[   39.879591][  T305] ip (305) used greatest stack depth: 24080 bytes left
[   53.203564][  T397] ip (397) used greatest stack depth: 23888 bytes left
[  236.570270][    C0] BUG: spinlock bad magic on CPU#0, kworker/u16:1/75
[  236.570486][    C0]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:1/75, .owner_cpu: 0
[  236.570769][    C0] CPU: 0 UID: 0 PID: 75 Comm: kworker/u16:1 Not tainted 6.10.0-virtme #1
[  236.570974][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  236.571285][    C0] Workqueue: netns cleanup_net
[  236.571439][    C0] Call Trace:
[  236.571553][    C0]  <IRQ>
[  236.571639][    C0]  dump_stack_lvl+0xb0/0xd0
[  236.571784][    C0]  do_raw_spin_unlock+0x1ac/0x220
[  236.571929][    C0]  _raw_spin_unlock+0x23/0x40
[  236.572069][    C0]  net_tx_action+0x402/0x660
[  236.572215][    C0]  handle_softirqs+0x1f9/0x5c0
[  236.572354][    C0]  ? dev_deactivate_many+0x1e2/0x8d0
[  236.572491][    C0]  do_softirq+0x4d/0xa0
[  236.572597][    C0]  </IRQ>
[  236.572668][    C0]  <TASK>
[  236.572736][    C0]  __local_bh_enable_ip+0xf6/0x120
[  236.572879][    C0]  dev_deactivate_many+0x1e7/0x8d0
[  236.573018][    C0]  __dev_close_many+0x12b/0x2d0
[  236.573162][    C0]  ? __pfx___dev_close_many+0x10/0x10
[  236.573302][    C0]  dev_close_many+0x202/0x650
[  236.573443][    C0]  ? lock_acquire.part.0+0xeb/0x330
[  236.573582][    C0]  ? default_device_exit_batch+0x81/0x2d0
[  236.573730][    C0]  ? __pfx_dev_close_many+0x10/0x10
[  236.573867][    C0]  ? __mutex_trylock_common+0xfa/0x260
[  236.574027][    C0]  unregister_netdevice_many_notify+0x8e5/0x1570
[  236.574194][    C0]  ? lock_acquire+0x32/0xc0
[  236.574331][    C0]  ? trace_contention_end+0xeb/0x150
[  236.574468][    C0]  ? __mutex_lock+0x170/0xac0
[  236.574618][    C0]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[  236.574794][    C0]  ? mark_lock+0x38/0x3e0
[  236.574910][    C0]  ? mutex_is_locked+0x17/0x50
[  236.575051][    C0]  ? rtnl_is_locked+0x15/0x20
[  236.575194][    C0]  ? unregister_netdevice_queue+0x70/0x410
[  236.575371][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[  236.575547][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[  236.575723][    C0]  default_device_exit_batch+0x234/0x2d0
[  236.575859][    C0]  ? __pfx_default_device_exit_batch+0x10/0x10
[  236.576033][    C0]  ? mutex_is_locked+0x17/0x50
[  236.576173][    C0]  ? nexthop_net_exit_batch_rtnl+0x83/0x210
[  236.576354][    C0]  cleanup_net+0x4ef/0x9d0
[  236.576495][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  236.576636][    C0]  ? __pfx_cleanup_net+0x10/0x10
[  236.576779][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[  236.576925][    C0]  ? process_one_work+0xdf1/0x1670
[  236.577069][    C0]  ? lock_acquire+0x32/0xc0
[  236.577212][    C0]  ? process_one_work+0xdf1/0x1670
[  236.577353][    C0]  process_one_work+0xe3b/0x1670
[  236.577499][    C0]  ? __pfx___lock_release+0x10/0x10
[  236.577641][    C0]  ? __pfx_process_one_work+0x10/0x10
[  236.577784][    C0]  ? assign_work+0x16c/0x240
[  236.577931][    C0]  worker_thread+0x587/0xce0
[  236.578073][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  236.578246][    C0]  ? __pfx_worker_thread+0x10/0x10
[  236.578387][    C0]  ? __pfx_worker_thread+0x10/0x10
[  236.578531][    C0]  kthread+0x28a/0x350
[  236.578642][    C0]  ? __pfx_kthread+0x10/0x10
[  236.578774][    C0]  ret_from_fork+0x31/0x70
[  236.578916][    C0]  ? __pfx_kthread+0x10/0x10
[  236.579060][    C0]  ret_from_fork_asm+0x1a/0x30
[  236.579204][    C0]  </TASK>