[   10.894231][  T250] ip (250) used greatest stack depth: 24264 bytes left
[   11.257634][  T259] ip (259) used greatest stack depth: 23296 bytes left
[   14.055526][  T301] br1: port 1(veth1) entered blocking state
[   14.056136][  T301] br1: port 1(veth1) entered disabled state
[   14.056632][  T301] veth1: entered allmulticast mode
[   14.059242][  T301] veth1: entered promiscuous mode
[   14.176849][   T38] br1: port 1(veth1) entered blocking state
[   14.177266][   T38] br1: port 1(veth1) entered forwarding state
[   14.256140][  T304] br1: port 2(veth2) entered blocking state
[   14.256441][  T304] br1: port 2(veth2) entered disabled state
[   14.257058][  T304] veth2: entered allmulticast mode
[   14.259096][  T304] veth2: entered promiscuous mode
[   14.347819][   T41] br1: port 2(veth2) entered blocking state
[   14.348185][   T41] br1: port 2(veth2) entered forwarding state
[   20.574597][  T326] GACT probability NOT on
[   20.844290][  T329] 
[   20.844568][  T329] =============================
[   20.844744][  T329] WARNING: suspicious RCU usage
[   20.844904][  T329] 6.14.0-rc6-virtme #1 Not tainted
[   20.845063][  T329] -----------------------------
[   20.845426][  T329] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   20.845705][  T329] 
[   20.845705][  T329] other info that might help us debug this:
[   20.845705][  T329] 
[   20.846034][  T329] 
[   20.846034][  T329] rcu_scheduler_active = 2, debug_locks = 1
[   20.846266][  T329] 1 lock held by mausezahn/329:
[   20.846423][  T329]  #0: ffffffff9115b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   20.846712][  T329] 
[   20.846712][  T329] stack backtrace:
[   20.846907][  T329] CPU: 0 UID: 0 PID: 329 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   20.846912][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.846914][  T329] Call Trace:
[   20.846917][  T329]  <TASK>
[   20.846920][  T329]  dump_stack_lvl+0xb0/0xd0
[   20.846929][  T329]  lockdep_rcu_suspicious+0x1ea/0x280
[   20.846941][  T329]  dev_hard_start_xmit+0x2fc/0x3f0
[   20.846951][  T329]  __dev_queue_xmit+0xfaf/0x18d0
[   20.846965][  T329]  ? __pfx___dev_queue_xmit+0x10/0x10
[   20.846970][  T329]  ? packet_parse_headers+0x231/0x9c0
[   20.846979][  T329]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   20.846986][  T329]  ? __pfx_packet_parse_headers+0x10/0x10
[   20.846990][  T329]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   20.846997][  T329]  ? dev_get_by_index+0xb2/0x190
[   20.847009][  T329]  packet_snd+0xd0c/0x19d0
[   20.847020][  T329]  ? __lock_release+0x103/0x460
[   20.847024][  T329]  ? __might_fault+0x11b/0x170
[   20.847033][  T329]  ? __pfx_packet_snd+0x10/0x10
[   20.847035][  T329]  ? trace_lock_acquire+0x14c/0x1f0
[   20.847038][  T329]  ? __might_fault+0x11b/0x170
[   20.847045][  T329]  ? lock_acquire+0x32/0xc0
[   20.847051][  T329]  ? __might_fault+0x11b/0x170
[   20.847062][  T329]  __sys_sendto+0x3c3/0x450
[   20.847069][  T329]  ? __pfx___sys_sendto+0x10/0x10
[   20.847083][  T329]  ? sock_ioctl+0x3b6/0x590
[   20.847094][  T329]  ? __pfx___up_read+0x10/0x10
[   20.847106][  T329]  ? do_user_addr_fault+0x374/0xe30
[   20.847117][  T329]  ? do_user_addr_fault+0x374/0xe30
[   20.847124][  T329]  __x64_sys_sendto+0xe0/0x1c0
[   20.847128][  T329]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   20.847133][  T329]  do_syscall_64+0xc1/0x1d0
[   20.847142][  T329]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   20.847148][  T329] RIP: 0033:0x7f215ea7ba4a
[   20.847154][  T329] 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
[   20.847158][  T329] RSP: 002b:00007ffddb60bea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.847162][  T329] RAX: ffffffffffffffda RBX: 000000000b38e9d0 RCX: 00007f215ea7ba4a
[   20.847164][  T329] RDX: 0000000000000086 RSI: 000000000b38ece2 RDI: 0000000000000005
[   20.847166][  T329] RBP: 000000000b38ece2 R08: 00007ffddb60beb0 R09: 0000000000000014
[   20.847168][  T329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   20.847170][  T329] R13: 0000000000000086 R14: 00007ffddb60beb0 R15: 0000000000000000
[   20.847186][  T329]  </TASK>
[   40.807979][  T521] br1: port 2(veth2) entered disabled state
[   40.885845][  T522] veth2: left allmulticast mode
[   40.886143][  T522] veth2: left promiscuous mode
[   40.886473][  T522] br1: port 2(veth2) entered disabled state
[   40.988599][  T523] br1: port 1(veth1) entered disabled state
[   41.060736][  T524] veth1: left allmulticast mode
[   41.060989][  T524] veth1: left promiscuous mode
[   41.062079][  T524] br1: port 1(veth1) entered disabled state