T72]      ___sys_sendmsg+0xee/0x170
[ 2532.536051][   T72]      __sys_sendmsg+0xcd/0x170
[ 2532.536051][   T72]      do_syscall_64+0xc6/0x1e0
[ 2532.536051][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2532.536051][   T72] 
[ 2532.538080][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2532.538080][   T72]      netdev_get_by_index+0x5e/0x80
[ 2532.538080][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2532.538080][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2532.538080][   T72]      ip6_route_add+0x1c/0x140
[ 2532.538080][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2532.538080][   T72]      addrconf_add_dev+0xe2/0x170
[ 2532.538080][   T72]      inet6_addr_add+0x12f/0xa40
[ 2532.538080][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2532.538080][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.538080][   T72]      netlink_rcv_skb+0x130/0x360
[ 2532.538080][   T72]      netlink_unicast+0x449/0x710
[ 2532.538080][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2532.538080][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.538080][   T72]      ___sys_sendmsg+0xee/0x170
[ 2532.538080][   T72]      __sys_sendmsg+0xcd/0x170
[ 2532.538080][   T72]      do_syscall_64+0xc6/0x1e0
[ 2532.538080][   T72] 
[ 2532.540079][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2532.540079][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2532.540079][   T72]      ipv6_find_idev+0x102/0x170
[ 2532.540079][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2532.540079][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.540079][   T72]      netlink_rcv_skb+0x130/0x360
[ 2532.540079][   T72]      netlink_unicast+0x449/0x710
[ 2532.540079][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2532.540079][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.540079][   T72]      ___sys_sendmsg+0xee/0x170
[ 2532.540079][   T72]      __sys_sendmsg+0xcd/0x170
[ 2532.540079][   T72]      do_syscall_64+0xc6/0x1e0
[ 2532.540079][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2532.540079][   T72] 
[ 2532.541637][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2532.541637][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2532.541637][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2532.541637][   T72]      ipv6_find_idev+0x102/0x170
[ 2532.541637][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2532.541637][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2532.541637][   T72]      netlink_rcv_skb+0x130/0x360
[ 2532.541637][   T72]      netlink_unicast+0x449/0x710
[ 2532.541637][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2532.541637][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2532.541637][   T72]      ___sys_sendmsg+0xee/0x170
[ 2532.541637][   T72]      __sys_sendmsg+0xcd/0x170
[ 2532.541637][   T72]      do_syscall_64+0xc6/0x1e0
[ 2532.541637][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2532.541637][   T72] 
[ 2542.783875][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2542.784329][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2542.784329][   T72]      netdev_get_by_index+0x5e/0x80
[ 2542.784329][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2542.784329][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2542.784329][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2542.784329][   T72]      ipv6_add_addr+0x411/0x2000
[ 2542.784329][   T72]      inet6_addr_add+0x30e/0xa40
[ 2542.784329][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2542.784329][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.784329][   T72]      netlink_rcv_skb+0x130/0x360
[ 2542.784329][   T72]      netlink_unicast+0x449/0x710
[ 2542.784329][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2542.784329][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.784329][   T72]      ___sys_sendmsg+0xee/0x170
[ 2542.784329][   T72]      __sys_sendmsg+0xcd/0x170
[ 2542.784329][   T72]      do_syscall_64+0xc6/0x1e0
[ 2542.784329][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.784329][   T72] 
[ 2542.786388][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2542.786388][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2542.786388][   T72]      ipv6_find_idev+0x102/0x170
[ 2542.786388][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2542.786388][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.786388][   T72]      netlink_rcv_skb+0x130/0x360
[ 2542.786388][   T72]      netlink_unicast+0x449/0x710
[ 2542.786388][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2542.786388][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.786388][   T72]      ___sys_sendmsg+0xee/0x170
[ 2542.786388][   T72]      __sys_sendmsg+0xcd/0x170
[ 2542.786388][   T72]      do_syscall_64+0xc6/0x1e0
[ 2542.786388][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.786388][   T72] 
[ 2542.787955][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2542.787955][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2542.787955][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2542.787955][   T72]      ipv6_find_idev+0x102/0x170
[ 2542.787955][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2542.787955][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.787955][   T72]      netlink_rcv_skb+0x130/0x360
[ 2542.787955][   T72]      netlink_unicast+0x449/0x710
[ 2542.787955][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2542.787955][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.787955][   T72]      ___sys_sendmsg+0xee/0x170
[ 2542.787955][   T72]      __sys_sendmsg+0xcd/0x170
[ 2542.787955][   T72]      do_syscall_64+0xc6/0x1e0
[ 2542.787955][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.787955][   T72] 
[ 2542.789679][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2542.789954][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2542.789954][   T72]      netdev_get_by_index+0x5e/0x80
[ 2542.789954][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2542.789954][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2542.789954][   T72]      ip6_route_add+0x1c/0x140
[ 2542.789954][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2542.789954][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2542.789954][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2542.789954][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.789954][   T72]      netlink_rcv_skb+0x130/0x360
[ 2542.789954][   T72]      netlink_unicast+0x449/0x710
[ 2542.789954][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2542.789954][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.789954][   T72]      ___sys_sendmsg+0xee/0x170
[ 2542.789954][   T72]      __sys_sendmsg+0xcd/0x170
[ 2542.789954][   T72]      do_syscall_64+0xc6/0x1e0
[ 2542.789954][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.789954][   T72] 
[ 2542.791984][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2542.791984][   T72]      netdev_get_by_index+0x5e/0x80
[ 2542.791984][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2542.791984][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2542.791984][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2542.791984][   T72]      ipv6_add_addr+0x411/0x2000
[ 2542.791984][   T72]      inet6_addr_add+0x30e/0xa40
[ 2542.791984][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2542.791984][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.791984][   T72]      netlink_rcv_skb+0x130/0x360
[ 2542.791984][   T72]      netlink_unicast+0x449/0x710
[ 2542.791984][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2542.791984][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.791984][   T72]      ___sys_sendmsg+0xee/0x170
[ 2542.791984][   T72]      __sys_sendmsg+0xcd/0x170
[ 2542.791984][   T72]      do_syscall_64+0xc6/0x1e0
[ 2542.791984][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.791984][   T72] 
[ 2542.794022][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2542.794022][   T72]      netdev_get_by_index+0x5e/0x80
[ 2542.794022][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2542.794022][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2542.794022][   T72]      ip6_route_add+0x1c/0x140
[ 2542.794022][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2542.794022][   T72]      addrconf_add_dev+0xe2/0x170
[ 2542.794022][   T72]      inet6_addr_add+0x12f/0xa40
[ 2542.794022][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2542.794022][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.794022][   T72]      netlink_rcv_skb+0x130/0x360
[ 2542.794022][   T72]      netlink_unicast+0x449/0x710
[ 2542.794022][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2542.794022][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.794022][   T72]      ___sys_sendmsg+0xee/0x170
[ 2542.794022][   T72]      __sys_sendmsg+0xcd/0x170
[ 2542.794022][   T72]      do_syscall_64+0xc6/0x1e0
[ 2542.794022][   T72] 
[ 2542.796010][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2542.796010][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2542.796010][   T72]      ipv6_find_idev+0x102/0x170
[ 2542.796010][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2542.796010][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.796010][   T72]      netlink_rcv_skb+0x130/0x360
[ 2542.796010][   T72]      netlink_unicast+0x449/0x710
[ 2542.796010][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2542.796010][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.796010][   T72]      ___sys_sendmsg+0xee/0x170
[ 2542.796010][   T72]      __sys_sendmsg+0xcd/0x170
[ 2542.796010][   T72]      do_syscall_64+0xc6/0x1e0
[ 2542.796010][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.796010][   T72] 
[ 2542.797574][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2542.797574][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2542.797574][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2542.797574][   T72]      ipv6_find_idev+0x102/0x170
[ 2542.797574][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2542.797574][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2542.797574][   T72]      netlink_rcv_skb+0x130/0x360
[ 2542.797574][   T72]      netlink_unicast+0x449/0x710
[ 2542.797574][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2542.797574][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2542.797574][   T72]      ___sys_sendmsg+0xee/0x170
[ 2542.797574][   T72]      __sys_sendmsg+0xcd/0x170
[ 2542.797574][   T72]      do_syscall_64+0xc6/0x1e0
[ 2542.797574][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2542.797574][   T72] 
[ 2552.823904][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2552.824285][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2552.824285][   T72]      netdev_get_by_index+0x5e/0x80
[ 2552.824285][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2552.824285][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2552.824285][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2552.824285][   T72]      ipv6_add_addr+0x411/0x2000
[ 2552.824285][   T72]      inet6_addr_add+0x30e/0xa40
[ 2552.824285][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2552.824285][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.824285][   T72]      netlink_rcv_skb+0x130/0x360
[ 2552.824285][   T72]      netlink_unicast+0x449/0x710
[ 2552.824285][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2552.824285][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.824285][   T72]      ___sys_sendmsg+0xee/0x170
[ 2552.824285][   T72]      __sys_sendmsg+0xcd/0x170
[ 2552.824285][   T72]      do_syscall_64+0xc6/0x1e0
[ 2552.824285][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.824285][   T72] 
[ 2552.826352][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2552.826352][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2552.826352][   T72]      ipv6_find_idev+0x102/0x170
[ 2552.826352][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2552.826352][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.826352][   T72]      netlink_rcv_skb+0x130/0x360
[ 2552.826352][   T72]      netlink_unicast+0x449/0x710
[ 2552.826352][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2552.826352][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.826352][   T72]      ___sys_sendmsg+0xee/0x170
[ 2552.826352][   T72]      __sys_sendmsg+0xcd/0x170
[ 2552.826352][   T72]      do_syscall_64+0xc6/0x1e0
[ 2552.826352][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.826352][   T72] 
[ 2552.827923][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2552.827923][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2552.827923][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2552.827923][   T72]      ipv6_find_idev+0x102/0x170
[ 2552.827923][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2552.827923][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.827923][   T72]      netlink_rcv_skb+0x130/0x360
[ 2552.827923][   T72]      netlink_unicast+0x449/0x710
[ 2552.827923][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2552.827923][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.827923][   T72]      ___sys_sendmsg+0xee/0x170
[ 2552.827923][   T72]      __sys_sendmsg+0xcd/0x170
[ 2552.827923][   T72]      do_syscall_64+0xc6/0x1e0
[ 2552.827923][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.827923][   T72] 
[ 2552.829656][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2552.829924][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2552.829924][   T72]      netdev_get_by_index+0x5e/0x80
[ 2552.829924][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2552.829924][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2552.829924][   T72]      ip6_route_add+0x1c/0x140
[ 2552.829924][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2552.829924][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2552.829924][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2552.829924][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.829924][   T72]      netlink_rcv_skb+0x130/0x360
[ 2552.829924][   T72]      netlink_unicast+0x449/0x710
[ 2552.829924][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2552.829924][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.829924][   T72]      ___sys_sendmsg+0xee/0x170
[ 2552.829924][   T72]      __sys_sendmsg+0xcd/0x170
[ 2552.829924][   T72]      do_syscall_64+0xc6/0x1e0
[ 2552.829924][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.829924][   T72] 
[ 2552.831972][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2552.831972][   T72]      netdev_get_by_index+0x5e/0x80
[ 2552.831972][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2552.831972][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2552.831972][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2552.831972][   T72]      ipv6_add_addr+0x411/0x2000
[ 2552.831972][   T72]      inet6_addr_add+0x30e/0xa40
[ 2552.831972][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2552.831972][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.831972][   T72]      netlink_rcv_skb+0x130/0x360
[ 2552.831972][   T72]      netlink_unicast+0x449/0x710
[ 2552.831972][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2552.831972][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.831972][   T72]      ___sys_sendmsg+0xee/0x170
[ 2552.831972][   T72]      __sys_sendmsg+0xcd/0x170
[ 2552.831972][   T72]      do_syscall_64+0xc6/0x1e0
[ 2552.831972][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.831972][   T72] 
[ 2552.834023][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2552.834023][   T72]      netdev_get_by_index+0x5e/0x80
[ 2552.834023][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2552.834023][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2552.834023][   T72]      ip6_route_add+0x1c/0x140
[ 2552.834023][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2552.834023][   T72]      addrconf_add_dev+0xe2/0x170
[ 2552.834023][   T72]      inet6_addr_add+0x12f/0xa40
[ 2552.834023][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2552.834023][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.834023][   T72]      netlink_rcv_skb+0x130/0x360
[ 2552.834023][   T72]      netlink_unicast+0x449/0x710
[ 2552.834023][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2552.834023][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.834023][   T72]      ___sys_sendmsg+0xee/0x170
[ 2552.834023][   T72]      __sys_sendmsg+0xcd/0x170
[ 2552.834023][   T72]      do_syscall_64+0xc6/0x1e0
[ 2552.834023][   T72] 
[ 2552.836021][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2552.836021][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2552.836021][   T72]      ipv6_find_idev+0x102/0x170
[ 2552.836021][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2552.836021][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.836021][   T72]      netlink_rcv_skb+0x130/0x360
[ 2552.836021][   T72]      netlink_unicast+0x449/0x710
[ 2552.836021][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2552.836021][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.836021][   T72]      ___sys_sendmsg+0xee/0x170
[ 2552.836021][   T72]      __sys_sendmsg+0xcd/0x170
[ 2552.836021][   T72]      do_syscall_64+0xc6/0x1e0
[ 2552.836021][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.836021][   T72] 
[ 2552.837580][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2552.837580][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2552.837580][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2552.837580][   T72]      ipv6_find_idev+0x102/0x170
[ 2552.837580][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2552.837580][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2552.837580][   T72]      netlink_rcv_skb+0x130/0x360
[ 2552.837580][   T72]      netlink_unicast+0x449/0x710
[ 2552.837580][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2552.837580][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2552.837580][   T72]      ___sys_sendmsg+0xee/0x170
[ 2552.837580][   T72]      __sys_sendmsg+0xcd/0x170
[ 2552.837580][   T72]      do_syscall_64+0xc6/0x1e0
[ 2552.837580][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2552.837580][   T72] 
[ 2562.903905][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2562.904300][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2562.904300][   T72]      netdev_get_by_index+0x5e/0x80
[ 2562.904300][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2562.904300][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2562.904300][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2562.904300][   T72]      ipv6_add_addr+0x411/0x2000
[ 2562.904300][   T72]      inet6_addr_add+0x30e/0xa40
[ 2562.904300][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2562.904300][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.904300][   T72]      netlink_rcv_skb+0x130/0x360
[ 2562.904300][   T72]      netlink_unicast+0x449/0x710
[ 2562.904300][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2562.904300][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.904300][   T72]      ___sys_sendmsg+0xee/0x170
[ 2562.904300][   T72]      __sys_sendmsg+0xcd/0x170
[ 2562.904300][   T72]      do_syscall_64+0xc6/0x1e0
[ 2562.904300][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.904300][   T72] 
[ 2562.906454][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2562.906454][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2562.906454][   T72]      ipv6_find_idev+0x102/0x170
[ 2562.906454][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2562.906454][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.906454][   T72]      netlink_rcv_skb+0x130/0x360
[ 2562.906454][   T72]      netlink_unicast+0x449/0x710
[ 2562.906454][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2562.906454][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.906454][   T72]      ___sys_sendmsg+0xee/0x170
[ 2562.906454][   T72]      __sys_sendmsg+0xcd/0x170
[ 2562.906454][   T72]      do_syscall_64+0xc6/0x1e0
[ 2562.906454][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.906454][   T72] 
[ 2562.908015][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2562.908015][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2562.908015][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2562.908015][   T72]      ipv6_find_idev+0x102/0x170
[ 2562.908015][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2562.908015][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.908015][   T72]      netlink_rcv_skb+0x130/0x360
[ 2562.908015][   T72]      netlink_unicast+0x449/0x710
[ 2562.908015][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2562.908015][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.908015][   T72]      ___sys_sendmsg+0xee/0x170
[ 2562.908015][   T72]      __sys_sendmsg+0xcd/0x170
[ 2562.908015][   T72]      do_syscall_64+0xc6/0x1e0
[ 2562.908015][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.908015][   T72] 
[ 2562.909731][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2562.909995][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2562.909995][   T72]      netdev_get_by_index+0x5e/0x80
[ 2562.909995][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2562.909995][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2562.909995][   T72]      ip6_route_add+0x1c/0x140
[ 2562.909995][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2562.909995][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2562.909995][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2562.909995][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.909995][   T72]      netlink_rcv_skb+0x130/0x360
[ 2562.909995][   T72]      netlink_unicast+0x449/0x710
[ 2562.909995][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2562.909995][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.909995][   T72]      ___sys_sendmsg+0xee/0x170
[ 2562.909995][   T72]      __sys_sendmsg+0xcd/0x170
[ 2562.909995][   T72]      do_syscall_64+0xc6/0x1e0
[ 2562.909995][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.909995][   T72] 
[ 2562.912024][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2562.912024][   T72]      netdev_get_by_index+0x5e/0x80
[ 2562.912024][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2562.912024][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2562.912024][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2562.912024][   T72]      ipv6_add_addr+0x411/0x2000
[ 2562.912024][   T72]      inet6_addr_add+0x30e/0xa40
[ 2562.912024][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2562.912024][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.912024][   T72]      netlink_rcv_skb+0x130/0x360
[ 2562.912024][   T72]      netlink_unicast+0x449/0x710
[ 2562.912024][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2562.912024][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.912024][   T72]      ___sys_sendmsg+0xee/0x170
[ 2562.912024][   T72]      __sys_sendmsg+0xcd/0x170
[ 2562.912024][   T72]      do_syscall_64+0xc6/0x1e0
[ 2562.912024][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.912024][   T72] 
[ 2562.914040][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2562.914040][   T72]      netdev_get_by_index+0x5e/0x80
[ 2562.914040][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2562.914040][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2562.914040][   T72]      ip6_route_add+0x1c/0x140
[ 2562.914040][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2562.914040][   T72]      addrconf_add_dev+0xe2/0x170
[ 2562.914040][   T72]      inet6_addr_add+0x12f/0xa40
[ 2562.914040][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2562.914040][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.914040][   T72]      netlink_rcv_skb+0x130/0x360
[ 2562.914040][   T72]      netlink_unicast+0x449/0x710
[ 2562.914040][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2562.914040][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.914040][   T72]      ___sys_sendmsg+0xee/0x170
[ 2562.914040][   T72]      __sys_sendmsg+0xcd/0x170
[ 2562.914040][   T72]      do_syscall_64+0xc6/0x1e0
[ 2562.914040][   T72] 
[ 2562.916030][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2562.916030][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2562.916030][   T72]      ipv6_find_idev+0x102/0x170
[ 2562.916030][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2562.916030][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.916030][   T72]      netlink_rcv_skb+0x130/0x360
[ 2562.916030][   T72]      netlink_unicast+0x449/0x710
[ 2562.916030][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2562.916030][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.916030][   T72]      ___sys_sendmsg+0xee/0x170
[ 2562.916030][   T72]      __sys_sendmsg+0xcd/0x170
[ 2562.916030][   T72]      do_syscall_64+0xc6/0x1e0
[ 2562.916030][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.916030][   T72] 
[ 2562.917599][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2562.917599][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2562.917599][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2562.917599][   T72]      ipv6_find_idev+0x102/0x170
[ 2562.917599][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2562.917599][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2562.917599][   T72]      netlink_rcv_skb+0x130/0x360
[ 2562.917599][   T72]      netlink_unicast+0x449/0x710
[ 2562.917599][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2562.917599][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2562.917599][   T72]      ___sys_sendmsg+0xee/0x170
[ 2562.917599][   T72]      __sys_sendmsg+0xcd/0x170
[ 2562.917599][   T72]      do_syscall_64+0xc6/0x1e0
[ 2562.917599][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2562.917599][   T72] 
[ 2573.103904][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2573.104365][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2573.104365][   T72]      netdev_get_by_index+0x5e/0x80
[ 2573.104365][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2573.104365][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2573.104365][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2573.104365][   T72]      ipv6_add_addr+0x411/0x2000
[ 2573.104365][   T72]      inet6_addr_add+0x30e/0xa40
[ 2573.104365][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2573.104365][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2573.104365][   T72]      netlink_rcv_skb+0x130/0x360
[ 2573.104365][   T72]      netlink_unicast+0x449/0x710
[ 2573.104365][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2573.104365][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2573.104365][   T72]      ___sys_sendmsg+0xee/0x170
[ 2573.104365][   T72]      __sys_sendmsg+0xcd/0x170
[ 2573.104365][   T72]      do_syscall_64+0xc6/0x1e0
[ 2573.104365][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2573.104365][   T72] 
[ 2573.106423][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2573.106423][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2573.106423][   T72]      ipv6_find_idev+0x102/0x170
[ 2573.106423][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2573.106423][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2573.106423][   T72]      netlink_rcv_skb+0x130/0x360
[ 2573.106423][   T72]      netlink_unicast+0x449/0x710
[ 2573.106423][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2573.106423][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2573.106423][   T72]      ___sys_sendmsg+0xee/0x170
[ 2573.106423][   T72]      __sys_sendmsg+0xcd/0x170
[ 2573.106423][   T72]      do_syscall_64+0xc6/0x1e0
[ 2573.106423][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2573.106423][   T72] 
[ 2573.107991][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2573.107991][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2573.107991][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2573.107991][   T72]      ipv6_find_idev+0x102/0x170
[ 2573.107991][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2573.107991][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2573.107991][   T72]      netlink_rcv_skb+0x130/0x360
[ 2573.107991][   T72]      netlink_unicast+0x449/0x710
[ 2573.107991][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2573.107991][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2573.107991][   T72]      ___sys_sendmsg+0xee/0x170
[ 2573.107991][   T72]      __sys_sendmsg+0xcd/0x170
[ 2573.107991][   T72]      do_syscall_64+0xc6/0x1e0
[ 2573.107991][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2573.107991][   T72] 
[ 2573.109718][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2573.109989][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2573.109989][   T72]      netdev_get_by_index+0x5e/0x80
[ 2573.109989][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2573.109989][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2573.109989][   T72]      ip6_route_add+0x1c/0x140
[ 2573.109989][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2573.109989][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2573.109989][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2573.109989][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2573.109989][   T72]      netlink_rcv_skb+0x130/0x360
[ 2573.109989][   T72]      netlink_unicast+0x449/0x710
[ 2573.109989][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2573.109989][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2573.109989][   T72]      ___sys_sendmsg+0xee/0x170
[ 2573.109989][   T72]      __sys_sendmsg+0xcd/0x170
[ 2573.109989][   T72]      do_syscall_64+0xc6/0x1e0
[ 2573.109989][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2573.109989][   T72] 
[ 2573.112015][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2573.112015][   T72]      netdev_get_by_index+0x5e/0x80
[ 2573.112015][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2573.112015][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2573.112015][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2573.112015][   T72]      ipv6_add_addr+0x411/0x2000
[ 2573.112015][   T72]      inet6_addr_add+0x30e/0xa40
[ 2573.112015][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2573.112015][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2573.112015][   T72]      netlink_rcv_skb+0x130/0x360
[ 2573.112015][   T72]      netlink_unicast+0x449/0x710
[ 2573.112015][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2573.112015][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2573.112015][   T72]      ___sys_sendmsg+0xee/0x170
[ 2573.112015][   T72]      __sys_sendmsg+0xcd/0x170
[ 2573.112015][   T72]      do_syscall_64+0xc6/0x1e0
[ 2573.112015][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2573.112015][   T72] 
[ 2573.114037][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2573.114037][   T72]      netdev_get_by_index+0x5e/0x80
[ 2573.114037][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2573.114037][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2573.114037][   T72]      ip6_route_add+0x1c/0x140
[ 2573.114037][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2573.114037][   T72]      addrconf_add_dev+0xe2/0x170
[ 2573.114037][   T72]      inet6_addr_add+0x12f/0xa40
[ 2573.114037][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2573.114037][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2573.114037][   T72]      netlink_rcv_skb+0x130/0x360
[ 2573.114037][   T72]      netlink_unicast+0x449/0x710
[ 2573.114037][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2573.114037][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2573.114037][   T72]      ___sys_sendmsg+0xee/0x170
[ 2573.114037][   T72]      __sys_sendmsg+0xcd/0x170
[ 2573.114037][   T72]      do_syscall_64+0xc6/0x1e0
[ 2573.114037][   T72] 
[ 2573.116021][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2573.116021][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2573.116021][   T72]      ipv6_find_idev+0x102/0x170
[ 2573.116021][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2573.116021][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2573.116021][   T72]      netlink_rcv_skb+0x130/0x360
[ 2573.116021][   T72]      netlink_unicast+0x449/0x710
[ 2573.116021][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2573.116021][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2573.116021][   T72]      ___sys_sendmsg+0xee/0x170
[ 2573.116021][   T72]      __sys_sendmsg+0xcd/0x170
[ 2573.116021][   T72]      do_syscall_64+0xc6/0x1e0
[ 2573.116021][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2573.116021][   T72] 
[ 2573.118107][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2573.118107][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2573.118107][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2573.118107][   T72]      ipv6_find_idev+0x102/0x170
[ 2573.118107][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2573.118107][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2573.118107][   T72]      netlink_rcv_skb+0x130/0x360
[ 2573.118107][   T72]      netlink_unicast+0x449/0x710
[ 2573.118107][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2573.118107][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2573.118107][   T72]      ___sys_sendmsg+0xee/0x170
[ 2573.118107][   T72]      __sys_sendmsg+0xcd/0x170
[ 2573.118107][   T72]      do_syscall_64+0xc6/0x1e0
[ 2573.118107][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2573.118107][   T72] 
[ 2583.359874][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2583.360274][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2583.360274][   T72]      netdev_get_by_index+0x5e/0x80
[ 2583.360274][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2583.360274][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2583.360274][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2583.360274][   T72]      ipv6_add_addr+0x411/0x2000
[ 2583.360274][   T72]      inet6_addr_add+0x30e/0xa40
[ 2583.360274][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2583.360274][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.360274][   T72]      netlink_rcv_skb+0x130/0x360
[ 2583.360274][   T72]      netlink_unicast+0x449/0x710
[ 2583.360274][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2583.360274][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.360274][   T72]      ___sys_sendmsg+0xee/0x170
[ 2583.360274][   T72]      __sys_sendmsg+0xcd/0x170
[ 2583.360274][   T72]      do_syscall_64+0xc6/0x1e0
[ 2583.360274][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2583.360274][   T72] 
[ 2583.362318][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2583.362318][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2583.362318][   T72]      ipv6_find_idev+0x102/0x170
[ 2583.362318][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2583.362318][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.362318][   T72]      netlink_rcv_skb+0x130/0x360
[ 2583.362318][   T72]      netlink_unicast+0x449/0x710
[ 2583.362318][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2583.362318][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.362318][   T72]      ___sys_sendmsg+0xee/0x170
[ 2583.362318][   T72]      __sys_sendmsg+0xcd/0x170
[ 2583.362318][   T72]      do_syscall_64+0xc6/0x1e0
[ 2583.362318][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2583.362318][   T72] 
[ 2583.363877][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2583.363877][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2583.363877][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2583.363877][   T72]      ipv6_find_idev+0x102/0x170
[ 2583.363877][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2583.363877][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.363877][   T72]      netlink_rcv_skb+0x130/0x360
[ 2583.363877][   T72]      netlink_unicast+0x449/0x710
[ 2583.363877][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2583.363877][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.363877][   T72]      ___sys_sendmsg+0xee/0x170
[ 2583.363877][   T72]      __sys_sendmsg+0xcd/0x170
[ 2583.363877][   T72]      do_syscall_64+0xc6/0x1e0
[ 2583.363877][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2583.363877][   T72] 
[ 2583.365598][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2583.365858][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2583.365858][   T72]      netdev_get_by_index+0x5e/0x80
[ 2583.365858][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2583.365858][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2583.365858][   T72]      ip6_route_add+0x1c/0x140
[ 2583.365858][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2583.365858][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2583.365858][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2583.365858][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.365858][   T72]      netlink_rcv_skb+0x130/0x360
[ 2583.365858][   T72]      netlink_unicast+0x449/0x710
[ 2583.365858][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2583.365858][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.365858][   T72]      ___sys_sendmsg+0xee/0x170
[ 2583.365858][   T72]      __sys_sendmsg+0xcd/0x170
[ 2583.365858][   T72]      do_syscall_64+0xc6/0x1e0
[ 2583.365858][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2583.365858][   T72] 
[ 2583.368266][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2583.368266][   T72]      netdev_get_by_index+0x5e/0x80
[ 2583.368266][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2583.368266][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2583.368266][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2583.368266][   T72]      ipv6_add_addr+0x411/0x2000
[ 2583.368266][   T72]      inet6_addr_add+0x30e/0xa40
[ 2583.368266][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2583.368266][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.368266][   T72]      netlink_rcv_skb+0x130/0x360
[ 2583.368266][   T72]      netlink_unicast+0x449/0x710
[ 2583.368266][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2583.368266][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.368266][   T72]      ___sys_sendmsg+0xee/0x170
[ 2583.368266][   T72]      __sys_sendmsg+0xcd/0x170
[ 2583.368266][   T72]      do_syscall_64+0xc6/0x1e0
[ 2583.368266][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2583.368266][   T72] 
[ 2583.370301][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2583.370301][   T72]      netdev_get_by_index+0x5e/0x80
[ 2583.370301][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2583.370301][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2583.370301][   T72]      ip6_route_add+0x1c/0x140
[ 2583.370301][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2583.370301][   T72]      addrconf_add_dev+0xe2/0x170
[ 2583.370301][   T72]      inet6_addr_add+0x12f/0xa40
[ 2583.370301][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2583.370301][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.370301][   T72]      netlink_rcv_skb+0x130/0x360
[ 2583.370301][   T72]      netlink_unicast+0x449/0x710
[ 2583.370301][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2583.370301][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.370301][   T72]      ___sys_sendmsg+0xee/0x170
[ 2583.370301][   T72]      __sys_sendmsg+0xcd/0x170
[ 2583.370301][   T72]      do_syscall_64+0xc6/0x1e0
