[   26.919687][  T251] ip (251) used greatest stack depth: 24064 bytes left
[   33.839692][   T52] BUG: spinlock bad magic on CPU#1, kworker/1:1/52
[   33.839896][   T52]  lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/1:1/52, .owner_cpu: 1
[   33.840127][   T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/1:1 Not tainted 6.10.0-virtme #1
[   33.840320][   T52] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   33.840593][   T52] Workqueue: mld mld_ifc_work
[   33.840730][   T52] Call Trace:
[   33.840830][   T52]  <TASK>
[   33.840897][   T52]  dump_stack_lvl+0xb0/0xd0
[   33.841030][   T52]  do_raw_spin_unlock+0x1ac/0x220
[   33.841162][   T52]  _raw_spin_unlock+0x23/0x40
[   33.841291][   T52]  __dev_xmit_skb+0x4ed/0x10c0
[   33.841420][   T52]  ? __pfx___dev_xmit_skb+0x10/0x10
[   33.841550][   T52]  ? lockdep_hardirqs_on_prepare+0x12b/0x410
[   33.841707][   T52]  __dev_queue_xmit+0x784/0x1890
[   33.841834][   T52]  ? __lock_release+0x103/0x460
[   33.841962][   T52]  ? ip6_finish_output2+0x4ab/0xee0
[   33.842092][   T52]  ? __pfx___lock_release+0x10/0x10
[   33.842222][   T52]  ? __pfx___dev_queue_xmit+0x10/0x10
[   33.842357][   T52]  ? mark_held_locks+0x9e/0xe0
[   33.842479][   T52]  ? eth_header+0x158/0x1a0
[   33.842612][   T52]  ? neigh_resolve_output+0x409/0x7d0
[   33.842749][   T52]  ip6_finish_output2+0x4ab/0xee0
[   33.842873][   T52]  ip6_finish_output+0x4ef/0xd40
[   33.843001][   T52]  ip6_output+0x1fc/0x780
[   33.843099][   T52]  ? __pfx_ip6_output+0x10/0x10
[   33.843231][   T52]  ? lock_acquire.part.0+0xeb/0x330
[   33.843361][   T52]  ? find_held_lock+0x2c/0x110
[   33.843485][   T52]  ? __lock_release+0x103/0x460
[   33.843607][   T52]  ? icmp6_dst_alloc+0x2c0/0x450
[   33.843730][   T52]  NF_HOOK.constprop.0+0xe2/0x680
[   33.843880][   T52]  ? __pfx_NF_HOOK.constprop.0+0x10/0x10
[   33.844004][   T52]  ? __pfx_xfrm_lookup_with_ifid+0x10/0x10
[   33.844175][   T52]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   33.844347][   T52]  ? icmp6_dst_alloc+0x2c0/0x450
[   33.844476][   T52]  ? __local_bh_enable_ip+0xa6/0x120
[   33.844603][   T52]  mld_sendpack+0x62d/0xbc0
[   33.844731][   T52]  ? __pfx_mld_sendpack+0x10/0x10
[   33.844855][   T52]  ? mld_send_cr+0x3a1/0x780
[   33.844985][   T52]  mld_ifc_work+0x32/0x1f0
[   33.845116][   T52]  process_one_work+0xe3b/0x1670
[   33.845241][   T52]  ? __pfx___lock_release+0x10/0x10
[   33.845380][   T52]  ? __pfx_process_one_work+0x10/0x10
[   33.845503][   T52]  ? assign_work+0x16c/0x240
[   33.845628][   T52]  worker_thread+0x587/0xce0
[   33.845764][   T52]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   33.845920][   T52]  ? __pfx_worker_thread+0x10/0x10
[   33.846043][   T52]  ? __pfx_worker_thread+0x10/0x10
[   33.846170][   T52]  kthread+0x28a/0x350
[   33.846267][   T52]  ? __pfx_kthread+0x10/0x10
[   33.846399][   T52]  ret_from_fork+0x31/0x70
[   33.846534][   T52]  ? __pfx_kthread+0x10/0x10
[   33.846728][   T52]  ret_from_fork_asm+0x1a/0x30
[   33.846861][   T52]  </TASK>
[   50.260336][  T376] netem: version 1.3