[   26.720507][    C3] BUG: spinlock bad magic on CPU#3, kworker/u16:0/11
[   26.720710][    C3]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:0/11, .owner_cpu: 3
[   26.721046][    C3] CPU: 3 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.10.0-virtme #1
[   26.721265][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   26.721601][    C3] Workqueue: netns cleanup_net
[   26.721761][    C3] Call Trace:
[   26.721877][    C3]  <IRQ>
[   26.721949][    C3]  dump_stack_lvl+0xb0/0xd0
[   26.722108][    C3]  do_raw_spin_unlock+0x1ac/0x220
[   26.722256][    C3]  _raw_spin_unlock+0x23/0x40
[   26.722411][    C3]  net_tx_action+0x424/0x680
[   26.722569][    C3]  handle_softirqs+0x1f9/0x5c0
[   26.722700][    C3]  ? dev_deactivate_many+0x1e2/0x8d0
[   26.722845][    C3]  do_softirq+0x4d/0xa0
[   26.722942][    C3]  </IRQ>
[   26.723028][    C3]  <TASK>
[   26.723094][    C3]  __local_bh_enable_ip+0xf6/0x120
[   26.723240][    C3]  dev_deactivate_many+0x1e7/0x8d0
[   26.723401][    C3]  __dev_close_many+0x12b/0x2d0
[   26.723557][    C3]  ? __pfx___dev_close_many+0x10/0x10
[   26.723686][    C3]  ? __lock_acquire+0xa70/0x1560
[   26.723814][    C3]  dev_close_many+0x202/0x650
[   26.723941][    C3]  ? lock_acquire.part.0+0xeb/0x330
[   26.724076][    C3]  ? default_device_exit_batch+0x81/0x2d0
[   26.724222][    C3]  ? __pfx_dev_close_many+0x10/0x10
[   26.724375][    C3]  ? fou_exit_net+0x2f/0xf0
[   26.724517][    C3]  ? __mutex_trylock_common+0xfa/0x260
[   26.724645][    C3]  unregister_netdevice_many_notify+0x8e5/0x1570
[   26.724823][    C3]  ? lock_acquire+0x32/0xc0
[   26.724965][    C3]  ? trace_contention_end+0xeb/0x150
[   26.725121][    C3]  ? __mutex_lock+0x170/0xac0
[   26.725272][    C3]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   26.725445][    C3]  ? __mutex_lock+0x170/0xac0
[   26.725616][    C3]  ? find_held_lock+0x2c/0x110
[   26.725747][    C3]  ? mutex_is_locked+0x17/0x50
[   26.725898][    C3]  ? rtnl_is_locked+0x15/0x20
[   26.726033][    C3]  ? unregister_netdevice_queue+0x70/0x410
[   26.726203][    C3]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   26.726391][    C3]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   26.726569][    C3]  default_device_exit_batch+0x234/0x2d0
[   26.726696][    C3]  ? __pfx_default_device_exit_batch+0x10/0x10
[   26.726851][    C3]  ? ops_exit_list+0xb4/0x170
[   26.726978][    C3]  cleanup_net+0x4ef/0xb10
[   26.727128][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   26.727295][    C3]  ? __pfx_cleanup_net+0x10/0x10
[   26.727436][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[   26.727589][    C3]  ? process_one_work+0xdf1/0x1670
[   26.727733][    C3]  ? lock_acquire+0x32/0xc0
[   26.727863][    C3]  ? process_one_work+0xdf1/0x1670
[   26.728023][    C3]  process_one_work+0xe3b/0x1670
[   26.728155][    C3]  ? __pfx___lock_release+0x10/0x10
[   26.728282][    C3]  ? __pfx_process_one_work+0x10/0x10
[   26.728411][    C3]  ? assign_work+0x16c/0x240
[   26.728540][    C3]  worker_thread+0x587/0xce0
[   26.728669][    C3]  ? __pfx_worker_thread+0x10/0x10
[   26.728797][    C3]  kthread+0x28a/0x350
[   26.728902][    C3]  ? __pfx_kthread+0x10/0x10
[   26.729031][    C3]  ret_from_fork+0x31/0x70
[   26.729161][    C3]  ? __pfx_kthread+0x10/0x10
[   26.729298][    C3]  ret_from_fork_asm+0x1a/0x30
[   26.729431][    C3]  </TASK>