[ 2583.370301][   T72] 
[ 2583.372279][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2583.372279][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2583.372279][   T72]      ipv6_find_idev+0x102/0x170
[ 2583.372279][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2583.372279][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.372279][   T72]      netlink_rcv_skb+0x130/0x360
[ 2583.372279][   T72]      netlink_unicast+0x449/0x710
[ 2583.372279][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2583.372279][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.372279][   T72]      ___sys_sendmsg+0xee/0x170
[ 2583.372279][   T72]      __sys_sendmsg+0xcd/0x170
[ 2583.372279][   T72]      do_syscall_64+0xc6/0x1e0
[ 2583.372279][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2583.372279][   T72] 
[ 2583.373832][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2583.373832][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2583.373832][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2583.373832][   T72]      ipv6_find_idev+0x102/0x170
[ 2583.373832][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2583.373832][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2583.373832][   T72]      netlink_rcv_skb+0x130/0x360
[ 2583.373832][   T72]      netlink_unicast+0x449/0x710
[ 2583.373832][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2583.373832][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2583.373832][   T72]      ___sys_sendmsg+0xee/0x170
[ 2583.373832][   T72]      __sys_sendmsg+0xcd/0x170
[ 2583.373832][   T72]      do_syscall_64+0xc6/0x1e0
[ 2583.373832][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2583.373832][   T72] 
[ 2593.615794][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2593.616248][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2593.616248][   T72]      netdev_get_by_index+0x5e/0x80
[ 2593.616248][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2593.616248][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2593.616248][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2593.616248][   T72]      ipv6_add_addr+0x411/0x2000
[ 2593.616248][   T72]      inet6_addr_add+0x30e/0xa40
[ 2593.616248][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2593.616248][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.616248][   T72]      netlink_rcv_skb+0x130/0x360
[ 2593.616248][   T72]      netlink_unicast+0x449/0x710
[ 2593.616248][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2593.616248][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.616248][   T72]      ___sys_sendmsg+0xee/0x170
[ 2593.616248][   T72]      __sys_sendmsg+0xcd/0x170
[ 2593.616248][   T72]      do_syscall_64+0xc6/0x1e0
[ 2593.616248][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.616248][   T72] 
[ 2593.618314][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2593.618314][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2593.618314][   T72]      ipv6_find_idev+0x102/0x170
[ 2593.618314][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2593.618314][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.618314][   T72]      netlink_rcv_skb+0x130/0x360
[ 2593.618314][   T72]      netlink_unicast+0x449/0x710
[ 2593.618314][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2593.618314][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.618314][   T72]      ___sys_sendmsg+0xee/0x170
[ 2593.618314][   T72]      __sys_sendmsg+0xcd/0x170
[ 2593.618314][   T72]      do_syscall_64+0xc6/0x1e0
[ 2593.618314][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.618314][   T72] 
[ 2593.619878][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2593.619878][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2593.619878][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2593.619878][   T72]      ipv6_find_idev+0x102/0x170
[ 2593.619878][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2593.619878][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.619878][   T72]      netlink_rcv_skb+0x130/0x360
[ 2593.619878][   T72]      netlink_unicast+0x449/0x710
[ 2593.619878][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2593.619878][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.619878][   T72]      ___sys_sendmsg+0xee/0x170
[ 2593.619878][   T72]      __sys_sendmsg+0xcd/0x170
[ 2593.619878][   T72]      do_syscall_64+0xc6/0x1e0
[ 2593.619878][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.619878][   T72] 
[ 2593.621577][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2593.621851][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2593.621851][   T72]      netdev_get_by_index+0x5e/0x80
[ 2593.621851][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2593.621851][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2593.621851][   T72]      ip6_route_add+0x1c/0x140
[ 2593.621851][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2593.621851][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2593.621851][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2593.621851][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.621851][   T72]      netlink_rcv_skb+0x130/0x360
[ 2593.621851][   T72]      netlink_unicast+0x449/0x710
[ 2593.621851][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2593.621851][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.621851][   T72]      ___sys_sendmsg+0xee/0x170
[ 2593.621851][   T72]      __sys_sendmsg+0xcd/0x170
[ 2593.621851][   T72]      do_syscall_64+0xc6/0x1e0
[ 2593.621851][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.621851][   T72] 
[ 2593.623875][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2593.623875][   T72]      netdev_get_by_index+0x5e/0x80
[ 2593.623875][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2593.623875][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2593.623875][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2593.623875][   T72]      ipv6_add_addr+0x411/0x2000
[ 2593.623875][   T72]      inet6_addr_add+0x30e/0xa40
[ 2593.623875][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2593.623875][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.623875][   T72]      netlink_rcv_skb+0x130/0x360
[ 2593.623875][   T72]      netlink_unicast+0x449/0x710
[ 2593.623875][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2593.623875][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.623875][   T72]      ___sys_sendmsg+0xee/0x170
[ 2593.623875][   T72]      __sys_sendmsg+0xcd/0x170
[ 2593.623875][   T72]      do_syscall_64+0xc6/0x1e0
[ 2593.623875][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.623875][   T72] 
[ 2593.625895][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2593.625895][   T72]      netdev_get_by_index+0x5e/0x80
[ 2593.625895][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2593.625895][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2593.625895][   T72]      ip6_route_add+0x1c/0x140
[ 2593.625895][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2593.625895][   T72]      addrconf_add_dev+0xe2/0x170
[ 2593.625895][   T72]      inet6_addr_add+0x12f/0xa40
[ 2593.625895][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2593.625895][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.625895][   T72]      netlink_rcv_skb+0x130/0x360
[ 2593.625895][   T72]      netlink_unicast+0x449/0x710
[ 2593.625895][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2593.625895][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.625895][   T72]      ___sys_sendmsg+0xee/0x170
[ 2593.625895][   T72]      __sys_sendmsg+0xcd/0x170
[ 2593.625895][   T72]      do_syscall_64+0xc6/0x1e0
[ 2593.625895][   T72] 
[ 2593.627887][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2593.627887][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2593.627887][   T72]      ipv6_find_idev+0x102/0x170
[ 2593.627887][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2593.627887][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.627887][   T72]      netlink_rcv_skb+0x130/0x360
[ 2593.627887][   T72]      netlink_unicast+0x449/0x710
[ 2593.627887][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2593.627887][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.627887][   T72]      ___sys_sendmsg+0xee/0x170
[ 2593.627887][   T72]      __sys_sendmsg+0xcd/0x170
[ 2593.627887][   T72]      do_syscall_64+0xc6/0x1e0
[ 2593.627887][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.627887][   T72] 
[ 2593.629451][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2593.629451][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2593.629451][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2593.629451][   T72]      ipv6_find_idev+0x102/0x170
[ 2593.629451][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2593.629451][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2593.629451][   T72]      netlink_rcv_skb+0x130/0x360
[ 2593.629451][   T72]      netlink_unicast+0x449/0x710
[ 2593.629451][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2593.629451][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2593.629451][   T72]      ___sys_sendmsg+0xee/0x170
[ 2593.629451][   T72]      __sys_sendmsg+0xcd/0x170
[ 2593.629451][   T72]      do_syscall_64+0xc6/0x1e0
[ 2593.629451][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2593.629451][   T72] 
[ 2603.871898][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2603.872359][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2603.872359][   T72]      netdev_get_by_index+0x5e/0x80
[ 2603.872359][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2603.872359][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2603.872359][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2603.872359][   T72]      ipv6_add_addr+0x411/0x2000
[ 2603.872359][   T72]      inet6_addr_add+0x30e/0xa40
[ 2603.872359][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2603.872359][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.872359][   T72]      netlink_rcv_skb+0x130/0x360
[ 2603.872359][   T72]      netlink_unicast+0x449/0x710
[ 2603.872359][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2603.872359][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.872359][   T72]      ___sys_sendmsg+0xee/0x170
[ 2603.872359][   T72]      __sys_sendmsg+0xcd/0x170
[ 2603.872359][   T72]      do_syscall_64+0xc6/0x1e0
[ 2603.872359][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.872359][   T72] 
[ 2603.874402][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2603.874402][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2603.874402][   T72]      ipv6_find_idev+0x102/0x170
[ 2603.874402][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2603.874402][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.874402][   T72]      netlink_rcv_skb+0x130/0x360
[ 2603.874402][   T72]      netlink_unicast+0x449/0x710
[ 2603.874402][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2603.874402][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.874402][   T72]      ___sys_sendmsg+0xee/0x170
[ 2603.874402][   T72]      __sys_sendmsg+0xcd/0x170
[ 2603.874402][   T72]      do_syscall_64+0xc6/0x1e0
[ 2603.874402][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.874402][   T72] 
[ 2603.875961][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2603.875961][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2603.875961][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2603.875961][   T72]      ipv6_find_idev+0x102/0x170
[ 2603.875961][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2603.875961][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.875961][   T72]      netlink_rcv_skb+0x130/0x360
[ 2603.875961][   T72]      netlink_unicast+0x449/0x710
[ 2603.875961][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2603.875961][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.875961][   T72]      ___sys_sendmsg+0xee/0x170
[ 2603.875961][   T72]      __sys_sendmsg+0xcd/0x170
[ 2603.875961][   T72]      do_syscall_64+0xc6/0x1e0
[ 2603.875961][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.875961][   T72] 
[ 2603.877663][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2603.877923][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2603.877923][   T72]      netdev_get_by_index+0x5e/0x80
[ 2603.877923][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2603.877923][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2603.877923][   T72]      ip6_route_add+0x1c/0x140
[ 2603.877923][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2603.877923][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2603.877923][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2603.877923][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.877923][   T72]      netlink_rcv_skb+0x130/0x360
[ 2603.877923][   T72]      netlink_unicast+0x449/0x710
[ 2603.877923][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2603.877923][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.877923][   T72]      ___sys_sendmsg+0xee/0x170
[ 2603.877923][   T72]      __sys_sendmsg+0xcd/0x170
[ 2603.877923][   T72]      do_syscall_64+0xc6/0x1e0
[ 2603.877923][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.877923][   T72] 
[ 2603.879951][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2603.879951][   T72]      netdev_get_by_index+0x5e/0x80
[ 2603.879951][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2603.879951][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2603.879951][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2603.879951][   T72]      ipv6_add_addr+0x411/0x2000
[ 2603.879951][   T72]      inet6_addr_add+0x30e/0xa40
[ 2603.879951][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2603.879951][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.879951][   T72]      netlink_rcv_skb+0x130/0x360
[ 2603.879951][   T72]      netlink_unicast+0x449/0x710
[ 2603.879951][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2603.879951][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.879951][   T72]      ___sys_sendmsg+0xee/0x170
[ 2603.879951][   T72]      __sys_sendmsg+0xcd/0x170
[ 2603.879951][   T72]      do_syscall_64+0xc6/0x1e0
[ 2603.879951][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.879951][   T72] 
[ 2603.881995][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2603.881995][   T72]      netdev_get_by_index+0x5e/0x80
[ 2603.881995][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2603.881995][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2603.881995][   T72]      ip6_route_add+0x1c/0x140
[ 2603.881995][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2603.881995][   T72]      addrconf_add_dev+0xe2/0x170
[ 2603.881995][   T72]      inet6_addr_add+0x12f/0xa40
[ 2603.881995][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2603.881995][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.881995][   T72]      netlink_rcv_skb+0x130/0x360
[ 2603.881995][   T72]      netlink_unicast+0x449/0x710
[ 2603.881995][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2603.881995][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.881995][   T72]      ___sys_sendmsg+0xee/0x170
[ 2603.881995][   T72]      __sys_sendmsg+0xcd/0x170
[ 2603.881995][   T72]      do_syscall_64+0xc6/0x1e0
[ 2603.881995][   T72] 
[ 2603.883991][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2603.883991][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2603.883991][   T72]      ipv6_find_idev+0x102/0x170
[ 2603.883991][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2603.883991][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.883991][   T72]      netlink_rcv_skb+0x130/0x360
[ 2603.883991][   T72]      netlink_unicast+0x449/0x710
[ 2603.883991][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2603.883991][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.883991][   T72]      ___sys_sendmsg+0xee/0x170
[ 2603.883991][   T72]      __sys_sendmsg+0xcd/0x170
[ 2603.883991][   T72]      do_syscall_64+0xc6/0x1e0
[ 2603.883991][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.883991][   T72] 
[ 2603.885541][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2603.885541][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2603.885541][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2603.885541][   T72]      ipv6_find_idev+0x102/0x170
[ 2603.885541][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2603.885541][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2603.885541][   T72]      netlink_rcv_skb+0x130/0x360
[ 2603.885541][   T72]      netlink_unicast+0x449/0x710
[ 2603.885541][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2603.885541][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2603.885541][   T72]      ___sys_sendmsg+0xee/0x170
[ 2603.885541][   T72]      __sys_sendmsg+0xcd/0x170
[ 2603.885541][   T72]      do_syscall_64+0xc6/0x1e0
[ 2603.885541][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2603.885541][   T72] 
[ 2613.967921][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2613.968388][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2613.968388][   T72]      netdev_get_by_index+0x5e/0x80
[ 2613.968388][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2613.968388][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2613.968388][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2613.968388][   T72]      ipv6_add_addr+0x411/0x2000
[ 2613.968388][   T72]      inet6_addr_add+0x30e/0xa40
[ 2613.968388][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2613.968388][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.968388][   T72]      netlink_rcv_skb+0x130/0x360
[ 2613.968388][   T72]      netlink_unicast+0x449/0x710
[ 2613.968388][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2613.968388][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.968388][   T72]      ___sys_sendmsg+0xee/0x170
[ 2613.968388][   T72]      __sys_sendmsg+0xcd/0x170
[ 2613.968388][   T72]      do_syscall_64+0xc6/0x1e0
[ 2613.968388][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.968388][   T72] 
[ 2613.970441][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2613.970441][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2613.970441][   T72]      ipv6_find_idev+0x102/0x170
[ 2613.970441][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2613.970441][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.970441][   T72]      netlink_rcv_skb+0x130/0x360
[ 2613.970441][   T72]      netlink_unicast+0x449/0x710
[ 2613.970441][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2613.970441][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.970441][   T72]      ___sys_sendmsg+0xee/0x170
[ 2613.970441][   T72]      __sys_sendmsg+0xcd/0x170
[ 2613.970441][   T72]      do_syscall_64+0xc6/0x1e0
[ 2613.970441][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.970441][   T72] 
[ 2613.972002][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2613.972002][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2613.972002][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2613.972002][   T72]      ipv6_find_idev+0x102/0x170
[ 2613.972002][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2613.972002][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.972002][   T72]      netlink_rcv_skb+0x130/0x360
[ 2613.972002][   T72]      netlink_unicast+0x449/0x710
[ 2613.972002][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2613.972002][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.972002][   T72]      ___sys_sendmsg+0xee/0x170
[ 2613.972002][   T72]      __sys_sendmsg+0xcd/0x170
[ 2613.972002][   T72]      do_syscall_64+0xc6/0x1e0
[ 2613.972002][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.972002][   T72] 
[ 2613.973720][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2613.973981][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2613.973981][   T72]      netdev_get_by_index+0x5e/0x80
[ 2613.973981][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2613.973981][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2613.973981][   T72]      ip6_route_add+0x1c/0x140
[ 2613.973981][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2613.973981][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2613.973981][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2613.973981][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.973981][   T72]      netlink_rcv_skb+0x130/0x360
[ 2613.973981][   T72]      netlink_unicast+0x449/0x710
[ 2613.973981][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2613.973981][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.973981][   T72]      ___sys_sendmsg+0xee/0x170
[ 2613.973981][   T72]      __sys_sendmsg+0xcd/0x170
[ 2613.973981][   T72]      do_syscall_64+0xc6/0x1e0
[ 2613.973981][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.973981][   T72] 
[ 2613.976002][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2613.976002][   T72]      netdev_get_by_index+0x5e/0x80
[ 2613.976002][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2613.976002][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2613.976002][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2613.976002][   T72]      ipv6_add_addr+0x411/0x2000
[ 2613.976002][   T72]      inet6_addr_add+0x30e/0xa40
[ 2613.976002][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2613.976002][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.976002][   T72]      netlink_rcv_skb+0x130/0x360
[ 2613.976002][   T72]      netlink_unicast+0x449/0x710
[ 2613.976002][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2613.976002][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.976002][   T72]      ___sys_sendmsg+0xee/0x170
[ 2613.976002][   T72]      __sys_sendmsg+0xcd/0x170
[ 2613.976002][   T72]      do_syscall_64+0xc6/0x1e0
[ 2613.976002][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.976002][   T72] 
[ 2613.978020][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2613.978020][   T72]      netdev_get_by_index+0x5e/0x80
[ 2613.978020][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2613.978020][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2613.978020][   T72]      ip6_route_add+0x1c/0x140
[ 2613.978020][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2613.978020][   T72]      addrconf_add_dev+0xe2/0x170
[ 2613.978020][   T72]      inet6_addr_add+0x12f/0xa40
[ 2613.978020][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2613.978020][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.978020][   T72]      netlink_rcv_skb+0x130/0x360
[ 2613.978020][   T72]      netlink_unicast+0x449/0x710
[ 2613.978020][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2613.978020][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.978020][   T72]      ___sys_sendmsg+0xee/0x170
[ 2613.978020][   T72]      __sys_sendmsg+0xcd/0x170
[ 2613.978020][   T72]      do_syscall_64+0xc6/0x1e0
[ 2613.978020][   T72] 
[ 2613.980028][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2613.980028][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2613.980028][   T72]      ipv6_find_idev+0x102/0x170
[ 2613.980028][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2613.980028][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.980028][   T72]      netlink_rcv_skb+0x130/0x360
[ 2613.980028][   T72]      netlink_unicast+0x449/0x710
[ 2613.980028][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2613.980028][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.980028][   T72]      ___sys_sendmsg+0xee/0x170
[ 2613.980028][   T72]      __sys_sendmsg+0xcd/0x170
[ 2613.980028][   T72]      do_syscall_64+0xc6/0x1e0
[ 2613.980028][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.980028][   T72] 
[ 2613.981585][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2613.981585][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2613.981585][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2613.981585][   T72]      ipv6_find_idev+0x102/0x170
[ 2613.981585][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2613.981585][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2613.981585][   T72]      netlink_rcv_skb+0x130/0x360
[ 2613.981585][   T72]      netlink_unicast+0x449/0x710
[ 2613.981585][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2613.981585][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2613.981585][   T72]      ___sys_sendmsg+0xee/0x170
[ 2613.981585][   T72]      __sys_sendmsg+0xcd/0x170
[ 2613.981585][   T72]      do_syscall_64+0xc6/0x1e0
[ 2613.981585][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2613.981585][   T72] 
[ 2624.015896][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2624.016350][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2624.016350][   T72]      netdev_get_by_index+0x5e/0x80
[ 2624.016350][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2624.016350][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2624.016350][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2624.016350][   T72]      ipv6_add_addr+0x411/0x2000
[ 2624.016350][   T72]      inet6_addr_add+0x30e/0xa40
[ 2624.016350][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2624.016350][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.016350][   T72]      netlink_rcv_skb+0x130/0x360
[ 2624.016350][   T72]      netlink_unicast+0x449/0x710
[ 2624.016350][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2624.016350][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.016350][   T72]      ___sys_sendmsg+0xee/0x170
[ 2624.016350][   T72]      __sys_sendmsg+0xcd/0x170
[ 2624.016350][   T72]      do_syscall_64+0xc6/0x1e0
[ 2624.016350][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2624.016350][   T72] 
[ 2624.018412][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2624.018412][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2624.018412][   T72]      ipv6_find_idev+0x102/0x170
[ 2624.018412][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2624.018412][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.018412][   T72]      netlink_rcv_skb+0x130/0x360
[ 2624.018412][   T72]      netlink_unicast+0x449/0x710
[ 2624.018412][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2624.018412][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.018412][   T72]      ___sys_sendmsg+0xee/0x170
[ 2624.018412][   T72]      __sys_sendmsg+0xcd/0x170
[ 2624.018412][   T72]      do_syscall_64+0xc6/0x1e0
[ 2624.018412][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2624.018412][   T72] 
[ 2624.019980][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2624.019980][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2624.019980][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2624.019980][   T72]      ipv6_find_idev+0x102/0x170
[ 2624.019980][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2624.019980][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.019980][   T72]      netlink_rcv_skb+0x130/0x360
[ 2624.019980][   T72]      netlink_unicast+0x449/0x710
[ 2624.019980][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2624.019980][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.019980][   T72]      ___sys_sendmsg+0xee/0x170
[ 2624.019980][   T72]      __sys_sendmsg+0xcd/0x170
[ 2624.019980][   T72]      do_syscall_64+0xc6/0x1e0
[ 2624.019980][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2624.019980][   T72] 
[ 2624.021681][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2624.021944][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2624.021944][   T72]      netdev_get_by_index+0x5e/0x80
[ 2624.021944][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2624.021944][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2624.021944][   T72]      ip6_route_add+0x1c/0x140
[ 2624.021944][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2624.021944][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2624.021944][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2624.021944][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.021944][   T72]      netlink_rcv_skb+0x130/0x360
[ 2624.021944][   T72]      netlink_unicast+0x449/0x710
[ 2624.021944][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2624.021944][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.021944][   T72]      ___sys_sendmsg+0xee/0x170
[ 2624.021944][   T72]      __sys_sendmsg+0xcd/0x170
[ 2624.021944][   T72]      do_syscall_64+0xc6/0x1e0
[ 2624.021944][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2624.021944][   T72] 
[ 2624.023971][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2624.023971][   T72]      netdev_get_by_index+0x5e/0x80
[ 2624.023971][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2624.023971][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2624.023971][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2624.023971][   T72]      ipv6_add_addr+0x411/0x2000
[ 2624.023971][   T72]      inet6_addr_add+0x30e/0xa40
[ 2624.023971][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2624.023971][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.023971][   T72]      netlink_rcv_skb+0x130/0x360
[ 2624.023971][   T72]      netlink_unicast+0x449/0x710
[ 2624.023971][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2624.023971][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.023971][   T72]      ___sys_sendmsg+0xee/0x170
[ 2624.023971][   T72]      __sys_sendmsg+0xcd/0x170
[ 2624.023971][   T72]      do_syscall_64+0xc6/0x1e0
[ 2624.023971][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2624.023971][   T72] 
[ 2624.025987][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2624.025987][   T72]      netdev_get_by_index+0x5e/0x80
[ 2624.025987][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2624.025987][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2624.025987][   T72]      ip6_route_add+0x1c/0x140
[ 2624.025987][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2624.025987][   T72]      addrconf_add_dev+0xe2/0x170
[ 2624.025987][   T72]      inet6_addr_add+0x12f/0xa40
[ 2624.025987][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2624.025987][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.025987][   T72]      netlink_rcv_skb+0x130/0x360
[ 2624.025987][   T72]      netlink_unicast+0x449/0x710
[ 2624.025987][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2624.025987][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.025987][   T72]      ___sys_sendmsg+0xee/0x170
[ 2624.025987][   T72]      __sys_sendmsg+0xcd/0x170
[ 2624.025987][   T72]      do_syscall_64+0xc6/0x1e0
[ 2624.025987][   T72] 
[ 2624.027970][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2624.027970][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2624.027970][   T72]      ipv6_find_idev+0x102/0x170
[ 2624.027970][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2624.027970][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.027970][   T72]      netlink_rcv_skb+0x130/0x360
[ 2624.027970][   T72]      netlink_unicast+0x449/0x710
[ 2624.027970][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2624.027970][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.027970][   T72]      ___sys_sendmsg+0xee/0x170
[ 2624.027970][   T72]      __sys_sendmsg+0xcd/0x170
[ 2624.027970][   T72]      do_syscall_64+0xc6/0x1e0
[ 2624.027970][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2624.027970][   T72] 
[ 2624.030066][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2624.030066][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2624.030066][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2624.030066][   T72]      ipv6_find_idev+0x102/0x170
[ 2624.030066][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2624.030066][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2624.030066][   T72]      netlink_rcv_skb+0x130/0x360
[ 2624.030066][   T72]      netlink_unicast+0x449/0x710
[ 2624.030066][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2624.030066][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2624.030066][   T72]      ___sys_sendmsg+0xee/0x170
[ 2624.030066][   T72]      __sys_sendmsg+0xcd/0x170
[ 2624.030066][   T72]      do_syscall_64+0xc6/0x1e0
[ 2624.030066][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2624.030066][   T72] 
[ 2634.127877][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2634.128330][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2634.128330][   T72]      netdev_get_by_index+0x5e/0x80
[ 2634.128330][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2634.128330][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2634.128330][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2634.128330][   T72]      ipv6_add_addr+0x411/0x2000
[ 2634.128330][   T72]      inet6_addr_add+0x30e/0xa40
[ 2634.128330][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2634.128330][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.128330][   T72]      netlink_rcv_skb+0x130/0x360
[ 2634.128330][   T72]      netlink_unicast+0x449/0x710
[ 2634.128330][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2634.128330][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.128330][   T72]      ___sys_sendmsg+0xee/0x170
[ 2634.128330][   T72]      __sys_sendmsg+0xcd/0x170
[ 2634.128330][   T72]      do_syscall_64+0xc6/0x1e0
[ 2634.128330][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.128330][   T72] 
[ 2634.130400][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2634.130400][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2634.130400][   T72]      ipv6_find_idev+0x102/0x170
[ 2634.130400][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2634.130400][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.130400][   T72]      netlink_rcv_skb+0x130/0x360
[ 2634.130400][   T72]      netlink_unicast+0x449/0x710
[ 2634.130400][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2634.130400][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.130400][   T72]      ___sys_sendmsg+0xee/0x170
[ 2634.130400][   T72]      __sys_sendmsg+0xcd/0x170
[ 2634.130400][   T72]      do_syscall_64+0xc6/0x1e0
[ 2634.130400][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.130400][   T72] 
[ 2634.131956][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2634.131956][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2634.131956][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2634.131956][   T72]      ipv6_find_idev+0x102/0x170
[ 2634.131956][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2634.131956][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.131956][   T72]      netlink_rcv_skb+0x130/0x360
[ 2634.131956][   T72]      netlink_unicast+0x449/0x710
[ 2634.131956][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2634.131956][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.131956][   T72]      ___sys_sendmsg+0xee/0x170
[ 2634.131956][   T72]      __sys_sendmsg+0xcd/0x170
[ 2634.131956][   T72]      do_syscall_64+0xc6/0x1e0
[ 2634.131956][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.131956][   T72] 
[ 2634.133654][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2634.133915][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2634.133915][   T72]      netdev_get_by_index+0x5e/0x80
[ 2634.133915][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2634.133915][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2634.133915][   T72]      ip6_route_add+0x1c/0x140
[ 2634.133915][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2634.133915][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2634.133915][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2634.133915][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.133915][   T72]      netlink_rcv_skb+0x130/0x360
[ 2634.133915][   T72]      netlink_unicast+0x449/0x710
[ 2634.133915][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2634.133915][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.133915][   T72]      ___sys_sendmsg+0xee/0x170
[ 2634.133915][   T72]      __sys_sendmsg+0xcd/0x170
[ 2634.133915][   T72]      do_syscall_64+0xc6/0x1e0
[ 2634.133915][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.133915][   T72] 
[ 2634.135932][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2634.135932][   T72]      netdev_get_by_index+0x5e/0x80
[ 2634.135932][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2634.135932][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2634.135932][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2634.135932][   T72]      ipv6_add_addr+0x411/0x2000
[ 2634.135932][   T72]      inet6_addr_add+0x30e/0xa40
[ 2634.135932][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2634.135932][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.135932][   T72]      netlink_rcv_skb+0x130/0x360
[ 2634.135932][   T72]      netlink_unicast+0x449/0x710
[ 2634.135932][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2634.135932][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.135932][   T72]      ___sys_sendmsg+0xee/0x170
[ 2634.135932][   T72]      __sys_sendmsg+0xcd/0x170
[ 2634.135932][   T72]      do_syscall_64+0xc6/0x1e0
[ 2634.135932][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.135932][   T72] 
[ 2634.137947][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2634.137947][   T72]      netdev_get_by_index+0x5e/0x80
[ 2634.137947][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2634.137947][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2634.137947][   T72]      ip6_route_add+0x1c/0x140
[ 2634.137947][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2634.137947][   T72]      addrconf_add_dev+0xe2/0x170
[ 2634.137947][   T72]      inet6_addr_add+0x12f/0xa40
[ 2634.137947][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2634.137947][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.137947][   T72]      netlink_rcv_skb+0x130/0x360
[ 2634.137947][   T72]      netlink_unicast+0x449/0x710
[ 2634.137947][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2634.137947][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.137947][   T72]      ___sys_sendmsg+0xee/0x170
[ 2634.137947][   T72]      __sys_sendmsg+0xcd/0x170
[ 2634.137947][   T72]      do_syscall_64+0xc6/0x1e0
[ 2634.137947][   T72] 
[ 2634.140304][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2634.140304][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2634.140304][   T72]      ipv6_find_idev+0x102/0x170
[ 2634.140304][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2634.140304][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.140304][   T72]      netlink_rcv_skb+0x130/0x360
[ 2634.140304][   T72]      netlink_unicast+0x449/0x710
[ 2634.140304][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2634.140304][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.140304][   T72]      ___sys_sendmsg+0xee/0x170
[ 2634.140304][   T72]      __sys_sendmsg+0xcd/0x170
[ 2634.140304][   T72]      do_syscall_64+0xc6/0x1e0
[ 2634.140304][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.140304][   T72] 
[ 2634.141869][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2634.141869][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2634.141869][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2634.141869][   T72]      ipv6_find_idev+0x102/0x170
[ 2634.141869][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2634.141869][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2634.141869][   T72]      netlink_rcv_skb+0x130/0x360
[ 2634.141869][   T72]      netlink_unicast+0x449/0x710
