[   27.136099][  T234] self-connect_ip (234) used greatest stack depth: 23776 bytes left
[   27.149359][    C2] BUG: spinlock bad magic on CPU#2, kworker/u16:0/11
[   27.149597][    C2]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:0/11, .owner_cpu: 2
[   27.149854][    C2] CPU: 2 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.10.0-virtme #1
[   27.150053][    C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   27.150354][    C2] Workqueue: netns cleanup_net
[   27.150492][    C2] Call Trace:
[   27.150598][    C2]  <IRQ>
[   27.150665][    C2]  dump_stack_lvl+0xb0/0xd0
[   27.150806][    C2]  do_raw_spin_unlock+0x1ac/0x220
[   27.150943][    C2]  _raw_spin_unlock+0x23/0x40
[   27.151080][    C2]  net_tx_action+0x402/0x660
[   27.151212][    C2]  handle_softirqs+0x1f9/0x5c0
[   27.151339][    C2]  ? dev_deactivate_many+0x1e2/0x8d0
[   27.151467][    C2]  do_softirq+0x4d/0xa0
[   27.151560][    C2]  </IRQ>
[   27.151625][    C2]  <TASK>
[   27.151690][    C2]  __local_bh_enable_ip+0xf6/0x120
[   27.151821][    C2]  dev_deactivate_many+0x1e7/0x8d0
[   27.151952][    C2]  __dev_close_many+0x12b/0x2d0
[   27.152082][    C2]  ? __pfx___dev_close_many+0x10/0x10
[   27.152208][    C2]  dev_close_many+0x202/0x650
[   27.152334][    C2]  ? lock_acquire.part.0+0xeb/0x330
[   27.152460][    C2]  ? default_device_exit_batch+0x81/0x2d0
[   27.152588][    C2]  ? __pfx_dev_close_many+0x10/0x10
[   27.152712][    C2]  ? __mutex_trylock_common+0xfa/0x260
[   27.152842][    C2]  unregister_netdevice_many_notify+0x8e5/0x1570
[   27.153006][    C2]  ? lock_acquire+0x32/0xc0
[   27.153132][    C2]  ? trace_contention_end+0xeb/0x150
[   27.153257][    C2]  ? __mutex_lock+0x170/0xac0
[   27.153388][    C2]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   27.153545][    C2]  ? mark_lock+0x38/0x3e0
[   27.153640][    C2]  ? mutex_is_locked+0x17/0x50
[   27.153765][    C2]  ? rtnl_is_locked+0x15/0x20
[   27.153893][    C2]  ? unregister_netdevice_queue+0x70/0x410
[   27.154057][    C2]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   27.154212][    C2]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   27.154370][    C2]  default_device_exit_batch+0x234/0x2d0
[   27.154495][    C2]  ? __pfx_default_device_exit_batch+0x10/0x10
[   27.154650][    C2]  ? mutex_is_locked+0x17/0x50
[   27.154776][    C2]  ? nexthop_net_exit_batch_rtnl+0x83/0x210
[   27.154946][    C2]  cleanup_net+0x4ef/0x9d0
[   27.155083][    C2]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   27.155209][    C2]  ? __pfx_cleanup_net+0x10/0x10
[   27.155334][    C2]  ? trace_lock_acquire+0x14d/0x1f0
[   27.155461][    C2]  ? process_one_work+0xdf1/0x1670
[   27.155588][    C2]  ? lock_acquire+0x32/0xc0
[   27.155711][    C2]  ? process_one_work+0xdf1/0x1670
[   27.155835][    C2]  process_one_work+0xe3b/0x1670
[   27.155974][    C2]  ? __pfx___lock_release+0x10/0x10
[   27.156100][    C2]  ? __pfx_process_one_work+0x10/0x10
[   27.156227][    C2]  ? assign_work+0x16c/0x240
[   27.156355][    C2]  worker_thread+0x587/0xce0
[   27.156483][    C2]  ? __pfx_worker_thread+0x10/0x10
[   27.156608][    C2]  kthread+0x28a/0x350
[   27.156703][    C2]  ? __pfx_kthread+0x10/0x10
[   27.156830][    C2]  ret_from_fork+0x31/0x70
[   27.156969][    C2]  ? __pfx_kthread+0x10/0x10
[   27.157096][    C2]  ret_from_fork_asm+0x1a/0x30
[   27.157231][    C2]  </TASK>