[   12.170712][  T288] ip (288) used greatest stack depth: 24128 bytes left
[   13.160270][  T299] br0: port 1(veth1) entered blocking state
[   13.160725][  T299] br0: port 1(veth1) entered disabled state
[   13.161119][  T299] veth1: entered allmulticast mode
[   13.163115][  T299] veth1: entered promiscuous mode
[   13.245024][  T301] br0: port 2(veth2) entered blocking state
[   13.245300][  T301] br0: port 2(veth2) entered disabled state
[   13.245834][  T301] veth2: entered allmulticast mode
[   13.247787][  T301] veth2: entered promiscuous mode
[   13.442292][  T152] br0: port 1(veth1) entered blocking state
[   13.442678][  T152] br0: port 1(veth1) entered forwarding state
[   13.443803][    C1] 
[   13.444018][    C1] =============================
[   13.444213][    C1] WARNING: suspicious RCU usage
[   13.444427][    C1] 6.14.0-rc6-virtme #1 Not tainted
[   13.444620][    C1] -----------------------------
[   13.444806][    C1] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   13.445145][    C1] 
[   13.445145][    C1] other info that might help us debug this:
[   13.445145][    C1] 
[   13.445516][    C1] 
[   13.445516][    C1] rcu_scheduler_active = 2, debug_locks = 1
[   13.445791][    C1] 6 locks held by kworker/u18:2/152:
[   13.445979][    C1]  #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0
[   13.446381][    C1]  #1: ffffc900006f7d40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0
[   13.446752][    C1]  #2: ffffffff863f0a08 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
[   13.447099][    C1]  #3: ffffc900001f0d78 ((&pmctx->ip4_own_query.timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[   13.447484][    C1]  #4: ffff88800b9eb358 (&br->multicast_lock){+.-.}-{3:3}, at: br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[   13.448065][    C1]  #5: ffffffff85b5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   13.448403][    C1] 
[   13.448403][    C1] stack backtrace:
[   13.448640][    C1] CPU: 1 UID: 0 PID: 152 Comm: kworker/u18:2 Not tainted 6.14.0-rc6-virtme #1
[   13.448645][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.448647][    C1] Workqueue: events_unbound linkwatch_event
[   13.448653][    C1] Call Trace:
[   13.448655][    C1]  <IRQ>
[   13.448658][    C1]  dump_stack_lvl+0xb0/0xd0
[   13.448665][    C1]  lockdep_rcu_suspicious+0x1ea/0x280
[   13.448676][    C1]  dev_hard_start_xmit+0x2fc/0x3f0
[   13.448687][    C1]  __dev_queue_xmit+0xfaf/0x18d0
[   13.448697][    C1]  ? __build_skb_around+0x23d/0x350
[   13.448708][    C1]  ? __pfx___dev_queue_xmit+0x10/0x10
[   13.448711][    C1]  ? __pfx___alloc_skb+0x10/0x10
[   13.448717][    C1]  ? stack_trace_save+0x94/0xd0
[   13.448723][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[   13.448730][    C1]  ? __pfx___br_multicast_query_handle_vlan+0x10/0x10 [bridge]
[   13.448782][    C1]  br_dev_queue_push_xmit+0x115/0x250 [bridge]
[   13.448815][    C1]  ? __pfx_br_dev_queue_push_xmit+0x10/0x10 [bridge]
[   13.448847][    C1]  ? br_multicast_count+0x42/0x130 [bridge]
[   13.448887][    C1]  __br_multicast_send_query+0x3b7/0x950 [bridge]
[   13.448932][    C1]  ? __pfx___br_multicast_send_query+0x10/0x10 [bridge]
[   13.448974][    C1]  ? __lock_acquire+0xb9a/0x1680
[   13.448985][    C1]  ? br_multicast_send_query+0x228/0x440 [bridge]
[   13.449019][    C1]  br_multicast_send_query+0x228/0x440 [bridge]
[   13.449058][    C1]  ? __pfx_br_multicast_send_query+0x10/0x10 [bridge]
[   13.449092][    C1]  ? br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[   13.449130][    C1]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.449165][    C1]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   13.449171][    C1]  ? do_raw_spin_lock+0x131/0x270
