[   29.690760][  T253] ip (253) used greatest stack depth: 24320 bytes left
[  184.986396][    C3] BUG: spinlock bad magic on CPU#3, kworker/u16:0/11
[  184.986687][    C3]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:0/11, .owner_cpu: 3
[  184.986951][    C3] CPU: 3 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.10.0-virtme #1
[  184.987151][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  184.987446][    C3] Workqueue: netns cleanup_net
[  184.987585][    C3] Call Trace:
[  184.987686][    C3]  <IRQ>
[  184.987758][    C3]  dump_stack_lvl+0xb0/0xd0
[  184.987899][    C3]  do_raw_spin_unlock+0x1ac/0x220
[  184.988034][    C3]  _raw_spin_unlock+0x23/0x40
[  184.988169][    C3]  net_tx_action+0x402/0x660
[  184.988302][    C3]  handle_softirqs+0x1f9/0x5c0
[  184.988438][    C3]  ? dev_deactivate_many+0x1e2/0x8d0
[  184.988576][    C3]  do_softirq+0x4d/0xa0
[  184.988677][    C3]  </IRQ>
[  184.988747][    C3]  <TASK>
[  184.988813][    C3]  __local_bh_enable_ip+0xf6/0x120
[  184.988941][    C3]  dev_deactivate_many+0x1e7/0x8d0
[  184.989070][    C3]  __dev_close_many+0x12b/0x2d0
[  184.989199][    C3]  ? __pfx___dev_close_many+0x10/0x10
[  184.989334][    C3]  dev_close_many+0x202/0x650
[  184.989463][    C3]  ? lock_acquire.part.0+0xeb/0x330
[  184.989593][    C3]  ? default_device_exit_batch+0x81/0x2d0
[  184.989729][    C3]  ? __pfx_dev_close_many+0x10/0x10
[  184.989854][    C3]  ? __mutex_trylock_common+0xfa/0x260
[  184.989990][    C3]  unregister_netdevice_many_notify+0x8e5/0x1570
[  184.990147][    C3]  ? lock_acquire+0x32/0xc0
[  184.990278][    C3]  ? trace_contention_end+0xeb/0x150
[  184.990406][    C3]  ? __mutex_lock+0x170/0xac0
[  184.990536][    C3]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[  184.990696][    C3]  ? mark_lock+0x38/0x3e0
[  184.990794][    C3]  ? mutex_is_locked+0x17/0x50
[  184.990924][    C3]  ? mutex_is_locked+0x17/0x50
[  184.991050][    C3]  ? rtnl_is_locked+0x15/0x20
[  184.991204][    C3]  ? unregister_netdevice_queue+0x70/0x410
[  184.991362][    C3]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[  184.991524][    C3]  default_device_exit_batch+0x234/0x2d0
[  184.991650][    C3]  ? __pfx_default_device_exit_batch+0x10/0x10
[  184.991812][    C3]  ? mutex_is_locked+0x17/0x50
[  184.991942][    C3]  ? nexthop_net_exit_batch_rtnl+0x83/0x210
[  184.992109][    C3]  cleanup_net+0x4ef/0x9d0
[  184.992236][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  184.992365][    C3]  ? __pfx_cleanup_net+0x10/0x10
[  184.992492][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[  184.992626][    C3]  ? process_one_work+0xdf1/0x1670
[  184.992754][    C3]  ? lock_acquire+0x32/0xc0
[  184.992882][    C3]  ? process_one_work+0xdf1/0x1670
[  184.993009][    C3]  process_one_work+0xe3b/0x1670
[  184.993138][    C3]  ? __pfx___lock_release+0x10/0x10
[  184.993263][    C3]  ? __pfx_process_one_work+0x10/0x10
[  184.993388][    C3]  ? assign_work+0x16c/0x240
[  184.993519][    C3]  worker_thread+0x587/0xce0
[  184.993646][    C3]  ? __pfx_worker_thread+0x10/0x10
[  184.993772][    C3]  kthread+0x28a/0x350
[  184.993868][    C3]  ? __pfx_kthread+0x10/0x10
[  184.993993][    C3]  ret_from_fork+0x31/0x70
[  184.994120][    C3]  ? __pfx_kthread+0x10/0x10
[  184.994244][    C3]  ret_from_fork_asm+0x1a/0x30
[  184.994374][    C3]  </TASK>