unregister_netdevice: waiting for syzkaller1.2 to become free. Usage count = 15
unregister_netdevice: waiting for syzkaller1 to become free. Usage count = 22
ref_tracker: netdev@000000007689c719 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4400 [inline]
     netdev_hold include/linux/netdevice.h:4429 [inline]
     vlan_dev_init+0x250/0x344 net/8021q/vlan_dev.c:594
     register_netdevice+0x110/0x790 net/core/dev.c:11333
     register_vlan_dev+0x110/0x268 net/8021q/vlan.c:179
     register_vlan_device net/8021q/vlan.c:279 [inline]
     vlan_ioctl_handler+0x2a8/0x4d8 net/8021q/vlan.c:647
     sock_ioctl+0x1c8/0x374 net/socket.c:1339
     vfs_ioctl fs/ioctl.c:51 [inline]
     __do_sys_ioctl fs/ioctl.c:597 [inline]
     __se_sys_ioctl fs/ioctl.c:583 [inline]
     __arm64_sys_ioctl+0xac/0x104 fs/ioctl.c:583
     __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
     invoke_syscall+0x48/0x104 arch/arm64/kernel/syscall.c:49
     el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132
     do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151
     el0_svc+0x34/0x124 arch/arm64/kernel/entry-common.c:724
     el0t_64_sync_handler+0xa0/0xf0 arch/arm64/kernel/entry-common.c:743
     el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596