[ 2634.141869][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2634.141869][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2634.141869][   T72]      ___sys_sendmsg+0xee/0x170
[ 2634.141869][   T72]      __sys_sendmsg+0xcd/0x170
[ 2634.141869][   T72]      do_syscall_64+0xc6/0x1e0
[ 2634.141869][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2634.141869][   T72] 
[ 2644.359890][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2644.360340][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2644.360340][   T72]      netdev_get_by_index+0x5e/0x80
[ 2644.360340][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2644.360340][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2644.360340][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2644.360340][   T72]      ipv6_add_addr+0x411/0x2000
[ 2644.360340][   T72]      inet6_addr_add+0x30e/0xa40
[ 2644.360340][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2644.360340][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.360340][   T72]      netlink_rcv_skb+0x130/0x360
[ 2644.360340][   T72]      netlink_unicast+0x449/0x710
[ 2644.360340][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2644.360340][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.360340][   T72]      ___sys_sendmsg+0xee/0x170
[ 2644.360340][   T72]      __sys_sendmsg+0xcd/0x170
[ 2644.360340][   T72]      do_syscall_64+0xc6/0x1e0
[ 2644.360340][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.360340][   T72] 
[ 2644.362387][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2644.362387][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2644.362387][   T72]      ipv6_find_idev+0x102/0x170
[ 2644.362387][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2644.362387][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.362387][   T72]      netlink_rcv_skb+0x130/0x360
[ 2644.362387][   T72]      netlink_unicast+0x449/0x710
[ 2644.362387][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2644.362387][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.362387][   T72]      ___sys_sendmsg+0xee/0x170
[ 2644.362387][   T72]      __sys_sendmsg+0xcd/0x170
[ 2644.362387][   T72]      do_syscall_64+0xc6/0x1e0
[ 2644.362387][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.362387][   T72] 
[ 2644.363950][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2644.363950][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2644.363950][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2644.363950][   T72]      ipv6_find_idev+0x102/0x170
[ 2644.363950][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2644.363950][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.363950][   T72]      netlink_rcv_skb+0x130/0x360
[ 2644.363950][   T72]      netlink_unicast+0x449/0x710
[ 2644.363950][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2644.363950][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.363950][   T72]      ___sys_sendmsg+0xee/0x170
[ 2644.363950][   T72]      __sys_sendmsg+0xcd/0x170
[ 2644.363950][   T72]      do_syscall_64+0xc6/0x1e0
[ 2644.363950][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.363950][   T72] 
[ 2644.365671][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2644.365940][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2644.365940][   T72]      netdev_get_by_index+0x5e/0x80
[ 2644.365940][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2644.365940][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2644.365940][   T72]      ip6_route_add+0x1c/0x140
[ 2644.365940][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2644.365940][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2644.365940][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2644.365940][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.365940][   T72]      netlink_rcv_skb+0x130/0x360
[ 2644.365940][   T72]      netlink_unicast+0x449/0x710
[ 2644.365940][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2644.365940][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.365940][   T72]      ___sys_sendmsg+0xee/0x170
[ 2644.365940][   T72]      __sys_sendmsg+0xcd/0x170
[ 2644.365940][   T72]      do_syscall_64+0xc6/0x1e0
[ 2644.365940][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.365940][   T72] 
[ 2644.367957][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2644.367957][   T72]      netdev_get_by_index+0x5e/0x80
[ 2644.367957][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2644.367957][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2644.367957][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2644.367957][   T72]      ipv6_add_addr+0x411/0x2000
[ 2644.367957][   T72]      inet6_addr_add+0x30e/0xa40
[ 2644.367957][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2644.367957][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.367957][   T72]      netlink_rcv_skb+0x130/0x360
[ 2644.367957][   T72]      netlink_unicast+0x449/0x710
[ 2644.367957][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2644.367957][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.367957][   T72]      ___sys_sendmsg+0xee/0x170
[ 2644.367957][   T72]      __sys_sendmsg+0xcd/0x170
[ 2644.367957][   T72]      do_syscall_64+0xc6/0x1e0
[ 2644.367957][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.367957][   T72] 
[ 2644.369982][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2644.369982][   T72]      netdev_get_by_index+0x5e/0x80
[ 2644.369982][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2644.369982][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2644.369982][   T72]      ip6_route_add+0x1c/0x140
[ 2644.369982][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2644.369982][   T72]      addrconf_add_dev+0xe2/0x170
[ 2644.369982][   T72]      inet6_addr_add+0x12f/0xa40
[ 2644.369982][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2644.369982][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.369982][   T72]      netlink_rcv_skb+0x130/0x360
[ 2644.369982][   T72]      netlink_unicast+0x449/0x710
[ 2644.369982][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2644.369982][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.369982][   T72]      ___sys_sendmsg+0xee/0x170
[ 2644.369982][   T72]      __sys_sendmsg+0xcd/0x170
[ 2644.369982][   T72]      do_syscall_64+0xc6/0x1e0
[ 2644.369982][   T72] 
[ 2644.371966][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2644.371966][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2644.371966][   T72]      ipv6_find_idev+0x102/0x170
[ 2644.371966][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2644.371966][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.371966][   T72]      netlink_rcv_skb+0x130/0x360
[ 2644.371966][   T72]      netlink_unicast+0x449/0x710
[ 2644.371966][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2644.371966][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.371966][   T72]      ___sys_sendmsg+0xee/0x170
[ 2644.371966][   T72]      __sys_sendmsg+0xcd/0x170
[ 2644.371966][   T72]      do_syscall_64+0xc6/0x1e0
[ 2644.371966][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.371966][   T72] 
[ 2644.373535][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2644.373535][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2644.373535][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2644.373535][   T72]      ipv6_find_idev+0x102/0x170
[ 2644.373535][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2644.373535][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2644.373535][   T72]      netlink_rcv_skb+0x130/0x360
[ 2644.373535][   T72]      netlink_unicast+0x449/0x710
[ 2644.373535][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2644.373535][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2644.373535][   T72]      ___sys_sendmsg+0xee/0x170
[ 2644.373535][   T72]      __sys_sendmsg+0xcd/0x170
[ 2644.373535][   T72]      do_syscall_64+0xc6/0x1e0
[ 2644.373535][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2644.373535][   T72] 
[ 2654.615918][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2654.616389][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2654.616389][   T72]      netdev_get_by_index+0x5e/0x80
[ 2654.616389][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2654.616389][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2654.616389][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2654.616389][   T72]      ipv6_add_addr+0x411/0x2000
[ 2654.616389][   T72]      inet6_addr_add+0x30e/0xa40
[ 2654.616389][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2654.616389][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.616389][   T72]      netlink_rcv_skb+0x130/0x360
[ 2654.616389][   T72]      netlink_unicast+0x449/0x710
[ 2654.616389][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2654.616389][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.616389][   T72]      ___sys_sendmsg+0xee/0x170
[ 2654.616389][   T72]      __sys_sendmsg+0xcd/0x170
[ 2654.616389][   T72]      do_syscall_64+0xc6/0x1e0
[ 2654.616389][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.616389][   T72] 
[ 2654.618552][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2654.618552][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2654.618552][   T72]      ipv6_find_idev+0x102/0x170
[ 2654.618552][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2654.618552][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.618552][   T72]      netlink_rcv_skb+0x130/0x360
[ 2654.618552][   T72]      netlink_unicast+0x449/0x710
[ 2654.618552][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2654.618552][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.618552][   T72]      ___sys_sendmsg+0xee/0x170
[ 2654.618552][   T72]      __sys_sendmsg+0xcd/0x170
[ 2654.618552][   T72]      do_syscall_64+0xc6/0x1e0
[ 2654.618552][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.618552][   T72] 
[ 2654.620133][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2654.620133][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2654.620133][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2654.620133][   T72]      ipv6_find_idev+0x102/0x170
[ 2654.620133][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2654.620133][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.620133][   T72]      netlink_rcv_skb+0x130/0x360
[ 2654.620133][   T72]      netlink_unicast+0x449/0x710
[ 2654.620133][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2654.620133][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.620133][   T72]      ___sys_sendmsg+0xee/0x170
[ 2654.620133][   T72]      __sys_sendmsg+0xcd/0x170
[ 2654.620133][   T72]      do_syscall_64+0xc6/0x1e0
[ 2654.620133][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.620133][   T72] 
[ 2654.621868][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2654.622124][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2654.622124][   T72]      netdev_get_by_index+0x5e/0x80
[ 2654.622124][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2654.622124][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2654.622124][   T72]      ip6_route_add+0x1c/0x140
[ 2654.622124][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2654.622124][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2654.622124][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2654.622124][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.622124][   T72]      netlink_rcv_skb+0x130/0x360
[ 2654.622124][   T72]      netlink_unicast+0x449/0x710
[ 2654.622124][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2654.622124][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.622124][   T72]      ___sys_sendmsg+0xee/0x170
[ 2654.622124][   T72]      __sys_sendmsg+0xcd/0x170
[ 2654.622124][   T72]      do_syscall_64+0xc6/0x1e0
[ 2654.622124][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.622124][   T72] 
[ 2654.624161][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2654.624161][   T72]      netdev_get_by_index+0x5e/0x80
[ 2654.624161][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2654.624161][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2654.624161][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2654.624161][   T72]      ipv6_add_addr+0x411/0x2000
[ 2654.624161][   T72]      inet6_addr_add+0x30e/0xa40
[ 2654.624161][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2654.624161][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.624161][   T72]      netlink_rcv_skb+0x130/0x360
[ 2654.624161][   T72]      netlink_unicast+0x449/0x710
[ 2654.624161][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2654.624161][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.624161][   T72]      ___sys_sendmsg+0xee/0x170
[ 2654.624161][   T72]      __sys_sendmsg+0xcd/0x170
[ 2654.624161][   T72]      do_syscall_64+0xc6/0x1e0
[ 2654.624161][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.624161][   T72] 
[ 2654.626195][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2654.626195][   T72]      netdev_get_by_index+0x5e/0x80
[ 2654.626195][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2654.626195][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2654.626195][   T72]      ip6_route_add+0x1c/0x140
[ 2654.626195][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2654.626195][   T72]      addrconf_add_dev+0xe2/0x170
[ 2654.626195][   T72]      inet6_addr_add+0x12f/0xa40
[ 2654.626195][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2654.626195][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.626195][   T72]      netlink_rcv_skb+0x130/0x360
[ 2654.626195][   T72]      netlink_unicast+0x449/0x710
[ 2654.626195][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2654.626195][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.626195][   T72]      ___sys_sendmsg+0xee/0x170
[ 2654.626195][   T72]      __sys_sendmsg+0xcd/0x170
[ 2654.626195][   T72]      do_syscall_64+0xc6/0x1e0
[ 2654.626195][   T72] 
[ 2654.628203][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2654.628203][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2654.628203][   T72]      ipv6_find_idev+0x102/0x170
[ 2654.628203][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2654.628203][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.628203][   T72]      netlink_rcv_skb+0x130/0x360
[ 2654.628203][   T72]      netlink_unicast+0x449/0x710
[ 2654.628203][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2654.628203][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.628203][   T72]      ___sys_sendmsg+0xee/0x170
[ 2654.628203][   T72]      __sys_sendmsg+0xcd/0x170
[ 2654.628203][   T72]      do_syscall_64+0xc6/0x1e0
[ 2654.628203][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.628203][   T72] 
[ 2654.629771][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2654.629771][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2654.629771][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2654.629771][   T72]      ipv6_find_idev+0x102/0x170
[ 2654.629771][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2654.629771][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2654.629771][   T72]      netlink_rcv_skb+0x130/0x360
[ 2654.629771][   T72]      netlink_unicast+0x449/0x710
[ 2654.629771][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2654.629771][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2654.629771][   T72]      ___sys_sendmsg+0xee/0x170
[ 2654.629771][   T72]      __sys_sendmsg+0xcd/0x170
[ 2654.629771][   T72]      do_syscall_64+0xc6/0x1e0
[ 2654.629771][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2654.629771][   T72] 
[ 2664.671871][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2664.672353][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2664.672353][   T72]      netdev_get_by_index+0x5e/0x80
[ 2664.672353][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2664.672353][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2664.672353][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2664.672353][   T72]      ipv6_add_addr+0x411/0x2000
[ 2664.672353][   T72]      inet6_addr_add+0x30e/0xa40
[ 2664.672353][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2664.672353][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.672353][   T72]      netlink_rcv_skb+0x130/0x360
[ 2664.672353][   T72]      netlink_unicast+0x449/0x710
[ 2664.672353][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2664.672353][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.672353][   T72]      ___sys_sendmsg+0xee/0x170
[ 2664.672353][   T72]      __sys_sendmsg+0xcd/0x170
[ 2664.672353][   T72]      do_syscall_64+0xc6/0x1e0
[ 2664.672353][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.672353][   T72] 
[ 2664.674432][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2664.674432][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2664.674432][   T72]      ipv6_find_idev+0x102/0x170
[ 2664.674432][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2664.674432][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.674432][   T72]      netlink_rcv_skb+0x130/0x360
[ 2664.674432][   T72]      netlink_unicast+0x449/0x710
[ 2664.674432][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2664.674432][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.674432][   T72]      ___sys_sendmsg+0xee/0x170
[ 2664.674432][   T72]      __sys_sendmsg+0xcd/0x170
[ 2664.674432][   T72]      do_syscall_64+0xc6/0x1e0
[ 2664.674432][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.674432][   T72] 
[ 2664.676021][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2664.676021][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2664.676021][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2664.676021][   T72]      ipv6_find_idev+0x102/0x170
[ 2664.676021][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2664.676021][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.676021][   T72]      netlink_rcv_skb+0x130/0x360
[ 2664.676021][   T72]      netlink_unicast+0x449/0x710
[ 2664.676021][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2664.676021][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.676021][   T72]      ___sys_sendmsg+0xee/0x170
[ 2664.676021][   T72]      __sys_sendmsg+0xcd/0x170
[ 2664.676021][   T72]      do_syscall_64+0xc6/0x1e0
[ 2664.676021][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.676021][   T72] 
[ 2664.677769][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2664.678022][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2664.678022][   T72]      netdev_get_by_index+0x5e/0x80
[ 2664.678022][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2664.678022][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2664.678022][   T72]      ip6_route_add+0x1c/0x140
[ 2664.678022][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2664.678022][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2664.678022][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2664.678022][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.678022][   T72]      netlink_rcv_skb+0x130/0x360
[ 2664.678022][   T72]      netlink_unicast+0x449/0x710
[ 2664.678022][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2664.678022][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.678022][   T72]      ___sys_sendmsg+0xee/0x170
[ 2664.678022][   T72]      __sys_sendmsg+0xcd/0x170
[ 2664.678022][   T72]      do_syscall_64+0xc6/0x1e0
[ 2664.678022][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.678022][   T72] 
[ 2664.680089][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2664.680089][   T72]      netdev_get_by_index+0x5e/0x80
[ 2664.680089][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2664.680089][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2664.680089][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2664.680089][   T72]      ipv6_add_addr+0x411/0x2000
[ 2664.680089][   T72]      inet6_addr_add+0x30e/0xa40
[ 2664.680089][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2664.680089][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.680089][   T72]      netlink_rcv_skb+0x130/0x360
[ 2664.680089][   T72]      netlink_unicast+0x449/0x710
[ 2664.680089][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2664.680089][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.680089][   T72]      ___sys_sendmsg+0xee/0x170
[ 2664.680089][   T72]      __sys_sendmsg+0xcd/0x170
[ 2664.680089][   T72]      do_syscall_64+0xc6/0x1e0
[ 2664.680089][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.680089][   T72] 
[ 2664.682136][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2664.682136][   T72]      netdev_get_by_index+0x5e/0x80
[ 2664.682136][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2664.682136][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2664.682136][   T72]      ip6_route_add+0x1c/0x140
[ 2664.682136][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2664.682136][   T72]      addrconf_add_dev+0xe2/0x170
[ 2664.682136][   T72]      inet6_addr_add+0x12f/0xa40
[ 2664.682136][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2664.682136][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.682136][   T72]      netlink_rcv_skb+0x130/0x360
[ 2664.682136][   T72]      netlink_unicast+0x449/0x710
[ 2664.682136][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2664.682136][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.682136][   T72]      ___sys_sendmsg+0xee/0x170
[ 2664.682136][   T72]      __sys_sendmsg+0xcd/0x170
[ 2664.682136][   T72]      do_syscall_64+0xc6/0x1e0
[ 2664.682136][   T72] 
[ 2664.684139][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2664.684139][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2664.684139][   T72]      ipv6_find_idev+0x102/0x170
[ 2664.684139][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2664.684139][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.684139][   T72]      netlink_rcv_skb+0x130/0x360
[ 2664.684139][   T72]      netlink_unicast+0x449/0x710
[ 2664.684139][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2664.684139][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.684139][   T72]      ___sys_sendmsg+0xee/0x170
[ 2664.684139][   T72]      __sys_sendmsg+0xcd/0x170
[ 2664.684139][   T72]      do_syscall_64+0xc6/0x1e0
[ 2664.684139][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.684139][   T72] 
[ 2664.685718][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2664.685718][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2664.685718][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2664.685718][   T72]      ipv6_find_idev+0x102/0x170
[ 2664.685718][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2664.685718][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2664.685718][   T72]      netlink_rcv_skb+0x130/0x360
[ 2664.685718][   T72]      netlink_unicast+0x449/0x710
[ 2664.685718][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2664.685718][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2664.685718][   T72]      ___sys_sendmsg+0xee/0x170
[ 2664.685718][   T72]      __sys_sendmsg+0xcd/0x170
[ 2664.685718][   T72]      do_syscall_64+0xc6/0x1e0
[ 2664.685718][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2664.685718][   T72] 
[ 2674.839915][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2674.840385][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2674.840385][   T72]      netdev_get_by_index+0x5e/0x80
[ 2674.840385][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2674.840385][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2674.840385][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2674.840385][   T72]      ipv6_add_addr+0x411/0x2000
[ 2674.840385][   T72]      inet6_addr_add+0x30e/0xa40
[ 2674.840385][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2674.840385][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2674.840385][   T72]      netlink_rcv_skb+0x130/0x360
[ 2674.840385][   T72]      netlink_unicast+0x449/0x710
[ 2674.840385][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2674.840385][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2674.840385][   T72]      ___sys_sendmsg+0xee/0x170
[ 2674.840385][   T72]      __sys_sendmsg+0xcd/0x170
[ 2674.840385][   T72]      do_syscall_64+0xc6/0x1e0
[ 2674.840385][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2674.840385][   T72] 
[ 2674.842472][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2674.842472][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2674.842472][   T72]      ipv6_find_idev+0x102/0x170
[ 2674.842472][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2674.842472][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2674.842472][   T72]      netlink_rcv_skb+0x130/0x360
[ 2674.842472][   T72]      netlink_unicast+0x449/0x710
[ 2674.842472][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2674.842472][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2674.842472][   T72]      ___sys_sendmsg+0xee/0x170
[ 2674.842472][   T72]      __sys_sendmsg+0xcd/0x170
[ 2674.842472][   T72]      do_syscall_64+0xc6/0x1e0
[ 2674.842472][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2674.842472][   T72] 
[ 2674.844052][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2674.844052][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2674.844052][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2674.844052][   T72]      ipv6_find_idev+0x102/0x170
[ 2674.844052][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2674.844052][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2674.844052][   T72]      netlink_rcv_skb+0x130/0x360
[ 2674.844052][   T72]      netlink_unicast+0x449/0x710
[ 2674.844052][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2674.844052][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2674.844052][   T72]      ___sys_sendmsg+0xee/0x170
[ 2674.844052][   T72]      __sys_sendmsg+0xcd/0x170
[ 2674.844052][   T72]      do_syscall_64+0xc6/0x1e0
[ 2674.844052][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2674.844052][   T72] 
[ 2674.845804][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2674.846066][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2674.846066][   T72]      netdev_get_by_index+0x5e/0x80
[ 2674.846066][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2674.846066][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2674.846066][   T72]      ip6_route_add+0x1c/0x140
[ 2674.846066][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2674.846066][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2674.846066][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2674.846066][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2674.846066][   T72]      netlink_rcv_skb+0x130/0x360
[ 2674.846066][   T72]      netlink_unicast+0x449/0x710
[ 2674.846066][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2674.846066][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2674.846066][   T72]      ___sys_sendmsg+0xee/0x170
[ 2674.846066][   T72]      __sys_sendmsg+0xcd/0x170
[ 2674.846066][   T72]      do_syscall_64+0xc6/0x1e0
[ 2674.846066][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2674.846066][   T72] 
[ 2674.848106][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2674.848106][   T72]      netdev_get_by_index+0x5e/0x80
[ 2674.848106][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2674.848106][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2674.848106][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2674.848106][   T72]      ipv6_add_addr+0x411/0x2000
[ 2674.848106][   T72]      inet6_addr_add+0x30e/0xa40
[ 2674.848106][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2674.848106][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2674.848106][   T72]      netlink_rcv_skb+0x130/0x360
[ 2674.848106][   T72]      netlink_unicast+0x449/0x710
[ 2674.848106][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2674.848106][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2674.848106][   T72]      ___sys_sendmsg+0xee/0x170
[ 2674.848106][   T72]      __sys_sendmsg+0xcd/0x170
[ 2674.848106][   T72]      do_syscall_64+0xc6/0x1e0
[ 2674.848106][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2674.848106][   T72] 
[ 2674.850169][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2674.850169][   T72]      netdev_get_by_index+0x5e/0x80
[ 2674.850169][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2674.850169][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2674.850169][   T72]      ip6_route_add+0x1c/0x140
[ 2674.850169][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2674.850169][   T72]      addrconf_add_dev+0xe2/0x170
[ 2674.850169][   T72]      inet6_addr_add+0x12f/0xa40
[ 2674.850169][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2674.850169][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2674.850169][   T72]      netlink_rcv_skb+0x130/0x360
[ 2674.850169][   T72]      netlink_unicast+0x449/0x710
[ 2674.850169][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2674.850169][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2674.850169][   T72]      ___sys_sendmsg+0xee/0x170
[ 2674.850169][   T72]      __sys_sendmsg+0xcd/0x170
[ 2674.850169][   T72]      do_syscall_64+0xc6/0x1e0
[ 2674.850169][   T72] 
[ 2674.852200][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2674.852200][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2674.852200][   T72]      ipv6_find_idev+0x102/0x170
[ 2674.852200][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2674.852200][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2674.852200][   T72]      netlink_rcv_skb+0x130/0x360
[ 2674.852200][   T72]      netlink_unicast+0x449/0x710
[ 2674.852200][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2674.852200][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2674.852200][   T72]      ___sys_sendmsg+0xee/0x170
[ 2674.852200][   T72]      __sys_sendmsg+0xcd/0x170
[ 2674.852200][   T72]      do_syscall_64+0xc6/0x1e0
[ 2674.852200][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2674.852200][   T72] 
[ 2674.853771][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2674.853771][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2674.853771][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2674.853771][   T72]      ipv6_find_idev+0x102/0x170
[ 2674.853771][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2674.853771][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2674.853771][   T72]      netlink_rcv_skb+0x130/0x360
[ 2674.853771][   T72]      netlink_unicast+0x449/0x710
[ 2674.853771][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2674.853771][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2674.853771][   T72]      ___sys_sendmsg+0xee/0x170
[ 2674.853771][   T72]      __sys_sendmsg+0xcd/0x170
[ 2674.853771][   T72]      do_syscall_64+0xc6/0x1e0
[ 2674.853771][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2674.853771][   T72] 
[ 2684.887897][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2684.888372][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2684.888372][   T72]      netdev_get_by_index+0x5e/0x80
[ 2684.888372][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2684.888372][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2684.888372][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2684.888372][   T72]      ipv6_add_addr+0x411/0x2000
[ 2684.888372][   T72]      inet6_addr_add+0x30e/0xa40
[ 2684.888372][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2684.888372][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2684.888372][   T72]      netlink_rcv_skb+0x130/0x360
[ 2684.888372][   T72]      netlink_unicast+0x449/0x710
[ 2684.888372][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2684.888372][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2684.888372][   T72]      ___sys_sendmsg+0xee/0x170
[ 2684.888372][   T72]      __sys_sendmsg+0xcd/0x170
[ 2684.888372][   T72]      do_syscall_64+0xc6/0x1e0
[ 2684.888372][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2684.888372][   T72] 
[ 2684.890467][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2684.890467][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2684.890467][   T72]      ipv6_find_idev+0x102/0x170
[ 2684.890467][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2684.890467][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2684.890467][   T72]      netlink_rcv_skb+0x130/0x360
[ 2684.890467][   T72]      netlink_unicast+0x449/0x710
[ 2684.890467][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2684.890467][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2684.890467][   T72]      ___sys_sendmsg+0xee/0x170
[ 2684.890467][   T72]      __sys_sendmsg+0xcd/0x170
[ 2684.890467][   T72]      do_syscall_64+0xc6/0x1e0
[ 2684.890467][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2684.890467][   T72] 
[ 2684.892045][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2684.892045][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2684.892045][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2684.892045][   T72]      ipv6_find_idev+0x102/0x170
[ 2684.892045][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2684.892045][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2684.892045][   T72]      netlink_rcv_skb+0x130/0x360
[ 2684.892045][   T72]      netlink_unicast+0x449/0x710
[ 2684.892045][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2684.892045][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2684.892045][   T72]      ___sys_sendmsg+0xee/0x170
[ 2684.892045][   T72]      __sys_sendmsg+0xcd/0x170
[ 2684.892045][   T72]      do_syscall_64+0xc6/0x1e0
[ 2684.892045][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2684.892045][   T72] 
[ 2684.893795][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2684.894049][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2684.894049][   T72]      netdev_get_by_index+0x5e/0x80
[ 2684.894049][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2684.894049][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2684.894049][   T72]      ip6_route_add+0x1c/0x140
[ 2684.894049][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2684.894049][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2684.894049][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2684.894049][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2684.894049][   T72]      netlink_rcv_skb+0x130/0x360
[ 2684.894049][   T72]      netlink_unicast+0x449/0x710
[ 2684.894049][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2684.894049][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2684.894049][   T72]      ___sys_sendmsg+0xee/0x170
[ 2684.894049][   T72]      __sys_sendmsg+0xcd/0x170
[ 2684.894049][   T72]      do_syscall_64+0xc6/0x1e0
[ 2684.894049][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2684.894049][   T72] 
[ 2684.896107][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2684.896107][   T72]      netdev_get_by_index+0x5e/0x80
[ 2684.896107][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2684.896107][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2684.896107][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2684.896107][   T72]      ipv6_add_addr+0x411/0x2000
[ 2684.896107][   T72]      inet6_addr_add+0x30e/0xa40
[ 2684.896107][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2684.896107][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2684.896107][   T72]      netlink_rcv_skb+0x130/0x360
[ 2684.896107][   T72]      netlink_unicast+0x449/0x710
[ 2684.896107][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2684.896107][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2684.896107][   T72]      ___sys_sendmsg+0xee/0x170
[ 2684.896107][   T72]      __sys_sendmsg+0xcd/0x170
[ 2684.896107][   T72]      do_syscall_64+0xc6/0x1e0
[ 2684.896107][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2684.896107][   T72] 
[ 2684.898168][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2684.898168][   T72]      netdev_get_by_index+0x5e/0x80
[ 2684.898168][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2684.898168][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2684.898168][   T72]      ip6_route_add+0x1c/0x140
[ 2684.898168][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2684.898168][   T72]      addrconf_add_dev+0xe2/0x170
[ 2684.898168][   T72]      inet6_addr_add+0x12f/0xa40
[ 2684.898168][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2684.898168][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2684.898168][   T72]      netlink_rcv_skb+0x130/0x360
[ 2684.898168][   T72]      netlink_unicast+0x449/0x710
[ 2684.898168][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2684.898168][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2684.898168][   T72]      ___sys_sendmsg+0xee/0x170
[ 2684.898168][   T72]      __sys_sendmsg+0xcd/0x170
[ 2684.898168][   T72]      do_syscall_64+0xc6/0x1e0
[ 2684.898168][   T72] 
[ 2684.900184][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2684.900184][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2684.900184][   T72]      ipv6_find_idev+0x102/0x170
[ 2684.900184][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2684.900184][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2684.900184][   T72]      netlink_rcv_skb+0x130/0x360
[ 2684.900184][   T72]      netlink_unicast+0x449/0x710
[ 2684.900184][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2684.900184][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2684.900184][   T72]      ___sys_sendmsg+0xee/0x170
[ 2684.900184][   T72]      __sys_sendmsg+0xcd/0x170
[ 2684.900184][   T72]      do_syscall_64+0xc6/0x1e0
[ 2684.900184][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2684.900184][   T72] 
[ 2684.901783][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2684.901783][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2684.901783][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2684.901783][   T72]      ipv6_find_idev+0x102/0x170
[ 2684.901783][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2684.901783][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2684.901783][   T72]      netlink_rcv_skb+0x130/0x360
[ 2684.901783][   T72]      netlink_unicast+0x449/0x710
[ 2684.901783][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2684.901783][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2684.901783][   T72]      ___sys_sendmsg+0xee/0x170
[ 2684.901783][   T72]      __sys_sendmsg+0xcd/0x170
[ 2684.901783][   T72]      do_syscall_64+0xc6/0x1e0
[ 2684.901783][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2684.901783][   T72] 
[ 2695.007898][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2695.008345][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2695.008345][   T72]      netdev_get_by_index+0x5e/0x80
[ 2695.008345][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2695.008345][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2695.008345][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2695.008345][   T72]      ipv6_add_addr+0x411/0x2000
[ 2695.008345][   T72]      inet6_addr_add+0x30e/0xa40
[ 2695.008345][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2695.008345][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.008345][   T72]      netlink_rcv_skb+0x130/0x360
[ 2695.008345][   T72]      netlink_unicast+0x449/0x710
