[   10.685726][  T250] ip (250) used greatest stack depth: 23424 bytes left
[   13.671109][  T300] br0: port 1(veth1) entered blocking state
[   13.671598][  T300] br0: port 1(veth1) entered disabled state
[   13.671988][  T300] veth1: entered allmulticast mode
[   13.673975][  T300] veth1: entered promiscuous mode
[   13.768115][  T302] br0: port 2(veth2) entered blocking state
[   13.768873][  T302] br0: port 2(veth2) entered disabled state
[   13.769161][  T302] veth2: entered allmulticast mode
[   13.779577][  T302] veth2: entered promiscuous mode
[   13.940503][   T46] br0: port 1(veth1) entered blocking state
[   13.940925][   T46] br0: port 1(veth1) entered forwarding state
[   13.942498][    C2] 
[   13.942770][    C2] =============================
[   13.942993][    C2] WARNING: suspicious RCU usage
[   13.943219][    C2] 6.14.0-rc6-virtme #1 Not tainted
[   13.943430][    C2] -----------------------------
[   13.943653][    C2] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   13.944003][    C2] 
[   13.944003][    C2] other info that might help us debug this:
[   13.944003][    C2] 
[   13.944407][    C2] 
[   13.944407][    C2] rcu_scheduler_active = 2, debug_locks = 1
[   13.944715][    C2] 6 locks held by kworker/u17:1/46:
[   13.944921][    C2]  #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0
[   13.945372][    C2]  #1: ffffc9000032fd40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0
[   13.945772][    C2]  #2: ffffffff94df0a08 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
[   13.946135][    C2]  #3: ffffc90000248d78 ((&pmctx->ip4_own_query.timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[   13.946558][    C2]  #4: ffff88800590b358 (&br->multicast_lock){+.-.}-{3:3}, at: br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[   13.947062][    C2]  #5: ffffffff9455b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   13.947440][    C2] 
[   13.947440][    C2] stack backtrace:
[   13.947721][    C2] CPU: 2 UID: 0 PID: 46 Comm: kworker/u17:1 Not tainted 6.14.0-rc6-virtme #1
[   13.947726][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.947729][    C2] Workqueue: events_unbound linkwatch_event
[   13.947737][    C2] Call Trace:
[   13.947739][    C2]  <IRQ>
[   13.947743][    C2]  dump_stack_lvl+0xb0/0xd0
[   13.947752][    C2]  lockdep_rcu_suspicious+0x1ea/0x280
[   13.947764][    C2]  dev_hard_start_xmit+0x2fc/0x3f0
[   13.947776][    C2]  __dev_queue_xmit+0xfaf/0x18d0
[   13.947786][    C2]  ? __build_skb_around+0x23d/0x350
[   13.947798][    C2]  ? __pfx___dev_queue_xmit+0x10/0x10
[   13.947801][    C2]  ? __pfx___alloc_skb+0x10/0x10
[   13.947807][    C2]  ? stack_trace_save+0x94/0xd0
[   13.947814][    C2]  ? __pfx_stack_trace_save+0x10/0x10
[   13.947822][    C2]  ? __pfx___br_multicast_query_handle_vlan+0x10/0x10 [bridge]
[   13.947877][    C2]  br_dev_queue_push_xmit+0x115/0x250 [bridge]
[   13.947910][    C2]  ? __pfx_br_dev_queue_push_xmit+0x10/0x10 [bridge]
[   13.947943][    C2]  ? br_multicast_count+0x42/0x130 [bridge]
[   13.947983][    C2]  __br_multicast_send_query+0x3b7/0x950 [bridge]
[   13.948029][    C2]  ? __pfx___br_multicast_send_query+0x10/0x10 [bridge]
[   13.948070][    C2]  ? __lock_acquire+0xb9a/0x1680
[   13.948080][    C2]  ? br_multicast_send_query+0x228/0x440 [bridge]
[   13.948114][    C2]  br_multicast_send_query+0x228/0x440 [bridge]
[   13.948156][    C2]  ? __pfx_br_multicast_send_query+0x10/0x10 [bridge]
[   13.948190][    C2]  ? br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[   13.948228][    C2]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.948266][    C2]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   13.948276][    C2]  ? do_raw_spin_lock+0x131/0x270
[   13.948285][    C2]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   13.948292][    C2]  ? lock_acquire+0x32/0xc0
[   13.948295][    C2]  ? br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[   13.948336][    C2]  ? br_multicast_port_query_expired+0x230/0x2c0 [bridge]
