[   30.918449][    T9] BUG: spinlock bad magic on CPU#0, kworker/0:1/9
[   30.918684][    T9]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/0:1/9, .owner_cpu: 0
[   30.918919][    T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.10.0-virtme #1
[   30.919143][    T9] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   30.919464][    T9] Workqueue: mld mld_ifc_work
[   30.919598][    T9] Call Trace:
[   30.919714][    T9]  <TASK>
[   30.919783][    T9]  dump_stack_lvl+0xb0/0xd0
[   30.919911][    T9]  do_raw_spin_unlock+0x1ac/0x220
[   30.920053][    T9]  _raw_spin_unlock+0x23/0x40
[   30.920176][    T9]  __dev_xmit_skb+0x4ed/0x10c0
[   30.920304][    T9]  ? __pfx___dev_xmit_skb+0x10/0x10
[   30.920446][    T9]  ? lockdep_hardirqs_on_prepare+0x12b/0x410
[   30.920603][    T9]  ? __dev_queue_xmit+0x1f6/0x17e0
[   30.920753][    T9]  __dev_queue_xmit+0x720/0x17e0
[   30.920880][    T9]  ? __lock_release+0x103/0x460
[   30.921034][    T9]  ? ip6_finish_output2+0x4ae/0xee0
[   30.921158][    T9]  ? __pfx___lock_release+0x10/0x10
[   30.921284][    T9]  ? __pfx___dev_queue_xmit+0x10/0x10
[   30.921432][    T9]  ? mark_held_locks+0x9e/0xe0
[   30.921557][    T9]  ? eth_header+0x158/0x1a0
[   30.921714][    T9]  ? neigh_resolve_output+0x409/0x7d0
[   30.921851][    T9]  ip6_finish_output2+0x4ae/0xee0
[   30.921985][    T9]  ip6_finish_output.constprop.0+0x284/0xa40
[   30.922181][    T9]  mld_sendpack+0x641/0xee0
[   30.922320][    T9]  ? __pfx_mld_sendpack+0x10/0x10
[   30.922467][    T9]  ? mld_send_cr+0x3a1/0x780
[   30.922608][    T9]  mld_ifc_work+0x32/0x1f0
[   30.922753][    T9]  process_one_work+0xe3b/0x1670
[   30.922899][    T9]  ? __pfx___lock_release+0x10/0x10
[   30.923042][    T9]  ? __pfx_process_one_work+0x10/0x10
[   30.923184][    T9]  ? assign_work+0x16c/0x240
[   30.923312][    T9]  worker_thread+0x587/0xce0
[   30.923449][    T9]  ? __pfx_worker_thread+0x10/0x10
[   30.923587][    T9]  kthread+0x28a/0x350
[   30.923690][    T9]  ? __pfx_kthread+0x10/0x10
[   30.923837][    T9]  ret_from_fork+0x31/0x70
[   30.923972][    T9]  ? __pfx_kthread+0x10/0x10
[   30.924102][    T9]  ret_from_fork_asm+0x1a/0x30
[   30.924261][    T9]  </TASK>
[   35.158120][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK