[   77.747757][    C2] BUG: spinlock bad magic on CPU#2, kworker/u16:1/73
[   77.747988][    C2]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:1/73, .owner_cpu: 2
[   77.748280][    C2] CPU: 2 UID: 0 PID: 73 Comm: kworker/u16:1 Not tainted 6.10.0-virtme #1
[   77.748488][    C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   77.748792][    C2] Workqueue: netns cleanup_net
[   77.748935][    C2] Call Trace:
[   77.749043][    C2]  <IRQ>
[   77.749119][    C2]  dump_stack_lvl+0xb0/0xd0
[   77.749260][    C2]  do_raw_spin_unlock+0x1ac/0x220
[   77.749399][    C2]  _raw_spin_unlock+0x23/0x40
[   77.749541][    C2]  net_tx_action+0x402/0x660
[   77.749679][    C2]  handle_softirqs+0x1f9/0x5c0
[   77.749816][    C2]  ? dev_deactivate_many+0x1e2/0x8d0
[   77.749957][    C2]  do_softirq+0x4d/0xa0
[   77.750056][    C2]  </IRQ>
[   77.750125][    C2]  <TASK>
[   77.750196][    C2]  __local_bh_enable_ip+0xf6/0x120
[   77.750334][    C2]  dev_deactivate_many+0x1e7/0x8d0
[   77.750467][    C2]  __dev_close_many+0x12b/0x2d0
[   77.750608][    C2]  ? __pfx___dev_close_many+0x10/0x10
[   77.750759][    C2]  dev_close_many+0x202/0x650
[   77.750895][    C2]  ? lock_acquire.part.0+0xeb/0x330
[   77.751030][    C2]  ? default_device_exit_batch+0x81/0x2d0
[   77.751166][    C2]  ? __pfx_dev_close_many+0x10/0x10
[   77.751301][    C2]  ? __mutex_trylock_common+0xfa/0x260
[   77.751443][    C2]  unregister_netdevice_many_notify+0x8e5/0x1570
[   77.751613][    C2]  ? lock_acquire+0x32/0xc0
[   77.751747][    C2]  ? trace_contention_end+0xeb/0x150
[   77.751879][    C2]  ? __mutex_lock+0x170/0xac0
[   77.752015][    C2]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   77.752181][    C2]  ? mark_lock+0x38/0x3e0
[   77.752284][    C2]  ? mutex_is_locked+0x17/0x50
[   77.752418][    C2]  ? rtnl_is_locked+0x15/0x20
[   77.752554][    C2]  ? unregister_netdevice_queue+0x70/0x410
[   77.752724][    C2]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   77.752889][    C2]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   77.753056][    C2]  default_device_exit_batch+0x234/0x2d0
[   77.753193][    C2]  ? __pfx_default_device_exit_batch+0x10/0x10
[   77.753362][    C2]  ? mutex_is_locked+0x17/0x50
[   77.753494][    C2]  ? nexthop_net_exit_batch_rtnl+0x83/0x210
[   77.753663][    C2]  cleanup_net+0x4ef/0x9d0
[   77.753801][    C2]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   77.753937][    C2]  ? __pfx_cleanup_net+0x10/0x10
[   77.754072][    C2]  ? trace_lock_acquire+0x14d/0x1f0
[   77.754207][    C2]  ? process_one_work+0xdf1/0x1670
[   77.754341][    C2]  ? lock_acquire+0x32/0xc0
[   77.754476][    C2]  ? process_one_work+0xdf1/0x1670
[   77.754611][    C2]  process_one_work+0xe3b/0x1670
[   77.754761][    C2]  ? __pfx___lock_release+0x10/0x10
[   77.754907][    C2]  ? __pfx_process_one_work+0x10/0x10
[   77.755043][    C2]  ? assign_work+0x16c/0x240
[   77.755180][    C2]  worker_thread+0x587/0xce0
[   77.755314][    C2]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   77.755482][    C2]  ? __pfx_worker_thread+0x10/0x10
[   77.755615][    C2]  ? __pfx_worker_thread+0x10/0x10
[   77.755747][    C2]  kthread+0x28a/0x350
[   77.755849][    C2]  ? __pfx_kthread+0x10/0x10
[   77.756003][    C2]  ret_from_fork+0x31/0x70
[   77.756143][    C2]  ? __pfx_kthread+0x10/0x10
[   77.756276][    C2]  ret_from_fork_asm+0x1a/0x30
[   77.756418][    C2]  </TASK>