unregister_netdevice: waiting for virt_wifi0 to become free. Usage count = 2
ref_tracker: virt_wifi0@ffff88803645c608 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4136 [inline]
     netdev_tracker_alloc include/linux/netdevice.h:4148 [inline]
     fib_create_info+0x32b6/0x5050 net/ipv4/fib_semantics.c:1527
     fib_table_insert+0x1d7/0x1d70 net/ipv4/fib_trie.c:1231
     fib_magic+0x4d6/0x5c0 net/ipv4/fib_frontend.c:1112
     fib_add_ifaddr+0x174/0x560 net/ipv4/fib_frontend.c:1134
     fib_inetaddr_event+0x174/0x2c0 net/ipv4/fib_frontend.c:1448
     notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
     blocking_notifier_call_chain kernel/notifier.c:380 [inline]
     blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:368
     __inet_insert_ifa+0x8c9/0xc50 net/ipv4/devinet.c:575
     inet_rtm_newaddr+0xd97/0x1580 net/ipv4/devinet.c:1010
     rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6919
     netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2542
     netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
     netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347
     netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891
     sock_sendmsg_nosec net/socket.c:711 [inline]
     __sock_sendmsg net/socket.c:726 [inline]
     __sys_sendto+0x488/0x4f0 net/socket.c:2197
     __do_sys_sendto net/socket.c:2204 [inline]
     __se_sys_sendto net/socket.c:2200 [inline]
     __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2200
     do_syscall_x64 arch/x86/entry/common.c:52 [inline]
     do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83

unregister_netdevice: waiting for veth1_virt_wifi to become free. Usage count = 4
ref_tracker: veth1_virt_wifi@ffff88802c0be608 has 1/3 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4136 [inline]
     netdev_tracker_alloc include/linux/netdevice.h:4148 [inline]
     netdev_get_by_index+0x7c/0xb0 net/core/dev.c:916
     fib6_nh_init+0x792/0x1da0 net/ipv6/route.c:3543
     ip6_route_info_create+0x11d7/0x1aa0 net/ipv6/route.c:3809
     addrconf_f6i_alloc+0x393/0x670 net/ipv6/route.c:4588
     ipv6_add_addr+0x537/0x2010 net/ipv6/addrconf.c:1120
     addrconf_add_linklocal+0x2a6/0x620 net/ipv6/addrconf.c:3336
     addrconf_addr_gen+0x37b/0x3d0 net/ipv6/addrconf.c:3467
     addrconf_dev_config net/ipv6/addrconf.c:3513 [inline]
     addrconf_init_auto_addrs+0x446/0x820 net/ipv6/addrconf.c:3591
     addrconf_notify+0x6e2/0x19c0 net/ipv6/addrconf.c:3764
     notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
     call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:1996
     netdev_state_change net/core/dev.c:1378 [inline]
     netdev_state_change+0x115/0x150 net/core/dev.c:1371
     linkwatch_do_dev+0x12b/0x160 net/core/link_watch.c:182
     __linkwatch_run_queue+0x233/0x690 net/core/link_watch.c:239
     linkwatch_event+0x8f/0xc0 net/core/link_watch.c:282
     process_one_work+0x958/0x1b30 kernel/workqueue.c:3229

ref_tracker: veth1_virt_wifi@ffff88802c0be608 has 1/3 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4136 [inline]
     netdev_tracker_alloc include/linux/netdevice.h:4148 [inline]
     netdev_get_by_index+0x7c/0xb0 net/core/dev.c:916
     fib6_nh_init+0x792/0x1da0 net/ipv6/route.c:3543
     ip6_route_info_create+0x11d7/0x1aa0 net/ipv6/route.c:3809
     addrconf_f6i_alloc+0x393/0x670 net/ipv6/route.c:4588
     fixup_permanent_addr net/ipv6/addrconf.c:3607 [inline]
     addrconf_permanent_addr net/ipv6/addrconf.c:3646 [inline]
     addrconf_notify+0x109f/0x19c0 net/ipv6/addrconf.c:3718
     notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
     call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:1996
     call_netdevice_notifiers_extack net/core/dev.c:2034 [inline]
     call_netdevice_notifiers net/core/dev.c:2048 [inline]
     __dev_notify_flags+0x12d/0x2e0 net/core/dev.c:8988
     dev_change_flags+0x10c/0x160 net/core/dev.c:9026
     do_setlink.constprop.0+0x17b9/0x3f20 net/core/rtnetlink.c:3109
     rtnl_changelink net/core/rtnetlink.c:3723 [inline]
     __rtnl_newlink net/core/rtnetlink.c:3874 [inline]
     rtnl_newlink+0x12e6/0x1d00 net/core/rtnetlink.c:4009
     rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6919
     netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2542
     netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
     netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347
     netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891
     sock_sendmsg_nosec net/socket.c:711 [inline]
     __sock_sendmsg net/socket.c:726 [inline]
     __sys_sendto+0x488/0x4f0 net/socket.c:2197