[   13.948369][    C2]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.948402][    C2]  br_multicast_port_query_expired+0x230/0x2c0 [bridge]
[   13.948438][    C2]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.948472][    C2]  call_timer_fn+0x13b/0x230
[   13.948478][    C2]  ? call_timer_fn+0xe8/0x230
[   13.948480][    C2]  ? call_timer_fn+0xe8/0x230
[   13.948485][    C2]  ? __pfx_call_timer_fn+0x10/0x10
[   13.948488][    C2]  ? hlock_class+0x4e/0x130
[   13.948498][    C2]  ? mark_held_locks+0x9e/0xe0
[   13.948518][    C2]  __run_timers+0x545/0x810
[   13.948525][    C2]  ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[   13.948569][    C2]  ? __pfx___run_timers+0x10/0x10
[   13.948578][    C2]  ? do_raw_spin_lock+0x131/0x270
[   13.948583][    C2]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   13.948587][    C2]  ? lock_acquire+0x32/0xc0
[   13.948589][    C2]  ? run_timer_softirq+0xe6/0x1c0
[   13.948600][    C2]  run_timer_softirq+0xee/0x1c0
[   13.948606][    C2]  handle_softirqs+0x1f6/0x5c0
[   13.948617][    C2]  ? ip6_route_add+0x79/0x140
[   13.948627][    C2]  do_softirq+0x4d/0xa0
[   13.948631][    C2]  </IRQ>
[   13.948632][    C2]  <TASK>
[   13.948634][    C2]  __local_bh_enable_ip+0xf6/0x120
[   13.948638][    C2]  ip6_route_add+0x79/0x140
[   13.948645][    C2]  addrconf_prefix_route+0x2a6/0x430
[   13.948656][    C2]  ? __pfx_addrconf_prefix_route+0x10/0x10
[   13.948660][    C2]  ? atomic_notifier_call_chain+0x85/0x140
[   13.948690][    C2]  ? ip6_route_add+0xe7/0x140
[   13.948702][    C2]  addrconf_add_linklocal+0x132/0x2f0
[   13.948709][    C2]  ? __pfx_addrconf_add_linklocal+0x10/0x10
[   13.948727][    C2]  addrconf_addr_gen+0x2a4/0x2f0
[   13.948732][    C2]  ? __pfx_addrconf_addr_gen+0x10/0x10
[   13.948747][    C2]  ? addrconf_notify+0x96d/0xd50
[   13.948750][    C2]  addrconf_notify+0x96d/0xd50
[   13.948758][    C2]  notifier_call_chain+0xcd/0x150
[   13.948769][    C2]  netdev_state_change+0xf5/0x120
[   13.948774][    C2]  ? __pfx_netdev_state_change+0x10/0x10
[   13.948790][    C2]  linkwatch_do_dev+0xd2/0x100
[   13.948794][    C2]  __linkwatch_run_queue+0x1df/0x650
[   13.948801][    C2]  ? __pfx___linkwatch_run_queue+0x10/0x10
[   13.948808][    C2]  ? lock_acquire+0x32/0xc0
[   13.948818][    C2]  linkwatch_event+0x40/0x60
[   13.948821][    C2]  process_one_work+0xe55/0x16d0
[   13.948836][    C2]  ? __pfx___lock_release+0x10/0x10
[   13.948841][    C2]  ? __pfx_process_one_work+0x10/0x10
[   13.948854][    C2]  ? assign_work+0x16c/0x240
[   13.948865][    C2]  worker_thread+0x58c/0xce0
[   13.948879][    C2]  ? __pfx_worker_thread+0x10/0x10
[   13.948886][    C2]  kthread+0x359/0x5d0
[   13.948890][    C2]  ? __pfx_kthread+0x10/0x10
[   13.948899][    C2]  ? __pfx_kthread+0x10/0x10
[   13.948905][    C2]  ret_from_fork+0x31/0x70
[   13.948911][    C2]  ? __pfx_kthread+0x10/0x10
[   13.948914][    C2]  ret_from_fork_asm+0x1a/0x30
[   13.948936][    C2]  </TASK>
[   24.353103][   T46] br0: port 2(veth2) entered blocking state
[   24.353825][   T46] br0: port 2(veth2) entered forwarding state
[   29.973280][  T320] GACT probability NOT on
[   31.647772][  T327] br0: port 2(veth2) entered disabled state
[   31.895189][   T60] br0: port 2(veth2) entered blocking state
[   31.895505][   T60] br0: port 2(veth2) entered forwarding state
[   38.999561][  T350] br0: port 1(veth1) entered disabled state
[   39.113279][  T351] br0: port 2(veth2) entered disabled state
[   39.202462][  T352] veth2: left allmulticast mode
[   39.202763][  T352] veth2: left promiscuous mode
[   39.203177][  T352] br0: port 2(veth2) entered disabled state
[   39.205236][  T352] veth1: left allmulticast mode
[   39.205528][  T352] veth1: left promiscuous mode
[   39.205868][  T352] br0: port 1(veth1) entered disabled state
[   39.282845][  T352] ip (352) used greatest stack depth: 23088 bytes left