[ 11.172283][ T252] ip (252) used greatest stack depth: 23624 bytes left
[ 13.177395][ T290] 8021q: 802.1Q VLAN Support v1.8
[ 14.486850][ T306] br0: port 1(veth1) entered blocking state
[ 14.487289][ T306] br0: port 1(veth1) entered disabled state
[ 14.487656][ T306] veth1: entered allmulticast mode
[ 14.489742][ T306] veth1: entered promiscuous mode
[ 14.594143][ T308] br0: port 2(veth2) entered blocking state
[ 14.594416][ T308] br0: port 2(veth2) entered disabled state
[ 14.594678][ T308] veth2: entered allmulticast mode
[ 14.597354][ T308] veth2: entered promiscuous mode
[ 14.775191][ T41] br0: port 1(veth1) entered blocking state
[ 14.775648][ T41] br0: port 1(veth1) entered forwarding state
[ 14.777498][ C2]
[ 14.777762][ C2] =============================
[ 14.778033][ C2] WARNING: suspicious RCU usage
[ 14.778302][ C2] 6.14.0-rc6-virtme #1 Not tainted
[ 14.778552][ C2] -----------------------------
[ 14.778829][ C2] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[ 14.779253][ C2]
[ 14.779253][ C2] other info that might help us debug this:
[ 14.779253][ C2]
[ 14.779750][ C2]
[ 14.779750][ C2] rcu_scheduler_active = 2, debug_locks = 1
[ 14.780122][ C2] 6 locks held by kworker/u20:0/41:
[ 14.780380][ C2] #0: ffff8880010a9d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0
[ 14.780899][ C2] #1: ffffc900002dfd40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0
[ 14.781392][ C2] #2: ffffffff8eff0a08 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
[ 14.781793][ C2] #3: ffffc90000248d78 ((&pmctx->ip4_own_query.timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 14.782250][ C2] #4: ffff8880089a3358 (&br->multicast_lock){+.-.}-{3:3}, at: br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[ 14.782811][ C2] #5: ffffffff8e75b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[ 14.783229][ C2]
[ 14.783229][ C2] stack backtrace:
[ 14.783520][ C2] CPU: 2 UID: 0 PID: 41 Comm: kworker/u20:0 Not tainted 6.14.0-rc6-virtme #1
[ 14.783525][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.783527][ C2] Workqueue: events_unbound linkwatch_event
[ 14.783533][ C2] Call Trace:
[ 14.783535][ C2]
[ 14.783538][ C2] dump_stack_lvl+0xb0/0xd0
[ 14.783546][ C2] lockdep_rcu_suspicious+0x1ea/0x280
[ 14.783556][ C2] dev_hard_start_xmit+0x2fc/0x3f0
[ 14.783568][ C2] __dev_queue_xmit+0xfaf/0x18d0
[ 14.783578][ C2] ? __build_skb_around+0x23d/0x350
[ 14.783588][ C2] ? __pfx___dev_queue_xmit+0x10/0x10
[ 14.783591][ C2] ? __pfx___alloc_skb+0x10/0x10
[ 14.783601][ C2] ? stack_trace_save+0x94/0xd0
[ 14.783607][ C2] ? __pfx_stack_trace_save+0x10/0x10
[ 14.783614][ C2] ? __pfx___br_multicast_query_handle_vlan+0x10/0x10 [bridge]
[ 14.783669][ C2] br_dev_queue_push_xmit+0x115/0x250 [bridge]
[ 14.783701][ C2] ? __pfx_br_dev_queue_push_xmit+0x10/0x10 [bridge]
[ 14.783734][ C2] ? br_multicast_count+0x42/0x130 [bridge]
[ 14.783774][ C2] __br_multicast_send_query+0x3b7/0x950 [bridge]
[ 14.783824][ C2] ? __pfx___br_multicast_send_query+0x10/0x10 [bridge]
[ 14.783865][ C2] ? __lock_acquire+0xb9a/0x1680
[ 14.783875][ C2] ? br_multicast_send_query+0x228/0x440 [bridge]
[ 14.783910][ C2] br_multicast_send_query+0x228/0x440 [bridge]
[ 14.783949][ C2] ? __pfx_br_multicast_send_query+0x10/0x10 [bridge]
[ 14.783983][ C2] ? br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[ 14.784025][ C2] ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[ 14.784065][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 14.784072][ C2] ? do_raw_spin_lock+0x131/0x270
[ 14.784077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 14.784080][ C2] ? lock_acquire+0x32/0xc0
[ 14.784083][ C2] ? br_multicast_port_query_expired+0x62/0x2c0 [bridge]
[ 14.784122][ C2] ? br_multicast_port_query_expired+0x230/0x2c0 [bridge]
[ 14.784155][ C2] ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[ 14.784188][ C2] br_multicast_port_query_expired+0x230/0x2c0 [bridge]
