[   14.076590][  T296] ip (296) used greatest stack depth: 24136 bytes left
[   14.187860][  T299] br1: port 1(veth1) entered blocking state
[   14.188494][  T299] br1: port 1(veth1) entered disabled state
[   14.188851][  T299] veth1: entered allmulticast mode
[   14.190774][  T299] veth1: entered promiscuous mode
[   14.281650][   T38] br1: port 1(veth1) entered blocking state
[   14.282248][   T38] br1: port 1(veth1) entered forwarding state
[   14.369373][  T303] br1: port 2(veth2) entered blocking state
[   14.369685][  T303] br1: port 2(veth2) entered disabled state
[   14.370205][  T303] veth2: entered allmulticast mode
[   14.372388][  T303] veth2: entered promiscuous mode
[   14.450200][   T41] br1: port 2(veth2) entered blocking state
[   14.450544][   T41] br1: port 2(veth2) entered forwarding state
[   20.591694][  T324] GACT probability NOT on
[   20.901728][  T327] 
[   20.902058][  T327] =============================
[   20.902301][  T327] WARNING: suspicious RCU usage
[   20.902528][  T327] 6.14.0-rc6-virtme #1 Not tainted
[   20.903050][  T327] -----------------------------
[   20.903246][  T327] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   20.903553][  T327] 
[   20.903553][  T327] other info that might help us debug this:
[   20.903553][  T327] 
[   20.903884][  T327] 
[   20.903884][  T327] rcu_scheduler_active = 2, debug_locks = 1
[   20.904184][  T327] 1 lock held by mausezahn/327:
[   20.904499][  T327]  #0: ffffffffa055b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   20.904824][  T327] 
[   20.904824][  T327] stack backtrace:
[   20.905032][  T327] CPU: 1 UID: 0 PID: 327 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   20.905037][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.905040][  T327] Call Trace:
[   20.905042][  T327]  <TASK>
[   20.905045][  T327]  dump_stack_lvl+0xb0/0xd0
[   20.905054][  T327]  lockdep_rcu_suspicious+0x1ea/0x280
[   20.905066][  T327]  dev_hard_start_xmit+0x2fc/0x3f0
[   20.905076][  T327]  __dev_queue_xmit+0xfaf/0x18d0
[   20.905090][  T327]  ? __pfx___dev_queue_xmit+0x10/0x10
[   20.905099][  T327]  ? packet_parse_headers+0x231/0x9c0
[   20.905108][  T327]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   20.905114][  T327]  ? __pfx_packet_parse_headers+0x10/0x10
[   20.905119][  T327]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   20.905125][  T327]  ? dev_get_by_index+0xb2/0x190
[   20.905137][  T327]  packet_snd+0xd0c/0x19d0
[   20.905149][  T327]  ? __lock_release+0x103/0x460
[   20.905153][  T327]  ? __might_fault+0x11b/0x170
[   20.905161][  T327]  ? __pfx_packet_snd+0x10/0x10
[   20.905163][  T327]  ? trace_lock_acquire+0x14c/0x1f0
[   20.905166][  T327]  ? __might_fault+0x11b/0x170
[   20.905173][  T327]  ? lock_acquire+0x32/0xc0
[   20.905180][  T327]  ? __might_fault+0x11b/0x170
[   20.905191][  T327]  __sys_sendto+0x3c3/0x450
[   20.905198][  T327]  ? __pfx___sys_sendto+0x10/0x10
[   20.905212][  T327]  ? sock_ioctl+0x3b6/0x590
[   20.905223][  T327]  ? __pfx___up_read+0x10/0x10
[   20.905232][  T327]  ? do_user_addr_fault+0x374/0xe30
[   20.905243][  T327]  ? do_user_addr_fault+0x374/0xe30
[   20.905249][  T327]  __x64_sys_sendto+0xe0/0x1c0
[   20.905253][  T327]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   20.905259][  T327]  do_syscall_64+0xc1/0x1d0
[   20.905267][  T327]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   20.905273][  T327] RIP: 0033:0x7f8c675d7a4a
[   20.905279][  T327] 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
[   20.905283][  T327] RSP: 002b:00007ffc6c092928 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.905286][  T327] RAX: ffffffffffffffda RBX: 00000000031b29d0 RCX: 00007f8c675d7a4a
[   20.905289][  T327] RDX: 0000000000000086 RSI: 00000000031b2ce2 RDI: 0000000000000005
[   20.905291][  T327] RBP: 00000000031b2ce2 R08: 00007ffc6c092930 R09: 0000000000000014
[   20.905293][  T327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   20.905295][  T327] R13: 0000000000000086 R14: 00007ffc6c092930 R15: 0000000000000000
[   20.905311][  T327]  </TASK>
[   40.783054][  T519] br1: port 2(veth2) entered disabled state
[   40.849730][  T520] veth2: left allmulticast mode
[   40.850010][  T520] veth2: left promiscuous mode
[   40.850376][  T520] br1: port 2(veth2) entered disabled state
[   40.932531][  T521] br1: port 1(veth1) entered disabled state
[   41.013355][  T522] veth1: left allmulticast mode
[   41.013624][  T522] veth1: left promiscuous mode
[   41.013946][  T522] br1: port 1(veth1) entered disabled state
[   41.177791][  T523] ip (523) used greatest stack depth: 23696 bytes left