[   14.133846][  T309] br1: port 1(veth1) entered blocking state
[   14.134397][  T309] br1: port 1(veth1) entered disabled state
[   14.134791][  T309] veth1: entered allmulticast mode
[   14.136767][  T309] veth1: entered promiscuous mode
[   14.249690][   T46] br1: port 1(veth1) entered blocking state
[   14.250108][   T46] br1: port 1(veth1) entered forwarding state
[   14.323569][  T311] br1: port 2(veth2) entered blocking state
[   14.323862][  T311] br1: port 2(veth2) entered disabled state
[   14.324932][  T311] veth2: entered allmulticast mode
[   14.326893][  T311] veth2: entered promiscuous mode
[   14.410624][   T46] br1: port 2(veth2) entered blocking state
[   14.410932][   T46] br1: port 2(veth2) entered forwarding state
[   23.573861][  T356] tc (356) used greatest stack depth: 23544 bytes left
[   23.757873][  T361] GACT probability NOT on
[   23.893898][  T362] 
[   23.894243][  T362] =============================
[   23.894428][  T362] WARNING: suspicious RCU usage
[   23.894620][  T362] 6.14.0-rc6-virtme #1 Not tainted
[   23.894816][  T362] -----------------------------
[   23.894998][  T362] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   23.895282][  T362] 
[   23.895282][  T362] other info that might help us debug this:
[   23.895282][  T362] 
[   23.895604][  T362] 
[   23.895604][  T362] rcu_scheduler_active = 2, debug_locks = 1
[   23.895851][  T362] 1 lock held by mausezahn/362:
[   23.896046][  T362]  #0: ffffffff9bd5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   23.896383][  T362] 
[   23.896383][  T362] stack backtrace:
[   23.896626][  T362] CPU: 3 UID: 0 PID: 362 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   23.896631][  T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.896633][  T362] Call Trace:
[   23.896637][  T362]  <TASK>
[   23.896643][  T362]  dump_stack_lvl+0xb0/0xd0
[   23.896659][  T362]  lockdep_rcu_suspicious+0x1ea/0x280
[   23.896682][  T362]  dev_hard_start_xmit+0x2fc/0x3f0
[   23.896692][  T362]  __dev_queue_xmit+0xfaf/0x18d0
[   23.896707][  T362]  ? __pfx___dev_queue_xmit+0x10/0x10
[   23.896711][  T362]  ? packet_parse_headers+0x231/0x9c0
[   23.896722][  T362]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   23.896735][  T362]  ? __pfx_packet_parse_headers+0x10/0x10
[   23.896739][  T362]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   23.896749][  T362]  ? dev_get_by_index+0xb2/0x190
[   23.896762][  T362]  packet_snd+0xd0c/0x19d0
[   23.896773][  T362]  ? __lock_release+0x103/0x460
[   23.896779][  T362]  ? __might_fault+0x11b/0x170
[   23.896796][  T362]  ? __pfx_packet_snd+0x10/0x10
[   23.896798][  T362]  ? trace_lock_acquire+0x14c/0x1f0
[   23.896800][  T362]  ? __might_fault+0x11b/0x170
[   23.896808][  T362]  ? lock_acquire+0x32/0xc0
[   23.896814][  T362]  ? __might_fault+0x11b/0x170
[   23.896825][  T362]  __sys_sendto+0x3c3/0x450
[   23.896833][  T362]  ? __pfx___sys_sendto+0x10/0x10
[   23.896848][  T362]  ? sock_ioctl+0x3b6/0x590
[   23.896860][  T362]  ? __pfx___up_read+0x10/0x10
[   23.896871][  T362]  ? do_user_addr_fault+0x374/0xe30
[   23.896890][  T362]  ? do_user_addr_fault+0x374/0xe30
[   23.896898][  T362]  __x64_sys_sendto+0xe0/0x1c0
[   23.896902][  T362]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   23.896911][  T362]  do_syscall_64+0xc1/0x1d0
[   23.896924][  T362]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   23.896935][  T362] RIP: 0033:0x7f4ff5a50a4a
[   23.896942][  T362] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
[   23.896946][  T362] RSP: 002b:00007ffecf5b3128 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   23.896953][  T362] RAX: ffffffffffffffda RBX: 000000003de229d0 RCX: 00007f4ff5a50a4a
[   23.896957][  T362] RDX: 000000000000009a RSI: 000000003de22d42 RDI: 0000000000000005
[   23.896959][  T362] RBP: 000000003de22d42 R08: 00007ffecf5b3130 R09: 0000000000000014
[   23.896962][  T362] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   23.896964][  T362] R13: 000000000000009a R14: 00007ffecf5b3130 R15: 0000000000000000
[   23.896989][  T362]  </TASK>
[  124.862227][ T1706] br1: port 2(veth2) entered disabled state
[  124.950482][ T1707] veth2: left allmulticast mode
[  124.950747][ T1707] veth2: left promiscuous mode
[  124.951130][ T1707] br1: port 2(veth2) entered disabled state
[  125.032731][ T1708] br1: port 1(veth1) entered disabled state
[  125.112613][ T1709] veth1: left allmulticast mode
[  125.112895][ T1709] veth1: left promiscuous mode
[  125.113237][ T1709] br1: port 1(veth1) entered disabled state