[   10.575166][  T250] ip (250) used greatest stack depth: 24224 bytes left
[   13.457914][  T301] br0: port 1(veth1) entered blocking state
[   13.458349][  T301] br0: port 1(veth1) entered disabled state
[   13.458719][  T301] veth1: entered allmulticast mode
[   13.460687][  T301] veth1: entered promiscuous mode
[   13.476140][  T301] ip (301) used greatest stack depth: 23984 bytes left
[   13.551805][  T303] br0: port 2(veth2) entered blocking state
[   13.552750][  T303] br0: port 2(veth2) entered disabled state
[   13.553029][  T303] veth2: entered allmulticast mode
[   13.555061][  T303] veth2: entered promiscuous mode
[   13.719253][   T45] br0: port 1(veth1) entered blocking state
[   13.719621][   T45] br0: port 1(veth1) entered forwarding state
[   13.720541][    C3] 
[   13.720763][    C3] =============================
[   13.720959][    C3] WARNING: suspicious RCU usage
[   13.721191][    C3] 6.14.0-rc6-virtme #1 Not tainted
[   13.721381][    C3] -----------------------------
[   13.721644][    C3] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   13.721982][    C3] 
[   13.721982][    C3] other info that might help us debug this:
[   13.721982][    C3] 
[   13.722391][    C3] 
[   13.722391][    C3] rcu_scheduler_active = 2, debug_locks = 1
[   13.722673][    C3] 6 locks held by kworker/u17:1/45:
[   13.722883][    C3]  #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0
[   13.723310][    C3]  #1: ffffc9000031fd40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0
[   13.723702][    C3]  #2: ffffffffa23f0a08 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
[   13.724047][    C3]  #3: ffffc900002a0d78 ((&pmctx->ip4_own_query.timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[   13.724458][    C3]  #4: ffff8880059cb358 (&br->multicast_lock){+.-.}-{3:3}, at: br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[   13.724947][    C3]  #5: ffffffffa1b5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   13.725309][    C3] 
[   13.725309][    C3] stack backtrace:
[   13.725559][    C3] CPU: 3 UID: 0 PID: 45 Comm: kworker/u17:1 Not tainted 6.14.0-rc6-virtme #1
[   13.725564][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.725567][    C3] Workqueue: events_unbound linkwatch_event
[   13.725572][    C3] Call Trace:
[   13.725574][    C3]  <IRQ>
[   13.725577][    C3]  dump_stack_lvl+0xb0/0xd0
[   13.725584][    C3]  lockdep_rcu_suspicious+0x1ea/0x280
[   13.725594][    C3]  dev_hard_start_xmit+0x2fc/0x3f0
[   13.725606][    C3]  __dev_queue_xmit+0xfaf/0x18d0
[   13.725616][    C3]  ? __build_skb_around+0x23d/0x350
[   13.725627][    C3]  ? __pfx___dev_queue_xmit+0x10/0x10
[   13.725630][    C3]  ? __pfx___alloc_skb+0x10/0x10
[   13.725636][    C3]  ? stack_trace_save+0x94/0xd0
[   13.725642][    C3]  ? __pfx_stack_trace_save+0x10/0x10
[   13.725649][    C3]  ? __pfx___br_multicast_query_handle_vlan+0x10/0x10 [bridge]
[   13.725704][    C3]  br_dev_queue_push_xmit+0x115/0x250 [bridge]
[   13.725736][    C3]  ? __pfx_br_dev_queue_push_xmit+0x10/0x10 [bridge]
[   13.725769][    C3]  ? br_multicast_count+0x42/0x130 [bridge]
[   13.725808][    C3]  __br_multicast_send_query+0x3b7/0x950 [bridge]
[   13.725854][    C3]  ? __pfx___br_multicast_send_query+0x10/0x10 [bridge]
[   13.725895][    C3]  ? __lock_acquire+0xb9a/0x1680
[   13.725905][    C3]  ? br_multicast_send_query+0x228/0x440 [bridge]
[   13.725940][    C3]  br_multicast_send_query+0x228/0x440 [bridge]
[   13.725991][    C3]  ? __pfx_br_multicast_send_query+0x10/0x10 [bridge]
[   13.726025][    C3]  ? br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[   13.726063][    C3]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.726100][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   13.726107][    C3]  ? do_raw_spin_lock+0x131/0x270
