[  280.564691][    C3] BUG: spinlock bad magic on CPU#3, kworker/u16:1/72
[  280.564951][    C3]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:1/72, .owner_cpu: 3
[  280.565277][    C3] CPU: 3 UID: 0 PID: 72 Comm: kworker/u16:1 Not tainted 6.10.0-virtme #1
[  280.565521][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  280.565832][    C3] Workqueue: netns cleanup_net
[  280.565977][    C3] Call Trace:
[  280.566089][    C3]  <IRQ>
[  280.566162][    C3]  dump_stack_lvl+0xb0/0xd0
[  280.566313][    C3]  do_raw_spin_unlock+0x1ac/0x220
[  280.566494][    C3]  _raw_spin_unlock+0x23/0x40
[  280.566640][    C3]  net_tx_action+0x424/0x680
[  280.566809][    C3]  handle_softirqs+0x1f9/0x5c0
[  280.566955][    C3]  ? dev_deactivate_many+0x1e2/0x8d0
[  280.567126][    C3]  do_softirq+0x4d/0xa0
[  280.567241][    C3]  </IRQ>
[  280.567318][    C3]  <TASK>
[  280.567395][    C3]  __local_bh_enable_ip+0xf6/0x120
[  280.567551][    C3]  dev_deactivate_many+0x1e7/0x8d0
[  280.567707][    C3]  __dev_close_many+0x12b/0x2d0
[  280.567861][    C3]  ? __pfx___dev_close_many+0x10/0x10
[  280.568038][    C3]  ? __lock_acquire+0xa70/0x1560
[  280.568180][    C3]  dev_close_many+0x202/0x650
[  280.568334][    C3]  ? lock_acquire.part.0+0xeb/0x330
[  280.568485][    C3]  ? default_device_exit_batch+0x81/0x2d0
[  280.568636][    C3]  ? __pfx_dev_close_many+0x10/0x10
[  280.568797][    C3]  ? fou_exit_net+0x2f/0xf0
[  280.568943][    C3]  ? __mutex_trylock_common+0xfa/0x260
[  280.569086][    C3]  unregister_netdevice_many_notify+0x8e5/0x1570
[  280.569261][    C3]  ? lock_acquire+0x32/0xc0
[  280.569425][    C3]  ? trace_contention_end+0xeb/0x150
[  280.569568][    C3]  ? __mutex_lock+0x170/0xac0
[  280.569734][    C3]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[  280.569911][    C3]  ? __mutex_lock+0x170/0xac0
[  280.570081][    C3]  ? find_held_lock+0x2c/0x110
[  280.570236][    C3]  ? mutex_is_locked+0x17/0x50
[  280.570383][    C3]  ? mutex_is_locked+0x17/0x50
[  280.570551][    C3]  ? rtnl_is_locked+0x15/0x20
[  280.570697][    C3]  ? unregister_netdevice_queue+0x70/0x410
[  280.570874][    C3]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[  280.571054][    C3]  default_device_exit_batch+0x234/0x2d0
[  280.571197][    C3]  ? __pfx_default_device_exit_batch+0x10/0x10
[  280.571376][    C3]  ? ops_exit_list+0xb4/0x170
[  280.571522][    C3]  cleanup_net+0x4ef/0xb10
[  280.571662][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  280.571801][    C3]  ? __pfx_cleanup_net+0x10/0x10
[  280.571935][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[  280.572068][    C3]  ? process_one_work+0xdf1/0x1670
[  280.572210][    C3]  ? lock_acquire+0x32/0xc0
[  280.572346][    C3]  ? process_one_work+0xdf1/0x1670
[  280.572481][    C3]  process_one_work+0xe3b/0x1670
[  280.572617][    C3]  ? __pfx___lock_release+0x10/0x10
[  280.572756][    C3]  ? __pfx_process_one_work+0x10/0x10
[  280.572899][    C3]  ? assign_work+0x16c/0x240
[  280.573042][    C3]  worker_thread+0x587/0xce0
[  280.573182][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  280.573359][    C3]  ? __pfx_worker_thread+0x10/0x10
[  280.573497][    C3]  ? __pfx_worker_thread+0x10/0x10
[  280.573637][    C3]  kthread+0x28a/0x350
[  280.573740][    C3]  ? __pfx_kthread+0x10/0x10
[  280.573879][    C3]  ret_from_fork+0x31/0x70
[  280.574021][    C3]  ? __pfx_kthread+0x10/0x10
[  280.574161][    C3]  ret_from_fork_asm+0x1a/0x30
[  280.574305][    C3]  </TASK>