[   27.432352][    C2] BUG: spinlock bad magic on CPU#2, kworker/u16:0/11
[   27.432558][    C2]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:0/11, .owner_cpu: 2
[   27.432839][    C2] CPU: 2 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.10.0-virtme #1
[   27.433046][    C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   27.433352][    C2] Workqueue: netns cleanup_net
[   27.433498][    C2] Call Trace:
[   27.433607][    C2]  <IRQ>
[   27.433681][    C2]  dump_stack_lvl+0xb0/0xd0
[   27.433826][    C2]  do_raw_spin_unlock+0x1ac/0x220
[   27.433968][    C2]  _raw_spin_unlock+0x23/0x40
[   27.434107][    C2]  net_tx_action+0x424/0x680
[   27.434246][    C2]  handle_softirqs+0x1f9/0x5c0
[   27.434384][    C2]  ? dev_deactivate_many+0x1e2/0x8d0
[   27.434525][    C2]  do_softirq+0x4d/0xa0
[   27.434628][    C2]  </IRQ>
[   27.434698][    C2]  <TASK>
[   27.434769][    C2]  __local_bh_enable_ip+0xf6/0x120
[   27.434905][    C2]  dev_deactivate_many+0x1e7/0x8d0
[   27.435045][    C2]  __dev_close_many+0x12b/0x2d0
[   27.435185][    C2]  ? __pfx___dev_close_many+0x10/0x10
[   27.435326][    C2]  ? __lock_acquire+0xa70/0x1560
[   27.435463][    C2]  dev_close_many+0x202/0x650
[   27.435604][    C2]  ? lock_acquire.part.0+0xeb/0x330
[   27.435742][    C2]  ? default_device_exit_batch+0x81/0x2d0
[   27.435885][    C2]  ? __pfx_dev_close_many+0x10/0x10
[   27.436020][    C2]  ? fou_exit_net+0x2f/0xf0
[   27.436160][    C2]  ? __mutex_trylock_common+0xfa/0x260
[   27.436303][    C2]  unregister_netdevice_many_notify+0x8e5/0x1570
[   27.436475][    C2]  ? lock_acquire+0x32/0xc0
[   27.436613][    C2]  ? trace_contention_end+0xeb/0x150
[   27.436751][    C2]  ? __mutex_lock+0x170/0xac0
[   27.436889][    C2]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   27.437061][    C2]  ? __mutex_lock+0x170/0xac0
[   27.437196][    C2]  ? find_held_lock+0x2c/0x110
[   27.437336][    C2]  ? mutex_is_locked+0x17/0x50
[   27.437473][    C2]  ? mutex_is_locked+0x17/0x50
[   27.437610][    C2]  ? rtnl_is_locked+0x15/0x20
[   27.437750][    C2]  ? unregister_netdevice_queue+0x70/0x410
[   27.437918][    C2]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   27.438089][    C2]  default_device_exit_batch+0x234/0x2d0
[   27.438239][    C2]  ? __pfx_default_device_exit_batch+0x10/0x10
[   27.438408][    C2]  ? ops_exit_list+0xb4/0x170
[   27.438555][    C2]  cleanup_net+0x4ef/0xb10
[   27.438693][    C2]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   27.438829][    C2]  ? __pfx_cleanup_net+0x10/0x10
[   27.438965][    C2]  ? trace_lock_acquire+0x14d/0x1f0
[   27.439102][    C2]  ? process_one_work+0xdf1/0x1670
[   27.439239][    C2]  ? lock_acquire+0x32/0xc0
[   27.439379][    C2]  ? process_one_work+0xdf1/0x1670
[   27.439517][    C2]  process_one_work+0xe3b/0x1670
[   27.439654][    C2]  ? __pfx___lock_release+0x10/0x10
[   27.439792][    C2]  ? __pfx_process_one_work+0x10/0x10
[   27.439930][    C2]  ? assign_work+0x16c/0x240
[   27.440067][    C2]  worker_thread+0x587/0xce0
[   27.440205][    C2]  ? __pfx_worker_thread+0x10/0x10
[   27.440339][    C2]  kthread+0x28a/0x350
[   27.440446][    C2]  ? __pfx_kthread+0x10/0x10
[   27.440583][    C2]  ret_from_fork+0x31/0x70
[   27.440719][    C2]  ? __pfx_kthread+0x10/0x10
[   27.440856][    C2]  ret_from_fork_asm+0x1a/0x30
[   27.440996][    C2]  </TASK>