[ 2695.008345][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2695.008345][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.008345][   T72]      ___sys_sendmsg+0xee/0x170
[ 2695.008345][   T72]      __sys_sendmsg+0xcd/0x170
[ 2695.008345][   T72]      do_syscall_64+0xc6/0x1e0
[ 2695.008345][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.008345][   T72] 
[ 2695.010415][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2695.010415][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2695.010415][   T72]      ipv6_find_idev+0x102/0x170
[ 2695.010415][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2695.010415][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.010415][   T72]      netlink_rcv_skb+0x130/0x360
[ 2695.010415][   T72]      netlink_unicast+0x449/0x710
[ 2695.010415][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2695.010415][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.010415][   T72]      ___sys_sendmsg+0xee/0x170
[ 2695.010415][   T72]      __sys_sendmsg+0xcd/0x170
[ 2695.010415][   T72]      do_syscall_64+0xc6/0x1e0
[ 2695.010415][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.010415][   T72] 
[ 2695.011971][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2695.011971][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2695.011971][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2695.011971][   T72]      ipv6_find_idev+0x102/0x170
[ 2695.011971][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2695.011971][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.011971][   T72]      netlink_rcv_skb+0x130/0x360
[ 2695.011971][   T72]      netlink_unicast+0x449/0x710
[ 2695.011971][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2695.011971][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.011971][   T72]      ___sys_sendmsg+0xee/0x170
[ 2695.011971][   T72]      __sys_sendmsg+0xcd/0x170
[ 2695.011971][   T72]      do_syscall_64+0xc6/0x1e0
[ 2695.011971][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.011971][   T72] 
[ 2695.013687][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2695.013950][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2695.013950][   T72]      netdev_get_by_index+0x5e/0x80
[ 2695.013950][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2695.013950][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2695.013950][   T72]      ip6_route_add+0x1c/0x140
[ 2695.013950][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2695.013950][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2695.013950][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2695.013950][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.013950][   T72]      netlink_rcv_skb+0x130/0x360
[ 2695.013950][   T72]      netlink_unicast+0x449/0x710
[ 2695.013950][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2695.013950][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.013950][   T72]      ___sys_sendmsg+0xee/0x170
[ 2695.013950][   T72]      __sys_sendmsg+0xcd/0x170
[ 2695.013950][   T72]      do_syscall_64+0xc6/0x1e0
[ 2695.013950][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.013950][   T72] 
[ 2695.015970][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2695.015970][   T72]      netdev_get_by_index+0x5e/0x80
[ 2695.015970][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2695.015970][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2695.015970][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2695.015970][   T72]      ipv6_add_addr+0x411/0x2000
[ 2695.015970][   T72]      inet6_addr_add+0x30e/0xa40
[ 2695.015970][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2695.015970][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.015970][   T72]      netlink_rcv_skb+0x130/0x360
[ 2695.015970][   T72]      netlink_unicast+0x449/0x710
[ 2695.015970][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2695.015970][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.015970][   T72]      ___sys_sendmsg+0xee/0x170
[ 2695.015970][   T72]      __sys_sendmsg+0xcd/0x170
[ 2695.015970][   T72]      do_syscall_64+0xc6/0x1e0
[ 2695.015970][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.015970][   T72] 
[ 2695.017988][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2695.017988][   T72]      netdev_get_by_index+0x5e/0x80
[ 2695.017988][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2695.017988][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2695.017988][   T72]      ip6_route_add+0x1c/0x140
[ 2695.017988][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2695.017988][   T72]      addrconf_add_dev+0xe2/0x170
[ 2695.017988][   T72]      inet6_addr_add+0x12f/0xa40
[ 2695.017988][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2695.017988][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.017988][   T72]      netlink_rcv_skb+0x130/0x360
[ 2695.017988][   T72]      netlink_unicast+0x449/0x710
[ 2695.017988][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2695.017988][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.017988][   T72]      ___sys_sendmsg+0xee/0x170
[ 2695.017988][   T72]      __sys_sendmsg+0xcd/0x170
[ 2695.017988][   T72]      do_syscall_64+0xc6/0x1e0
[ 2695.017988][   T72] 
[ 2695.019970][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2695.019970][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2695.019970][   T72]      ipv6_find_idev+0x102/0x170
[ 2695.019970][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2695.019970][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.019970][   T72]      netlink_rcv_skb+0x130/0x360
[ 2695.019970][   T72]      netlink_unicast+0x449/0x710
[ 2695.019970][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2695.019970][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.019970][   T72]      ___sys_sendmsg+0xee/0x170
[ 2695.019970][   T72]      __sys_sendmsg+0xcd/0x170
[ 2695.019970][   T72]      do_syscall_64+0xc6/0x1e0
[ 2695.019970][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.019970][   T72] 
[ 2695.021524][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2695.021524][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2695.021524][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2695.021524][   T72]      ipv6_find_idev+0x102/0x170
[ 2695.021524][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2695.021524][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2695.021524][   T72]      netlink_rcv_skb+0x130/0x360
[ 2695.021524][   T72]      netlink_unicast+0x449/0x710
[ 2695.021524][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2695.021524][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2695.021524][   T72]      ___sys_sendmsg+0xee/0x170
[ 2695.021524][   T72]      __sys_sendmsg+0xcd/0x170
[ 2695.021524][   T72]      do_syscall_64+0xc6/0x1e0
[ 2695.021524][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2695.021524][   T72] 
[ 2705.023800][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2705.024259][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2705.024259][   T72]      netdev_get_by_index+0x5e/0x80
[ 2705.024259][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2705.024259][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2705.024259][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2705.024259][   T72]      ipv6_add_addr+0x411/0x2000
[ 2705.024259][   T72]      inet6_addr_add+0x30e/0xa40
[ 2705.024259][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2705.024259][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.024259][   T72]      netlink_rcv_skb+0x130/0x360
[ 2705.024259][   T72]      netlink_unicast+0x449/0x710
[ 2705.024259][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2705.024259][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.024259][   T72]      ___sys_sendmsg+0xee/0x170
[ 2705.024259][   T72]      __sys_sendmsg+0xcd/0x170
[ 2705.024259][   T72]      do_syscall_64+0xc6/0x1e0
[ 2705.024259][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.024259][   T72] 
[ 2705.026315][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2705.026315][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2705.026315][   T72]      ipv6_find_idev+0x102/0x170
[ 2705.026315][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2705.026315][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.026315][   T72]      netlink_rcv_skb+0x130/0x360
[ 2705.026315][   T72]      netlink_unicast+0x449/0x710
[ 2705.026315][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2705.026315][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.026315][   T72]      ___sys_sendmsg+0xee/0x170
[ 2705.026315][   T72]      __sys_sendmsg+0xcd/0x170
[ 2705.026315][   T72]      do_syscall_64+0xc6/0x1e0
[ 2705.026315][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.026315][   T72] 
[ 2705.027876][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2705.027876][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2705.027876][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2705.027876][   T72]      ipv6_find_idev+0x102/0x170
[ 2705.027876][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2705.027876][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.027876][   T72]      netlink_rcv_skb+0x130/0x360
[ 2705.027876][   T72]      netlink_unicast+0x449/0x710
[ 2705.027876][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2705.027876][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.027876][   T72]      ___sys_sendmsg+0xee/0x170
[ 2705.027876][   T72]      __sys_sendmsg+0xcd/0x170
[ 2705.027876][   T72]      do_syscall_64+0xc6/0x1e0
[ 2705.027876][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.027876][   T72] 
[ 2705.029589][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2705.029855][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2705.029855][   T72]      netdev_get_by_index+0x5e/0x80
[ 2705.029855][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2705.029855][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2705.029855][   T72]      ip6_route_add+0x1c/0x140
[ 2705.029855][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2705.029855][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2705.029855][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2705.029855][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.029855][   T72]      netlink_rcv_skb+0x130/0x360
[ 2705.029855][   T72]      netlink_unicast+0x449/0x710
[ 2705.029855][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2705.029855][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.029855][   T72]      ___sys_sendmsg+0xee/0x170
[ 2705.029855][   T72]      __sys_sendmsg+0xcd/0x170
[ 2705.029855][   T72]      do_syscall_64+0xc6/0x1e0
[ 2705.029855][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.029855][   T72] 
[ 2705.031878][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2705.031878][   T72]      netdev_get_by_index+0x5e/0x80
[ 2705.031878][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2705.031878][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2705.031878][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2705.031878][   T72]      ipv6_add_addr+0x411/0x2000
[ 2705.031878][   T72]      inet6_addr_add+0x30e/0xa40
[ 2705.031878][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2705.031878][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.031878][   T72]      netlink_rcv_skb+0x130/0x360
[ 2705.031878][   T72]      netlink_unicast+0x449/0x710
[ 2705.031878][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2705.031878][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.031878][   T72]      ___sys_sendmsg+0xee/0x170
[ 2705.031878][   T72]      __sys_sendmsg+0xcd/0x170
[ 2705.031878][   T72]      do_syscall_64+0xc6/0x1e0
[ 2705.031878][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.031878][   T72] 
[ 2705.033908][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2705.033908][   T72]      netdev_get_by_index+0x5e/0x80
[ 2705.033908][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2705.033908][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2705.033908][   T72]      ip6_route_add+0x1c/0x140
[ 2705.033908][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2705.033908][   T72]      addrconf_add_dev+0xe2/0x170
[ 2705.033908][   T72]      inet6_addr_add+0x12f/0xa40
[ 2705.033908][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2705.033908][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.033908][   T72]      netlink_rcv_skb+0x130/0x360
[ 2705.033908][   T72]      netlink_unicast+0x449/0x710
[ 2705.033908][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2705.033908][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.033908][   T72]      ___sys_sendmsg+0xee/0x170
[ 2705.033908][   T72]      __sys_sendmsg+0xcd/0x170
[ 2705.033908][   T72]      do_syscall_64+0xc6/0x1e0
[ 2705.033908][   T72] 
[ 2705.035911][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2705.035911][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2705.035911][   T72]      ipv6_find_idev+0x102/0x170
[ 2705.035911][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2705.035911][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.035911][   T72]      netlink_rcv_skb+0x130/0x360
[ 2705.035911][   T72]      netlink_unicast+0x449/0x710
[ 2705.035911][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2705.035911][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.035911][   T72]      ___sys_sendmsg+0xee/0x170
[ 2705.035911][   T72]      __sys_sendmsg+0xcd/0x170
[ 2705.035911][   T72]      do_syscall_64+0xc6/0x1e0
[ 2705.035911][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.035911][   T72] 
[ 2705.037486][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2705.037486][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2705.037486][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2705.037486][   T72]      ipv6_find_idev+0x102/0x170
[ 2705.037486][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2705.037486][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2705.037486][   T72]      netlink_rcv_skb+0x130/0x360
[ 2705.037486][   T72]      netlink_unicast+0x449/0x710
[ 2705.037486][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2705.037486][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2705.037486][   T72]      ___sys_sendmsg+0xee/0x170
[ 2705.037486][   T72]      __sys_sendmsg+0xcd/0x170
[ 2705.037486][   T72]      do_syscall_64+0xc6/0x1e0
[ 2705.037486][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2705.037486][   T72] 
[ 2715.279818][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2715.280264][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2715.280264][   T72]      netdev_get_by_index+0x5e/0x80
[ 2715.280264][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2715.280264][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2715.280264][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2715.280264][   T72]      ipv6_add_addr+0x411/0x2000
[ 2715.280264][   T72]      inet6_addr_add+0x30e/0xa40
[ 2715.280264][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2715.280264][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2715.280264][   T72]      netlink_rcv_skb+0x130/0x360
[ 2715.280264][   T72]      netlink_unicast+0x449/0x710
[ 2715.280264][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2715.280264][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2715.280264][   T72]      ___sys_sendmsg+0xee/0x170
[ 2715.280264][   T72]      __sys_sendmsg+0xcd/0x170
[ 2715.280264][   T72]      do_syscall_64+0xc6/0x1e0
[ 2715.280264][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2715.280264][   T72] 
[ 2715.282330][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2715.282330][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2715.282330][   T72]      ipv6_find_idev+0x102/0x170
[ 2715.282330][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2715.282330][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2715.282330][   T72]      netlink_rcv_skb+0x130/0x360
[ 2715.282330][   T72]      netlink_unicast+0x449/0x710
[ 2715.282330][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2715.282330][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2715.282330][   T72]      ___sys_sendmsg+0xee/0x170
[ 2715.282330][   T72]      __sys_sendmsg+0xcd/0x170
[ 2715.282330][   T72]      do_syscall_64+0xc6/0x1e0
[ 2715.282330][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2715.282330][   T72] 
[ 2715.283894][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2715.283894][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2715.283894][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2715.283894][   T72]      ipv6_find_idev+0x102/0x170
[ 2715.283894][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2715.283894][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2715.283894][   T72]      netlink_rcv_skb+0x130/0x360
[ 2715.283894][   T72]      netlink_unicast+0x449/0x710
[ 2715.283894][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2715.283894][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2715.283894][   T72]      ___sys_sendmsg+0xee/0x170
[ 2715.283894][   T72]      __sys_sendmsg+0xcd/0x170
[ 2715.283894][   T72]      do_syscall_64+0xc6/0x1e0
[ 2715.283894][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2715.283894][   T72] 
[ 2715.285603][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2715.285867][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2715.285867][   T72]      netdev_get_by_index+0x5e/0x80
[ 2715.285867][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2715.285867][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2715.285867][   T72]      ip6_route_add+0x1c/0x140
[ 2715.285867][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2715.285867][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2715.285867][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2715.285867][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2715.285867][   T72]      netlink_rcv_skb+0x130/0x360
[ 2715.285867][   T72]      netlink_unicast+0x449/0x710
[ 2715.285867][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2715.285867][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2715.285867][   T72]      ___sys_sendmsg+0xee/0x170
[ 2715.285867][   T72]      __sys_sendmsg+0xcd/0x170
[ 2715.285867][   T72]      do_syscall_64+0xc6/0x1e0
[ 2715.285867][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2715.285867][   T72] 
[ 2715.287898][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2715.287898][   T72]      netdev_get_by_index+0x5e/0x80
[ 2715.287898][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2715.287898][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2715.287898][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2715.287898][   T72]      ipv6_add_addr+0x411/0x2000
[ 2715.287898][   T72]      inet6_addr_add+0x30e/0xa40
[ 2715.287898][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2715.287898][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2715.287898][   T72]      netlink_rcv_skb+0x130/0x360
[ 2715.287898][   T72]      netlink_unicast+0x449/0x710
[ 2715.287898][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2715.287898][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2715.287898][   T72]      ___sys_sendmsg+0xee/0x170
[ 2715.287898][   T72]      __sys_sendmsg+0xcd/0x170
[ 2715.287898][   T72]      do_syscall_64+0xc6/0x1e0
[ 2715.287898][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2715.287898][   T72] 
[ 2715.289922][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2715.289922][   T72]      netdev_get_by_index+0x5e/0x80
[ 2715.289922][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2715.289922][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2715.289922][   T72]      ip6_route_add+0x1c/0x140
[ 2715.289922][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2715.289922][   T72]      addrconf_add_dev+0xe2/0x170
[ 2715.289922][   T72]      inet6_addr_add+0x12f/0xa40
[ 2715.289922][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2715.289922][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2715.289922][   T72]      netlink_rcv_skb+0x130/0x360
[ 2715.289922][   T72]      netlink_unicast+0x449/0x710
[ 2715.289922][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2715.289922][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2715.289922][   T72]      ___sys_sendmsg+0xee/0x170
[ 2715.289922][   T72]      __sys_sendmsg+0xcd/0x170
[ 2715.289922][   T72]      do_syscall_64+0xc6/0x1e0
[ 2715.289922][   T72] 
[ 2715.291899][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2715.291899][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2715.291899][   T72]      ipv6_find_idev+0x102/0x170
[ 2715.291899][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2715.291899][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2715.291899][   T72]      netlink_rcv_skb+0x130/0x360
[ 2715.291899][   T72]      netlink_unicast+0x449/0x710
[ 2715.291899][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2715.291899][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2715.291899][   T72]      ___sys_sendmsg+0xee/0x170
[ 2715.291899][   T72]      __sys_sendmsg+0xcd/0x170
[ 2715.291899][   T72]      do_syscall_64+0xc6/0x1e0
[ 2715.291899][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2715.291899][   T72] 
[ 2715.293484][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2715.293484][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2715.293484][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2715.293484][   T72]      ipv6_find_idev+0x102/0x170
[ 2715.293484][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2715.293484][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2715.293484][   T72]      netlink_rcv_skb+0x130/0x360
[ 2715.293484][   T72]      netlink_unicast+0x449/0x710
[ 2715.293484][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2715.293484][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2715.293484][   T72]      ___sys_sendmsg+0xee/0x170
[ 2715.293484][   T72]      __sys_sendmsg+0xcd/0x170
[ 2715.293484][   T72]      do_syscall_64+0xc6/0x1e0
[ 2715.293484][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2715.293484][   T72] 
[ 2725.535890][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2725.536278][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2725.536278][   T72]      netdev_get_by_index+0x5e/0x80
[ 2725.536278][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2725.536278][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2725.536278][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2725.536278][   T72]      ipv6_add_addr+0x411/0x2000
[ 2725.536278][   T72]      inet6_addr_add+0x30e/0xa40
[ 2725.536278][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2725.536278][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2725.536278][   T72]      netlink_rcv_skb+0x130/0x360
[ 2725.536278][   T72]      netlink_unicast+0x449/0x710
[ 2725.536278][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2725.536278][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2725.536278][   T72]      ___sys_sendmsg+0xee/0x170
[ 2725.536278][   T72]      __sys_sendmsg+0xcd/0x170
[ 2725.536278][   T72]      do_syscall_64+0xc6/0x1e0
[ 2725.536278][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2725.536278][   T72] 
[ 2725.538397][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2725.538397][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2725.538397][   T72]      ipv6_find_idev+0x102/0x170
[ 2725.538397][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2725.538397][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2725.538397][   T72]      netlink_rcv_skb+0x130/0x360
[ 2725.538397][   T72]      netlink_unicast+0x449/0x710
[ 2725.538397][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2725.538397][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2725.538397][   T72]      ___sys_sendmsg+0xee/0x170
[ 2725.538397][   T72]      __sys_sendmsg+0xcd/0x170
[ 2725.538397][   T72]      do_syscall_64+0xc6/0x1e0
[ 2725.538397][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2725.538397][   T72] 
[ 2725.539964][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2725.539964][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2725.539964][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2725.539964][   T72]      ipv6_find_idev+0x102/0x170
[ 2725.539964][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2725.539964][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2725.539964][   T72]      netlink_rcv_skb+0x130/0x360
[ 2725.539964][   T72]      netlink_unicast+0x449/0x710
[ 2725.539964][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2725.539964][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2725.539964][   T72]      ___sys_sendmsg+0xee/0x170
[ 2725.539964][   T72]      __sys_sendmsg+0xcd/0x170
[ 2725.539964][   T72]      do_syscall_64+0xc6/0x1e0
[ 2725.539964][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2725.539964][   T72] 
[ 2725.541695][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2725.541965][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2725.541965][   T72]      netdev_get_by_index+0x5e/0x80
[ 2725.541965][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2725.541965][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2725.541965][   T72]      ip6_route_add+0x1c/0x140
[ 2725.541965][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2725.541965][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2725.541965][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2725.541965][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2725.541965][   T72]      netlink_rcv_skb+0x130/0x360
[ 2725.541965][   T72]      netlink_unicast+0x449/0x710
[ 2725.541965][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2725.541965][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2725.541965][   T72]      ___sys_sendmsg+0xee/0x170
[ 2725.541965][   T72]      __sys_sendmsg+0xcd/0x170
[ 2725.541965][   T72]      do_syscall_64+0xc6/0x1e0
[ 2725.541965][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2725.541965][   T72] 
[ 2725.543985][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2725.543985][   T72]      netdev_get_by_index+0x5e/0x80
[ 2725.543985][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2725.543985][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2725.543985][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2725.543985][   T72]      ipv6_add_addr+0x411/0x2000
[ 2725.543985][   T72]      inet6_addr_add+0x30e/0xa40
[ 2725.543985][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2725.543985][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2725.543985][   T72]      netlink_rcv_skb+0x130/0x360
[ 2725.543985][   T72]      netlink_unicast+0x449/0x710
[ 2725.543985][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2725.543985][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2725.543985][   T72]      ___sys_sendmsg+0xee/0x170
[ 2725.543985][   T72]      __sys_sendmsg+0xcd/0x170
[ 2725.543985][   T72]      do_syscall_64+0xc6/0x1e0
[ 2725.543985][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2725.543985][   T72] 
[ 2725.546013][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2725.546013][   T72]      netdev_get_by_index+0x5e/0x80
[ 2725.546013][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2725.546013][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2725.546013][   T72]      ip6_route_add+0x1c/0x140
[ 2725.546013][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2725.546013][   T72]      addrconf_add_dev+0xe2/0x170
[ 2725.546013][   T72]      inet6_addr_add+0x12f/0xa40
[ 2725.546013][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2725.546013][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2725.546013][   T72]      netlink_rcv_skb+0x130/0x360
[ 2725.546013][   T72]      netlink_unicast+0x449/0x710
[ 2725.546013][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2725.546013][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2725.546013][   T72]      ___sys_sendmsg+0xee/0x170
[ 2725.546013][   T72]      __sys_sendmsg+0xcd/0x170
[ 2725.546013][   T72]      do_syscall_64+0xc6/0x1e0
[ 2725.546013][   T72] 
[ 2725.547986][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2725.547986][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2725.547986][   T72]      ipv6_find_idev+0x102/0x170
[ 2725.547986][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2725.547986][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2725.547986][   T72]      netlink_rcv_skb+0x130/0x360
[ 2725.547986][   T72]      netlink_unicast+0x449/0x710
[ 2725.547986][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2725.547986][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2725.547986][   T72]      ___sys_sendmsg+0xee/0x170
[ 2725.547986][   T72]      __sys_sendmsg+0xcd/0x170
[ 2725.547986][   T72]      do_syscall_64+0xc6/0x1e0
[ 2725.547986][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2725.547986][   T72] 
[ 2725.550103][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2725.550103][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2725.550103][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2725.550103][   T72]      ipv6_find_idev+0x102/0x170
[ 2725.550103][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2725.550103][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2725.550103][   T72]      netlink_rcv_skb+0x130/0x360
[ 2725.550103][   T72]      netlink_unicast+0x449/0x710
[ 2725.550103][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2725.550103][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2725.550103][   T72]      ___sys_sendmsg+0xee/0x170
[ 2725.550103][   T72]      __sys_sendmsg+0xcd/0x170
[ 2725.550103][   T72]      do_syscall_64+0xc6/0x1e0
[ 2725.550103][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2725.550103][   T72] 
[ 2735.791881][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2735.792336][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2735.792336][   T72]      netdev_get_by_index+0x5e/0x80
[ 2735.792336][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2735.792336][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2735.792336][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2735.792336][   T72]      ipv6_add_addr+0x411/0x2000
[ 2735.792336][   T72]      inet6_addr_add+0x30e/0xa40
[ 2735.792336][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.792336][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.792336][   T72]      netlink_rcv_skb+0x130/0x360
[ 2735.792336][   T72]      netlink_unicast+0x449/0x710
[ 2735.792336][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2735.792336][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.792336][   T72]      ___sys_sendmsg+0xee/0x170
[ 2735.792336][   T72]      __sys_sendmsg+0xcd/0x170
[ 2735.792336][   T72]      do_syscall_64+0xc6/0x1e0
[ 2735.792336][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.792336][   T72] 
[ 2735.794392][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2735.794392][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2735.794392][   T72]      ipv6_find_idev+0x102/0x170
[ 2735.794392][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2735.794392][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.794392][   T72]      netlink_rcv_skb+0x130/0x360
[ 2735.794392][   T72]      netlink_unicast+0x449/0x710
[ 2735.794392][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2735.794392][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.794392][   T72]      ___sys_sendmsg+0xee/0x170
[ 2735.794392][   T72]      __sys_sendmsg+0xcd/0x170
[ 2735.794392][   T72]      do_syscall_64+0xc6/0x1e0
[ 2735.794392][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.794392][   T72] 
[ 2735.795955][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2735.795955][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2735.795955][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2735.795955][   T72]      ipv6_find_idev+0x102/0x170
[ 2735.795955][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2735.795955][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.795955][   T72]      netlink_rcv_skb+0x130/0x360
[ 2735.795955][   T72]      netlink_unicast+0x449/0x710
[ 2735.795955][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2735.795955][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.795955][   T72]      ___sys_sendmsg+0xee/0x170
[ 2735.795955][   T72]      __sys_sendmsg+0xcd/0x170
[ 2735.795955][   T72]      do_syscall_64+0xc6/0x1e0
[ 2735.795955][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.795955][   T72] 
[ 2735.797670][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2735.797934][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2735.797934][   T72]      netdev_get_by_index+0x5e/0x80
[ 2735.797934][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2735.797934][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2735.797934][   T72]      ip6_route_add+0x1c/0x140
[ 2735.797934][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2735.797934][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2735.797934][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.797934][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.797934][   T72]      netlink_rcv_skb+0x130/0x360
[ 2735.797934][   T72]      netlink_unicast+0x449/0x710
[ 2735.797934][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2735.797934][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.797934][   T72]      ___sys_sendmsg+0xee/0x170
[ 2735.797934][   T72]      __sys_sendmsg+0xcd/0x170
[ 2735.797934][   T72]      do_syscall_64+0xc6/0x1e0
[ 2735.797934][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.797934][   T72] 
[ 2735.799983][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2735.799983][   T72]      netdev_get_by_index+0x5e/0x80
[ 2735.799983][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2735.799983][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2735.799983][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2735.799983][   T72]      ipv6_add_addr+0x411/0x2000
[ 2735.799983][   T72]      inet6_addr_add+0x30e/0xa40
[ 2735.799983][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.799983][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.799983][   T72]      netlink_rcv_skb+0x130/0x360
[ 2735.799983][   T72]      netlink_unicast+0x449/0x710
[ 2735.799983][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2735.799983][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.799983][   T72]      ___sys_sendmsg+0xee/0x170
[ 2735.799983][   T72]      __sys_sendmsg+0xcd/0x170
[ 2735.799983][   T72]      do_syscall_64+0xc6/0x1e0
[ 2735.799983][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.799983][   T72] 
[ 2735.802009][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2735.802009][   T72]      netdev_get_by_index+0x5e/0x80
[ 2735.802009][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2735.802009][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2735.802009][   T72]      ip6_route_add+0x1c/0x140
[ 2735.802009][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2735.802009][   T72]      addrconf_add_dev+0xe2/0x170
[ 2735.802009][   T72]      inet6_addr_add+0x12f/0xa40
[ 2735.802009][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.802009][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.802009][   T72]      netlink_rcv_skb+0x130/0x360
[ 2735.802009][   T72]      netlink_unicast+0x449/0x710
[ 2735.802009][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2735.802009][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.802009][   T72]      ___sys_sendmsg+0xee/0x170
[ 2735.802009][   T72]      __sys_sendmsg+0xcd/0x170
[ 2735.802009][   T72]      do_syscall_64+0xc6/0x1e0
[ 2735.802009][   T72] 
[ 2735.804000][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2735.804000][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2735.804000][   T72]      ipv6_find_idev+0x102/0x170
[ 2735.804000][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2735.804000][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.804000][   T72]      netlink_rcv_skb+0x130/0x360
[ 2735.804000][   T72]      netlink_unicast+0x449/0x710
[ 2735.804000][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2735.804000][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.804000][   T72]      ___sys_sendmsg+0xee/0x170
[ 2735.804000][   T72]      __sys_sendmsg+0xcd/0x170
[ 2735.804000][   T72]      do_syscall_64+0xc6/0x1e0
[ 2735.804000][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.804000][   T72] 
[ 2735.805558][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2735.805558][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2735.805558][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2735.805558][   T72]      ipv6_find_idev+0x102/0x170
[ 2735.805558][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2735.805558][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.805558][   T72]      netlink_rcv_skb+0x130/0x360
[ 2735.805558][   T72]      netlink_unicast+0x449/0x710
[ 2735.805558][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2735.805558][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.805558][   T72]      ___sys_sendmsg+0xee/0x170
[ 2735.805558][   T72]      __sys_sendmsg+0xcd/0x170
[ 2735.805558][   T72]      do_syscall_64+0xc6/0x1e0
[ 2735.805558][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.805558][   T72] 
[ 2745.919813][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2745.920250][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2745.920250][   T72]      netdev_get_by_index+0x5e/0x80
[ 2745.920250][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2745.920250][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2745.920250][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2745.920250][   T72]      ipv6_add_addr+0x411/0x2000
[ 2745.920250][   T72]      inet6_addr_add+0x30e/0xa40
[ 2745.920250][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.920250][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.920250][   T72]      netlink_rcv_skb+0x130/0x360
[ 2745.920250][   T72]      netlink_unicast+0x449/0x710
[ 2745.920250][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2745.920250][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.920250][   T72]      ___sys_sendmsg+0xee/0x170
[ 2745.920250][   T72]      __sys_sendmsg+0xcd/0x170
[ 2745.920250][   T72]      do_syscall_64+0xc6/0x1e0
[ 2745.920250][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.920250][   T72] 
[ 2745.922311][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2745.922311][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2745.922311][   T72]      ipv6_find_idev+0x102/0x170
[ 2745.922311][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2745.922311][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.922311][   T72]      netlink_rcv_skb+0x130/0x360
[ 2745.922311][   T72]      netlink_unicast+0x449/0x710
[ 2745.922311][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2745.922311][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.922311][   T72]      ___sys_sendmsg+0xee/0x170
[ 2745.922311][   T72]      __sys_sendmsg+0xcd/0x170
[ 2745.922311][   T72]      do_syscall_64+0xc6/0x1e0
[ 2745.922311][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.922311][   T72] 
[ 2745.923881][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2745.923881][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2745.923881][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2745.923881][   T72]      ipv6_find_idev+0x102/0x170
