[   29.761717][  T268] ip (268) used greatest stack depth: 24096 bytes left
[   30.061660][  T271] eth0: renamed from r1h0
[   30.828609][  T276] ip (276) used greatest stack depth: 23344 bytes left
[   31.143361][  T278] eth1: renamed from r1h1
[   32.238389][  T285] eth2: renamed from r1h2
[   33.313195][  T292] eth3: renamed from r1h3
[   52.867923][    C0] BUG: spinlock bad magic on CPU#0, kworker/u16:0/11
[   52.868147][    C0]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:0/11, .owner_cpu: 0
[   52.868473][    C0] CPU: 0 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.10.0-virtme #1
[   52.868695][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   52.869081][    C0] Workqueue: netns cleanup_net
[   52.869234][    C0] Call Trace:
[   52.869369][    C0]  <IRQ>
[   52.869445][    C0]  dump_stack_lvl+0xb0/0xd0
[   52.869611][    C0]  do_raw_spin_unlock+0x1ac/0x220
[   52.869769][    C0]  _raw_spin_unlock+0x23/0x40
[   52.869947][    C0]  net_tx_action+0x424/0x680
[   52.870092][    C0]  handle_softirqs+0x1f9/0x5c0
[   52.870240][    C0]  ? dev_deactivate_many+0x1e2/0x8d0
[   52.870384][    C0]  do_softirq+0x4d/0xa0
[   52.870513][    C0]  </IRQ>
[   52.870593][    C0]  <TASK>
[   52.870665][    C0]  __local_bh_enable_ip+0xf6/0x120
[   52.870805][    C0]  dev_deactivate_many+0x1e7/0x8d0
[   52.870947][    C0]  __dev_close_many+0x12b/0x2d0
[   52.871093][    C0]  ? __pfx___dev_close_many+0x10/0x10
[   52.871269][    C0]  ? __lock_acquire+0xa70/0x1560
[   52.871424][    C0]  dev_close_many+0x202/0x650
[   52.871575][    C0]  ? lock_acquire.part.0+0xeb/0x330
[   52.871741][    C0]  ? default_device_exit_batch+0x81/0x2d0
[   52.871893][    C0]  ? __pfx_dev_close_many+0x10/0x10
[   52.872041][    C0]  ? fou_exit_net+0x2f/0xf0
[   52.872212][    C0]  ? __mutex_trylock_common+0xfa/0x260
[   52.872355][    C0]  unregister_netdevice_many_notify+0x8e5/0x1570
[   52.872557][    C0]  ? lock_acquire+0x32/0xc0
[   52.872715][    C0]  ? trace_contention_end+0xeb/0x150
[   52.872857][    C0]  ? __mutex_lock+0x170/0xac0
[   52.873030][    C0]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   52.873218][    C0]  ? __mutex_lock+0x170/0xac0
[   52.873360][    C0]  ? find_held_lock+0x2c/0x110
[   52.873523][    C0]  ? mutex_is_locked+0x17/0x50
[   52.873665][    C0]  ? rtnl_is_locked+0x15/0x20
[   52.873836][    C0]  ? unregister_netdevice_queue+0x70/0x410
[   52.874025][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   52.874210][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   52.874399][    C0]  default_device_exit_batch+0x234/0x2d0
[   52.874555][    C0]  ? __pfx_default_device_exit_batch+0x10/0x10
[   52.874742][    C0]  ? ops_exit_list+0xb4/0x170
[   52.874906][    C0]  cleanup_net+0x4ef/0xb10
[   52.875048][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   52.875222][    C0]  ? __pfx_cleanup_net+0x10/0x10
[   52.875362][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[   52.875528][    C0]  ? process_one_work+0xdf1/0x1670
[   52.875671][    C0]  ? lock_acquire+0x32/0xc0
[   52.875819][    C0]  ? process_one_work+0xdf1/0x1670
[   52.875964][    C0]  process_one_work+0xe3b/0x1670
[   52.876117][    C0]  ? __pfx___lock_release+0x10/0x10
[   52.876254][    C0]  ? __pfx_process_one_work+0x10/0x10
[   52.876423][    C0]  ? assign_work+0x16c/0x240
[   52.876579][    C0]  worker_thread+0x587/0xce0
[   52.876719][    C0]  ? __pfx_worker_thread+0x10/0x10
[   52.876967][    C0]  kthread+0x28a/0x350
[   52.877081][    C0]  ? __pfx_kthread+0x10/0x10
[   52.877319][    C0]  ret_from_fork+0x31/0x70
[   52.877488][    C0]  ? __pfx_kthread+0x10/0x10
[   52.877634][    C0]  ret_from_fork_asm+0x1a/0x30
[   52.877813][    C0]  </TASK>