[   28.208740][    C0] BUG: spinlock bad magic on CPU#0, kworker/u16:1/72
[   28.208963][    C0]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:1/72, .owner_cpu: 0
[   28.209285][    C0] CPU: 0 UID: 0 PID: 72 Comm: kworker/u16:1 Not tainted 6.10.0-virtme #1
[   28.209518][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   28.209849][    C0] Workqueue: netns cleanup_net
[   28.210004][    C0] Call Trace:
[   28.210121][    C0]  <IRQ>
[   28.210221][    C0]  dump_stack_lvl+0xb0/0xd0
[   28.210381][    C0]  do_raw_spin_unlock+0x1ac/0x220
[   28.210536][    C0]  _raw_spin_unlock+0x23/0x40
[   28.210692][    C0]  net_tx_action+0x424/0x680
[   28.210846][    C0]  handle_softirqs+0x1f9/0x5c0
[   28.210995][    C0]  ? dev_deactivate_many+0x1e2/0x8d0
[   28.211153][    C0]  do_softirq+0x4d/0xa0
[   28.211262][    C0]  </IRQ>
[   28.211332][    C0]  <TASK>
[   28.211410][    C0]  __local_bh_enable_ip+0xf6/0x120
[   28.211560][    C0]  dev_deactivate_many+0x1e7/0x8d0
[   28.211706][    C0]  __dev_close_many+0x12b/0x2d0
[   28.211859][    C0]  ? __pfx___dev_close_many+0x10/0x10
[   28.212005][    C0]  ? __lock_acquire+0xa70/0x1560
[   28.212157][    C0]  dev_close_many+0x202/0x650
[   28.212309][    C0]  ? lock_acquire.part.0+0xeb/0x330
[   28.212461][    C0]  ? default_device_exit_batch+0x81/0x2d0
[   28.212615][    C0]  ? __pfx_dev_close_many+0x10/0x10
[   28.212764][    C0]  ? fou_exit_net+0x2f/0xf0
[   28.212926][    C0]  ? __mutex_trylock_common+0xfa/0x260
[   28.213072][    C0]  unregister_netdevice_many_notify+0x8e5/0x1570
[   28.213258][    C0]  ? lock_acquire+0x32/0xc0
[   28.213409][    C0]  ? trace_contention_end+0xeb/0x150
[   28.213560][    C0]  ? __mutex_lock+0x170/0xac0
[   28.213718][    C0]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   28.213906][    C0]  ? __mutex_lock+0x170/0xac0
[   28.214048][    C0]  ? find_held_lock+0x2c/0x110
[   28.214204][    C0]  ? mutex_is_locked+0x17/0x50
[   28.214348][    C0]  ? rtnl_is_locked+0x15/0x20
[   28.214493][    C0]  ? unregister_netdevice_queue+0x70/0x410
[   28.214677][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   28.214866][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   28.215059][    C0]  default_device_exit_batch+0x234/0x2d0
[   28.215201][    C0]  ? __pfx_default_device_exit_batch+0x10/0x10
[   28.215386][    C0]  ? ops_exit_list+0xb4/0x170
[   28.215538][    C0]  cleanup_net+0x4ef/0xb10
[   28.215695][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   28.215846][    C0]  ? __pfx_cleanup_net+0x10/0x10
[   28.215996][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[   28.216158][    C0]  ? process_one_work+0xdf1/0x1670
[   28.216309][    C0]  ? lock_acquire+0x32/0xc0
[   28.216453][    C0]  ? process_one_work+0xdf1/0x1670
[   28.216600][    C0]  process_one_work+0xe3b/0x1670
[   28.216746][    C0]  ? __pfx___lock_release+0x10/0x10
[   28.216894][    C0]  ? __pfx_process_one_work+0x10/0x10
[   28.217047][    C0]  ? assign_work+0x16c/0x240
[   28.217208][    C0]  worker_thread+0x587/0xce0
[   28.217353][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   28.217538][    C0]  ? __pfx_worker_thread+0x10/0x10
[   28.217690][    C0]  ? __pfx_worker_thread+0x10/0x10
[   28.217835][    C0]  kthread+0x28a/0x350
[   28.217943][    C0]  ? __pfx_kthread+0x10/0x10
[   28.218087][    C0]  ret_from_fork+0x31/0x70
[   28.218235][    C0]  ? __pfx_kthread+0x10/0x10
[   28.218473][    C0]  ret_from_fork_asm+0x1a/0x30
[   28.218620][    C0]  </TASK>