[   13.726112][    C3]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   13.726115][    C3]  ? lock_acquire+0x32/0xc0
[   13.726118][    C3]  ? br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[   13.726158][    C3]  ? br_multicast_port_query_expired+0x230/0x2c0 [bridge]
[   13.726191][    C3]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.726224][    C3]  br_multicast_port_query_expired+0x230/0x2c0 [bridge]
[   13.726261][    C3]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.726295][    C3]  call_timer_fn+0x13b/0x230
[   13.726299][    C3]  ? call_timer_fn+0xe8/0x230
[   13.726301][    C3]  ? call_timer_fn+0xe8/0x230
[   13.726306][    C3]  ? __pfx_call_timer_fn+0x10/0x10
[   13.726309][    C3]  ? hlock_class+0x4e/0x130
[   13.726318][    C3]  ? mark_held_locks+0x9e/0xe0
[   13.726330][    C3]  __run_timers+0x545/0x810
[   13.726334][    C3]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.726376][    C3]  ? __pfx___run_timers+0x10/0x10
[   13.726385][    C3]  ? do_raw_spin_lock+0x131/0x270
[   13.726390][    C3]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   13.726393][    C3]  ? lock_acquire+0x32/0xc0
[   13.726396][    C3]  ? run_timer_softirq+0xe6/0x1c0
[   13.726407][    C3]  run_timer_softirq+0xee/0x1c0
[   13.726412][    C3]  handle_softirqs+0x1f6/0x5c0
[   13.726422][    C3]  ? br_device_event+0x627/0x800 [bridge]
[   13.726464][    C3]  do_softirq+0x4d/0xa0
[   13.726469][    C3]  </IRQ>
[   13.726470][    C3]  <TASK>
[   13.726471][    C3]  __local_bh_enable_ip+0xf6/0x120
[   13.726476][    C3]  br_device_event+0x627/0x800 [bridge]
[   13.726506][    C3]  ? __pfx_br_device_event+0x10/0x10 [bridge]
[   13.726538][    C3]  ? packet_notifier+0x3b0/0x810
[   13.726548][    C3]  notifier_call_chain+0xcd/0x150
[   13.726560][    C3]  netdev_state_change+0xf5/0x120
[   13.726564][    C3]  ? __pfx_netdev_state_change+0x10/0x10
[   13.726580][    C3]  linkwatch_do_dev+0xd2/0x100
[   13.726584][    C3]  __linkwatch_run_queue+0x1df/0x650
[   13.726591][    C3]  ? __pfx___linkwatch_run_queue+0x10/0x10
[   13.726598][    C3]  ? lock_acquire+0x32/0xc0
[   13.726608][    C3]  linkwatch_event+0x40/0x60
[   13.726610][    C3]  process_one_work+0xe55/0x16d0
[   13.726624][    C3]  ? __pfx___lock_release+0x10/0x10
[   13.726629][    C3]  ? __pfx_process_one_work+0x10/0x10
[   13.726642][    C3]  ? assign_work+0x16c/0x240
[   13.726652][    C3]  worker_thread+0x58c/0xce0
[   13.726666][    C3]  ? __pfx_worker_thread+0x10/0x10
[   13.726672][    C3]  kthread+0x359/0x5d0
[   13.726677][    C3]  ? __pfx_kthread+0x10/0x10
[   13.726686][    C3]  ? __pfx_kthread+0x10/0x10
[   13.726691][    C3]  ret_from_fork+0x31/0x70
[   13.726695][    C3]  ? __pfx_kthread+0x10/0x10
[   13.726698][    C3]  ret_from_fork_asm+0x1a/0x30
[   13.726719][    C3]  </TASK>
[   24.104711][  T308] br0: port 2(veth2) entered blocking state
[   24.105246][  T308] br0: port 2(veth2) entered forwarding state
[   29.717974][  T322] GACT probability NOT on
[   31.390863][  T329] br0: port 2(veth2) entered disabled state
[   31.618031][   T40] br0: port 2(veth2) entered blocking state
[   31.618388][   T40] br0: port 2(veth2) entered forwarding state
[   38.610704][  T352] br0: port 1(veth1) entered disabled state
[   38.694095][  T353] br0: port 2(veth2) entered disabled state
[   38.767122][  T354] veth2: left allmulticast mode
[   38.767435][  T354] veth2: left promiscuous mode
[   38.767773][  T354] br0: port 2(veth2) entered disabled state
[   38.769673][  T354] veth1: left allmulticast mode
[   38.769883][  T354] veth1: left promiscuous mode
[   38.771486][  T354] br0: port 1(veth1) entered disabled state