[   29.710392][    C0] BUG: spinlock bad magic on CPU#0, kworker/u16:0/11
[   29.710581][    C0]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:0/11, .owner_cpu: 0
[   29.710835][    C0] CPU: 0 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.10.0-virtme #1
[   29.711027][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   29.711309][    C0] Workqueue: netns cleanup_net
[   29.711441][    C0] Call Trace:
[   29.711538][    C0]  <IRQ>
[   29.711607][    C0]  dump_stack_lvl+0xb0/0xd0
[   29.711745][    C0]  do_raw_spin_unlock+0x1ac/0x220
[   29.711875][    C0]  _raw_spin_unlock+0x23/0x40
[   29.712006][    C0]  net_tx_action+0x424/0x680
[   29.712135][    C0]  handle_softirqs+0x1f9/0x5c0
[   29.712264][    C0]  ? dev_deactivate_many+0x1e2/0x8d0
[   29.712405][    C0]  do_softirq+0x4d/0xa0
[   29.712500][    C0]  </IRQ>
[   29.712565][    C0]  <TASK>
[   29.712628][    C0]  __local_bh_enable_ip+0xf6/0x120
[   29.712760][    C0]  dev_deactivate_many+0x1e7/0x8d0
[   29.712886][    C0]  __dev_close_many+0x12b/0x2d0
[   29.713012][    C0]  ? __pfx___dev_close_many+0x10/0x10
[   29.713137][    C0]  ? __lock_acquire+0xa70/0x1560
[   29.713265][    C0]  dev_close_many+0x202/0x650
[   29.713390][    C0]  ? lock_acquire.part.0+0xeb/0x330
[   29.713513][    C0]  ? default_device_exit_batch+0x81/0x2d0
[   29.713640][    C0]  ? __pfx_dev_close_many+0x10/0x10
[   29.713766][    C0]  ? fou_exit_net+0x2f/0xf0
[   29.713895][    C0]  ? __mutex_trylock_common+0xfa/0x260
[   29.714021][    C0]  unregister_netdevice_many_notify+0x8e5/0x1570
[   29.714183][    C0]  ? lock_acquire+0x32/0xc0
[   29.714305][    C0]  ? trace_contention_end+0xeb/0x150
[   29.714431][    C0]  ? __mutex_lock+0x170/0xac0
[   29.714558][    C0]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   29.714717][    C0]  ? __mutex_lock+0x170/0xac0
[   29.714843][    C0]  ? find_held_lock+0x2c/0x110
[   29.714974][    C0]  ? mutex_is_locked+0x17/0x50
[   29.715099][    C0]  ? mutex_is_locked+0x17/0x50
[   29.715224][    C0]  ? rtnl_is_locked+0x15/0x20
[   29.715352][    C0]  ? unregister_netdevice_queue+0x70/0x410
[   29.715508][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   29.715666][    C0]  default_device_exit_batch+0x234/0x2d0
[   29.715793][    C0]  ? __pfx_default_device_exit_batch+0x10/0x10
[   29.715953][    C0]  ? ops_exit_list+0xb4/0x170
[   29.716080][    C0]  cleanup_net+0x4ef/0xb10
[   29.716206][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   29.716330][    C0]  ? __pfx_cleanup_net+0x10/0x10
[   29.716455][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[   29.716589][    C0]  ? process_one_work+0xdf1/0x1670
[   29.716717][    C0]  ? lock_acquire+0x32/0xc0
[   29.716840][    C0]  ? process_one_work+0xdf1/0x1670
[   29.716970][    C0]  process_one_work+0xe3b/0x1670
[   29.717096][    C0]  ? __pfx___lock_release+0x10/0x10
[   29.717222][    C0]  ? __pfx_process_one_work+0x10/0x10
[   29.717347][    C0]  ? assign_work+0x16c/0x240
[   29.717551][    C0]  worker_thread+0x587/0xce0
[   29.717678][    C0]  ? __pfx_worker_thread+0x10/0x10
[   29.717808][    C0]  kthread+0x28a/0x350
[   29.717902][    C0]  ? __pfx_kthread+0x10/0x10
[   29.718029][    C0]  ret_from_fork+0x31/0x70
[   29.718224][    C0]  ? __pfx_kthread+0x10/0x10
[   29.718347][    C0]  ret_from_fork_asm+0x1a/0x30
[   29.718550][    C0]  </TASK>
[  116.707261][ T1251] br0: port 1(vx10) entered blocking state
[  116.707487][ T1251] br0: port 1(vx10) entered disabled state
[  116.707700][ T1251] vx10: entered allmulticast mode
[  116.708770][ T1251] vx10: entered promiscuous mode
[  118.534648][ T1278] vx10: left allmulticast mode
[  118.534819][ T1278] vx10: left promiscuous mode
[  118.535081][ T1278] br0: port 1(vx10) entered disabled state