[ 2745.923881][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2745.923881][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.923881][   T72]      netlink_rcv_skb+0x130/0x360
[ 2745.923881][   T72]      netlink_unicast+0x449/0x710
[ 2745.923881][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2745.923881][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.923881][   T72]      ___sys_sendmsg+0xee/0x170
[ 2745.923881][   T72]      __sys_sendmsg+0xcd/0x170
[ 2745.923881][   T72]      do_syscall_64+0xc6/0x1e0
[ 2745.923881][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.923881][   T72] 
[ 2745.925589][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2745.925848][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2745.925848][   T72]      netdev_get_by_index+0x5e/0x80
[ 2745.925848][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2745.925848][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2745.925848][   T72]      ip6_route_add+0x1c/0x140
[ 2745.925848][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2745.925848][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2745.925848][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.925848][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.925848][   T72]      netlink_rcv_skb+0x130/0x360
[ 2745.925848][   T72]      netlink_unicast+0x449/0x710
[ 2745.925848][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2745.925848][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.925848][   T72]      ___sys_sendmsg+0xee/0x170
[ 2745.925848][   T72]      __sys_sendmsg+0xcd/0x170
[ 2745.925848][   T72]      do_syscall_64+0xc6/0x1e0
[ 2745.925848][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.925848][   T72] 
[ 2745.927863][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2745.927863][   T72]      netdev_get_by_index+0x5e/0x80
[ 2745.927863][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2745.927863][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2745.927863][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2745.927863][   T72]      ipv6_add_addr+0x411/0x2000
[ 2745.927863][   T72]      inet6_addr_add+0x30e/0xa40
[ 2745.927863][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.927863][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.927863][   T72]      netlink_rcv_skb+0x130/0x360
[ 2745.927863][   T72]      netlink_unicast+0x449/0x710
[ 2745.927863][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2745.927863][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.927863][   T72]      ___sys_sendmsg+0xee/0x170
[ 2745.927863][   T72]      __sys_sendmsg+0xcd/0x170
[ 2745.927863][   T72]      do_syscall_64+0xc6/0x1e0
[ 2745.927863][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.927863][   T72] 
[ 2745.929897][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2745.929897][   T72]      netdev_get_by_index+0x5e/0x80
[ 2745.929897][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2745.929897][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2745.929897][   T72]      ip6_route_add+0x1c/0x140
[ 2745.929897][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2745.929897][   T72]      addrconf_add_dev+0xe2/0x170
[ 2745.929897][   T72]      inet6_addr_add+0x12f/0xa40
[ 2745.929897][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.929897][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.929897][   T72]      netlink_rcv_skb+0x130/0x360
[ 2745.929897][   T72]      netlink_unicast+0x449/0x710
[ 2745.929897][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2745.929897][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.929897][   T72]      ___sys_sendmsg+0xee/0x170
[ 2745.929897][   T72]      __sys_sendmsg+0xcd/0x170
[ 2745.929897][   T72]      do_syscall_64+0xc6/0x1e0
[ 2745.929897][   T72] 
[ 2745.931878][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2745.931878][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2745.931878][   T72]      ipv6_find_idev+0x102/0x170
[ 2745.931878][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2745.931878][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.931878][   T72]      netlink_rcv_skb+0x130/0x360
[ 2745.931878][   T72]      netlink_unicast+0x449/0x710
[ 2745.931878][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2745.931878][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.931878][   T72]      ___sys_sendmsg+0xee/0x170
[ 2745.931878][   T72]      __sys_sendmsg+0xcd/0x170
[ 2745.931878][   T72]      do_syscall_64+0xc6/0x1e0
[ 2745.931878][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.931878][   T72] 
[ 2745.933432][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2745.933432][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2745.933432][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2745.933432][   T72]      ipv6_find_idev+0x102/0x170
[ 2745.933432][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2745.933432][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.933432][   T72]      netlink_rcv_skb+0x130/0x360
[ 2745.933432][   T72]      netlink_unicast+0x449/0x710
[ 2745.933432][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2745.933432][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.933432][   T72]      ___sys_sendmsg+0xee/0x170
[ 2745.933432][   T72]      __sys_sendmsg+0xcd/0x170
[ 2745.933432][   T72]      do_syscall_64+0xc6/0x1e0
[ 2745.933432][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.933432][   T72] 
[ 2756.175900][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2756.176347][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2756.176347][   T72]      netdev_get_by_index+0x5e/0x80
[ 2756.176347][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2756.176347][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2756.176347][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2756.176347][   T72]      ipv6_add_addr+0x411/0x2000
[ 2756.176347][   T72]      inet6_addr_add+0x30e/0xa40
[ 2756.176347][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2756.176347][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.176347][   T72]      netlink_rcv_skb+0x130/0x360
[ 2756.176347][   T72]      netlink_unicast+0x449/0x710
[ 2756.176347][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2756.176347][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.176347][   T72]      ___sys_sendmsg+0xee/0x170
[ 2756.176347][   T72]      __sys_sendmsg+0xcd/0x170
[ 2756.176347][   T72]      do_syscall_64+0xc6/0x1e0
[ 2756.176347][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.176347][   T72] 
[ 2756.178414][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2756.178414][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2756.178414][   T72]      ipv6_find_idev+0x102/0x170
[ 2756.178414][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2756.178414][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.178414][   T72]      netlink_rcv_skb+0x130/0x360
[ 2756.178414][   T72]      netlink_unicast+0x449/0x710
[ 2756.178414][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2756.178414][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.178414][   T72]      ___sys_sendmsg+0xee/0x170
[ 2756.178414][   T72]      __sys_sendmsg+0xcd/0x170
[ 2756.178414][   T72]      do_syscall_64+0xc6/0x1e0
[ 2756.178414][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.178414][   T72] 
[ 2756.179979][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2756.179979][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2756.179979][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2756.179979][   T72]      ipv6_find_idev+0x102/0x170
[ 2756.179979][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2756.179979][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.179979][   T72]      netlink_rcv_skb+0x130/0x360
[ 2756.179979][   T72]      netlink_unicast+0x449/0x710
[ 2756.179979][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2756.179979][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.179979][   T72]      ___sys_sendmsg+0xee/0x170
[ 2756.179979][   T72]      __sys_sendmsg+0xcd/0x170
[ 2756.179979][   T72]      do_syscall_64+0xc6/0x1e0
[ 2756.179979][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.179979][   T72] 
[ 2756.181692][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2756.182006][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2756.182006][   T72]      netdev_get_by_index+0x5e/0x80
[ 2756.182006][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2756.182006][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2756.182006][   T72]      ip6_route_add+0x1c/0x140
[ 2756.182006][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2756.182006][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2756.182006][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2756.182006][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.182006][   T72]      netlink_rcv_skb+0x130/0x360
[ 2756.182006][   T72]      netlink_unicast+0x449/0x710
[ 2756.182006][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2756.182006][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.182006][   T72]      ___sys_sendmsg+0xee/0x170
[ 2756.182006][   T72]      __sys_sendmsg+0xcd/0x170
[ 2756.182006][   T72]      do_syscall_64+0xc6/0x1e0
[ 2756.182006][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.182006][   T72] 
[ 2756.184037][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2756.184037][   T72]      netdev_get_by_index+0x5e/0x80
[ 2756.184037][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2756.184037][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2756.184037][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2756.184037][   T72]      ipv6_add_addr+0x411/0x2000
[ 2756.184037][   T72]      inet6_addr_add+0x30e/0xa40
[ 2756.184037][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2756.184037][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.184037][   T72]      netlink_rcv_skb+0x130/0x360
[ 2756.184037][   T72]      netlink_unicast+0x449/0x710
[ 2756.184037][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2756.184037][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.184037][   T72]      ___sys_sendmsg+0xee/0x170
[ 2756.184037][   T72]      __sys_sendmsg+0xcd/0x170
[ 2756.184037][   T72]      do_syscall_64+0xc6/0x1e0
[ 2756.184037][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.184037][   T72] 
[ 2756.186067][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2756.186067][   T72]      netdev_get_by_index+0x5e/0x80
[ 2756.186067][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2756.186067][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2756.186067][   T72]      ip6_route_add+0x1c/0x140
[ 2756.186067][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2756.186067][   T72]      addrconf_add_dev+0xe2/0x170
[ 2756.186067][   T72]      inet6_addr_add+0x12f/0xa40
[ 2756.186067][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2756.186067][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.186067][   T72]      netlink_rcv_skb+0x130/0x360
[ 2756.186067][   T72]      netlink_unicast+0x449/0x710
[ 2756.186067][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2756.186067][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.186067][   T72]      ___sys_sendmsg+0xee/0x170
[ 2756.186067][   T72]      __sys_sendmsg+0xcd/0x170
[ 2756.186067][   T72]      do_syscall_64+0xc6/0x1e0
[ 2756.186067][   T72] 
[ 2756.188047][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2756.188047][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2756.188047][   T72]      ipv6_find_idev+0x102/0x170
[ 2756.188047][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2756.188047][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.188047][   T72]      netlink_rcv_skb+0x130/0x360
[ 2756.188047][   T72]      netlink_unicast+0x449/0x710
[ 2756.188047][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2756.188047][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.188047][   T72]      ___sys_sendmsg+0xee/0x170
[ 2756.188047][   T72]      __sys_sendmsg+0xcd/0x170
[ 2756.188047][   T72]      do_syscall_64+0xc6/0x1e0
[ 2756.188047][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.188047][   T72] 
[ 2756.189606][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2756.189606][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2756.189606][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2756.189606][   T72]      ipv6_find_idev+0x102/0x170
[ 2756.189606][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2756.189606][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2756.189606][   T72]      netlink_rcv_skb+0x130/0x360
[ 2756.189606][   T72]      netlink_unicast+0x449/0x710
[ 2756.189606][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2756.189606][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2756.189606][   T72]      ___sys_sendmsg+0xee/0x170
[ 2756.189606][   T72]      __sys_sendmsg+0xcd/0x170
[ 2756.189606][   T72]      do_syscall_64+0xc6/0x1e0
[ 2756.189606][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2756.189606][   T72] 
[ 2766.431869][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2766.432345][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2766.432345][   T72]      netdev_get_by_index+0x5e/0x80
[ 2766.432345][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2766.432345][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2766.432345][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2766.432345][   T72]      ipv6_add_addr+0x411/0x2000
[ 2766.432345][   T72]      inet6_addr_add+0x30e/0xa40
[ 2766.432345][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2766.432345][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2766.432345][   T72]      netlink_rcv_skb+0x130/0x360
[ 2766.432345][   T72]      netlink_unicast+0x449/0x710
[ 2766.432345][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2766.432345][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2766.432345][   T72]      ___sys_sendmsg+0xee/0x170
[ 2766.432345][   T72]      __sys_sendmsg+0xcd/0x170
[ 2766.432345][   T72]      do_syscall_64+0xc6/0x1e0
[ 2766.432345][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2766.432345][   T72] 
[ 2766.434382][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2766.434382][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2766.434382][   T72]      ipv6_find_idev+0x102/0x170
[ 2766.434382][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2766.434382][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2766.434382][   T72]      netlink_rcv_skb+0x130/0x360
[ 2766.434382][   T72]      netlink_unicast+0x449/0x710
[ 2766.434382][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2766.434382][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2766.434382][   T72]      ___sys_sendmsg+0xee/0x170
[ 2766.434382][   T72]      __sys_sendmsg+0xcd/0x170
[ 2766.434382][   T72]      do_syscall_64+0xc6/0x1e0
[ 2766.434382][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2766.434382][   T72] 
[ 2766.435938][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2766.435938][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2766.435938][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2766.435938][   T72]      ipv6_find_idev+0x102/0x170
[ 2766.435938][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2766.435938][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2766.435938][   T72]      netlink_rcv_skb+0x130/0x360
[ 2766.435938][   T72]      netlink_unicast+0x449/0x710
[ 2766.435938][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2766.435938][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2766.435938][   T72]      ___sys_sendmsg+0xee/0x170
[ 2766.435938][   T72]      __sys_sendmsg+0xcd/0x170
[ 2766.435938][   T72]      do_syscall_64+0xc6/0x1e0
[ 2766.435938][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2766.435938][   T72] 
[ 2766.437642][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2766.437901][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2766.437901][   T72]      netdev_get_by_index+0x5e/0x80
[ 2766.437901][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2766.437901][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2766.437901][   T72]      ip6_route_add+0x1c/0x140
[ 2766.437901][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2766.437901][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2766.437901][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2766.437901][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2766.437901][   T72]      netlink_rcv_skb+0x130/0x360
[ 2766.437901][   T72]      netlink_unicast+0x449/0x710
[ 2766.437901][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2766.437901][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2766.437901][   T72]      ___sys_sendmsg+0xee/0x170
[ 2766.437901][   T72]      __sys_sendmsg+0xcd/0x170
[ 2766.437901][   T72]      do_syscall_64+0xc6/0x1e0
[ 2766.437901][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2766.437901][   T72] 
[ 2766.439974][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2766.439974][   T72]      netdev_get_by_index+0x5e/0x80
[ 2766.439974][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2766.439974][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2766.439974][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2766.439974][   T72]      ipv6_add_addr+0x411/0x2000
[ 2766.439974][   T72]      inet6_addr_add+0x30e/0xa40
[ 2766.439974][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2766.439974][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2766.439974][   T72]      netlink_rcv_skb+0x130/0x360
[ 2766.439974][   T72]      netlink_unicast+0x449/0x710
[ 2766.439974][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2766.439974][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2766.439974][   T72]      ___sys_sendmsg+0xee/0x170
[ 2766.439974][   T72]      __sys_sendmsg+0xcd/0x170
[ 2766.439974][   T72]      do_syscall_64+0xc6/0x1e0
[ 2766.439974][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2766.439974][   T72] 
[ 2766.442000][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2766.442000][   T72]      netdev_get_by_index+0x5e/0x80
[ 2766.442000][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2766.442000][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2766.442000][   T72]      ip6_route_add+0x1c/0x140
[ 2766.442000][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2766.442000][   T72]      addrconf_add_dev+0xe2/0x170
[ 2766.442000][   T72]      inet6_addr_add+0x12f/0xa40
[ 2766.442000][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2766.442000][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2766.442000][   T72]      netlink_rcv_skb+0x130/0x360
[ 2766.442000][   T72]      netlink_unicast+0x449/0x710
[ 2766.442000][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2766.442000][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2766.442000][   T72]      ___sys_sendmsg+0xee/0x170
[ 2766.442000][   T72]      __sys_sendmsg+0xcd/0x170
[ 2766.442000][   T72]      do_syscall_64+0xc6/0x1e0
[ 2766.442000][   T72] 
[ 2766.443979][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2766.443979][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2766.443979][   T72]      ipv6_find_idev+0x102/0x170
[ 2766.443979][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2766.443979][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2766.443979][   T72]      netlink_rcv_skb+0x130/0x360
[ 2766.443979][   T72]      netlink_unicast+0x449/0x710
[ 2766.443979][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2766.443979][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2766.443979][   T72]      ___sys_sendmsg+0xee/0x170
[ 2766.443979][   T72]      __sys_sendmsg+0xcd/0x170
[ 2766.443979][   T72]      do_syscall_64+0xc6/0x1e0
[ 2766.443979][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2766.443979][   T72] 
[ 2766.445534][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2766.445534][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2766.445534][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2766.445534][   T72]      ipv6_find_idev+0x102/0x170
[ 2766.445534][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2766.445534][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2766.445534][   T72]      netlink_rcv_skb+0x130/0x360
[ 2766.445534][   T72]      netlink_unicast+0x449/0x710
[ 2766.445534][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2766.445534][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2766.445534][   T72]      ___sys_sendmsg+0xee/0x170
[ 2766.445534][   T72]      __sys_sendmsg+0xcd/0x170
[ 2766.445534][   T72]      do_syscall_64+0xc6/0x1e0
[ 2766.445534][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2766.445534][   T72] 
[ 2776.687894][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2776.688351][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2776.688351][   T72]      netdev_get_by_index+0x5e/0x80
[ 2776.688351][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2776.688351][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2776.688351][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2776.688351][   T72]      ipv6_add_addr+0x411/0x2000
[ 2776.688351][   T72]      inet6_addr_add+0x30e/0xa40
[ 2776.688351][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.688351][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.688351][   T72]      netlink_rcv_skb+0x130/0x360
[ 2776.688351][   T72]      netlink_unicast+0x449/0x710
[ 2776.688351][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2776.688351][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.688351][   T72]      ___sys_sendmsg+0xee/0x170
[ 2776.688351][   T72]      __sys_sendmsg+0xcd/0x170
[ 2776.688351][   T72]      do_syscall_64+0xc6/0x1e0
[ 2776.688351][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.688351][   T72] 
[ 2776.690403][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2776.690403][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2776.690403][   T72]      ipv6_find_idev+0x102/0x170
[ 2776.690403][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2776.690403][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.690403][   T72]      netlink_rcv_skb+0x130/0x360
[ 2776.690403][   T72]      netlink_unicast+0x449/0x710
[ 2776.690403][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2776.690403][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.690403][   T72]      ___sys_sendmsg+0xee/0x170
[ 2776.690403][   T72]      __sys_sendmsg+0xcd/0x170
[ 2776.690403][   T72]      do_syscall_64+0xc6/0x1e0
[ 2776.690403][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.690403][   T72] 
[ 2776.691966][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2776.691966][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2776.691966][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2776.691966][   T72]      ipv6_find_idev+0x102/0x170
[ 2776.691966][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2776.691966][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.691966][   T72]      netlink_rcv_skb+0x130/0x360
[ 2776.691966][   T72]      netlink_unicast+0x449/0x710
[ 2776.691966][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2776.691966][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.691966][   T72]      ___sys_sendmsg+0xee/0x170
[ 2776.691966][   T72]      __sys_sendmsg+0xcd/0x170
[ 2776.691966][   T72]      do_syscall_64+0xc6/0x1e0
[ 2776.691966][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.691966][   T72] 
[ 2776.693688][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2776.693954][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2776.693954][   T72]      netdev_get_by_index+0x5e/0x80
[ 2776.693954][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2776.693954][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2776.693954][   T72]      ip6_route_add+0x1c/0x140
[ 2776.693954][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2776.693954][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2776.693954][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.693954][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.693954][   T72]      netlink_rcv_skb+0x130/0x360
[ 2776.693954][   T72]      netlink_unicast+0x449/0x710
[ 2776.693954][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2776.693954][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.693954][   T72]      ___sys_sendmsg+0xee/0x170
[ 2776.693954][   T72]      __sys_sendmsg+0xcd/0x170
[ 2776.693954][   T72]      do_syscall_64+0xc6/0x1e0
[ 2776.693954][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.693954][   T72] 
[ 2776.695981][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2776.695981][   T72]      netdev_get_by_index+0x5e/0x80
[ 2776.695981][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2776.695981][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2776.695981][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2776.695981][   T72]      ipv6_add_addr+0x411/0x2000
[ 2776.695981][   T72]      inet6_addr_add+0x30e/0xa40
[ 2776.695981][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.695981][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.695981][   T72]      netlink_rcv_skb+0x130/0x360
[ 2776.695981][   T72]      netlink_unicast+0x449/0x710
[ 2776.695981][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2776.695981][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.695981][   T72]      ___sys_sendmsg+0xee/0x170
[ 2776.695981][   T72]      __sys_sendmsg+0xcd/0x170
[ 2776.695981][   T72]      do_syscall_64+0xc6/0x1e0
[ 2776.695981][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.695981][   T72] 
[ 2776.697993][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2776.697993][   T72]      netdev_get_by_index+0x5e/0x80
[ 2776.697993][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2776.697993][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2776.697993][   T72]      ip6_route_add+0x1c/0x140
[ 2776.697993][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2776.697993][   T72]      addrconf_add_dev+0xe2/0x170
[ 2776.697993][   T72]      inet6_addr_add+0x12f/0xa40
[ 2776.697993][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.697993][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.697993][   T72]      netlink_rcv_skb+0x130/0x360
[ 2776.697993][   T72]      netlink_unicast+0x449/0x710
[ 2776.697993][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2776.697993][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.697993][   T72]      ___sys_sendmsg+0xee/0x170
[ 2776.697993][   T72]      __sys_sendmsg+0xcd/0x170
[ 2776.697993][   T72]      do_syscall_64+0xc6/0x1e0
[ 2776.697993][   T72] 
[ 2776.699971][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2776.699971][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2776.699971][   T72]      ipv6_find_idev+0x102/0x170
[ 2776.699971][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2776.699971][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.699971][   T72]      netlink_rcv_skb+0x130/0x360
[ 2776.699971][   T72]      netlink_unicast+0x449/0x710
[ 2776.699971][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2776.699971][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.699971][   T72]      ___sys_sendmsg+0xee/0x170
[ 2776.699971][   T72]      __sys_sendmsg+0xcd/0x170
[ 2776.699971][   T72]      do_syscall_64+0xc6/0x1e0
[ 2776.699971][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.699971][   T72] 
[ 2776.701527][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2776.701527][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2776.701527][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2776.701527][   T72]      ipv6_find_idev+0x102/0x170
[ 2776.701527][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2776.701527][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.701527][   T72]      netlink_rcv_skb+0x130/0x360
[ 2776.701527][   T72]      netlink_unicast+0x449/0x710
[ 2776.701527][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2776.701527][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.701527][   T72]      ___sys_sendmsg+0xee/0x170
[ 2776.701527][   T72]      __sys_sendmsg+0xcd/0x170
[ 2776.701527][   T72]      do_syscall_64+0xc6/0x1e0
[ 2776.701527][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.701527][   T72] 
[ 2786.943871][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2786.944326][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2786.944326][   T72]      netdev_get_by_index+0x5e/0x80
[ 2786.944326][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2786.944326][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2786.944326][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2786.944326][   T72]      ipv6_add_addr+0x411/0x2000
[ 2786.944326][   T72]      inet6_addr_add+0x30e/0xa40
[ 2786.944326][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.944326][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.944326][   T72]      netlink_rcv_skb+0x130/0x360
[ 2786.944326][   T72]      netlink_unicast+0x449/0x710
[ 2786.944326][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2786.944326][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.944326][   T72]      ___sys_sendmsg+0xee/0x170
[ 2786.944326][   T72]      __sys_sendmsg+0xcd/0x170
[ 2786.944326][   T72]      do_syscall_64+0xc6/0x1e0
[ 2786.944326][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.944326][   T72] 
[ 2786.946392][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2786.946392][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2786.946392][   T72]      ipv6_find_idev+0x102/0x170
[ 2786.946392][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2786.946392][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.946392][   T72]      netlink_rcv_skb+0x130/0x360
[ 2786.946392][   T72]      netlink_unicast+0x449/0x710
[ 2786.946392][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2786.946392][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.946392][   T72]      ___sys_sendmsg+0xee/0x170
[ 2786.946392][   T72]      __sys_sendmsg+0xcd/0x170
[ 2786.946392][   T72]      do_syscall_64+0xc6/0x1e0
[ 2786.946392][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.946392][   T72] 
[ 2786.947955][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2786.947955][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2786.947955][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2786.947955][   T72]      ipv6_find_idev+0x102/0x170
[ 2786.947955][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2786.947955][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.947955][   T72]      netlink_rcv_skb+0x130/0x360
[ 2786.947955][   T72]      netlink_unicast+0x449/0x710
[ 2786.947955][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2786.947955][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.947955][   T72]      ___sys_sendmsg+0xee/0x170
[ 2786.947955][   T72]      __sys_sendmsg+0xcd/0x170
[ 2786.947955][   T72]      do_syscall_64+0xc6/0x1e0
[ 2786.947955][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.947955][   T72] 
[ 2786.949674][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2786.949941][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2786.949941][   T72]      netdev_get_by_index+0x5e/0x80
[ 2786.949941][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2786.949941][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2786.949941][   T72]      ip6_route_add+0x1c/0x140
[ 2786.949941][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2786.949941][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2786.949941][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.949941][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.949941][   T72]      netlink_rcv_skb+0x130/0x360
[ 2786.949941][   T72]      netlink_unicast+0x449/0x710
[ 2786.949941][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2786.949941][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.949941][   T72]      ___sys_sendmsg+0xee/0x170
[ 2786.949941][   T72]      __sys_sendmsg+0xcd/0x170
[ 2786.949941][   T72]      do_syscall_64+0xc6/0x1e0
[ 2786.949941][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.949941][   T72] 
[ 2786.951969][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2786.951969][   T72]      netdev_get_by_index+0x5e/0x80
[ 2786.951969][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2786.951969][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2786.951969][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2786.951969][   T72]      ipv6_add_addr+0x411/0x2000
[ 2786.951969][   T72]      inet6_addr_add+0x30e/0xa40
[ 2786.951969][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.951969][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.951969][   T72]      netlink_rcv_skb+0x130/0x360
[ 2786.951969][   T72]      netlink_unicast+0x449/0x710
[ 2786.951969][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2786.951969][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.951969][   T72]      ___sys_sendmsg+0xee/0x170
[ 2786.951969][   T72]      __sys_sendmsg+0xcd/0x170
[ 2786.951969][   T72]      do_syscall_64+0xc6/0x1e0
[ 2786.951969][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.951969][   T72] 
[ 2786.953986][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2786.953986][   T72]      netdev_get_by_index+0x5e/0x80
[ 2786.953986][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2786.953986][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2786.953986][   T72]      ip6_route_add+0x1c/0x140
[ 2786.953986][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2786.953986][   T72]      addrconf_add_dev+0xe2/0x170
[ 2786.953986][   T72]      inet6_addr_add+0x12f/0xa40
[ 2786.953986][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.953986][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.953986][   T72]      netlink_rcv_skb+0x130/0x360
[ 2786.953986][   T72]      netlink_unicast+0x449/0x710
[ 2786.953986][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2786.953986][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.953986][   T72]      ___sys_sendmsg+0xee/0x170
[ 2786.953986][   T72]      __sys_sendmsg+0xcd/0x170
[ 2786.953986][   T72]      do_syscall_64+0xc6/0x1e0
[ 2786.953986][   T72] 
[ 2786.955986][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2786.955986][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2786.955986][   T72]      ipv6_find_idev+0x102/0x170
[ 2786.955986][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2786.955986][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.955986][   T72]      netlink_rcv_skb+0x130/0x360
[ 2786.955986][   T72]      netlink_unicast+0x449/0x710
[ 2786.955986][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2786.955986][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.955986][   T72]      ___sys_sendmsg+0xee/0x170
[ 2786.955986][   T72]      __sys_sendmsg+0xcd/0x170
[ 2786.955986][   T72]      do_syscall_64+0xc6/0x1e0
[ 2786.955986][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.955986][   T72] 
[ 2786.957543][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2786.957543][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2786.957543][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2786.957543][   T72]      ipv6_find_idev+0x102/0x170
[ 2786.957543][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2786.957543][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.957543][   T72]      netlink_rcv_skb+0x130/0x360
[ 2786.957543][   T72]      netlink_unicast+0x449/0x710
[ 2786.957543][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2786.957543][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.957543][   T72]      ___sys_sendmsg+0xee/0x170
[ 2786.957543][   T72]      __sys_sendmsg+0xcd/0x170
[ 2786.957543][   T72]      do_syscall_64+0xc6/0x1e0
[ 2786.957543][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.957543][   T72] 
[ 2797.199884][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2797.200335][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2797.200335][   T72]      netdev_get_by_index+0x5e/0x80
[ 2797.200335][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2797.200335][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2797.200335][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2797.200335][   T72]      ipv6_add_addr+0x411/0x2000
[ 2797.200335][   T72]      inet6_addr_add+0x30e/0xa40
[ 2797.200335][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2797.200335][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.200335][   T72]      netlink_rcv_skb+0x130/0x360
[ 2797.200335][   T72]      netlink_unicast+0x449/0x710
[ 2797.200335][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2797.200335][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.200335][   T72]      ___sys_sendmsg+0xee/0x170
[ 2797.200335][   T72]      __sys_sendmsg+0xcd/0x170
[ 2797.200335][   T72]      do_syscall_64+0xc6/0x1e0
[ 2797.200335][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.200335][   T72] 
[ 2797.202379][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2797.202379][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2797.202379][   T72]      ipv6_find_idev+0x102/0x170
[ 2797.202379][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2797.202379][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.202379][   T72]      netlink_rcv_skb+0x130/0x360
[ 2797.202379][   T72]      netlink_unicast+0x449/0x710
[ 2797.202379][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2797.202379][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.202379][   T72]      ___sys_sendmsg+0xee/0x170
[ 2797.202379][   T72]      __sys_sendmsg+0xcd/0x170
[ 2797.202379][   T72]      do_syscall_64+0xc6/0x1e0
[ 2797.202379][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.202379][   T72] 
[ 2797.203939][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2797.203939][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2797.203939][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2797.203939][   T72]      ipv6_find_idev+0x102/0x170
[ 2797.203939][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2797.203939][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.203939][   T72]      netlink_rcv_skb+0x130/0x360
[ 2797.203939][   T72]      netlink_unicast+0x449/0x710
[ 2797.203939][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2797.203939][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.203939][   T72]      ___sys_sendmsg+0xee/0x170
[ 2797.203939][   T72]      __sys_sendmsg+0xcd/0x170
[ 2797.203939][   T72]      do_syscall_64+0xc6/0x1e0
[ 2797.203939][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.203939][   T72] 
[ 2797.206218][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2797.206478][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2797.206478][   T72]      netdev_get_by_index+0x5e/0x80
[ 2797.206478][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2797.206478][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2797.206478][   T72]      ip6_route_add+0x1c/0x140
[ 2797.206478][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2797.206478][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2797.206478][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2797.206478][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.206478][   T72]      netlink_rcv_skb+0x130/0x360
