[   87.008463][    C2] BUG: spinlock bad magic on CPU#2, kworker/u16:1/73
[   87.008660][    C2]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:1/73, .owner_cpu: 2
[   87.008932][    C2] CPU: 2 UID: 0 PID: 73 Comm: kworker/u16:1 Not tainted 6.10.0-virtme #1
[   87.009134][    C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   87.009412][    C2] Workqueue: netns cleanup_net
[   87.009550][    C2] Call Trace:
[   87.009650][    C2]  <IRQ>
[   87.009716][    C2]  dump_stack_lvl+0xb0/0xd0
[   87.009845][    C2]  do_raw_spin_unlock+0x1ac/0x220
[   87.009972][    C2]  _raw_spin_unlock+0x23/0x40
[   87.010100][    C2]  net_tx_action+0x424/0x680
[   87.010228][    C2]  handle_softirqs+0x1f9/0x5c0
[   87.010354][    C2]  ? dev_deactivate_many+0x1e2/0x8d0
[   87.010486][    C2]  do_softirq+0x4d/0xa0
[   87.010582][    C2]  </IRQ>
[   87.010647][    C2]  <TASK>
[   87.010712][    C2]  __local_bh_enable_ip+0xf6/0x120
[   87.010836][    C2]  dev_deactivate_many+0x1e7/0x8d0
[   87.010961][    C2]  __dev_close_many+0x12b/0x2d0
[   87.011087][    C2]  ? __pfx___dev_close_many+0x10/0x10
[   87.011212][    C2]  ? __lock_acquire+0xa70/0x1560
[   87.011338][    C2]  dev_close_many+0x202/0x650
[   87.011462][    C2]  ? lock_acquire.part.0+0xeb/0x330
[   87.011586][    C2]  ? default_device_exit_batch+0x81/0x2d0
[   87.011712][    C2]  ? __pfx_dev_close_many+0x10/0x10
[   87.011836][    C2]  ? fou_exit_net+0x2f/0xf0
[   87.011964][    C2]  ? __mutex_trylock_common+0xfa/0x260
[   87.012090][    C2]  unregister_netdevice_many_notify+0x8e5/0x1570
[   87.012244][    C2]  ? lock_acquire+0x32/0xc0
[   87.012369][    C2]  ? trace_contention_end+0xeb/0x150
[   87.012492][    C2]  ? __mutex_lock+0x170/0xac0
[   87.012617][    C2]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   87.012772][    C2]  ? __mutex_lock+0x170/0xac0
[   87.012897][    C2]  ? find_held_lock+0x2c/0x110
[   87.013023][    C2]  ? mutex_is_locked+0x17/0x50
[   87.013148][    C2]  ? mutex_is_locked+0x17/0x50
[   87.013272][    C2]  ? rtnl_is_locked+0x15/0x20
[   87.013407][    C2]  ? unregister_netdevice_queue+0x70/0x410
[   87.013562][    C2]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   87.013718][    C2]  default_device_exit_batch+0x234/0x2d0
[   87.013843][    C2]  ? __pfx_default_device_exit_batch+0x10/0x10
[   87.013996][    C2]  ? ops_exit_list+0xb4/0x170
[   87.014125][    C2]  cleanup_net+0x4ef/0xb10
[   87.014249][    C2]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   87.014374][    C2]  ? __pfx_cleanup_net+0x10/0x10
[   87.014499][    C2]  ? trace_lock_acquire+0x14d/0x1f0
[   87.014624][    C2]  ? process_one_work+0xdf1/0x1670
[   87.014747][    C2]  ? lock_acquire+0x32/0xc0
[   87.014869][    C2]  ? process_one_work+0xdf1/0x1670
[   87.014993][    C2]  process_one_work+0xe3b/0x1670
[   87.015118][    C2]  ? __pfx___lock_release+0x10/0x10
[   87.015241][    C2]  ? __pfx_process_one_work+0x10/0x10
[   87.015367][    C2]  ? assign_work+0x16c/0x240
[   87.015494][    C2]  worker_thread+0x587/0xce0
[   87.015617][    C2]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   87.015772][    C2]  ? __pfx_worker_thread+0x10/0x10
[   87.015900][    C2]  ? __pfx_worker_thread+0x10/0x10
[   87.016023][    C2]  kthread+0x28a/0x350
[   87.016117][    C2]  ? __pfx_kthread+0x10/0x10
[   87.016241][    C2]  ret_from_fork+0x31/0x70
[   87.016365][    C2]  ? __pfx_kthread+0x10/0x10
[   87.016490][    C2]  ret_from_fork_asm+0x1a/0x30
[   87.016620][    C2]  </TASK>