[   49.974512][    C3] BUG: spinlock bad magic on CPU#3, kworker/u16:0/11
[   49.974920][    C3]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:0/11, .owner_cpu: 3
[   49.975205][    C3] CPU: 3 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.10.0-virtme #1
[   49.975402][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   49.975729][    C3] Workqueue: netns cleanup_net
[   49.975866][    C3] Call Trace:
[   49.975966][    C3]  <IRQ>
[   49.976033][    C3]  dump_stack_lvl+0xb0/0xd0
[   49.976167][    C3]  do_raw_spin_unlock+0x1ac/0x220
[   49.976299][    C3]  _raw_spin_unlock+0x23/0x40
[   49.976436][    C3]  net_tx_action+0x424/0x680
[   49.976569][    C3]  handle_softirqs+0x1f9/0x5c0
[   49.976702][    C3]  ? dev_deactivate_many+0x1e2/0x8d0
[   49.976839][    C3]  do_softirq+0x4d/0xa0
[   49.976939][    C3]  </IRQ>
[   49.977010][    C3]  <TASK>
[   49.977075][    C3]  __local_bh_enable_ip+0xf6/0x120
[   49.977293][    C3]  dev_deactivate_many+0x1e7/0x8d0
[   49.977425][    C3]  __dev_close_many+0x12b/0x2d0
[   49.977646][    C3]  ? __pfx___dev_close_many+0x10/0x10
[   49.977776][    C3]  ? __lock_acquire+0xa70/0x1560
[   49.977906][    C3]  dev_close_many+0x202/0x650
[   49.978038][    C3]  ? lock_acquire.part.0+0xeb/0x330
[   49.978163][    C3]  ? default_device_exit_batch+0x81/0x2d0
[   49.978387][    C3]  ? __pfx_dev_close_many+0x10/0x10
[   49.978526][    C3]  ? fou_exit_net+0x2f/0xf0
[   49.978661][    C3]  ? __mutex_trylock_common+0xfa/0x260
[   49.978790][    C3]  unregister_netdevice_many_notify+0x8e5/0x1570
[   49.978947][    C3]  ? lock_acquire+0x32/0xc0
[   49.979188][    C3]  ? trace_contention_end+0xeb/0x150
[   49.979319][    C3]  ? __mutex_lock+0x170/0xac0
[   49.979446][    C3]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   49.979604][    C3]  ? __mutex_lock+0x170/0xac0
[   49.979730][    C3]  ? find_held_lock+0x2c/0x110
[   49.979859][    C3]  ? mutex_is_locked+0x17/0x50
[   49.980067][    C3]  ? mutex_is_locked+0x17/0x50
[   49.980272][    C3]  ? rtnl_is_locked+0x15/0x20
[   49.980400][    C3]  ? unregister_netdevice_queue+0x70/0x410
[   49.980559][    C3]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   49.980725][    C3]  default_device_exit_batch+0x234/0x2d0
[   49.980933][    C3]  ? __pfx_default_device_exit_batch+0x10/0x10
[   49.981169][    C3]  ? ops_exit_list+0xb4/0x170
[   49.981303][    C3]  cleanup_net+0x4ef/0xb10
[   49.981431][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   49.981558][    C3]  ? __pfx_cleanup_net+0x10/0x10
[   49.981684][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[   49.981816][    C3]  ? process_one_work+0xdf1/0x1670
[   49.981941][    C3]  ? lock_acquire+0x32/0xc0
[   49.982156][    C3]  ? process_one_work+0xdf1/0x1670
[   49.982283][    C3]  process_one_work+0xe3b/0x1670
[   49.982411][    C3]  ? __pfx___lock_release+0x10/0x10
[   49.982538][    C3]  ? __pfx_process_one_work+0x10/0x10
[   49.982668][    C3]  ? assign_work+0x16c/0x240
[   49.982794][    C3]  worker_thread+0x587/0xce0
[   49.982921][    C3]  ? __pfx_worker_thread+0x10/0x10
[   49.983049][    C3]  kthread+0x28a/0x350
[   49.983144][    C3]  ? __pfx_kthread+0x10/0x10
[   49.983275][    C3]  ret_from_fork+0x31/0x70
[   49.983401][    C3]  ? __pfx_kthread+0x10/0x10
[   49.983527][    C3]  ret_from_fork_asm+0x1a/0x30
[   49.983657][    C3]  </TASK>