[   38.003271][    C0] BUG: spinlock bad magic on CPU#0, kworker/u16:1/73
[   38.003462][    C0]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:1/73, .owner_cpu: 0
[   38.003723][    C0] CPU: 0 UID: 0 PID: 73 Comm: kworker/u16:1 Not tainted 6.10.0-virtme #1
[   38.003918][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   38.004190][    C0] Workqueue: netns cleanup_net
[   38.004326][    C0] Call Trace:
[   38.004427][    C0]  <IRQ>
[   38.004494][    C0]  dump_stack_lvl+0xb0/0xd0
[   38.004623][    C0]  do_raw_spin_unlock+0x1ac/0x220
[   38.004761][    C0]  _raw_spin_unlock+0x23/0x40
[   38.004888][    C0]  net_tx_action+0x402/0x660
[   38.005013][    C0]  handle_softirqs+0x1f9/0x5c0
[   38.005137][    C0]  ? dev_deactivate_many+0x1e2/0x8d0
[   38.005263][    C0]  do_softirq+0x4d/0xa0
[   38.005355][    C0]  </IRQ>
[   38.005420][    C0]  <TASK>
[   38.005481][    C0]  __local_bh_enable_ip+0xf6/0x120
[   38.005605][    C0]  dev_deactivate_many+0x1e7/0x8d0
[   38.005730][    C0]  __dev_close_many+0x12b/0x2d0
[   38.005854][    C0]  ? __pfx___dev_close_many+0x10/0x10
[   38.005993][    C0]  dev_close_many+0x202/0x650
[   38.006138][    C0]  ? lock_acquire.part.0+0xeb/0x330
[   38.006261][    C0]  ? default_device_exit_batch+0x81/0x2d0
[   38.006385][    C0]  ? __pfx_dev_close_many+0x10/0x10
[   38.006509][    C0]  ? __mutex_trylock_common+0xfa/0x260
[   38.006633][    C0]  unregister_netdevice_many_notify+0x8e5/0x1570
[   38.006786][    C0]  ? lock_acquire+0x32/0xc0
[   38.006910][    C0]  ? trace_contention_end+0xeb/0x150
[   38.007037][    C0]  ? __mutex_lock+0x170/0xac0
[   38.007166][    C0]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   38.007317][    C0]  ? mark_lock+0x38/0x3e0
[   38.007410][    C0]  ? mutex_is_locked+0x17/0x50
[   38.007532][    C0]  ? rtnl_is_locked+0x15/0x20
[   38.007654][    C0]  ? unregister_netdevice_queue+0x70/0x410
[   38.007805][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   38.007957][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   38.008111][    C0]  default_device_exit_batch+0x234/0x2d0
[   38.008236][    C0]  ? __pfx_default_device_exit_batch+0x10/0x10
[   38.008394][    C0]  ? mutex_is_locked+0x17/0x50
[   38.008518][    C0]  ? nexthop_net_exit_batch_rtnl+0x83/0x210
[   38.008674][    C0]  cleanup_net+0x4ef/0x9d0
[   38.008801][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   38.008924][    C0]  ? __pfx_cleanup_net+0x10/0x10
[   38.009045][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[   38.009170][    C0]  ? process_one_work+0xdf1/0x1670
[   38.009293][    C0]  ? lock_acquire+0x32/0xc0
[   38.009415][    C0]  ? process_one_work+0xdf1/0x1670
[   38.009539][    C0]  process_one_work+0xe3b/0x1670
[   38.009669][    C0]  ? __pfx___lock_release+0x10/0x10
[   38.009799][    C0]  ? __pfx_process_one_work+0x10/0x10
[   38.009932][    C0]  ? assign_work+0x16c/0x240
[   38.010061][    C0]  worker_thread+0x587/0xce0
[   38.010186][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   38.010346][    C0]  ? __pfx_worker_thread+0x10/0x10
[   38.010469][    C0]  ? __pfx_worker_thread+0x10/0x10
[   38.010593][    C0]  kthread+0x28a/0x350
[   38.010690][    C0]  ? __pfx_kthread+0x10/0x10
[   38.010813][    C0]  ret_from_fork+0x31/0x70
[   38.010944][    C0]  ? __pfx_kthread+0x10/0x10
[   38.011069][    C0]  ret_from_fork_asm+0x1a/0x30
[   38.011198][    C0]  </TASK>