[   13.449176][    C1]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   13.449180][    C1]  ? lock_acquire+0x32/0xc0
[   13.449183][    C1]  ? br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[   13.449222][    C1]  ? br_multicast_port_query_expired+0x230/0x2c0 [bridge]
[   13.449255][    C1]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.449289][    C1]  br_multicast_port_query_expired+0x230/0x2c0 [bridge]
[   13.449326][    C1]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.449361][    C1]  call_timer_fn+0x13b/0x230
[   13.449365][    C1]  ? call_timer_fn+0xe8/0x230
[   13.449368][    C1]  ? call_timer_fn+0xe8/0x230
[   13.449372][    C1]  ? __pfx_call_timer_fn+0x10/0x10
[   13.449376][    C1]  ? hlock_class+0x4e/0x130
[   13.449385][    C1]  ? mark_held_locks+0x9e/0xe0
[   13.449397][    C1]  __run_timers+0x545/0x810
[   13.449401][    C1]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.449443][    C1]  ? __pfx___run_timers+0x10/0x10
[   13.449452][    C1]  ? do_raw_spin_lock+0x131/0x270
[   13.449456][    C1]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   13.449460][    C1]  ? lock_acquire+0x32/0xc0
[   13.449463][    C1]  ? run_timer_softirq+0xe6/0x1c0
[   13.449474][    C1]  run_timer_softirq+0xee/0x1c0
[   13.449479][    C1]  handle_softirqs+0x1f6/0x5c0
[   13.449488][    C1]  ? br_device_event+0x627/0x800 [bridge]
[   13.449519][    C1]  do_softirq+0x4d/0xa0
[   13.449523][    C1]  </IRQ>
[   13.449524][    C1]  <TASK>
[   13.449525][    C1]  __local_bh_enable_ip+0xf6/0x120
[   13.449530][    C1]  br_device_event+0x627/0x800 [bridge]
[   13.449561][    C1]  ? __pfx_br_device_event+0x10/0x10 [bridge]
[   13.449592][    C1]  ? packet_notifier+0x3b0/0x810
[   13.449602][    C1]  notifier_call_chain+0xcd/0x150
[   13.449614][    C1]  netdev_state_change+0xf5/0x120
[   13.449618][    C1]  ? __pfx_netdev_state_change+0x10/0x10
[   13.449634][    C1]  linkwatch_do_dev+0xd2/0x100
[   13.449638][    C1]  __linkwatch_run_queue+0x1df/0x650
[   13.449645][    C1]  ? __pfx___linkwatch_run_queue+0x10/0x10
[   13.449652][    C1]  ? lock_acquire+0x32/0xc0
[   13.449661][    C1]  linkwatch_event+0x40/0x60
[   13.449664][    C1]  process_one_work+0xe55/0x16d0
[   13.449677][    C1]  ? __pfx___lock_release+0x10/0x10
[   13.449683][    C1]  ? __pfx_process_one_work+0x10/0x10
[   13.449696][    C1]  ? assign_work+0x16c/0x240
[   13.449706][    C1]  worker_thread+0x58c/0xce0
[   13.449710][    C1]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   13.449722][    C1]  ? __pfx_worker_thread+0x10/0x10
[   13.449728][    C1]  kthread+0x359/0x5d0
[   13.449733][    C1]  ? __pfx_kthread+0x10/0x10
[   13.449741][    C1]  ? __pfx_kthread+0x10/0x10
[   13.449747][    C1]  ret_from_fork+0x31/0x70
[   13.449751][    C1]  ? __pfx_kthread+0x10/0x10
[   13.449755][    C1]  ret_from_fork_asm+0x1a/0x30
[   13.449775][    C1]  </TASK>
[   23.855541][   T40] br0: port 2(veth2) entered blocking state
[   23.855852][   T40] br0: port 2(veth2) entered forwarding state
[   29.495182][  T319] GACT probability NOT on
[   29.516553][  T316] tc (316) used greatest stack depth: 23640 bytes left
[   31.168218][  T326] br0: port 2(veth2) entered disabled state
[   31.421329][   T40] br0: port 2(veth2) entered blocking state
[   31.421658][   T40] br0: port 2(veth2) entered forwarding state
[   38.539975][  T349] br0: port 1(veth1) entered disabled state
[   38.626320][  T350] br0: port 2(veth2) entered disabled state
[   38.701771][  T351] veth2: left allmulticast mode
[   38.702031][  T351] veth2: left promiscuous mode
[   38.702395][  T351] br0: port 2(veth2) entered disabled state
[   38.704436][  T351] veth1: left allmulticast mode
[   38.704656][  T351] veth1: left promiscuous mode
[   38.704970][  T351] br0: port 1(veth1) entered disabled state