[   29.932603][  T268] ip (268) used greatest stack depth: 23760 bytes left
[   30.248485][  T270] eth0: renamed from r1h0
[   31.359412][  T278] eth1: renamed from r1h1
[   32.476241][  T285] eth2: renamed from r1h2
[   33.622519][  T292] eth3: renamed from r1h3
[   53.219697][    C1] BUG: spinlock bad magic on CPU#1, kworker/u16:0/11
[   53.219897][    C1]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:0/11, .owner_cpu: 1
[   53.220168][    C1] CPU: 1 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.10.0-virtme #1
[   53.220366][    C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   53.220657][    C1] Workqueue: netns cleanup_net
[   53.220797][    C1] Call Trace:
[   53.220901][    C1]  <IRQ>
[   53.220969][    C1]  dump_stack_lvl+0xb0/0xd0
[   53.221101][    C1]  do_raw_spin_unlock+0x1ac/0x220
[   53.221235][    C1]  _raw_spin_unlock+0x23/0x40
[   53.221365][    C1]  net_tx_action+0x424/0x680
[   53.221498][    C1]  handle_softirqs+0x1f9/0x5c0
[   53.221629][    C1]  ? dev_deactivate_many+0x1e2/0x8d0
[   53.221765][    C1]  do_softirq+0x4d/0xa0
[   53.221864][    C1]  </IRQ>
[   53.221940][    C1]  <TASK>
[   53.222009][    C1]  __local_bh_enable_ip+0xf6/0x120
[   53.222137][    C1]  dev_deactivate_many+0x1e7/0x8d0
[   53.222270][    C1]  __dev_close_many+0x12b/0x2d0
[   53.222400][    C1]  ? __pfx___dev_close_many+0x10/0x10
[   53.222528][    C1]  ? __lock_acquire+0xa70/0x1560
[   53.222658][    C1]  dev_close_many+0x202/0x650
[   53.222786][    C1]  ? lock_acquire.part.0+0xeb/0x330
[   53.222923][    C1]  ? default_device_exit_batch+0x81/0x2d0
[   53.223049][    C1]  ? __pfx_dev_close_many+0x10/0x10
[   53.223180][    C1]  ? fou_exit_net+0x2f/0xf0
[   53.223316][    C1]  ? __mutex_trylock_common+0xfa/0x260
[   53.223465][    C1]  unregister_netdevice_many_notify+0x8e5/0x1570
[   53.223626][    C1]  ? lock_acquire+0x32/0xc0
[   53.223754][    C1]  ? trace_contention_end+0xeb/0x150
[   53.223881][    C1]  ? __mutex_lock+0x170/0xac0
[   53.224010][    C1]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   53.224170][    C1]  ? __mutex_lock+0x170/0xac0
[   53.224296][    C1]  ? find_held_lock+0x2c/0x110
[   53.224423][    C1]  ? mutex_is_locked+0x17/0x50
[   53.224636][    C1]  ? rtnl_is_locked+0x15/0x20
[   53.224769][    C1]  ? unregister_netdevice_queue+0x70/0x410
[   53.224928][    C1]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   53.225097][    C1]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   53.225259][    C1]  default_device_exit_batch+0x234/0x2d0
[   53.225383][    C1]  ? __pfx_default_device_exit_batch+0x10/0x10
[   53.225541][    C1]  ? ops_exit_list+0xb4/0x170
[   53.225669][    C1]  cleanup_net+0x4ef/0xb10
[   53.225798][    C1]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   53.225923][    C1]  ? __pfx_cleanup_net+0x10/0x10
[   53.226049][    C1]  ? trace_lock_acquire+0x14d/0x1f0
[   53.226182][    C1]  ? process_one_work+0xdf1/0x1670
[   53.226308][    C1]  ? lock_acquire+0x32/0xc0
[   53.226437][    C1]  ? process_one_work+0xdf1/0x1670
[   53.226564][    C1]  process_one_work+0xe3b/0x1670
[   53.226700][    C1]  ? __pfx___lock_release+0x10/0x10
[   53.226827][    C1]  ? __pfx_process_one_work+0x10/0x10
[   53.226958][    C1]  ? assign_work+0x16c/0x240
[   53.227085][    C1]  worker_thread+0x587/0xce0
[   53.227217][    C1]  ? __pfx_worker_thread+0x10/0x10
[   53.227341][    C1]  kthread+0x28a/0x350
[   53.227438][    C1]  ? __pfx_kthread+0x10/0x10
[   53.227565][    C1]  ret_from_fork+0x31/0x70
[   53.227692][    C1]  ? __pfx_kthread+0x10/0x10
[   53.227818][    C1]  ret_from_fork_asm+0x1a/0x30
[   53.227950][    C1]  </TASK>