[ 2797.206478][   T72]      netlink_unicast+0x449/0x710
[ 2797.206478][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2797.206478][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.206478][   T72]      ___sys_sendmsg+0xee/0x170
[ 2797.206478][   T72]      __sys_sendmsg+0xcd/0x170
[ 2797.206478][   T72]      do_syscall_64+0xc6/0x1e0
[ 2797.206478][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.206478][   T72] 
[ 2797.208514][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2797.208514][   T72]      netdev_get_by_index+0x5e/0x80
[ 2797.208514][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2797.208514][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2797.208514][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2797.208514][   T72]      ipv6_add_addr+0x411/0x2000
[ 2797.208514][   T72]      inet6_addr_add+0x30e/0xa40
[ 2797.208514][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2797.208514][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.208514][   T72]      netlink_rcv_skb+0x130/0x360
[ 2797.208514][   T72]      netlink_unicast+0x449/0x710
[ 2797.208514][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2797.208514][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.208514][   T72]      ___sys_sendmsg+0xee/0x170
[ 2797.208514][   T72]      __sys_sendmsg+0xcd/0x170
[ 2797.208514][   T72]      do_syscall_64+0xc6/0x1e0
[ 2797.208514][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.208514][   T72] 
[ 2797.210607][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2797.210607][   T72]      netdev_get_by_index+0x5e/0x80
[ 2797.210607][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2797.210607][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2797.210607][   T72]      ip6_route_add+0x1c/0x140
[ 2797.210607][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2797.210607][   T72]      addrconf_add_dev+0xe2/0x170
[ 2797.210607][   T72]      inet6_addr_add+0x12f/0xa40
[ 2797.210607][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2797.210607][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.210607][   T72]      netlink_rcv_skb+0x130/0x360
[ 2797.210607][   T72]      netlink_unicast+0x449/0x710
[ 2797.210607][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2797.210607][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.210607][   T72]      ___sys_sendmsg+0xee/0x170
[ 2797.210607][   T72]      __sys_sendmsg+0xcd/0x170
[ 2797.210607][   T72]      do_syscall_64+0xc6/0x1e0
[ 2797.210607][   T72] 
[ 2797.212981][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2797.212981][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2797.212981][   T72]      ipv6_find_idev+0x102/0x170
[ 2797.212981][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2797.212981][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.212981][   T72]      netlink_rcv_skb+0x130/0x360
[ 2797.212981][   T72]      netlink_unicast+0x449/0x710
[ 2797.212981][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2797.212981][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.212981][   T72]      ___sys_sendmsg+0xee/0x170
[ 2797.212981][   T72]      __sys_sendmsg+0xcd/0x170
[ 2797.212981][   T72]      do_syscall_64+0xc6/0x1e0
[ 2797.212981][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.212981][   T72] 
[ 2797.214535][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2797.214535][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2797.214535][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2797.214535][   T72]      ipv6_find_idev+0x102/0x170
[ 2797.214535][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2797.214535][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2797.214535][   T72]      netlink_rcv_skb+0x130/0x360
[ 2797.214535][   T72]      netlink_unicast+0x449/0x710
[ 2797.214535][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2797.214535][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2797.214535][   T72]      ___sys_sendmsg+0xee/0x170
[ 2797.214535][   T72]      __sys_sendmsg+0xcd/0x170
[ 2797.214535][   T72]      do_syscall_64+0xc6/0x1e0
[ 2797.214535][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2797.214535][   T72] 
[ 2807.455899][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2807.456368][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2807.456368][   T72]      netdev_get_by_index+0x5e/0x80
[ 2807.456368][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2807.456368][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2807.456368][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2807.456368][   T72]      ipv6_add_addr+0x411/0x2000
[ 2807.456368][   T72]      inet6_addr_add+0x30e/0xa40
[ 2807.456368][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.456368][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.456368][   T72]      netlink_rcv_skb+0x130/0x360
[ 2807.456368][   T72]      netlink_unicast+0x449/0x710
[ 2807.456368][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2807.456368][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.456368][   T72]      ___sys_sendmsg+0xee/0x170
[ 2807.456368][   T72]      __sys_sendmsg+0xcd/0x170
[ 2807.456368][   T72]      do_syscall_64+0xc6/0x1e0
[ 2807.456368][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.456368][   T72] 
[ 2807.458456][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2807.458456][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2807.458456][   T72]      ipv6_find_idev+0x102/0x170
[ 2807.458456][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2807.458456][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.458456][   T72]      netlink_rcv_skb+0x130/0x360
[ 2807.458456][   T72]      netlink_unicast+0x449/0x710
[ 2807.458456][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2807.458456][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.458456][   T72]      ___sys_sendmsg+0xee/0x170
[ 2807.458456][   T72]      __sys_sendmsg+0xcd/0x170
[ 2807.458456][   T72]      do_syscall_64+0xc6/0x1e0
[ 2807.458456][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.458456][   T72] 
[ 2807.460034][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2807.460034][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2807.460034][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2807.460034][   T72]      ipv6_find_idev+0x102/0x170
[ 2807.460034][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2807.460034][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.460034][   T72]      netlink_rcv_skb+0x130/0x360
[ 2807.460034][   T72]      netlink_unicast+0x449/0x710
[ 2807.460034][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2807.460034][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.460034][   T72]      ___sys_sendmsg+0xee/0x170
[ 2807.460034][   T72]      __sys_sendmsg+0xcd/0x170
[ 2807.460034][   T72]      do_syscall_64+0xc6/0x1e0
[ 2807.460034][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.460034][   T72] 
[ 2807.461785][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2807.462037][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2807.462037][   T72]      netdev_get_by_index+0x5e/0x80
[ 2807.462037][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2807.462037][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2807.462037][   T72]      ip6_route_add+0x1c/0x140
[ 2807.462037][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2807.462037][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2807.462037][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.462037][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.462037][   T72]      netlink_rcv_skb+0x130/0x360
[ 2807.462037][   T72]      netlink_unicast+0x449/0x710
[ 2807.462037][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2807.462037][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.462037][   T72]      ___sys_sendmsg+0xee/0x170
[ 2807.462037][   T72]      __sys_sendmsg+0xcd/0x170
[ 2807.462037][   T72]      do_syscall_64+0xc6/0x1e0
[ 2807.462037][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.462037][   T72] 
[ 2807.464092][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2807.464092][   T72]      netdev_get_by_index+0x5e/0x80
[ 2807.464092][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2807.464092][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2807.464092][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2807.464092][   T72]      ipv6_add_addr+0x411/0x2000
[ 2807.464092][   T72]      inet6_addr_add+0x30e/0xa40
[ 2807.464092][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.464092][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.464092][   T72]      netlink_rcv_skb+0x130/0x360
[ 2807.464092][   T72]      netlink_unicast+0x449/0x710
[ 2807.464092][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2807.464092][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.464092][   T72]      ___sys_sendmsg+0xee/0x170
[ 2807.464092][   T72]      __sys_sendmsg+0xcd/0x170
[ 2807.464092][   T72]      do_syscall_64+0xc6/0x1e0
[ 2807.464092][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.464092][   T72] 
[ 2807.466135][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2807.466135][   T72]      netdev_get_by_index+0x5e/0x80
[ 2807.466135][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2807.466135][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2807.466135][   T72]      ip6_route_add+0x1c/0x140
[ 2807.466135][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2807.466135][   T72]      addrconf_add_dev+0xe2/0x170
[ 2807.466135][   T72]      inet6_addr_add+0x12f/0xa40
[ 2807.466135][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.466135][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.466135][   T72]      netlink_rcv_skb+0x130/0x360
[ 2807.466135][   T72]      netlink_unicast+0x449/0x710
[ 2807.466135][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2807.466135][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.466135][   T72]      ___sys_sendmsg+0xee/0x170
[ 2807.466135][   T72]      __sys_sendmsg+0xcd/0x170
[ 2807.466135][   T72]      do_syscall_64+0xc6/0x1e0
[ 2807.466135][   T72] 
[ 2807.468522][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2807.468522][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2807.468522][   T72]      ipv6_find_idev+0x102/0x170
[ 2807.468522][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2807.468522][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.468522][   T72]      netlink_rcv_skb+0x130/0x360
[ 2807.468522][   T72]      netlink_unicast+0x449/0x710
[ 2807.468522][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2807.468522][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.468522][   T72]      ___sys_sendmsg+0xee/0x170
[ 2807.468522][   T72]      __sys_sendmsg+0xcd/0x170
[ 2807.468522][   T72]      do_syscall_64+0xc6/0x1e0
[ 2807.468522][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.468522][   T72] 
[ 2807.470088][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2807.470088][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2807.470088][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2807.470088][   T72]      ipv6_find_idev+0x102/0x170
[ 2807.470088][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2807.470088][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.470088][   T72]      netlink_rcv_skb+0x130/0x360
[ 2807.470088][   T72]      netlink_unicast+0x449/0x710
[ 2807.470088][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2807.470088][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.470088][   T72]      ___sys_sendmsg+0xee/0x170
[ 2807.470088][   T72]      __sys_sendmsg+0xcd/0x170
[ 2807.470088][   T72]      do_syscall_64+0xc6/0x1e0
[ 2807.470088][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.470088][   T72] 
[ 2817.727956][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2817.728433][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2817.728433][   T72]      netdev_get_by_index+0x5e/0x80
[ 2817.728433][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2817.728433][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2817.728433][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2817.728433][   T72]      ipv6_add_addr+0x411/0x2000
[ 2817.728433][   T72]      inet6_addr_add+0x30e/0xa40
[ 2817.728433][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.728433][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.728433][   T72]      netlink_rcv_skb+0x130/0x360
[ 2817.728433][   T72]      netlink_unicast+0x449/0x710
[ 2817.728433][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2817.728433][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.728433][   T72]      ___sys_sendmsg+0xee/0x170
[ 2817.728433][   T72]      __sys_sendmsg+0xcd/0x170
[ 2817.728433][   T72]      do_syscall_64+0xc6/0x1e0
[ 2817.728433][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.728433][   T72] 
[ 2817.730512][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2817.730512][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2817.730512][   T72]      ipv6_find_idev+0x102/0x170
[ 2817.730512][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2817.730512][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.730512][   T72]      netlink_rcv_skb+0x130/0x360
[ 2817.730512][   T72]      netlink_unicast+0x449/0x710
[ 2817.730512][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2817.730512][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.730512][   T72]      ___sys_sendmsg+0xee/0x170
[ 2817.730512][   T72]      __sys_sendmsg+0xcd/0x170
[ 2817.730512][   T72]      do_syscall_64+0xc6/0x1e0
[ 2817.730512][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.730512][   T72] 
[ 2817.732098][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2817.732098][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2817.732098][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2817.732098][   T72]      ipv6_find_idev+0x102/0x170
[ 2817.732098][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2817.732098][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.732098][   T72]      netlink_rcv_skb+0x130/0x360
[ 2817.732098][   T72]      netlink_unicast+0x449/0x710
[ 2817.732098][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2817.732098][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.732098][   T72]      ___sys_sendmsg+0xee/0x170
[ 2817.732098][   T72]      __sys_sendmsg+0xcd/0x170
[ 2817.732098][   T72]      do_syscall_64+0xc6/0x1e0
[ 2817.732098][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.732098][   T72] 
[ 2817.733846][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2817.734107][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2817.734107][   T72]      netdev_get_by_index+0x5e/0x80
[ 2817.734107][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2817.734107][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2817.734107][   T72]      ip6_route_add+0x1c/0x140
[ 2817.734107][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2817.734107][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2817.734107][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.734107][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.734107][   T72]      netlink_rcv_skb+0x130/0x360
[ 2817.734107][   T72]      netlink_unicast+0x449/0x710
[ 2817.734107][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2817.734107][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.734107][   T72]      ___sys_sendmsg+0xee/0x170
[ 2817.734107][   T72]      __sys_sendmsg+0xcd/0x170
[ 2817.734107][   T72]      do_syscall_64+0xc6/0x1e0
[ 2817.734107][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.734107][   T72] 
[ 2817.736149][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2817.736149][   T72]      netdev_get_by_index+0x5e/0x80
[ 2817.736149][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2817.736149][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2817.736149][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2817.736149][   T72]      ipv6_add_addr+0x411/0x2000
[ 2817.736149][   T72]      inet6_addr_add+0x30e/0xa40
[ 2817.736149][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.736149][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.736149][   T72]      netlink_rcv_skb+0x130/0x360
[ 2817.736149][   T72]      netlink_unicast+0x449/0x710
[ 2817.736149][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2817.736149][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.736149][   T72]      ___sys_sendmsg+0xee/0x170
[ 2817.736149][   T72]      __sys_sendmsg+0xcd/0x170
[ 2817.736149][   T72]      do_syscall_64+0xc6/0x1e0
[ 2817.736149][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.736149][   T72] 
[ 2817.738205][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2817.738205][   T72]      netdev_get_by_index+0x5e/0x80
[ 2817.738205][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2817.738205][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2817.738205][   T72]      ip6_route_add+0x1c/0x140
[ 2817.738205][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2817.738205][   T72]      addrconf_add_dev+0xe2/0x170
[ 2817.738205][   T72]      inet6_addr_add+0x12f/0xa40
[ 2817.738205][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.738205][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.738205][   T72]      netlink_rcv_skb+0x130/0x360
[ 2817.738205][   T72]      netlink_unicast+0x449/0x710
[ 2817.738205][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2817.738205][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.738205][   T72]      ___sys_sendmsg+0xee/0x170
[ 2817.738205][   T72]      __sys_sendmsg+0xcd/0x170
[ 2817.738205][   T72]      do_syscall_64+0xc6/0x1e0
[ 2817.738205][   T72] 
[ 2817.740210][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2817.740210][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2817.740210][   T72]      ipv6_find_idev+0x102/0x170
[ 2817.740210][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2817.740210][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.740210][   T72]      netlink_rcv_skb+0x130/0x360
[ 2817.740210][   T72]      netlink_unicast+0x449/0x710
[ 2817.740210][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2817.740210][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.740210][   T72]      ___sys_sendmsg+0xee/0x170
[ 2817.740210][   T72]      __sys_sendmsg+0xcd/0x170
[ 2817.740210][   T72]      do_syscall_64+0xc6/0x1e0
[ 2817.740210][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.740210][   T72] 
[ 2817.741789][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2817.741789][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2817.741789][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2817.741789][   T72]      ipv6_find_idev+0x102/0x170
[ 2817.741789][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2817.741789][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.741789][   T72]      netlink_rcv_skb+0x130/0x360
[ 2817.741789][   T72]      netlink_unicast+0x449/0x710
[ 2817.741789][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2817.741789][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.741789][   T72]      ___sys_sendmsg+0xee/0x170
[ 2817.741789][   T72]      __sys_sendmsg+0xcd/0x170
[ 2817.741789][   T72]      do_syscall_64+0xc6/0x1e0
[ 2817.741789][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.741789][   T72] 
[ 2827.983869][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2827.984352][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2827.984352][   T72]      netdev_get_by_index+0x5e/0x80
[ 2827.984352][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2827.984352][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2827.984352][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2827.984352][   T72]      ipv6_add_addr+0x411/0x2000
[ 2827.984352][   T72]      inet6_addr_add+0x30e/0xa40
[ 2827.984352][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.984352][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.984352][   T72]      netlink_rcv_skb+0x130/0x360
[ 2827.984352][   T72]      netlink_unicast+0x449/0x710
[ 2827.984352][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2827.984352][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.984352][   T72]      ___sys_sendmsg+0xee/0x170
[ 2827.984352][   T72]      __sys_sendmsg+0xcd/0x170
[ 2827.984352][   T72]      do_syscall_64+0xc6/0x1e0
[ 2827.984352][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.984352][   T72] 
[ 2827.986416][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2827.986416][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2827.986416][   T72]      ipv6_find_idev+0x102/0x170
[ 2827.986416][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2827.986416][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.986416][   T72]      netlink_rcv_skb+0x130/0x360
[ 2827.986416][   T72]      netlink_unicast+0x449/0x710
[ 2827.986416][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2827.986416][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.986416][   T72]      ___sys_sendmsg+0xee/0x170
[ 2827.986416][   T72]      __sys_sendmsg+0xcd/0x170
[ 2827.986416][   T72]      do_syscall_64+0xc6/0x1e0
[ 2827.986416][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.986416][   T72] 
[ 2827.987994][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2827.987994][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2827.987994][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2827.987994][   T72]      ipv6_find_idev+0x102/0x170
[ 2827.987994][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2827.987994][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.987994][   T72]      netlink_rcv_skb+0x130/0x360
[ 2827.987994][   T72]      netlink_unicast+0x449/0x710
[ 2827.987994][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2827.987994][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.987994][   T72]      ___sys_sendmsg+0xee/0x170
[ 2827.987994][   T72]      __sys_sendmsg+0xcd/0x170
[ 2827.987994][   T72]      do_syscall_64+0xc6/0x1e0
[ 2827.987994][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.987994][   T72] 
[ 2827.989768][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2827.990024][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2827.990024][   T72]      netdev_get_by_index+0x5e/0x80
[ 2827.990024][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2827.990024][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2827.990024][   T72]      ip6_route_add+0x1c/0x140
[ 2827.990024][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2827.990024][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2827.990024][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.990024][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.990024][   T72]      netlink_rcv_skb+0x130/0x360
[ 2827.990024][   T72]      netlink_unicast+0x449/0x710
[ 2827.990024][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2827.990024][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.990024][   T72]      ___sys_sendmsg+0xee/0x170
[ 2827.990024][   T72]      __sys_sendmsg+0xcd/0x170
[ 2827.990024][   T72]      do_syscall_64+0xc6/0x1e0
[ 2827.990024][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.990024][   T72] 
[ 2827.992067][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2827.992067][   T72]      netdev_get_by_index+0x5e/0x80
[ 2827.992067][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2827.992067][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2827.992067][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2827.992067][   T72]      ipv6_add_addr+0x411/0x2000
[ 2827.992067][   T72]      inet6_addr_add+0x30e/0xa40
[ 2827.992067][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.992067][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.992067][   T72]      netlink_rcv_skb+0x130/0x360
[ 2827.992067][   T72]      netlink_unicast+0x449/0x710
[ 2827.992067][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2827.992067][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.992067][   T72]      ___sys_sendmsg+0xee/0x170
[ 2827.992067][   T72]      __sys_sendmsg+0xcd/0x170
[ 2827.992067][   T72]      do_syscall_64+0xc6/0x1e0
[ 2827.992067][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.992067][   T72] 
[ 2827.994111][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2827.994111][   T72]      netdev_get_by_index+0x5e/0x80
[ 2827.994111][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2827.994111][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2827.994111][   T72]      ip6_route_add+0x1c/0x140
[ 2827.994111][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2827.994111][   T72]      addrconf_add_dev+0xe2/0x170
[ 2827.994111][   T72]      inet6_addr_add+0x12f/0xa40
[ 2827.994111][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.994111][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.994111][   T72]      netlink_rcv_skb+0x130/0x360
[ 2827.994111][   T72]      netlink_unicast+0x449/0x710
[ 2827.994111][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2827.994111][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.994111][   T72]      ___sys_sendmsg+0xee/0x170
[ 2827.994111][   T72]      __sys_sendmsg+0xcd/0x170
[ 2827.994111][   T72]      do_syscall_64+0xc6/0x1e0
[ 2827.994111][   T72] 
[ 2827.996112][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2827.996112][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2827.996112][   T72]      ipv6_find_idev+0x102/0x170
[ 2827.996112][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2827.996112][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.996112][   T72]      netlink_rcv_skb+0x130/0x360
[ 2827.996112][   T72]      netlink_unicast+0x449/0x710
[ 2827.996112][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2827.996112][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.996112][   T72]      ___sys_sendmsg+0xee/0x170
[ 2827.996112][   T72]      __sys_sendmsg+0xcd/0x170
[ 2827.996112][   T72]      do_syscall_64+0xc6/0x1e0
[ 2827.996112][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.996112][   T72] 
[ 2827.997690][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2827.997690][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2827.997690][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2827.997690][   T72]      ipv6_find_idev+0x102/0x170
[ 2827.997690][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2827.997690][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.997690][   T72]      netlink_rcv_skb+0x130/0x360
[ 2827.997690][   T72]      netlink_unicast+0x449/0x710
[ 2827.997690][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2827.997690][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.997690][   T72]      ___sys_sendmsg+0xee/0x170
[ 2827.997690][   T72]      __sys_sendmsg+0xcd/0x170
[ 2827.997690][   T72]      do_syscall_64+0xc6/0x1e0
[ 2827.997690][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.997690][   T72] 
[ 2838.239962][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2838.240449][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2838.240449][   T72]      netdev_get_by_index+0x5e/0x80
[ 2838.240449][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2838.240449][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2838.240449][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2838.240449][   T72]      ipv6_add_addr+0x411/0x2000
[ 2838.240449][   T72]      inet6_addr_add+0x30e/0xa40
[ 2838.240449][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.240449][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.240449][   T72]      netlink_rcv_skb+0x130/0x360
[ 2838.240449][   T72]      netlink_unicast+0x449/0x710
[ 2838.240449][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2838.240449][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.240449][   T72]      ___sys_sendmsg+0xee/0x170
[ 2838.240449][   T72]      __sys_sendmsg+0xcd/0x170
[ 2838.240449][   T72]      do_syscall_64+0xc6/0x1e0
[ 2838.240449][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.240449][   T72] 
[ 2838.242518][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2838.242518][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2838.242518][   T72]      ipv6_find_idev+0x102/0x170
[ 2838.242518][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.242518][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.242518][   T72]      netlink_rcv_skb+0x130/0x360
[ 2838.242518][   T72]      netlink_unicast+0x449/0x710
[ 2838.242518][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2838.242518][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.242518][   T72]      ___sys_sendmsg+0xee/0x170
[ 2838.242518][   T72]      __sys_sendmsg+0xcd/0x170
[ 2838.242518][   T72]      do_syscall_64+0xc6/0x1e0
[ 2838.242518][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.242518][   T72] 
[ 2838.244102][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2838.244102][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2838.244102][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2838.244102][   T72]      ipv6_find_idev+0x102/0x170
[ 2838.244102][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.244102][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.244102][   T72]      netlink_rcv_skb+0x130/0x360
[ 2838.244102][   T72]      netlink_unicast+0x449/0x710
[ 2838.244102][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2838.244102][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.244102][   T72]      ___sys_sendmsg+0xee/0x170
[ 2838.244102][   T72]      __sys_sendmsg+0xcd/0x170
[ 2838.244102][   T72]      do_syscall_64+0xc6/0x1e0
[ 2838.244102][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.244102][   T72] 
[ 2838.245866][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2838.246124][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2838.246124][   T72]      netdev_get_by_index+0x5e/0x80
[ 2838.246124][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2838.246124][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2838.246124][   T72]      ip6_route_add+0x1c/0x140
[ 2838.246124][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2838.246124][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2838.246124][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.246124][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.246124][   T72]      netlink_rcv_skb+0x130/0x360
[ 2838.246124][   T72]      netlink_unicast+0x449/0x710
[ 2838.246124][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2838.246124][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.246124][   T72]      ___sys_sendmsg+0xee/0x170
[ 2838.246124][   T72]      __sys_sendmsg+0xcd/0x170
[ 2838.246124][   T72]      do_syscall_64+0xc6/0x1e0
[ 2838.246124][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.246124][   T72] 
[ 2838.248190][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2838.248190][   T72]      netdev_get_by_index+0x5e/0x80
[ 2838.248190][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2838.248190][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2838.248190][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2838.248190][   T72]      ipv6_add_addr+0x411/0x2000
[ 2838.248190][   T72]      inet6_addr_add+0x30e/0xa40
[ 2838.248190][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.248190][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.248190][   T72]      netlink_rcv_skb+0x130/0x360
[ 2838.248190][   T72]      netlink_unicast+0x449/0x710
[ 2838.248190][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2838.248190][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.248190][   T72]      ___sys_sendmsg+0xee/0x170
[ 2838.248190][   T72]      __sys_sendmsg+0xcd/0x170
[ 2838.248190][   T72]      do_syscall_64+0xc6/0x1e0
[ 2838.248190][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.248190][   T72] 
[ 2838.250268][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2838.250268][   T72]      netdev_get_by_index+0x5e/0x80
[ 2838.250268][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2838.250268][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2838.250268][   T72]      ip6_route_add+0x1c/0x140
[ 2838.250268][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2838.250268][   T72]      addrconf_add_dev+0xe2/0x170
[ 2838.250268][   T72]      inet6_addr_add+0x12f/0xa40
[ 2838.250268][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.250268][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.250268][   T72]      netlink_rcv_skb+0x130/0x360
[ 2838.250268][   T72]      netlink_unicast+0x449/0x710
[ 2838.250268][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2838.250268][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.250268][   T72]      ___sys_sendmsg+0xee/0x170
[ 2838.250268][   T72]      __sys_sendmsg+0xcd/0x170
[ 2838.250268][   T72]      do_syscall_64+0xc6/0x1e0
[ 2838.250268][   T72] 
[ 2838.252283][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2838.252283][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2838.252283][   T72]      ipv6_find_idev+0x102/0x170
[ 2838.252283][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.252283][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.252283][   T72]      netlink_rcv_skb+0x130/0x360
[ 2838.252283][   T72]      netlink_unicast+0x449/0x710
[ 2838.252283][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2838.252283][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.252283][   T72]      ___sys_sendmsg+0xee/0x170
[ 2838.252283][   T72]      __sys_sendmsg+0xcd/0x170
[ 2838.252283][   T72]      do_syscall_64+0xc6/0x1e0
[ 2838.252283][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.252283][   T72] 
[ 2838.253856][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2838.253856][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2838.253856][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2838.253856][   T72]      ipv6_find_idev+0x102/0x170
[ 2838.253856][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.253856][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.253856][   T72]      netlink_rcv_skb+0x130/0x360
[ 2838.253856][   T72]      netlink_unicast+0x449/0x710
[ 2838.253856][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2838.253856][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.253856][   T72]      ___sys_sendmsg+0xee/0x170
[ 2838.253856][   T72]      __sys_sendmsg+0xcd/0x170
[ 2838.253856][   T72]      do_syscall_64+0xc6/0x1e0
[ 2838.253856][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.253856][   T72] 
[ 2848.495875][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2848.496345][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2848.496345][   T72]      netdev_get_by_index+0x5e/0x80
[ 2848.496345][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2848.496345][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2848.496345][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2848.496345][   T72]      ipv6_add_addr+0x411/0x2000
[ 2848.496345][   T72]      inet6_addr_add+0x30e/0xa40
[ 2848.496345][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.496345][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.496345][   T72]      netlink_rcv_skb+0x130/0x360
[ 2848.496345][   T72]      netlink_unicast+0x449/0x710
[ 2848.496345][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2848.496345][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.496345][   T72]      ___sys_sendmsg+0xee/0x170
[ 2848.496345][   T72]      __sys_sendmsg+0xcd/0x170
[ 2848.496345][   T72]      do_syscall_64+0xc6/0x1e0
[ 2848.496345][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.496345][   T72] 
[ 2848.498471][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2848.498471][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2848.498471][   T72]      ipv6_find_idev+0x102/0x170
[ 2848.498471][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2848.498471][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.498471][   T72]      netlink_rcv_skb+0x130/0x360
[ 2848.498471][   T72]      netlink_unicast+0x449/0x710
[ 2848.498471][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2848.498471][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.498471][   T72]      ___sys_sendmsg+0xee/0x170
[ 2848.498471][   T72]      __sys_sendmsg+0xcd/0x170
[ 2848.498471][   T72]      do_syscall_64+0xc6/0x1e0
[ 2848.498471][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.498471][   T72] 
[ 2848.500058][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2848.500058][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2848.500058][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2848.500058][   T72]      ipv6_find_idev+0x102/0x170
[ 2848.500058][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2848.500058][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.500058][   T72]      netlink_rcv_skb+0x130/0x360
[ 2848.500058][   T72]      netlink_unicast+0x449/0x710
[ 2848.500058][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2848.500058][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.500058][   T72]      ___sys_sendmsg+0xee/0x170
[ 2848.500058][   T72]      __sys_sendmsg+0xcd/0x170
[ 2848.500058][   T72]      do_syscall_64+0xc6/0x1e0
[ 2848.500058][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.500058][   T72] 
[ 2848.501810][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2848.502072][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2848.502072][   T72]      netdev_get_by_index+0x5e/0x80
[ 2848.502072][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2848.502072][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2848.502072][   T72]      ip6_route_add+0x1c/0x140
[ 2848.502072][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2848.502072][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2848.502072][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.502072][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.502072][   T72]      netlink_rcv_skb+0x130/0x360
[ 2848.502072][   T72]      netlink_unicast+0x449/0x710
[ 2848.502072][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2848.502072][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.502072][   T72]      ___sys_sendmsg+0xee/0x170
[ 2848.502072][   T72]      __sys_sendmsg+0xcd/0x170
[ 2848.502072][   T72]      do_syscall_64+0xc6/0x1e0
[ 2848.502072][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.502072][   T72] 
[ 2848.504127][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2848.504127][   T72]      netdev_get_by_index+0x5e/0x80
[ 2848.504127][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2848.504127][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2848.504127][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2848.504127][   T72]      ipv6_add_addr+0x411/0x2000
[ 2848.504127][   T72]      inet6_addr_add+0x30e/0xa40
[ 2848.504127][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.504127][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.504127][   T72]      netlink_rcv_skb+0x130/0x360
[ 2848.504127][   T72]      netlink_unicast+0x449/0x710
[ 2848.504127][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2848.504127][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.504127][   T72]      ___sys_sendmsg+0xee/0x170
[ 2848.504127][   T72]      __sys_sendmsg+0xcd/0x170
[ 2848.504127][   T72]      do_syscall_64+0xc6/0x1e0
