[   14.143582][  T305] br1: port 1(veth1) entered blocking state
[   14.144167][  T305] br1: port 1(veth1) entered disabled state
[   14.144629][  T305] veth1: entered allmulticast mode
[   14.146798][  T305] veth1: entered promiscuous mode
[   14.223067][   T41] br1: port 1(veth1) entered blocking state
[   14.223480][   T41] br1: port 1(veth1) entered forwarding state
[   14.333373][  T308] br1: port 2(veth2) entered blocking state
[   14.333658][  T308] br1: port 2(veth2) entered disabled state
[   14.334376][  T308] veth2: entered allmulticast mode
[   14.336436][  T308] veth2: entered promiscuous mode
[   14.420161][   T39] br1: port 2(veth2) entered blocking state
[   14.420482][   T39] br1: port 2(veth2) entered forwarding state
[   23.354015][  T360] GACT probability NOT on
[   23.506040][  T361] 
[   23.506347][  T361] =============================
[   23.506536][  T361] WARNING: suspicious RCU usage
[   23.506728][  T361] 6.14.0-rc6-virtme #1 Not tainted
[   23.506885][  T361] -----------------------------
[   23.507034][  T361] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   23.507367][  T361] 
[   23.507367][  T361] other info that might help us debug this:
[   23.507367][  T361] 
[   23.507692][  T361] 
[   23.507692][  T361] rcu_scheduler_active = 2, debug_locks = 1
[   23.507939][  T361] 1 lock held by mausezahn/361:
[   23.508109][  T361]  #0: ffffffff8b55b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   23.508463][  T361] 
[   23.508463][  T361] stack backtrace:
[   23.508680][  T361] CPU: 0 UID: 0 PID: 361 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   23.508685][  T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.508688][  T361] Call Trace:
[   23.508695][  T361]  <TASK>
[   23.508697][  T361]  dump_stack_lvl+0xb0/0xd0
[   23.508706][  T361]  lockdep_rcu_suspicious+0x1ea/0x280
[   23.508718][  T361]  dev_hard_start_xmit+0x2fc/0x3f0
[   23.508729][  T361]  __dev_queue_xmit+0xfaf/0x18d0
[   23.508743][  T361]  ? __pfx___dev_queue_xmit+0x10/0x10
[   23.508747][  T361]  ? packet_parse_headers+0x231/0x9c0
[   23.508756][  T361]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   23.508763][  T361]  ? __pfx_packet_parse_headers+0x10/0x10
[   23.508768][  T361]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   23.508775][  T361]  ? dev_get_by_index+0xb2/0x190
[   23.508787][  T361]  packet_snd+0xd0c/0x19d0
[   23.508799][  T361]  ? __lock_release+0x103/0x460
[   23.508803][  T361]  ? __might_fault+0x11b/0x170
[   23.508811][  T361]  ? __pfx_packet_snd+0x10/0x10
[   23.508813][  T361]  ? trace_lock_acquire+0x14c/0x1f0
[   23.508816][  T361]  ? __might_fault+0x11b/0x170
[   23.508823][  T361]  ? lock_acquire+0x32/0xc0
[   23.508829][  T361]  ? __might_fault+0x11b/0x170
[   23.508840][  T361]  __sys_sendto+0x3c3/0x450
[   23.508846][  T361]  ? __pfx___sys_sendto+0x10/0x10
[   23.508861][  T361]  ? sock_ioctl+0x3b6/0x590
[   23.508871][  T361]  ? __pfx___up_read+0x10/0x10
[   23.508881][  T361]  ? do_user_addr_fault+0x374/0xe30
[   23.508892][  T361]  ? do_user_addr_fault+0x374/0xe30
[   23.508899][  T361]  __x64_sys_sendto+0xe0/0x1c0
[   23.508903][  T361]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   23.508909][  T361]  do_syscall_64+0xc1/0x1d0
[   23.508917][  T361]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   23.508924][  T361] RIP: 0033:0x7f73660a1a4a
[   23.508929][  T361] 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
[   23.508932][  T361] RSP: 002b:00007fff1a81d3f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   23.508936][  T361] RAX: ffffffffffffffda RBX: 000000000a3a99d0 RCX: 00007f73660a1a4a
[   23.508938][  T361] RDX: 0000000000000086 RSI: 000000000a3a9ce2 RDI: 0000000000000005
[   23.508940][  T361] RBP: 000000000a3a9ce2 R08: 00007fff1a81d400 R09: 0000000000000014
[   23.508942][  T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   23.508944][  T361] R13: 0000000000000086 R14: 00007fff1a81d400 R15: 0000000000000000
[   23.508960][  T361]  </TASK>
[   33.118836][  T511] br1: port 2(veth2) entered disabled state
[   33.225212][  T512] veth2: left allmulticast mode
[   33.225476][  T512] veth2: left promiscuous mode
[   33.225838][  T512] br1: port 2(veth2) entered disabled state
[   33.313545][  T513] br1: port 1(veth1) entered disabled state
[   33.393950][  T514] veth1: left allmulticast mode
[   33.394221][  T514] veth1: left promiscuous mode
[   33.394548][  T514] br1: port 1(veth1) entered disabled state
[   33.574481][  T515] ip (515) used greatest stack depth: 23424 bytes left