[   40.879864][    C1] BUG: spinlock bad magic on CPU#1, kworker/u16:1/75
[   40.880076][    C1]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:1/75, .owner_cpu: 1
[   40.880372][    C1] CPU: 1 UID: 0 PID: 75 Comm: kworker/u16:1 Not tainted 6.10.0-virtme #1
[   40.880583][    C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   40.880887][    C1] Workqueue: netns cleanup_net
[   40.881039][    C1] Call Trace:
[   40.881164][    C1]  <IRQ>
[   40.881239][    C1]  dump_stack_lvl+0xb0/0xd0
[   40.881383][    C1]  do_raw_spin_unlock+0x1ac/0x220
[   40.881524][    C1]  _raw_spin_unlock+0x23/0x40
[   40.881663][    C1]  net_tx_action+0x402/0x660
[   40.881804][    C1]  handle_softirqs+0x1f9/0x5c0
[   40.881947][    C1]  ? dev_deactivate_many+0x1e2/0x8d0
[   40.882093][    C1]  do_softirq+0x4d/0xa0
[   40.882199][    C1]  </IRQ>
[   40.882270][    C1]  <TASK>
[   40.882339][    C1]  __local_bh_enable_ip+0xf6/0x120
[   40.882475][    C1]  dev_deactivate_many+0x1e7/0x8d0
[   40.882617][    C1]  __dev_close_many+0x12b/0x2d0
[   40.882755][    C1]  ? __pfx___dev_close_many+0x10/0x10
[   40.882896][    C1]  dev_close_many+0x202/0x650
[   40.883037][    C1]  ? lock_acquire.part.0+0xeb/0x330
[   40.883181][    C1]  ? default_device_exit_batch+0x81/0x2d0
[   40.883317][    C1]  ? __pfx_dev_close_many+0x10/0x10
[   40.883455][    C1]  ? __mutex_trylock_common+0xfa/0x260
[   40.883591][    C1]  unregister_netdevice_many_notify+0x8e5/0x1570
[   40.883763][    C1]  ? lock_acquire+0x32/0xc0
[   40.883906][    C1]  ? trace_contention_end+0xeb/0x150
[   40.884048][    C1]  ? __mutex_lock+0x170/0xac0
[   40.884191][    C1]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   40.884360][    C1]  ? mark_lock+0x38/0x3e0
[   40.884458][    C1]  ? mutex_is_locked+0x17/0x50
[   40.884595][    C1]  ? mutex_is_locked+0x17/0x50
[   40.884734][    C1]  ? rtnl_is_locked+0x15/0x20
[   40.884878][    C1]  ? unregister_netdevice_queue+0x70/0x410
[   40.885048][    C1]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   40.885225][    C1]  default_device_exit_batch+0x234/0x2d0
[   40.885370][    C1]  ? __pfx_default_device_exit_batch+0x10/0x10
[   40.885544][    C1]  ? mutex_is_locked+0x17/0x50
[   40.885684][    C1]  ? nexthop_net_exit_batch_rtnl+0x83/0x210
[   40.885857][    C1]  cleanup_net+0x4ef/0x9d0
[   40.885997][    C1]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   40.886135][    C1]  ? __pfx_cleanup_net+0x10/0x10
[   40.886277][    C1]  ? trace_lock_acquire+0x14d/0x1f0
[   40.886417][    C1]  ? process_one_work+0xdf1/0x1670
[   40.886559][    C1]  ? lock_acquire+0x32/0xc0
[   40.886695][    C1]  ? process_one_work+0xdf1/0x1670
[   40.886832][    C1]  process_one_work+0xe3b/0x1670
[   40.886970][    C1]  ? __pfx___lock_release+0x10/0x10
[   40.887114][    C1]  ? __pfx_process_one_work+0x10/0x10
[   40.887255][    C1]  ? assign_work+0x16c/0x240
[   40.887397][    C1]  worker_thread+0x587/0xce0
[   40.887536][    C1]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   40.887716][    C1]  ? __pfx_worker_thread+0x10/0x10
[   40.887853][    C1]  ? __pfx_worker_thread+0x10/0x10
[   40.887991][    C1]  kthread+0x28a/0x350
[   40.888098][    C1]  ? __pfx_kthread+0x10/0x10
[   40.888238][    C1]  ret_from_fork+0x31/0x70
[   40.888380][    C1]  ? __pfx_kthread+0x10/0x10
[   40.888518][    C1]  ret_from_fork_asm+0x1a/0x30
[   40.888660][    C1]  </TASK>