[ 2848.504127][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.504127][   T72] 
[ 2848.506177][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2848.506177][   T72]      netdev_get_by_index+0x5e/0x80
[ 2848.506177][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2848.506177][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2848.506177][   T72]      ip6_route_add+0x1c/0x140
[ 2848.506177][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2848.506177][   T72]      addrconf_add_dev+0xe2/0x170
[ 2848.506177][   T72]      inet6_addr_add+0x12f/0xa40
[ 2848.506177][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.506177][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.506177][   T72]      netlink_rcv_skb+0x130/0x360
[ 2848.506177][   T72]      netlink_unicast+0x449/0x710
[ 2848.506177][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2848.506177][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.506177][   T72]      ___sys_sendmsg+0xee/0x170
[ 2848.506177][   T72]      __sys_sendmsg+0xcd/0x170
[ 2848.506177][   T72]      do_syscall_64+0xc6/0x1e0
[ 2848.506177][   T72] 
[ 2848.508208][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2848.508208][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2848.508208][   T72]      ipv6_find_idev+0x102/0x170
[ 2848.508208][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2848.508208][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.508208][   T72]      netlink_rcv_skb+0x130/0x360
[ 2848.508208][   T72]      netlink_unicast+0x449/0x710
[ 2848.508208][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2848.508208][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.508208][   T72]      ___sys_sendmsg+0xee/0x170
[ 2848.508208][   T72]      __sys_sendmsg+0xcd/0x170
[ 2848.508208][   T72]      do_syscall_64+0xc6/0x1e0
[ 2848.508208][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.508208][   T72] 
[ 2848.509786][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2848.509786][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2848.509786][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2848.509786][   T72]      ipv6_find_idev+0x102/0x170
[ 2848.509786][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2848.509786][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.509786][   T72]      netlink_rcv_skb+0x130/0x360
[ 2848.509786][   T72]      netlink_unicast+0x449/0x710
[ 2848.509786][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2848.509786][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.509786][   T72]      ___sys_sendmsg+0xee/0x170
[ 2848.509786][   T72]      __sys_sendmsg+0xcd/0x170
[ 2848.509786][   T72]      do_syscall_64+0xc6/0x1e0
[ 2848.509786][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.509786][   T72] 
[ 2858.751887][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2858.752286][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2858.752286][   T72]      netdev_get_by_index+0x5e/0x80
[ 2858.752286][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2858.752286][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2858.752286][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2858.752286][   T72]      ipv6_add_addr+0x411/0x2000
[ 2858.752286][   T72]      inet6_addr_add+0x30e/0xa40
[ 2858.752286][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.752286][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.752286][   T72]      netlink_rcv_skb+0x130/0x360
[ 2858.752286][   T72]      netlink_unicast+0x449/0x710
[ 2858.752286][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2858.752286][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.752286][   T72]      ___sys_sendmsg+0xee/0x170
[ 2858.752286][   T72]      __sys_sendmsg+0xcd/0x170
[ 2858.752286][   T72]      do_syscall_64+0xc6/0x1e0
[ 2858.752286][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.752286][   T72] 
[ 2858.754372][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2858.754372][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2858.754372][   T72]      ipv6_find_idev+0x102/0x170
[ 2858.754372][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2858.754372][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.754372][   T72]      netlink_rcv_skb+0x130/0x360
[ 2858.754372][   T72]      netlink_unicast+0x449/0x710
[ 2858.754372][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2858.754372][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.754372][   T72]      ___sys_sendmsg+0xee/0x170
[ 2858.754372][   T72]      __sys_sendmsg+0xcd/0x170
[ 2858.754372][   T72]      do_syscall_64+0xc6/0x1e0
[ 2858.754372][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.754372][   T72] 
[ 2858.755978][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2858.755978][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2858.755978][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2858.755978][   T72]      ipv6_find_idev+0x102/0x170
[ 2858.755978][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2858.755978][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.755978][   T72]      netlink_rcv_skb+0x130/0x360
[ 2858.755978][   T72]      netlink_unicast+0x449/0x710
[ 2858.755978][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2858.755978][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.755978][   T72]      ___sys_sendmsg+0xee/0x170
[ 2858.755978][   T72]      __sys_sendmsg+0xcd/0x170
[ 2858.755978][   T72]      do_syscall_64+0xc6/0x1e0
[ 2858.755978][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.755978][   T72] 
[ 2858.757729][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2858.758017][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2858.758017][   T72]      netdev_get_by_index+0x5e/0x80
[ 2858.758017][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2858.758017][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2858.758017][   T72]      ip6_route_add+0x1c/0x140
[ 2858.758017][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2858.758017][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2858.758017][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.758017][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.758017][   T72]      netlink_rcv_skb+0x130/0x360
[ 2858.758017][   T72]      netlink_unicast+0x449/0x710
[ 2858.758017][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2858.758017][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.758017][   T72]      ___sys_sendmsg+0xee/0x170
[ 2858.758017][   T72]      __sys_sendmsg+0xcd/0x170
[ 2858.758017][   T72]      do_syscall_64+0xc6/0x1e0
[ 2858.758017][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.758017][   T72] 
[ 2858.760069][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2858.760069][   T72]      netdev_get_by_index+0x5e/0x80
[ 2858.760069][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2858.760069][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2858.760069][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2858.760069][   T72]      ipv6_add_addr+0x411/0x2000
[ 2858.760069][   T72]      inet6_addr_add+0x30e/0xa40
[ 2858.760069][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.760069][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.760069][   T72]      netlink_rcv_skb+0x130/0x360
[ 2858.760069][   T72]      netlink_unicast+0x449/0x710
[ 2858.760069][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2858.760069][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.760069][   T72]      ___sys_sendmsg+0xee/0x170
[ 2858.760069][   T72]      __sys_sendmsg+0xcd/0x170
[ 2858.760069][   T72]      do_syscall_64+0xc6/0x1e0
[ 2858.760069][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.760069][   T72] 
[ 2858.762128][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2858.762128][   T72]      netdev_get_by_index+0x5e/0x80
[ 2858.762128][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2858.762128][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2858.762128][   T72]      ip6_route_add+0x1c/0x140
[ 2858.762128][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2858.762128][   T72]      addrconf_add_dev+0xe2/0x170
[ 2858.762128][   T72]      inet6_addr_add+0x12f/0xa40
[ 2858.762128][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.762128][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.762128][   T72]      netlink_rcv_skb+0x130/0x360
[ 2858.762128][   T72]      netlink_unicast+0x449/0x710
[ 2858.762128][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2858.762128][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.762128][   T72]      ___sys_sendmsg+0xee/0x170
[ 2858.762128][   T72]      __sys_sendmsg+0xcd/0x170
[ 2858.762128][   T72]      do_syscall_64+0xc6/0x1e0
[ 2858.762128][   T72] 
[ 2858.764130][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2858.764130][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2858.764130][   T72]      ipv6_find_idev+0x102/0x170
[ 2858.764130][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2858.764130][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.764130][   T72]      netlink_rcv_skb+0x130/0x360
[ 2858.764130][   T72]      netlink_unicast+0x449/0x710
[ 2858.764130][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2858.764130][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.764130][   T72]      ___sys_sendmsg+0xee/0x170
[ 2858.764130][   T72]      __sys_sendmsg+0xcd/0x170
[ 2858.764130][   T72]      do_syscall_64+0xc6/0x1e0
[ 2858.764130][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.764130][   T72] 
[ 2858.765703][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2858.765703][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2858.765703][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2858.765703][   T72]      ipv6_find_idev+0x102/0x170
[ 2858.765703][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2858.765703][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.765703][   T72]      netlink_rcv_skb+0x130/0x360
[ 2858.765703][   T72]      netlink_unicast+0x449/0x710
[ 2858.765703][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2858.765703][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.765703][   T72]      ___sys_sendmsg+0xee/0x170
[ 2858.765703][   T72]      __sys_sendmsg+0xcd/0x170
[ 2858.765703][   T72]      do_syscall_64+0xc6/0x1e0
[ 2858.765703][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.765703][   T72] 
[ 2869.007879][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2869.008286][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2869.008286][   T72]      netdev_get_by_index+0x5e/0x80
[ 2869.008286][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2869.008286][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2869.008286][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2869.008286][   T72]      ipv6_add_addr+0x411/0x2000
[ 2869.008286][   T72]      inet6_addr_add+0x30e/0xa40
[ 2869.008286][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2869.008286][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.008286][   T72]      netlink_rcv_skb+0x130/0x360
[ 2869.008286][   T72]      netlink_unicast+0x449/0x710
[ 2869.008286][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2869.008286][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.008286][   T72]      ___sys_sendmsg+0xee/0x170
[ 2869.008286][   T72]      __sys_sendmsg+0xcd/0x170
[ 2869.008286][   T72]      do_syscall_64+0xc6/0x1e0
[ 2869.008286][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2869.008286][   T72] 
[ 2869.010451][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2869.010451][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2869.010451][   T72]      ipv6_find_idev+0x102/0x170
[ 2869.010451][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2869.010451][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.010451][   T72]      netlink_rcv_skb+0x130/0x360
[ 2869.010451][   T72]      netlink_unicast+0x449/0x710
[ 2869.010451][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2869.010451][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.010451][   T72]      ___sys_sendmsg+0xee/0x170
[ 2869.010451][   T72]      __sys_sendmsg+0xcd/0x170
[ 2869.010451][   T72]      do_syscall_64+0xc6/0x1e0
[ 2869.010451][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2869.010451][   T72] 
[ 2869.012024][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2869.012024][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2869.012024][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2869.012024][   T72]      ipv6_find_idev+0x102/0x170
[ 2869.012024][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2869.012024][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.012024][   T72]      netlink_rcv_skb+0x130/0x360
[ 2869.012024][   T72]      netlink_unicast+0x449/0x710
[ 2869.012024][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2869.012024][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.012024][   T72]      ___sys_sendmsg+0xee/0x170
[ 2869.012024][   T72]      __sys_sendmsg+0xcd/0x170
[ 2869.012024][   T72]      do_syscall_64+0xc6/0x1e0
[ 2869.012024][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2869.012024][   T72] 
[ 2869.013773][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2869.014026][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2869.014026][   T72]      netdev_get_by_index+0x5e/0x80
[ 2869.014026][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2869.014026][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2869.014026][   T72]      ip6_route_add+0x1c/0x140
[ 2869.014026][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2869.014026][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2869.014026][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2869.014026][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.014026][   T72]      netlink_rcv_skb+0x130/0x360
[ 2869.014026][   T72]      netlink_unicast+0x449/0x710
[ 2869.014026][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2869.014026][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.014026][   T72]      ___sys_sendmsg+0xee/0x170
[ 2869.014026][   T72]      __sys_sendmsg+0xcd/0x170
[ 2869.014026][   T72]      do_syscall_64+0xc6/0x1e0
[ 2869.014026][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2869.014026][   T72] 
[ 2869.016080][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2869.016080][   T72]      netdev_get_by_index+0x5e/0x80
[ 2869.016080][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2869.016080][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2869.016080][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2869.016080][   T72]      ipv6_add_addr+0x411/0x2000
[ 2869.016080][   T72]      inet6_addr_add+0x30e/0xa40
[ 2869.016080][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2869.016080][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.016080][   T72]      netlink_rcv_skb+0x130/0x360
[ 2869.016080][   T72]      netlink_unicast+0x449/0x710
[ 2869.016080][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2869.016080][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.016080][   T72]      ___sys_sendmsg+0xee/0x170
[ 2869.016080][   T72]      __sys_sendmsg+0xcd/0x170
[ 2869.016080][   T72]      do_syscall_64+0xc6/0x1e0
[ 2869.016080][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2869.016080][   T72] 
[ 2869.018150][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2869.018150][   T72]      netdev_get_by_index+0x5e/0x80
[ 2869.018150][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2869.018150][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2869.018150][   T72]      ip6_route_add+0x1c/0x140
[ 2869.018150][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2869.018150][   T72]      addrconf_add_dev+0xe2/0x170
[ 2869.018150][   T72]      inet6_addr_add+0x12f/0xa40
[ 2869.018150][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2869.018150][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.018150][   T72]      netlink_rcv_skb+0x130/0x360
[ 2869.018150][   T72]      netlink_unicast+0x449/0x710
[ 2869.018150][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2869.018150][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.018150][   T72]      ___sys_sendmsg+0xee/0x170
[ 2869.018150][   T72]      __sys_sendmsg+0xcd/0x170
[ 2869.018150][   T72]      do_syscall_64+0xc6/0x1e0
[ 2869.018150][   T72] 
[ 2869.020154][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2869.020154][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2869.020154][   T72]      ipv6_find_idev+0x102/0x170
[ 2869.020154][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2869.020154][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.020154][   T72]      netlink_rcv_skb+0x130/0x360
[ 2869.020154][   T72]      netlink_unicast+0x449/0x710
[ 2869.020154][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2869.020154][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.020154][   T72]      ___sys_sendmsg+0xee/0x170
[ 2869.020154][   T72]      __sys_sendmsg+0xcd/0x170
[ 2869.020154][   T72]      do_syscall_64+0xc6/0x1e0
[ 2869.020154][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2869.020154][   T72] 
[ 2869.021765][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2869.021765][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2869.021765][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2869.021765][   T72]      ipv6_find_idev+0x102/0x170
[ 2869.021765][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2869.021765][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2869.021765][   T72]      netlink_rcv_skb+0x130/0x360
[ 2869.021765][   T72]      netlink_unicast+0x449/0x710
[ 2869.021765][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2869.021765][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2869.021765][   T72]      ___sys_sendmsg+0xee/0x170
[ 2869.021765][   T72]      __sys_sendmsg+0xcd/0x170
[ 2869.021765][   T72]      do_syscall_64+0xc6/0x1e0
[ 2869.021765][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2869.021765][   T72] 
[ 2879.263876][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2879.264322][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2879.264322][   T72]      netdev_get_by_index+0x5e/0x80
[ 2879.264322][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2879.264322][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2879.264322][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2879.264322][   T72]      ipv6_add_addr+0x411/0x2000
[ 2879.264322][   T72]      inet6_addr_add+0x30e/0xa40
[ 2879.264322][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2879.264322][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.264322][   T72]      netlink_rcv_skb+0x130/0x360
[ 2879.264322][   T72]      netlink_unicast+0x449/0x710
[ 2879.264322][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2879.264322][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.264322][   T72]      ___sys_sendmsg+0xee/0x170
[ 2879.264322][   T72]      __sys_sendmsg+0xcd/0x170
[ 2879.264322][   T72]      do_syscall_64+0xc6/0x1e0
[ 2879.264322][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.264322][   T72] 
[ 2879.266386][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2879.266386][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2879.266386][   T72]      ipv6_find_idev+0x102/0x170
[ 2879.266386][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2879.266386][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.266386][   T72]      netlink_rcv_skb+0x130/0x360
[ 2879.266386][   T72]      netlink_unicast+0x449/0x710
[ 2879.266386][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2879.266386][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.266386][   T72]      ___sys_sendmsg+0xee/0x170
[ 2879.266386][   T72]      __sys_sendmsg+0xcd/0x170
[ 2879.266386][   T72]      do_syscall_64+0xc6/0x1e0
[ 2879.266386][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.266386][   T72] 
[ 2879.267963][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2879.267963][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2879.267963][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2879.267963][   T72]      ipv6_find_idev+0x102/0x170
[ 2879.267963][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2879.267963][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.267963][   T72]      netlink_rcv_skb+0x130/0x360
[ 2879.267963][   T72]      netlink_unicast+0x449/0x710
[ 2879.267963][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2879.267963][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.267963][   T72]      ___sys_sendmsg+0xee/0x170
[ 2879.267963][   T72]      __sys_sendmsg+0xcd/0x170
[ 2879.267963][   T72]      do_syscall_64+0xc6/0x1e0
[ 2879.267963][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.267963][   T72] 
[ 2879.269680][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2879.269944][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2879.269944][   T72]      netdev_get_by_index+0x5e/0x80
[ 2879.269944][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2879.269944][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2879.269944][   T72]      ip6_route_add+0x1c/0x140
[ 2879.269944][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2879.269944][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2879.269944][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2879.269944][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.269944][   T72]      netlink_rcv_skb+0x130/0x360
[ 2879.269944][   T72]      netlink_unicast+0x449/0x710
[ 2879.269944][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2879.269944][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.269944][   T72]      ___sys_sendmsg+0xee/0x170
[ 2879.269944][   T72]      __sys_sendmsg+0xcd/0x170
[ 2879.269944][   T72]      do_syscall_64+0xc6/0x1e0
[ 2879.269944][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.269944][   T72] 
[ 2879.271970][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2879.271970][   T72]      netdev_get_by_index+0x5e/0x80
[ 2879.271970][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2879.271970][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2879.271970][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2879.271970][   T72]      ipv6_add_addr+0x411/0x2000
[ 2879.271970][   T72]      inet6_addr_add+0x30e/0xa40
[ 2879.271970][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2879.271970][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.271970][   T72]      netlink_rcv_skb+0x130/0x360
[ 2879.271970][   T72]      netlink_unicast+0x449/0x710
[ 2879.271970][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2879.271970][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.271970][   T72]      ___sys_sendmsg+0xee/0x170
[ 2879.271970][   T72]      __sys_sendmsg+0xcd/0x170
[ 2879.271970][   T72]      do_syscall_64+0xc6/0x1e0
[ 2879.271970][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.271970][   T72] 
[ 2879.273988][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2879.273988][   T72]      netdev_get_by_index+0x5e/0x80
[ 2879.273988][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2879.273988][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2879.273988][   T72]      ip6_route_add+0x1c/0x140
[ 2879.273988][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2879.273988][   T72]      addrconf_add_dev+0xe2/0x170
[ 2879.273988][   T72]      inet6_addr_add+0x12f/0xa40
[ 2879.273988][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2879.273988][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.273988][   T72]      netlink_rcv_skb+0x130/0x360
[ 2879.273988][   T72]      netlink_unicast+0x449/0x710
[ 2879.273988][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2879.273988][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.273988][   T72]      ___sys_sendmsg+0xee/0x170
[ 2879.273988][   T72]      __sys_sendmsg+0xcd/0x170
[ 2879.273988][   T72]      do_syscall_64+0xc6/0x1e0
[ 2879.273988][   T72] 
[ 2879.275976][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2879.275976][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2879.275976][   T72]      ipv6_find_idev+0x102/0x170
[ 2879.275976][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2879.275976][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.275976][   T72]      netlink_rcv_skb+0x130/0x360
[ 2879.275976][   T72]      netlink_unicast+0x449/0x710
[ 2879.275976][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2879.275976][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.275976][   T72]      ___sys_sendmsg+0xee/0x170
[ 2879.275976][   T72]      __sys_sendmsg+0xcd/0x170
[ 2879.275976][   T72]      do_syscall_64+0xc6/0x1e0
[ 2879.275976][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.275976][   T72] 
[ 2879.277533][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2879.277533][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2879.277533][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2879.277533][   T72]      ipv6_find_idev+0x102/0x170
[ 2879.277533][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2879.277533][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.277533][   T72]      netlink_rcv_skb+0x130/0x360
[ 2879.277533][   T72]      netlink_unicast+0x449/0x710
[ 2879.277533][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2879.277533][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.277533][   T72]      ___sys_sendmsg+0xee/0x170
[ 2879.277533][   T72]      __sys_sendmsg+0xcd/0x170
[ 2879.277533][   T72]      do_syscall_64+0xc6/0x1e0
[ 2879.277533][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.277533][   T72] 
[ 2889.295896][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2889.296363][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2889.296363][   T72]      netdev_get_by_index+0x5e/0x80
[ 2889.296363][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2889.296363][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2889.296363][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2889.296363][   T72]      ipv6_add_addr+0x411/0x2000
[ 2889.296363][   T72]      inet6_addr_add+0x30e/0xa40
[ 2889.296363][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.296363][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.296363][   T72]      netlink_rcv_skb+0x130/0x360
[ 2889.296363][   T72]      netlink_unicast+0x449/0x710
[ 2889.296363][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2889.296363][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.296363][   T72]      ___sys_sendmsg+0xee/0x170
[ 2889.296363][   T72]      __sys_sendmsg+0xcd/0x170
[ 2889.296363][   T72]      do_syscall_64+0xc6/0x1e0
[ 2889.296363][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.296363][   T72] 
[ 2889.298418][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2889.298418][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2889.298418][   T72]      ipv6_find_idev+0x102/0x170
[ 2889.298418][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2889.298418][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.298418][   T72]      netlink_rcv_skb+0x130/0x360
[ 2889.298418][   T72]      netlink_unicast+0x449/0x710
[ 2889.298418][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2889.298418][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.298418][   T72]      ___sys_sendmsg+0xee/0x170
[ 2889.298418][   T72]      __sys_sendmsg+0xcd/0x170
[ 2889.298418][   T72]      do_syscall_64+0xc6/0x1e0
[ 2889.298418][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.298418][   T72] 
[ 2889.299983][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2889.299983][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2889.299983][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2889.299983][   T72]      ipv6_find_idev+0x102/0x170
[ 2889.299983][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2889.299983][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.299983][   T72]      netlink_rcv_skb+0x130/0x360
[ 2889.299983][   T72]      netlink_unicast+0x449/0x710
[ 2889.299983][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2889.299983][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.299983][   T72]      ___sys_sendmsg+0xee/0x170
[ 2889.299983][   T72]      __sys_sendmsg+0xcd/0x170
[ 2889.299983][   T72]      do_syscall_64+0xc6/0x1e0
[ 2889.299983][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.299983][   T72] 
[ 2889.301685][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2889.301947][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2889.301947][   T72]      netdev_get_by_index+0x5e/0x80
[ 2889.301947][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2889.301947][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2889.301947][   T72]      ip6_route_add+0x1c/0x140
[ 2889.301947][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2889.301947][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2889.301947][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.301947][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.301947][   T72]      netlink_rcv_skb+0x130/0x360
[ 2889.301947][   T72]      netlink_unicast+0x449/0x710
[ 2889.301947][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2889.301947][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.301947][   T72]      ___sys_sendmsg+0xee/0x170
[ 2889.301947][   T72]      __sys_sendmsg+0xcd/0x170
[ 2889.301947][   T72]      do_syscall_64+0xc6/0x1e0
[ 2889.301947][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.301947][   T72] 
[ 2889.303982][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2889.303982][   T72]      netdev_get_by_index+0x5e/0x80
[ 2889.303982][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2889.303982][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2889.303982][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2889.303982][   T72]      ipv6_add_addr+0x411/0x2000
[ 2889.303982][   T72]      inet6_addr_add+0x30e/0xa40
[ 2889.303982][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.303982][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.303982][   T72]      netlink_rcv_skb+0x130/0x360
[ 2889.303982][   T72]      netlink_unicast+0x449/0x710
[ 2889.303982][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2889.303982][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.303982][   T72]      ___sys_sendmsg+0xee/0x170
[ 2889.303982][   T72]      __sys_sendmsg+0xcd/0x170
[ 2889.303982][   T72]      do_syscall_64+0xc6/0x1e0
[ 2889.303982][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.303982][   T72] 
[ 2889.305993][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2889.305993][   T72]      netdev_get_by_index+0x5e/0x80
[ 2889.305993][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2889.305993][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2889.305993][   T72]      ip6_route_add+0x1c/0x140
[ 2889.305993][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2889.305993][   T72]      addrconf_add_dev+0xe2/0x170
[ 2889.305993][   T72]      inet6_addr_add+0x12f/0xa40
[ 2889.305993][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.305993][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.305993][   T72]      netlink_rcv_skb+0x130/0x360
[ 2889.305993][   T72]      netlink_unicast+0x449/0x710
[ 2889.305993][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2889.305993][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.305993][   T72]      ___sys_sendmsg+0xee/0x170
[ 2889.305993][   T72]      __sys_sendmsg+0xcd/0x170
[ 2889.305993][   T72]      do_syscall_64+0xc6/0x1e0
[ 2889.305993][   T72] 
[ 2889.307985][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2889.307985][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2889.307985][   T72]      ipv6_find_idev+0x102/0x170
[ 2889.307985][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2889.307985][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.307985][   T72]      netlink_rcv_skb+0x130/0x360
[ 2889.307985][   T72]      netlink_unicast+0x449/0x710
[ 2889.307985][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2889.307985][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.307985][   T72]      ___sys_sendmsg+0xee/0x170
[ 2889.307985][   T72]      __sys_sendmsg+0xcd/0x170
[ 2889.307985][   T72]      do_syscall_64+0xc6/0x1e0
[ 2889.307985][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.307985][   T72] 
[ 2889.309541][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2889.309541][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2889.309541][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2889.309541][   T72]      ipv6_find_idev+0x102/0x170
[ 2889.309541][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2889.309541][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.309541][   T72]      netlink_rcv_skb+0x130/0x360
[ 2889.309541][   T72]      netlink_unicast+0x449/0x710
[ 2889.309541][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2889.309541][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.309541][   T72]      ___sys_sendmsg+0xee/0x170
[ 2889.309541][   T72]      __sys_sendmsg+0xcd/0x170
[ 2889.309541][   T72]      do_syscall_64+0xc6/0x1e0
[ 2889.309541][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.309541][   T72] 
[ 2899.311882][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2899.312353][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2899.312353][   T72]      netdev_get_by_index+0x5e/0x80
[ 2899.312353][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2899.312353][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2899.312353][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2899.312353][   T72]      ipv6_add_addr+0x411/0x2000
[ 2899.312353][   T72]      inet6_addr_add+0x30e/0xa40
[ 2899.312353][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.312353][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.312353][   T72]      netlink_rcv_skb+0x130/0x360
[ 2899.312353][   T72]      netlink_unicast+0x449/0x710
[ 2899.312353][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2899.312353][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.312353][   T72]      ___sys_sendmsg+0xee/0x170
[ 2899.312353][   T72]      __sys_sendmsg+0xcd/0x170
[ 2899.312353][   T72]      do_syscall_64+0xc6/0x1e0
[ 2899.312353][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.312353][   T72] 
[ 2899.314392][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2899.314392][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2899.314392][   T72]      ipv6_find_idev+0x102/0x170
[ 2899.314392][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2899.314392][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.314392][   T72]      netlink_rcv_skb+0x130/0x360
[ 2899.314392][   T72]      netlink_unicast+0x449/0x710
[ 2899.314392][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2899.314392][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.314392][   T72]      ___sys_sendmsg+0xee/0x170
[ 2899.314392][   T72]      __sys_sendmsg+0xcd/0x170
[ 2899.314392][   T72]      do_syscall_64+0xc6/0x1e0
[ 2899.314392][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.314392][   T72] 
[ 2899.315946][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2899.315946][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2899.315946][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2899.315946][   T72]      ipv6_find_idev+0x102/0x170
[ 2899.315946][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2899.315946][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.315946][   T72]      netlink_rcv_skb+0x130/0x360
[ 2899.315946][   T72]      netlink_unicast+0x449/0x710
[ 2899.315946][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2899.315946][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.315946][   T72]      ___sys_sendmsg+0xee/0x170
[ 2899.315946][   T72]      __sys_sendmsg+0xcd/0x170
[ 2899.315946][   T72]      do_syscall_64+0xc6/0x1e0
[ 2899.315946][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.315946][   T72] 
[ 2899.317664][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2899.317933][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2899.317933][   T72]      netdev_get_by_index+0x5e/0x80
[ 2899.317933][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2899.317933][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2899.317933][   T72]      ip6_route_add+0x1c/0x140
[ 2899.317933][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2899.317933][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2899.317933][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.317933][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.317933][   T72]      netlink_rcv_skb+0x130/0x360
[ 2899.317933][   T72]      netlink_unicast+0x449/0x710
[ 2899.317933][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2899.317933][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.317933][   T72]      ___sys_sendmsg+0xee/0x170
[ 2899.317933][   T72]      __sys_sendmsg+0xcd/0x170
[ 2899.317933][   T72]      do_syscall_64+0xc6/0x1e0
[ 2899.317933][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.317933][   T72] 
[ 2899.319954][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2899.319954][   T72]      netdev_get_by_index+0x5e/0x80
[ 2899.319954][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2899.319954][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2899.319954][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2899.319954][   T72]      ipv6_add_addr+0x411/0x2000
[ 2899.319954][   T72]      inet6_addr_add+0x30e/0xa40
[ 2899.319954][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.319954][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.319954][   T72]      netlink_rcv_skb+0x130/0x360
[ 2899.319954][   T72]      netlink_unicast+0x449/0x710
[ 2899.319954][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2899.319954][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.319954][   T72]      ___sys_sendmsg+0xee/0x170
[ 2899.319954][   T72]      __sys_sendmsg+0xcd/0x170
[ 2899.319954][   T72]      do_syscall_64+0xc6/0x1e0
[ 2899.319954][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.319954][   T72] 
[ 2899.321966][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2899.321966][   T72]      netdev_get_by_index+0x5e/0x80
[ 2899.321966][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2899.321966][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2899.321966][   T72]      ip6_route_add+0x1c/0x140
[ 2899.321966][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2899.321966][   T72]      addrconf_add_dev+0xe2/0x170
[ 2899.321966][   T72]      inet6_addr_add+0x12f/0xa40
[ 2899.321966][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.321966][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.321966][   T72]      netlink_rcv_skb+0x130/0x360
[ 2899.321966][   T72]      netlink_unicast+0x449/0x710
[ 2899.321966][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2899.321966][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.321966][   T72]      ___sys_sendmsg+0xee/0x170
[ 2899.321966][   T72]      __sys_sendmsg+0xcd/0x170
[ 2899.321966][   T72]      do_syscall_64+0xc6/0x1e0
[ 2899.321966][   T72] 
[ 2899.323954][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2899.323954][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2899.323954][   T72]      ipv6_find_idev+0x102/0x170
[ 2899.323954][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2899.323954][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.323954][   T72]      netlink_rcv_skb+0x130/0x360