ref_tracker: veth1_virt_wifi@ffff88802c0be608 has 1/3 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4136 [inline]
     netdev_tracker_alloc include/linux/netdevice.h:4148 [inline]
     fib_create_info+0x32b6/0x5050 net/ipv4/fib_semantics.c:1527
     fib_table_insert+0x1d7/0x1d70 net/ipv4/fib_trie.c:1231
     fib_magic+0x4d6/0x5c0 net/ipv4/fib_frontend.c:1112
     fib_add_ifaddr+0x174/0x560 net/ipv4/fib_frontend.c:1134
     fib_inetaddr_event+0x174/0x2c0 net/ipv4/fib_frontend.c:1448
     notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
     blocking_notifier_call_chain kernel/notifier.c:380 [inline]
     blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:368
     __inet_insert_ifa+0x8c9/0xc50 net/ipv4/devinet.c:575
     inet_rtm_newaddr+0xd97/0x1580 net/ipv4/devinet.c:1010
     rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6919
     netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2542
     netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
     netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347
     netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891
     sock_sendmsg_nosec net/socket.c:711 [inline]
     __sock_sendmsg net/socket.c:726 [inline]
     __sys_sendto+0x488/0x4f0 net/socket.c:2197
     __do_sys_sendto net/socket.c:2204 [inline]
     __se_sys_sendto net/socket.c:2200 [inline]
     __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2200
     do_syscall_x64 arch/x86/entry/common.c:52 [inline]
     do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83

unregister_netdevice: waiting for veth0_virt_wifi to become free. Usage count = 4
ref_tracker: veth0_virt_wifi@ffff88802c0b8608 has 1/3 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4136 [inline]
     netdev_tracker_alloc include/linux/netdevice.h:4148 [inline]
     netdev_get_by_index+0x7c/0xb0 net/core/dev.c:916
     fib6_nh_init+0x792/0x1da0 net/ipv6/route.c:3543
     ip6_route_info_create+0x11d7/0x1aa0 net/ipv6/route.c:3809
     addrconf_f6i_alloc+0x393/0x670 net/ipv6/route.c:4588
     ipv6_add_addr+0x537/0x2010 net/ipv6/addrconf.c:1120
     addrconf_add_linklocal+0x2a6/0x620 net/ipv6/addrconf.c:3336
     addrconf_addr_gen+0x37b/0x3d0 net/ipv6/addrconf.c:3467
     addrconf_dev_config net/ipv6/addrconf.c:3513 [inline]
     addrconf_init_auto_addrs+0x446/0x820 net/ipv6/addrconf.c:3591
     addrconf_notify+0x6e2/0x19c0 net/ipv6/addrconf.c:3764
     notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
     call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:1996
     netdev_state_change net/core/dev.c:1378 [inline]
     netdev_state_change+0x115/0x150 net/core/dev.c:1371
     linkwatch_do_dev+0x12b/0x160 net/core/link_watch.c:182
     __linkwatch_run_queue+0x233/0x690 net/core/link_watch.c:239
     linkwatch_event+0x8f/0xc0 net/core/link_watch.c:282
     process_one_work+0x958/0x1b30 kernel/workqueue.c:3229

ref_tracker: veth0_virt_wifi@ffff88802c0b8608 has 1/3 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4136 [inline]
     netdev_tracker_alloc include/linux/netdevice.h:4148 [inline]
     netdev_get_by_index+0x7c/0xb0 net/core/dev.c:916
     fib6_nh_init+0x792/0x1da0 net/ipv6/route.c:3543
     ip6_route_info_create+0x11d7/0x1aa0 net/ipv6/route.c:3809
     addrconf_f6i_alloc+0x393/0x670 net/ipv6/route.c:4588
     fixup_permanent_addr net/ipv6/addrconf.c:3607 [inline]
     addrconf_permanent_addr net/ipv6/addrconf.c:3646 [inline]
     addrconf_notify+0x109f/0x19c0 net/ipv6/addrconf.c:3718
     notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
     call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:1996
     call_netdevice_notifiers_extack net/core/dev.c:2034 [inline]
     call_netdevice_notifiers net/core/dev.c:2048 [inline]
     __dev_notify_flags+0x12d/0x2e0 net/core/dev.c:8988
     dev_change_flags+0x10c/0x160 net/core/dev.c:9026
     do_setlink.constprop.0+0x17b9/0x3f20 net/core/rtnetlink.c:3109
     rtnl_changelink net/core/rtnetlink.c:3723 [inline]
     __rtnl_newlink net/core/rtnetlink.c:3874 [inline]
     rtnl_newlink+0x12e6/0x1d00 net/core/rtnetlink.c:4009
     rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6919
     netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2542
     netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
     netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347
     netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891
     sock_sendmsg_nosec net/socket.c:711 [inline]
     __sock_sendmsg net/socket.c:726 [inline]
     __sys_sendto+0x488/0x4f0 net/socket.c:2197

ref_tracker: veth0_virt_wifi@ffff88802c0b8608 has 1/3 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4136 [inline]
     netdev_tracker_alloc include/linux/netdevice.h:4148 [inline]
     fib_create_info+0x32b6/0x5050 net/ipv4/fib_semantics.c:1527
     fib_table_insert+0x1d7/0x1d70 net/ipv4/fib_trie.c:1231
     fib_magic+0x4d6/0x5c0 net/ipv4/fib_frontend.c:1112
     fib_add_ifaddr+0x174/0x560 net/ipv4/fib_frontend.c:1134
     fib_inetaddr_event+0x174/0x2c0 net/ipv4/fib_frontend.c:1448
     notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
     blocking_notifier_call_chain kernel/notifier.c:380 [inline]
     blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:368
     __inet_insert_ifa+0x8c9/0xc50 net/ipv4/devinet.c:575
     inet_rtm_newaddr+0xd97/0x1580 net/ipv4/devinet.c:1010
     rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6919
     netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2542
     netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
     netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347
     netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891
     sock_sendmsg_nosec net/socket.c:711 [inline]
     __sock_sendmsg net/socket.c:726 [inline]
     __sys_sendto+0x488/0x4f0 net/socket.c:2197
     __do_sys_sendto net/socket.c:2204 [inline]
     __se_sys_sendto net/socket.c:2200 [inline]
     __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2200
     do_syscall_x64 arch/x86/entry/common.c:52 [inline]
     do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83