[   33.433991][    T9] BUG: spinlock bad magic on CPU#0, kworker/0:1/9
[   33.434258][    T9]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/0:1/9, .owner_cpu: 0
[   33.434542][    T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.10.0-virtme #1
[   33.434751][    T9] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   33.435071][    T9] Workqueue: mld mld_ifc_work
[   33.435255][    T9] Call Trace:
[   33.435375][    T9]  <TASK>
[   33.435449][    T9]  dump_stack_lvl+0xb0/0xd0
[   33.435614][    T9]  do_raw_spin_unlock+0x1ac/0x220
[   33.435750][    T9]  _raw_spin_unlock+0x23/0x40
[   33.435880][    T9]  __dev_xmit_skb+0x4ed/0x10c0
[   33.436026][    T9]  ? __pfx___dev_xmit_skb+0x10/0x10
[   33.436168][    T9]  ? lockdep_hardirqs_on_prepare+0x12b/0x410
[   33.436355][    T9]  ? __dev_queue_xmit+0x1f6/0x17e0
[   33.436504][    T9]  __dev_queue_xmit+0x720/0x17e0
[   33.436658][    T9]  ? __lock_release+0x103/0x460
[   33.436820][    T9]  ? ip6_finish_output2+0x4ae/0xee0
[   33.436957][    T9]  ? __pfx___lock_release+0x10/0x10
[   33.437100][    T9]  ? __pfx___dev_queue_xmit+0x10/0x10
[   33.437251][    T9]  ? mark_held_locks+0x9e/0xe0
[   33.437397][    T9]  ? eth_header+0x158/0x1a0
[   33.437574][    T9]  ? neigh_resolve_output+0x409/0x7d0
[   33.437739][    T9]  ip6_finish_output2+0x4ae/0xee0
[   33.437879][    T9]  ip6_finish_output.constprop.0+0x284/0xa40
[   33.438079][    T9]  mld_sendpack+0x641/0xee0
[   33.438241][    T9]  ? __pfx_mld_sendpack+0x10/0x10
[   33.438394][    T9]  ? mld_send_cr+0x3a1/0x780
[   33.438532][    T9]  mld_ifc_work+0x32/0x1f0
[   33.438708][    T9]  process_one_work+0xe3b/0x1670
[   33.438857][    T9]  ? __pfx___lock_release+0x10/0x10
[   33.439005][    T9]  ? __pfx_process_one_work+0x10/0x10
[   33.439165][    T9]  ? assign_work+0x16c/0x240
[   33.439306][    T9]  worker_thread+0x587/0xce0
[   33.439458][    T9]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   33.439679][    T9]  ? __pfx_worker_thread+0x10/0x10
[   33.439825][    T9]  ? __pfx_worker_thread+0x10/0x10
[   33.439999][    T9]  kthread+0x28a/0x350
[   33.440107][    T9]  ? __pfx_kthread+0x10/0x10
[   33.440266][    T9]  ret_from_fork+0x31/0x70
[   33.440426][    T9]  ? __pfx_kthread+0x10/0x10
[   33.440594][    T9]  ret_from_fork_asm+0x1a/0x30
[   33.440739][    T9]  </TASK>