[   10.519731][  T250] ip (250) used greatest stack depth: 23952 bytes left
[   13.560737][  T300] br0: port 1(veth1) entered blocking state
[   13.561392][  T300] br0: port 1(veth1) entered disabled state
[   13.561820][  T300] veth1: entered allmulticast mode
[   13.565181][  T300] veth1: entered promiscuous mode
[   13.656450][  T301] br0: port 2(veth2) entered blocking state
[   13.656716][  T301] br0: port 2(veth2) entered disabled state
[   13.656978][  T301] veth2: entered allmulticast mode
[   13.659407][  T301] veth2: entered promiscuous mode
[   13.814710][   T38] br0: port 1(veth1) entered blocking state
[   13.815078][   T38] br0: port 1(veth1) entered forwarding state
[   13.890831][   T41] br0: port 2(veth2) entered blocking state
[   13.891096][   T41] br0: port 2(veth2) entered forwarding state
[   22.330072][  T349] veth0: entered promiscuous mode
[   22.779604][  T355] GACT probability NOT on
[   22.929342][  T356] 
[   22.929604][  T356] =============================
[   22.929777][  T356] WARNING: suspicious RCU usage
[   22.929968][  T356] 6.14.0-rc6-virtme #1 Not tainted
[   22.930143][  T356] -----------------------------
[   22.930293][  T356] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   22.930576][  T356] 
[   22.930576][  T356] other info that might help us debug this:
[   22.930576][  T356] 
[   22.930880][  T356] 
[   22.930880][  T356] rcu_scheduler_active = 2, debug_locks = 1
[   22.931116][  T356] 1 lock held by mausezahn/356:
[   22.931301][  T356]  #0: ffffffff94b5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   22.931597][  T356] 
[   22.931597][  T356] stack backtrace:
[   22.931798][  T356] CPU: 0 UID: 0 PID: 356 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   22.931802][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.931804][  T356] Call Trace:
[   22.931806][  T356]  <TASK>
[   22.931808][  T356]  dump_stack_lvl+0xb0/0xd0
[   22.931815][  T356]  lockdep_rcu_suspicious+0x1ea/0x280
[   22.931826][  T356]  dev_hard_start_xmit+0x2fc/0x3f0
[   22.931837][  T356]  __dev_queue_xmit+0xfaf/0x18d0
[   22.931851][  T356]  ? __pfx___dev_queue_xmit+0x10/0x10
[   22.931855][  T356]  ? packet_parse_headers+0x231/0x9c0
[   22.931864][  T356]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   22.931870][  T356]  ? __pfx_packet_parse_headers+0x10/0x10
[   22.931874][  T356]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   22.931880][  T356]  ? dev_get_by_index+0xb2/0x190
[   22.931891][  T356]  packet_snd+0xd0c/0x19d0
[   22.931903][  T356]  ? __lock_release+0x103/0x460
[   22.931906][  T356]  ? __might_fault+0x11b/0x170
[   22.931913][  T356]  ? __pfx_packet_snd+0x10/0x10
[   22.931915][  T356]  ? trace_lock_acquire+0x14c/0x1f0
[   22.931917][  T356]  ? __might_fault+0x11b/0x170
[   22.931924][  T356]  ? lock_acquire+0x32/0xc0
[   22.931931][  T356]  ? __might_fault+0x11b/0x170
[   22.931941][  T356]  __sys_sendto+0x3c3/0x450
[   22.931947][  T356]  ? __pfx___sys_sendto+0x10/0x10
[   22.931962][  T356]  ? sock_ioctl+0x3b6/0x590
[   22.931971][  T356]  ? __pfx___up_read+0x10/0x10
[   22.931980][  T356]  ? do_user_addr_fault+0x374/0xe30
[   22.931990][  T356]  ? do_user_addr_fault+0x374/0xe30
[   22.931997][  T356]  __x64_sys_sendto+0xe0/0x1c0
[   22.932000][  T356]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   22.932006][  T356]  do_syscall_64+0xc1/0x1d0
[   22.932013][  T356]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   22.932018][  T356] RIP: 0033:0x7f7563d9fa4a
[   22.932022][  T356] 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
[   22.932025][  T356] RSP: 002b:00007ffd8bd66278 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   22.932029][  T356] RAX: ffffffffffffffda RBX: 00000000391899d0 RCX: 00007f7563d9fa4a
[   22.932031][  T356] RDX: 0000000000000062 RSI: 00000000391895c2 RDI: 0000000000000005
[   22.932033][  T356] RBP: 00000000391895c2 R08: 00007ffd8bd66280 R09: 0000000000000014
[   22.932035][  T356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   22.932036][  T356] R13: 0000000000000062 R14: 00007ffd8bd66280 R15: 0000000000000000
[   22.932052][  T356]  </TASK>
[   48.763955][  T383] veth0: left promiscuous mode
[   49.049063][  T395] veth3: entered promiscuous mode
[   50.931671][  T404] veth3: left promiscuous mode
[   51.087467][  T406] veth3: entered promiscuous mode
[   52.893811][  T415] veth3: left promiscuous mode
[   53.062156][  T418] veth3: entered promiscuous mode
[   54.935458][  T427] veth3: left promiscuous mode
[   55.096469][  T429] veth3: entered promiscuous mode
[   56.907065][  T438] veth3: left promiscuous mode
[   62.190415][  T476] br0: port 2(veth2) entered disabled state
[   62.273819][  T477] br0: port 1(veth1) entered disabled state
[   62.368340][  T478] veth2: left allmulticast mode
[   62.368583][  T478] veth2: left promiscuous mode
[   62.369216][  T478] br0: port 2(veth2) entered disabled state
[   62.372012][  T478] veth1: left allmulticast mode
[   62.372319][  T478] veth1: left promiscuous mode
[   62.372706][  T478] br0: port 1(veth1) entered disabled state