[ 14.784229][ C2] ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[ 14.784263][ C2] call_timer_fn+0x13b/0x230
[ 14.784267][ C2] ? call_timer_fn+0xe8/0x230
[ 14.784270][ C2] ? call_timer_fn+0xe8/0x230
[ 14.784275][ C2] ? __pfx_call_timer_fn+0x10/0x10
[ 14.784278][ C2] ? hlock_class+0x4e/0x130
[ 14.784288][ C2] ? mark_held_locks+0x9e/0xe0
[ 14.784300][ C2] __run_timers+0x545/0x810
[ 14.784304][ C2] ? __pfx_br_ip4_multicast_port_query_expired+0x10/0x10 [bridge]
[ 14.784346][ C2] ? __pfx___run_timers+0x10/0x10
[ 14.784355][ C2] ? do_raw_spin_lock+0x131/0x270
[ 14.784359][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 14.784363][ C2] ? lock_acquire+0x32/0xc0
[ 14.784366][ C2] ? run_timer_softirq+0xe6/0x1c0
[ 14.784377][ C2] run_timer_softirq+0xee/0x1c0
[ 14.784382][ C2] handle_softirqs+0x1f6/0x5c0
[ 14.784392][ C2] ? ip6_route_add+0x79/0x140
[ 14.784400][ C2] do_softirq+0x4d/0xa0
[ 14.784404][ C2]
[ 14.784405][ C2]
[ 14.784407][ C2] __local_bh_enable_ip+0xf6/0x120
[ 14.784411][ C2] ip6_route_add+0x79/0x140
[ 14.784418][ C2] addrconf_prefix_route+0x2a6/0x430
[ 14.784428][ C2] ? __pfx_addrconf_prefix_route+0x10/0x10
[ 14.784431][ C2] ? atomic_notifier_call_chain+0x85/0x140
[ 14.784464][ C2] ? ip6_route_add+0xe7/0x140
[ 14.784476][ C2] addrconf_add_linklocal+0x132/0x2f0
[ 14.784482][ C2] ? __pfx_addrconf_add_linklocal+0x10/0x10
[ 14.784501][ C2] addrconf_addr_gen+0x2a4/0x2f0
[ 14.784505][ C2] ? __pfx_addrconf_addr_gen+0x10/0x10
[ 14.784520][ C2] ? addrconf_notify+0x96d/0xd50
[ 14.784523][ C2] addrconf_notify+0x96d/0xd50
[ 14.784531][ C2] notifier_call_chain+0xcd/0x150
[ 14.784542][ C2] netdev_state_change+0xf5/0x120
[ 14.784546][ C2] ? __pfx_netdev_state_change+0x10/0x10
[ 14.784562][ C2] linkwatch_do_dev+0xd2/0x100
[ 14.784566][ C2] __linkwatch_run_queue+0x1df/0x650
[ 14.784573][ C2] ? __pfx___linkwatch_run_queue+0x10/0x10
[ 14.784580][ C2] ? lock_acquire+0x32/0xc0
[ 14.784590][ C2] linkwatch_event+0x40/0x60
[ 14.784593][ C2] process_one_work+0xe55/0x16d0
[ 14.784607][ C2] ? __pfx___lock_release+0x10/0x10
[ 14.784612][ C2] ? __pfx_process_one_work+0x10/0x10
[ 14.784625][ C2] ? assign_work+0x16c/0x240
[ 14.784635][ C2] worker_thread+0x58c/0xce0
[ 14.784649][ C2] ? __pfx_worker_thread+0x10/0x10
[ 14.784655][ C2] kthread+0x359/0x5d0
[ 14.784660][ C2] ? __pfx_kthread+0x10/0x10
[ 14.784669][ C2] ? __pfx_kthread+0x10/0x10
[ 14.784675][ C2] ret_from_fork+0x31/0x70
[ 14.784679][ C2] ? __pfx_kthread+0x10/0x10
[ 14.784683][ C2] ret_from_fork_asm+0x1a/0x30
[ 14.784703][ C2]
[ 14.891094][ T41] br0: port 2(veth2) entered blocking state
[ 14.891405][ T41] br0: port 2(veth2) entered forwarding state
[ 43.104761][ T379] GACT probability NOT on
[ 73.102959][ T595] br1: port 1(veth0) entered blocking state
[ 73.103316][ T595] br1: port 1(veth0) entered disabled state
[ 73.103669][ T595] veth0: entered allmulticast mode
[ 73.105562][ T595] veth0: entered promiscuous mode
[ 73.115667][ T595] ip (595) used greatest stack depth: 23128 bytes left
[ 73.184849][ T596] br1: port 1(veth0) entered blocking state
[ 73.185311][ T596] br1: port 1(veth0) entered forwarding state
[ 75.452009][ T601] veth0: left allmulticast mode
[ 75.452317][ T601] veth0: left promiscuous mode
[ 75.452658][ T601] br1: port 1(veth0) entered disabled state
[ 87.746339][ T717] br0: vlan filtering disabled, automatically disabling multicast vlan snooping
[ 87.758726][ T717] ip (717) used greatest stack depth: 23112 bytes left
[ 88.236822][ T729] br0: port 2(veth2) entered disabled state
[ 88.308683][ T730] br0: port 1(veth1) entered disabled state
[ 88.421160][ T731] veth2: left allmulticast mode
[ 88.421552][ T731] veth2: left promiscuous mode
[ 88.422009][ T731] br0: port 2(veth2) entered disabled state
[ 88.424737][ T731] veth1: left allmulticast mode
[ 88.425033][ T731] veth1: left promiscuous mode
[ 88.425933][ T731] br0: port 1(veth1) entered disabled state