[   26.728387][    C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[   27.826913][    C0] BUG: spinlock bad magic on CPU#0, kworker/u16:1/72
[   27.827130][    C0]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:1/72, .owner_cpu: 0
[   27.827403][    C0] CPU: 0 UID: 0 PID: 72 Comm: kworker/u16:1 Not tainted 6.10.0-virtme #1
[   27.827593][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   27.827884][    C0] Workqueue: netns cleanup_net
[   27.828028][    C0] Call Trace:
[   27.828132][    C0]  <IRQ>
[   27.828200][    C0]  dump_stack_lvl+0xb0/0xd0
[   27.828339][    C0]  do_raw_spin_unlock+0x1ac/0x220
[   27.828473][    C0]  _raw_spin_unlock+0x23/0x40
[   27.828603][    C0]  net_tx_action+0x402/0x660
[   27.828732][    C0]  handle_softirqs+0x1f9/0x5c0
[   27.828860][    C0]  ? dev_deactivate_many+0x1e2/0x8d0
[   27.829015][    C0]  do_softirq+0x4d/0xa0
[   27.829116][    C0]  </IRQ>
[   27.829181][    C0]  <TASK>
[   27.829245][    C0]  __local_bh_enable_ip+0xf6/0x120
[   27.829377][    C0]  dev_deactivate_many+0x1e7/0x8d0
[   27.829505][    C0]  __dev_close_many+0x12b/0x2d0
[   27.829634][    C0]  ? __pfx___dev_close_many+0x10/0x10
[   27.829769][    C0]  dev_close_many+0x202/0x650
[   27.829894][    C0]  ? lock_acquire.part.0+0xeb/0x330
[   27.830019][    C0]  ? default_device_exit_batch+0x81/0x2d0
[   27.830159][    C0]  ? __pfx_dev_close_many+0x10/0x10
[   27.830286][    C0]  ? __mutex_trylock_common+0xfa/0x260
[   27.830431][    C0]  unregister_netdevice_many_notify+0x8e5/0x1570
[   27.830588][    C0]  ? lock_acquire+0x32/0xc0
[   27.830715][    C0]  ? trace_contention_end+0xeb/0x150
[   27.830845][    C0]  ? __mutex_lock+0x170/0xac0
[   27.830974][    C0]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[   27.831132][    C0]  ? mark_lock+0x38/0x3e0
[   27.831233][    C0]  ? mutex_is_locked+0x17/0x50
[   27.831361][    C0]  ? rtnl_is_locked+0x15/0x20
[   27.831494][    C0]  ? unregister_netdevice_queue+0x70/0x410
[   27.831659][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   27.831821][    C0]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[   27.832022][    C0]  default_device_exit_batch+0x234/0x2d0
[   27.832156][    C0]  ? __pfx_default_device_exit_batch+0x10/0x10
[   27.832339][    C0]  ? mutex_is_locked+0x17/0x50
[   27.832469][    C0]  ? nexthop_net_exit_batch_rtnl+0x83/0x210
[   27.832630][    C0]  cleanup_net+0x4ef/0x9d0
[   27.832758][    C0]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   27.832882][    C0]  ? __pfx_cleanup_net+0x10/0x10
[   27.833121][    C0]  ? trace_lock_acquire+0x14d/0x1f0
[   27.833255][    C0]  ? process_one_work+0xdf1/0x1670
[   27.833389][    C0]  ? lock_acquire+0x32/0xc0
[   27.833515][    C0]  ? process_one_work+0xdf1/0x1670
[   27.833729][    C0]  process_one_work+0xe3b/0x1670
[   27.833865][    C0]  ? __pfx___lock_release+0x10/0x10
[   27.833994][    C0]  ? __pfx_process_one_work+0x10/0x10
[   27.834122][    C0]  ? assign_work+0x16c/0x240
[   27.834267][    C0]  worker_thread+0x587/0xce0
[   27.834497][    C0]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   27.834662][    C0]  ? __pfx_worker_thread+0x10/0x10
[   27.834811][    C0]  ? __pfx_worker_thread+0x10/0x10
[   27.834958][    C0]  kthread+0x28a/0x350
[   27.835073][    C0]  ? __pfx_kthread+0x10/0x10
[   27.835204][    C0]  ret_from_fork+0x31/0x70
[   27.835369][    C0]  ? __pfx_kthread+0x10/0x10
[   27.835590][    C0]  ret_from_fork_asm+0x1a/0x30
[   27.835727][    C0]  </TASK>