[ 2899.323954][   T72]      netlink_unicast+0x449/0x710
[ 2899.323954][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2899.323954][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.323954][   T72]      ___sys_sendmsg+0xee/0x170
[ 2899.323954][   T72]      __sys_sendmsg+0xcd/0x170
[ 2899.323954][   T72]      do_syscall_64+0xc6/0x1e0
[ 2899.323954][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.323954][   T72] 
[ 2899.325519][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2899.325519][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2899.325519][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2899.325519][   T72]      ipv6_find_idev+0x102/0x170
[ 2899.325519][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2899.325519][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.325519][   T72]      netlink_rcv_skb+0x130/0x360
[ 2899.325519][   T72]      netlink_unicast+0x449/0x710
[ 2899.325519][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2899.325519][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.325519][   T72]      ___sys_sendmsg+0xee/0x170
[ 2899.325519][   T72]      __sys_sendmsg+0xcd/0x170
[ 2899.325519][   T72]      do_syscall_64+0xc6/0x1e0
[ 2899.325519][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.325519][   T72] 
[ 2909.391888][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2909.392345][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2909.392345][   T72]      netdev_get_by_index+0x5e/0x80
[ 2909.392345][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2909.392345][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2909.392345][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2909.392345][   T72]      ipv6_add_addr+0x411/0x2000
[ 2909.392345][   T72]      inet6_addr_add+0x30e/0xa40
[ 2909.392345][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.392345][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.392345][   T72]      netlink_rcv_skb+0x130/0x360
[ 2909.392345][   T72]      netlink_unicast+0x449/0x710
[ 2909.392345][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2909.392345][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.392345][   T72]      ___sys_sendmsg+0xee/0x170
[ 2909.392345][   T72]      __sys_sendmsg+0xcd/0x170
[ 2909.392345][   T72]      do_syscall_64+0xc6/0x1e0
[ 2909.392345][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.392345][   T72] 
[ 2909.394391][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2909.394391][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2909.394391][   T72]      ipv6_find_idev+0x102/0x170
[ 2909.394391][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2909.394391][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.394391][   T72]      netlink_rcv_skb+0x130/0x360
[ 2909.394391][   T72]      netlink_unicast+0x449/0x710
[ 2909.394391][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2909.394391][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.394391][   T72]      ___sys_sendmsg+0xee/0x170
[ 2909.394391][   T72]      __sys_sendmsg+0xcd/0x170
[ 2909.394391][   T72]      do_syscall_64+0xc6/0x1e0
[ 2909.394391][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.394391][   T72] 
[ 2909.395949][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2909.395949][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2909.395949][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2909.395949][   T72]      ipv6_find_idev+0x102/0x170
[ 2909.395949][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2909.395949][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.395949][   T72]      netlink_rcv_skb+0x130/0x360
[ 2909.395949][   T72]      netlink_unicast+0x449/0x710
[ 2909.395949][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2909.395949][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.395949][   T72]      ___sys_sendmsg+0xee/0x170
[ 2909.395949][   T72]      __sys_sendmsg+0xcd/0x170
[ 2909.395949][   T72]      do_syscall_64+0xc6/0x1e0
[ 2909.395949][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.395949][   T72] 
[ 2909.397655][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2909.397963][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2909.397963][   T72]      netdev_get_by_index+0x5e/0x80
[ 2909.397963][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2909.397963][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2909.397963][   T72]      ip6_route_add+0x1c/0x140
[ 2909.397963][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2909.397963][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2909.397963][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.397963][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.397963][   T72]      netlink_rcv_skb+0x130/0x360
[ 2909.397963][   T72]      netlink_unicast+0x449/0x710
[ 2909.397963][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2909.397963][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.397963][   T72]      ___sys_sendmsg+0xee/0x170
[ 2909.397963][   T72]      __sys_sendmsg+0xcd/0x170
[ 2909.397963][   T72]      do_syscall_64+0xc6/0x1e0
[ 2909.397963][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.397963][   T72] 
[ 2909.399990][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2909.399990][   T72]      netdev_get_by_index+0x5e/0x80
[ 2909.399990][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2909.399990][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2909.399990][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2909.399990][   T72]      ipv6_add_addr+0x411/0x2000
[ 2909.399990][   T72]      inet6_addr_add+0x30e/0xa40
[ 2909.399990][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.399990][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.399990][   T72]      netlink_rcv_skb+0x130/0x360
[ 2909.399990][   T72]      netlink_unicast+0x449/0x710
[ 2909.399990][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2909.399990][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.399990][   T72]      ___sys_sendmsg+0xee/0x170
[ 2909.399990][   T72]      __sys_sendmsg+0xcd/0x170
[ 2909.399990][   T72]      do_syscall_64+0xc6/0x1e0
[ 2909.399990][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.399990][   T72] 
[ 2909.402006][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2909.402006][   T72]      netdev_get_by_index+0x5e/0x80
[ 2909.402006][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2909.402006][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2909.402006][   T72]      ip6_route_add+0x1c/0x140
[ 2909.402006][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2909.402006][   T72]      addrconf_add_dev+0xe2/0x170
[ 2909.402006][   T72]      inet6_addr_add+0x12f/0xa40
[ 2909.402006][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.402006][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.402006][   T72]      netlink_rcv_skb+0x130/0x360
[ 2909.402006][   T72]      netlink_unicast+0x449/0x710
[ 2909.402006][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2909.402006][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.402006][   T72]      ___sys_sendmsg+0xee/0x170
[ 2909.402006][   T72]      __sys_sendmsg+0xcd/0x170
[ 2909.402006][   T72]      do_syscall_64+0xc6/0x1e0
[ 2909.402006][   T72] 
[ 2909.403999][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2909.403999][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2909.403999][   T72]      ipv6_find_idev+0x102/0x170
[ 2909.403999][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2909.403999][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.403999][   T72]      netlink_rcv_skb+0x130/0x360
[ 2909.403999][   T72]      netlink_unicast+0x449/0x710
[ 2909.403999][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2909.403999][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.403999][   T72]      ___sys_sendmsg+0xee/0x170
[ 2909.403999][   T72]      __sys_sendmsg+0xcd/0x170
[ 2909.403999][   T72]      do_syscall_64+0xc6/0x1e0
[ 2909.403999][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.403999][   T72] 
[ 2909.405544][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2909.405544][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2909.405544][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2909.405544][   T72]      ipv6_find_idev+0x102/0x170
[ 2909.405544][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2909.405544][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.405544][   T72]      netlink_rcv_skb+0x130/0x360
[ 2909.405544][   T72]      netlink_unicast+0x449/0x710
[ 2909.405544][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2909.405544][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.405544][   T72]      ___sys_sendmsg+0xee/0x170
[ 2909.405544][   T72]      __sys_sendmsg+0xcd/0x170
[ 2909.405544][   T72]      do_syscall_64+0xc6/0x1e0
[ 2909.405544][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.405544][   T72] 
[ 2919.647876][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2919.648339][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2919.648339][   T72]      netdev_get_by_index+0x5e/0x80
[ 2919.648339][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2919.648339][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2919.648339][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2919.648339][   T72]      ipv6_add_addr+0x411/0x2000
[ 2919.648339][   T72]      inet6_addr_add+0x30e/0xa40
[ 2919.648339][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.648339][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.648339][   T72]      netlink_rcv_skb+0x130/0x360
[ 2919.648339][   T72]      netlink_unicast+0x449/0x710
[ 2919.648339][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2919.648339][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.648339][   T72]      ___sys_sendmsg+0xee/0x170
[ 2919.648339][   T72]      __sys_sendmsg+0xcd/0x170
[ 2919.648339][   T72]      do_syscall_64+0xc6/0x1e0
[ 2919.648339][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.648339][   T72] 
[ 2919.650400][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2919.650400][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2919.650400][   T72]      ipv6_find_idev+0x102/0x170
[ 2919.650400][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2919.650400][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.650400][   T72]      netlink_rcv_skb+0x130/0x360
[ 2919.650400][   T72]      netlink_unicast+0x449/0x710
[ 2919.650400][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2919.650400][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.650400][   T72]      ___sys_sendmsg+0xee/0x170
[ 2919.650400][   T72]      __sys_sendmsg+0xcd/0x170
[ 2919.650400][   T72]      do_syscall_64+0xc6/0x1e0
[ 2919.650400][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.650400][   T72] 
[ 2919.651970][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2919.651970][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2919.651970][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2919.651970][   T72]      ipv6_find_idev+0x102/0x170
[ 2919.651970][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2919.651970][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.651970][   T72]      netlink_rcv_skb+0x130/0x360
[ 2919.651970][   T72]      netlink_unicast+0x449/0x710
[ 2919.651970][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2919.651970][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.651970][   T72]      ___sys_sendmsg+0xee/0x170
[ 2919.651970][   T72]      __sys_sendmsg+0xcd/0x170
[ 2919.651970][   T72]      do_syscall_64+0xc6/0x1e0
[ 2919.651970][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.651970][   T72] 
[ 2919.653674][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2919.653936][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2919.653936][   T72]      netdev_get_by_index+0x5e/0x80
[ 2919.653936][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2919.653936][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2919.653936][   T72]      ip6_route_add+0x1c/0x140
[ 2919.653936][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2919.653936][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2919.653936][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.653936][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.653936][   T72]      netlink_rcv_skb+0x130/0x360
[ 2919.653936][   T72]      netlink_unicast+0x449/0x710
[ 2919.653936][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2919.653936][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.653936][   T72]      ___sys_sendmsg+0xee/0x170
[ 2919.653936][   T72]      __sys_sendmsg+0xcd/0x170
[ 2919.653936][   T72]      do_syscall_64+0xc6/0x1e0
[ 2919.653936][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.653936][   T72] 
[ 2919.655954][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2919.655954][   T72]      netdev_get_by_index+0x5e/0x80
[ 2919.655954][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2919.655954][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2919.655954][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2919.655954][   T72]      ipv6_add_addr+0x411/0x2000
[ 2919.655954][   T72]      inet6_addr_add+0x30e/0xa40
[ 2919.655954][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.655954][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.655954][   T72]      netlink_rcv_skb+0x130/0x360
[ 2919.655954][   T72]      netlink_unicast+0x449/0x710
[ 2919.655954][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2919.655954][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.655954][   T72]      ___sys_sendmsg+0xee/0x170
[ 2919.655954][   T72]      __sys_sendmsg+0xcd/0x170
[ 2919.655954][   T72]      do_syscall_64+0xc6/0x1e0
[ 2919.655954][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.655954][   T72] 
[ 2919.657989][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2919.657989][   T72]      netdev_get_by_index+0x5e/0x80
[ 2919.657989][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2919.657989][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2919.657989][   T72]      ip6_route_add+0x1c/0x140
[ 2919.657989][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2919.657989][   T72]      addrconf_add_dev+0xe2/0x170
[ 2919.657989][   T72]      inet6_addr_add+0x12f/0xa40
[ 2919.657989][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.657989][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.657989][   T72]      netlink_rcv_skb+0x130/0x360
[ 2919.657989][   T72]      netlink_unicast+0x449/0x710
[ 2919.657989][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2919.657989][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.657989][   T72]      ___sys_sendmsg+0xee/0x170
[ 2919.657989][   T72]      __sys_sendmsg+0xcd/0x170
[ 2919.657989][   T72]      do_syscall_64+0xc6/0x1e0
[ 2919.657989][   T72] 
[ 2919.659973][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2919.659973][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2919.659973][   T72]      ipv6_find_idev+0x102/0x170
[ 2919.659973][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2919.659973][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.659973][   T72]      netlink_rcv_skb+0x130/0x360
[ 2919.659973][   T72]      netlink_unicast+0x449/0x710
[ 2919.659973][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2919.659973][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.659973][   T72]      ___sys_sendmsg+0xee/0x170
[ 2919.659973][   T72]      __sys_sendmsg+0xcd/0x170
[ 2919.659973][   T72]      do_syscall_64+0xc6/0x1e0
[ 2919.659973][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.659973][   T72] 
[ 2919.661525][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2919.661525][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2919.661525][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2919.661525][   T72]      ipv6_find_idev+0x102/0x170
[ 2919.661525][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2919.661525][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.661525][   T72]      netlink_rcv_skb+0x130/0x360
[ 2919.661525][   T72]      netlink_unicast+0x449/0x710
[ 2919.661525][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2919.661525][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.661525][   T72]      ___sys_sendmsg+0xee/0x170
[ 2919.661525][   T72]      __sys_sendmsg+0xcd/0x170
[ 2919.661525][   T72]      do_syscall_64+0xc6/0x1e0
[ 2919.661525][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.661525][   T72] 
[ 2929.903888][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2929.904350][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2929.904350][   T72]      netdev_get_by_index+0x5e/0x80
[ 2929.904350][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2929.904350][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2929.904350][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2929.904350][   T72]      ipv6_add_addr+0x411/0x2000
[ 2929.904350][   T72]      inet6_addr_add+0x30e/0xa40
[ 2929.904350][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2929.904350][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2929.904350][   T72]      netlink_rcv_skb+0x130/0x360
[ 2929.904350][   T72]      netlink_unicast+0x449/0x710
[ 2929.904350][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2929.904350][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2929.904350][   T72]      ___sys_sendmsg+0xee/0x170
[ 2929.904350][   T72]      __sys_sendmsg+0xcd/0x170
[ 2929.904350][   T72]      do_syscall_64+0xc6/0x1e0
[ 2929.904350][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2929.904350][   T72] 
[ 2929.906397][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2929.906397][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2929.906397][   T72]      ipv6_find_idev+0x102/0x170
[ 2929.906397][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2929.906397][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2929.906397][   T72]      netlink_rcv_skb+0x130/0x360
[ 2929.906397][   T72]      netlink_unicast+0x449/0x710
[ 2929.906397][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2929.906397][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2929.906397][   T72]      ___sys_sendmsg+0xee/0x170
[ 2929.906397][   T72]      __sys_sendmsg+0xcd/0x170
[ 2929.906397][   T72]      do_syscall_64+0xc6/0x1e0
[ 2929.906397][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2929.906397][   T72] 
[ 2929.908094][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2929.908094][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2929.908094][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2929.908094][   T72]      ipv6_find_idev+0x102/0x170
[ 2929.908094][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2929.908094][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2929.908094][   T72]      netlink_rcv_skb+0x130/0x360
[ 2929.908094][   T72]      netlink_unicast+0x449/0x710
[ 2929.908094][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2929.908094][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2929.908094][   T72]      ___sys_sendmsg+0xee/0x170
[ 2929.908094][   T72]      __sys_sendmsg+0xcd/0x170
[ 2929.908094][   T72]      do_syscall_64+0xc6/0x1e0
[ 2929.908094][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2929.908094][   T72] 
[ 2929.909817][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2929.910071][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2929.910071][   T72]      netdev_get_by_index+0x5e/0x80
[ 2929.910071][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2929.910071][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2929.910071][   T72]      ip6_route_add+0x1c/0x140
[ 2929.910071][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2929.910071][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2929.910071][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2929.910071][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2929.910071][   T72]      netlink_rcv_skb+0x130/0x360
[ 2929.910071][   T72]      netlink_unicast+0x449/0x710
[ 2929.910071][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2929.910071][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2929.910071][   T72]      ___sys_sendmsg+0xee/0x170
[ 2929.910071][   T72]      __sys_sendmsg+0xcd/0x170
[ 2929.910071][   T72]      do_syscall_64+0xc6/0x1e0
[ 2929.910071][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2929.910071][   T72] 
[ 2929.912105][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2929.912105][   T72]      netdev_get_by_index+0x5e/0x80
[ 2929.912105][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2929.912105][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2929.912105][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2929.912105][   T72]      ipv6_add_addr+0x411/0x2000
[ 2929.912105][   T72]      inet6_addr_add+0x30e/0xa40
[ 2929.912105][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2929.912105][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2929.912105][   T72]      netlink_rcv_skb+0x130/0x360
[ 2929.912105][   T72]      netlink_unicast+0x449/0x710
[ 2929.912105][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2929.912105][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2929.912105][   T72]      ___sys_sendmsg+0xee/0x170
[ 2929.912105][   T72]      __sys_sendmsg+0xcd/0x170
[ 2929.912105][   T72]      do_syscall_64+0xc6/0x1e0
[ 2929.912105][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2929.912105][   T72] 
[ 2929.914147][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2929.914147][   T72]      netdev_get_by_index+0x5e/0x80
[ 2929.914147][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2929.914147][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2929.914147][   T72]      ip6_route_add+0x1c/0x140
[ 2929.914147][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2929.914147][   T72]      addrconf_add_dev+0xe2/0x170
[ 2929.914147][   T72]      inet6_addr_add+0x12f/0xa40
[ 2929.914147][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2929.914147][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2929.914147][   T72]      netlink_rcv_skb+0x130/0x360
[ 2929.914147][   T72]      netlink_unicast+0x449/0x710
[ 2929.914147][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2929.914147][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2929.914147][   T72]      ___sys_sendmsg+0xee/0x170
[ 2929.914147][   T72]      __sys_sendmsg+0xcd/0x170
[ 2929.914147][   T72]      do_syscall_64+0xc6/0x1e0
[ 2929.914147][   T72] 
[ 2929.916147][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2929.916147][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2929.916147][   T72]      ipv6_find_idev+0x102/0x170
[ 2929.916147][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2929.916147][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2929.916147][   T72]      netlink_rcv_skb+0x130/0x360
[ 2929.916147][   T72]      netlink_unicast+0x449/0x710
[ 2929.916147][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2929.916147][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2929.916147][   T72]      ___sys_sendmsg+0xee/0x170
[ 2929.916147][   T72]      __sys_sendmsg+0xcd/0x170
[ 2929.916147][   T72]      do_syscall_64+0xc6/0x1e0
[ 2929.916147][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2929.916147][   T72] 
[ 2929.917726][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2929.917726][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2929.917726][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2929.917726][   T72]      ipv6_find_idev+0x102/0x170
[ 2929.917726][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2929.917726][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2929.917726][   T72]      netlink_rcv_skb+0x130/0x360
[ 2929.917726][   T72]      netlink_unicast+0x449/0x710
[ 2929.917726][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2929.917726][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2929.917726][   T72]      ___sys_sendmsg+0xee/0x170
[ 2929.917726][   T72]      __sys_sendmsg+0xcd/0x170
[ 2929.917726][   T72]      do_syscall_64+0xc6/0x1e0
[ 2929.917726][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2929.917726][   T72] 
[ 2940.159950][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2940.160426][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2940.160426][   T72]      netdev_get_by_index+0x5e/0x80
[ 2940.160426][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2940.160426][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2940.160426][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2940.160426][   T72]      ipv6_add_addr+0x411/0x2000
[ 2940.160426][   T72]      inet6_addr_add+0x30e/0xa40
[ 2940.160426][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.160426][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.160426][   T72]      netlink_rcv_skb+0x130/0x360
[ 2940.160426][   T72]      netlink_unicast+0x449/0x710
[ 2940.160426][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2940.160426][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.160426][   T72]      ___sys_sendmsg+0xee/0x170
[ 2940.160426][   T72]      __sys_sendmsg+0xcd/0x170
[ 2940.160426][   T72]      do_syscall_64+0xc6/0x1e0
[ 2940.160426][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.160426][   T72] 
[ 2940.162488][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2940.162488][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2940.162488][   T72]      ipv6_find_idev+0x102/0x170
[ 2940.162488][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2940.162488][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.162488][   T72]      netlink_rcv_skb+0x130/0x360
[ 2940.162488][   T72]      netlink_unicast+0x449/0x710
[ 2940.162488][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2940.162488][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.162488][   T72]      ___sys_sendmsg+0xee/0x170
[ 2940.162488][   T72]      __sys_sendmsg+0xcd/0x170
[ 2940.162488][   T72]      do_syscall_64+0xc6/0x1e0
[ 2940.162488][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.162488][   T72] 
[ 2940.164060][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2940.164060][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2940.164060][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2940.164060][   T72]      ipv6_find_idev+0x102/0x170
[ 2940.164060][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2940.164060][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.164060][   T72]      netlink_rcv_skb+0x130/0x360
[ 2940.164060][   T72]      netlink_unicast+0x449/0x710
[ 2940.164060][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2940.164060][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.164060][   T72]      ___sys_sendmsg+0xee/0x170
[ 2940.164060][   T72]      __sys_sendmsg+0xcd/0x170
[ 2940.164060][   T72]      do_syscall_64+0xc6/0x1e0
[ 2940.164060][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.164060][   T72] 
[ 2940.165786][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2940.166042][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2940.166042][   T72]      netdev_get_by_index+0x5e/0x80
[ 2940.166042][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2940.166042][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2940.166042][   T72]      ip6_route_add+0x1c/0x140
[ 2940.166042][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2940.166042][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2940.166042][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.166042][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.166042][   T72]      netlink_rcv_skb+0x130/0x360
[ 2940.166042][   T72]      netlink_unicast+0x449/0x710
[ 2940.166042][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2940.166042][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.166042][   T72]      ___sys_sendmsg+0xee/0x170
[ 2940.166042][   T72]      __sys_sendmsg+0xcd/0x170
[ 2940.166042][   T72]      do_syscall_64+0xc6/0x1e0
[ 2940.166042][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.166042][   T72] 
[ 2940.168082][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2940.168082][   T72]      netdev_get_by_index+0x5e/0x80
[ 2940.168082][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2940.168082][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2940.168082][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2940.168082][   T72]      ipv6_add_addr+0x411/0x2000
[ 2940.168082][   T72]      inet6_addr_add+0x30e/0xa40
[ 2940.168082][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.168082][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.168082][   T72]      netlink_rcv_skb+0x130/0x360
[ 2940.168082][   T72]      netlink_unicast+0x449/0x710
[ 2940.168082][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2940.168082][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.168082][   T72]      ___sys_sendmsg+0xee/0x170
[ 2940.168082][   T72]      __sys_sendmsg+0xcd/0x170
[ 2940.168082][   T72]      do_syscall_64+0xc6/0x1e0
[ 2940.168082][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.168082][   T72] 
[ 2940.170107][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2940.170107][   T72]      netdev_get_by_index+0x5e/0x80
[ 2940.170107][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2940.170107][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2940.170107][   T72]      ip6_route_add+0x1c/0x140
[ 2940.170107][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2940.170107][   T72]      addrconf_add_dev+0xe2/0x170
[ 2940.170107][   T72]      inet6_addr_add+0x12f/0xa40
[ 2940.170107][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.170107][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.170107][   T72]      netlink_rcv_skb+0x130/0x360
[ 2940.170107][   T72]      netlink_unicast+0x449/0x710
[ 2940.170107][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2940.170107][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.170107][   T72]      ___sys_sendmsg+0xee/0x170
[ 2940.170107][   T72]      __sys_sendmsg+0xcd/0x170
[ 2940.170107][   T72]      do_syscall_64+0xc6/0x1e0
[ 2940.170107][   T72] 
[ 2940.172131][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2940.172131][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2940.172131][   T72]      ipv6_find_idev+0x102/0x170
[ 2940.172131][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2940.172131][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.172131][   T72]      netlink_rcv_skb+0x130/0x360
[ 2940.172131][   T72]      netlink_unicast+0x449/0x710
[ 2940.172131][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2940.172131][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.172131][   T72]      ___sys_sendmsg+0xee/0x170
[ 2940.172131][   T72]      __sys_sendmsg+0xcd/0x170
[ 2940.172131][   T72]      do_syscall_64+0xc6/0x1e0
[ 2940.172131][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.172131][   T72] 
[ 2940.173703][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2940.173703][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2940.173703][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2940.173703][   T72]      ipv6_find_idev+0x102/0x170
[ 2940.173703][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2940.173703][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.173703][   T72]      netlink_rcv_skb+0x130/0x360
[ 2940.173703][   T72]      netlink_unicast+0x449/0x710
[ 2940.173703][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2940.173703][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.173703][   T72]      ___sys_sendmsg+0xee/0x170
[ 2940.173703][   T72]      __sys_sendmsg+0xcd/0x170
[ 2940.173703][   T72]      do_syscall_64+0xc6/0x1e0
[ 2940.173703][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.173703][   T72] 
[ 2950.415873][   T72] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 2950.416248][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2950.416248][   T72]      netdev_get_by_index+0x5e/0x80
[ 2950.416248][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2950.416248][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2950.416248][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2950.416248][   T72]      ipv6_add_addr+0x411/0x2000
[ 2950.416248][   T72]      inet6_addr_add+0x30e/0xa40
[ 2950.416248][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.416248][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.416248][   T72]      netlink_rcv_skb+0x130/0x360
[ 2950.416248][   T72]      netlink_unicast+0x449/0x710
[ 2950.416248][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2950.416248][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.416248][   T72]      ___sys_sendmsg+0xee/0x170
[ 2950.416248][   T72]      __sys_sendmsg+0xcd/0x170
[ 2950.416248][   T72]      do_syscall_64+0xc6/0x1e0
[ 2950.416248][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.416248][   T72] 
[ 2950.418400][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2950.418400][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2950.418400][   T72]      ipv6_find_idev+0x102/0x170
[ 2950.418400][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2950.418400][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.418400][   T72]      netlink_rcv_skb+0x130/0x360
[ 2950.418400][   T72]      netlink_unicast+0x449/0x710
[ 2950.418400][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2950.418400][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.418400][   T72]      ___sys_sendmsg+0xee/0x170
[ 2950.418400][   T72]      __sys_sendmsg+0xcd/0x170
[ 2950.418400][   T72]      do_syscall_64+0xc6/0x1e0
[ 2950.418400][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.418400][   T72] 
[ 2950.419963][   T72] ref_tracker: veth%d@ffff888007e395e0 has 1/3 users at
[ 2950.419963][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2950.419963][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2950.419963][   T72]      ipv6_find_idev+0x102/0x170
[ 2950.419963][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2950.419963][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.419963][   T72]      netlink_rcv_skb+0x130/0x360
[ 2950.419963][   T72]      netlink_unicast+0x449/0x710
[ 2950.419963][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2950.419963][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.419963][   T72]      ___sys_sendmsg+0xee/0x170
[ 2950.419963][   T72]      __sys_sendmsg+0xcd/0x170
[ 2950.419963][   T72]      do_syscall_64+0xc6/0x1e0
[ 2950.419963][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.419963][   T72] 
[ 2950.421663][   T72] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 2950.421928][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2950.421928][   T72]      netdev_get_by_index+0x5e/0x80
[ 2950.421928][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2950.421928][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2950.421928][   T72]      ip6_route_add+0x1c/0x140
[ 2950.421928][   T72]      addrconf_prefix_route+0x2a6/0x430
[ 2950.421928][   T72]      inet6_addr_add+0x4f8/0xa40
[ 2950.421928][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.421928][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.421928][   T72]      netlink_rcv_skb+0x130/0x360
[ 2950.421928][   T72]      netlink_unicast+0x449/0x710
[ 2950.421928][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2950.421928][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.421928][   T72]      ___sys_sendmsg+0xee/0x170
[ 2950.421928][   T72]      __sys_sendmsg+0xcd/0x170
[ 2950.421928][   T72]      do_syscall_64+0xc6/0x1e0
[ 2950.421928][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.421928][   T72] 
[ 2950.423947][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2950.423947][   T72]      netdev_get_by_index+0x5e/0x80
[ 2950.423947][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2950.423947][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2950.423947][   T72]      addrconf_f6i_alloc+0x315/0x560
[ 2950.423947][   T72]      ipv6_add_addr+0x411/0x2000
[ 2950.423947][   T72]      inet6_addr_add+0x30e/0xa40
[ 2950.423947][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.423947][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.423947][   T72]      netlink_rcv_skb+0x130/0x360
[ 2950.423947][   T72]      netlink_unicast+0x449/0x710
[ 2950.423947][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2950.423947][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.423947][   T72]      ___sys_sendmsg+0xee/0x170
[ 2950.423947][   T72]      __sys_sendmsg+0xcd/0x170
[ 2950.423947][   T72]      do_syscall_64+0xc6/0x1e0
[ 2950.423947][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.423947][   T72] 
[ 2950.425969][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2950.425969][   T72]      netdev_get_by_index+0x5e/0x80
[ 2950.425969][   T72]      fib6_nh_init+0x3d8/0x1580
[ 2950.425969][   T72]      ip6_route_info_create+0xf18/0x17d0
[ 2950.425969][   T72]      ip6_route_add+0x1c/0x140
[ 2950.425969][   T72]      addrconf_add_mroute+0x1ac/0x2c0
[ 2950.425969][   T72]      addrconf_add_dev+0xe2/0x170
[ 2950.425969][   T72]      inet6_addr_add+0x12f/0xa40
[ 2950.425969][   T72]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.425969][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.425969][   T72]      netlink_rcv_skb+0x130/0x360
[ 2950.425969][   T72]      netlink_unicast+0x449/0x710
[ 2950.425969][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2950.425969][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.425969][   T72]      ___sys_sendmsg+0xee/0x170
[ 2950.425969][   T72]      __sys_sendmsg+0xcd/0x170
[ 2950.425969][   T72]      do_syscall_64+0xc6/0x1e0
[ 2950.425969][   T72] 
[ 2950.427964][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2950.427964][   T72]      ipv6_add_dev+0x3ba/0x11c0
[ 2950.427964][   T72]      ipv6_find_idev+0x102/0x170
[ 2950.427964][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2950.427964][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.427964][   T72]      netlink_rcv_skb+0x130/0x360
[ 2950.427964][   T72]      netlink_unicast+0x449/0x710
[ 2950.427964][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2950.427964][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.427964][   T72]      ___sys_sendmsg+0xee/0x170
[ 2950.427964][   T72]      __sys_sendmsg+0xcd/0x170
[ 2950.427964][   T72]      do_syscall_64+0xc6/0x1e0
[ 2950.427964][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.427964][   T72] 
[ 2950.429511][   T72] ref_tracker: veth%d@ffff888007f495e0 has 1/5 users at
[ 2950.429511][   T72]      neigh_parms_alloc+0x1e5/0x510
[ 2950.429511][   T72]      ipv6_add_dev+0x2fe/0x11c0
[ 2950.429511][   T72]      ipv6_find_idev+0x102/0x170
[ 2950.429511][   T72]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2950.429511][   T72]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.429511][   T72]      netlink_rcv_skb+0x130/0x360
[ 2950.429511][   T72]      netlink_unicast+0x449/0x710
[ 2950.429511][   T72]      netlink_sendmsg+0x723/0xbe0
[ 2950.429511][   T72]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.429511][   T72]      ___sys_sendmsg+0xee/0x170
[ 2950.429511][   T72]      __sys_sendmsg+0xcd/0x170
[ 2950.429511][   T72]      do_syscall_64+0xc6/0x1e0
[ 2950.429511][   T72]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.429511][   T72] 

HARD STOP (2916.865319)

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr