[   37.410894][  T526] br0: port 1(veth1) entered blocking state
[   37.411227][  T526] br0: port 1(veth1) entered disabled state
[   37.411505][  T526] veth1: entered allmulticast mode
[   37.414098][  T526] veth1: entered promiscuous mode
[   37.495304][  T528] br0: port 2(veth3) entered blocking state
[   37.495595][  T528] br0: port 2(veth3) entered disabled state
[   37.495907][  T528] veth3: entered allmulticast mode
[   37.497887][  T528] veth3: entered promiscuous mode
[   37.756218][  T251] br0: port 1(veth1) entered blocking state
[   37.756541][  T251] br0: port 1(veth1) entered forwarding state
[   37.935961][   T68] br0: port 2(veth3) entered blocking state
[   37.936271][   T68] br0: port 2(veth3) entered forwarding state
[   43.893198][  T553] 
[   43.893498][  T553] =============================
[   43.893715][  T553] WARNING: suspicious RCU usage
[   43.893871][  T553] 6.14.0-rc6-virtme #1 Not tainted
[   43.894083][  T553] -----------------------------
[   43.894348][  T553] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   43.894681][  T553] 
[   43.894681][  T553] other info that might help us debug this:
[   43.894681][  T553] 
[   43.895061][  T553] 
[   43.895061][  T553] rcu_scheduler_active = 2, debug_locks = 1
[   43.895370][  T553] 1 lock held by mausezahn/553:
[   43.895533][  T553]  #0: ffffffffb235b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   43.895820][  T553] 
[   43.895820][  T553] stack backtrace:
[   43.896065][  T553] CPU: 3 UID: 0 PID: 553 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   43.896070][  T553] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.896072][  T553] Call Trace:
[   43.896074][  T553]  <TASK>
[   43.896077][  T553]  dump_stack_lvl+0xb0/0xd0
[   43.896088][  T553]  lockdep_rcu_suspicious+0x1ea/0x280
[   43.896105][  T553]  dev_hard_start_xmit+0x2fc/0x3f0
[   43.896124][  T553]  __dev_queue_xmit+0xfaf/0x18d0
[   43.896154][  T553]  ? __pfx___dev_queue_xmit+0x10/0x10
[   43.896161][  T553]  ? packet_parse_headers+0x231/0x9c0
[   43.896175][  T553]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   43.896185][  T553]  ? __pfx_packet_parse_headers+0x10/0x10
[   43.896194][  T553]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   43.896203][  T553]  ? dev_get_by_index+0xb2/0x190
[   43.896224][  T553]  packet_snd+0xd0c/0x19d0
[   43.896247][  T553]  ? __lock_release+0x103/0x460
[   43.896253][  T553]  ? __might_fault+0x11b/0x170
[   43.896264][  T553]  ? __pfx_packet_snd+0x10/0x10
[   43.896269][  T553]  ? trace_lock_acquire+0x14c/0x1f0
[   43.896273][  T553]  ? __might_fault+0x11b/0x170
[   43.896286][  T553]  ? lock_acquire+0x32/0xc0
[   43.896298][  T553]  ? __might_fault+0x11b/0x170
[   43.896320][  T553]  __sys_sendto+0x3c3/0x450
[   43.896330][  T553]  ? __pfx___sys_sendto+0x10/0x10
[   43.896360][  T553]  ? sock_ioctl+0x3b6/0x590
[   43.896367][  T553]  ? _copy_to_user+0x5c/0x80
[   43.896382][  T553]  ? __pfx_put_timespec64+0x10/0x10
[   43.896396][  T553]  ? posix_cpu_clock_get+0xe1/0x240
[   43.896411][  T553]  ? __x64_sys_clock_gettime+0x17a/0x200
[   43.896420][  T553]  ? __pfx___x64_sys_clock_gettime+0x10/0x10
[   43.896434][  T553]  __x64_sys_sendto+0xe0/0x1c0
[   43.896442][  T553]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   43.896452][  T553]  do_syscall_64+0xc1/0x1d0
[   43.896465][  T553]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   43.896472][  T553] RIP: 0033:0x7f4703d0ba4a
[   43.896479][  T553] 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
[   43.896484][  T553] RSP: 002b:00007fff168c6738 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.896490][  T553] RAX: ffffffffffffffda RBX: 000000000afdc9d0 RCX: 00007f4703d0ba4a
[   43.896493][  T553] RDX: 000000000000002a RSI: 000000000afdcc42 RDI: 0000000000000005
[   43.896497][  T553] RBP: 000000000afdcc42 R08: 00007fff168c6740 R09: 0000000000000014
[   43.896499][  T553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   43.896503][  T553] R13: 000000000000002a R14: 00007fff168c6740 R15: 00007fff168c681c
[   43.896524][  T553]  </TASK>
[   44.186414][  T563] br0: port 2(veth3) entered disabled state
[   44.357834][  T565] br0: port 1(veth1) entered disabled state
[   44.532074][  T567] veth3: left allmulticast mode
[   44.532383][  T567] veth3: left promiscuous mode
[   44.532732][  T567] br0: port 2(veth3) entered disabled state
[   44.534208][  T567] veth1: left allmulticast mode
[   44.534437][  T567] veth1: left promiscuous mode
[   44.534771][  T567] br0: port 1(veth1) entered disabled state