[  187.758616][  T746] br1: port 1(veth1) entered blocking state
[  187.759054][  T746] br1: port 1(veth1) entered disabled state
[  187.760153][  T746] veth1: entered allmulticast mode
[  187.762065][  T746] veth1: entered promiscuous mode
[  187.846954][   T40] br1: port 1(veth1) entered blocking state
[  187.847421][   T40] br1: port 1(veth1) entered forwarding state
[  187.928966][  T748] br1: port 2(veth2) entered blocking state
[  187.929275][  T748] br1: port 2(veth2) entered disabled state
[  187.929551][  T748] veth2: entered allmulticast mode
[  187.931411][  T748] veth2: entered promiscuous mode
[  188.029541][   T40] br1: port 2(veth2) entered blocking state
[  188.029836][   T40] br1: port 2(veth2) entered forwarding state
[  196.890150][  T797] 
[  196.890401][  T797] =============================
[  196.890570][  T797] WARNING: suspicious RCU usage
[  196.890751][  T797] 6.14.0-rc6-virtme #1 Not tainted
[  196.890921][  T797] -----------------------------
[  196.891084][  T797] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[  196.891371][  T797] 
[  196.891371][  T797] other info that might help us debug this:
[  196.891371][  T797] 
[  196.891683][  T797] 
[  196.891683][  T797] rcu_scheduler_active = 2, debug_locks = 1
[  196.891918][  T797] 1 lock held by mausezahn/797:
[  196.892088][  T797]  #0: ffffffffa795b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[  196.892411][  T797] 
[  196.892411][  T797] stack backtrace:
[  196.892608][  T797] CPU: 0 UID: 0 PID: 797 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[  196.892612][  T797] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  196.892614][  T797] Call Trace:
[  196.892616][  T797]  <TASK>
[  196.892618][  T797]  dump_stack_lvl+0xb0/0xd0
[  196.892626][  T797]  lockdep_rcu_suspicious+0x1ea/0x280
[  196.892637][  T797]  dev_hard_start_xmit+0x2fc/0x3f0
[  196.892647][  T797]  __dev_queue_xmit+0xfaf/0x18d0
[  196.892662][  T797]  ? __pfx___dev_queue_xmit+0x10/0x10
[  196.892666][  T797]  ? packet_parse_headers+0x231/0x9c0
[  196.892675][  T797]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[  196.892684][  T797]  ? __pfx_packet_parse_headers+0x10/0x10
[  196.892692][  T797]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[  196.892701][  T797]  ? dev_get_by_index+0xb2/0x190
[  196.892712][  T797]  packet_snd+0xd0c/0x19d0
[  196.892723][  T797]  ? __lock_release+0x103/0x460
[  196.892728][  T797]  ? __might_fault+0x11b/0x170
[  196.892735][  T797]  ? __pfx_packet_snd+0x10/0x10
[  196.892737][  T797]  ? trace_lock_acquire+0x14c/0x1f0
[  196.892740][  T797]  ? __might_fault+0x11b/0x170
[  196.892747][  T797]  ? lock_acquire+0x32/0xc0
[  196.892753][  T797]  ? __might_fault+0x11b/0x170
[  196.892764][  T797]  __sys_sendto+0x3c3/0x450
[  196.892770][  T797]  ? __pfx___sys_sendto+0x10/0x10
[  196.892785][  T797]  ? sock_ioctl+0x3b6/0x590
[  196.892795][  T797]  ? __pfx___up_read+0x10/0x10
[  196.892803][  T797]  ? do_user_addr_fault+0x374/0xe30
[  196.892813][  T797]  ? do_user_addr_fault+0x374/0xe30
[  196.892820][  T797]  __x64_sys_sendto+0xe0/0x1c0
[  196.892824][  T797]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  196.892830][  T797]  do_syscall_64+0xc1/0x1d0
[  196.892837][  T797]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  196.892842][  T797] RIP: 0033:0x7fc6bf2b5a4a
[  196.892847][  T797] 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
[  196.892851][  T797] RSP: 002b:00007ffdcc5eea08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  196.892857][  T797] RAX: ffffffffffffffda RBX: 000000000e2659d0 RCX: 00007fc6bf2b5a4a
[  196.892861][  T797] RDX: 000000000000009a RSI: 000000000e265d42 RDI: 0000000000000005
[  196.892864][  T797] RBP: 000000000e265d42 R08: 00007ffdcc5eea10 R09: 0000000000000014
[  196.892867][  T797] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  196.892869][  T797] R13: 000000000000009a R14: 00007ffdcc5eea10 R15: 0000000000000000
[  196.892886][  T797]  </TASK>
[  299.458761][ T2142] br1: port 2(veth2) entered disabled state
[  299.546221][ T2143] veth2: left allmulticast mode
[  299.546479][ T2143] veth2: left promiscuous mode
[  299.546808][ T2143] br1: port 2(veth2) entered disabled state
[  299.638433][ T2144] br1: port 1(veth1) entered disabled state
[  299.728594][ T2145] veth1: left allmulticast mode
[  299.728879][ T2145] veth1: left promiscuous mode
[  299.729238][ T2145] br1: port 1(veth1) entered disabled state