[   11.388744][  T275] ip (275) used greatest stack depth: 23112 bytes left
[   14.768112][  T319] br0: port 1(veth1) entered blocking state
[   14.768634][  T319] br0: port 1(veth1) entered disabled state
[   14.769058][  T319] veth1: entered allmulticast mode
[   14.771557][  T319] veth1: entered promiscuous mode
[   14.846413][  T321] br0: port 2(veth2) entered blocking state
[   14.846749][  T321] br0: port 2(veth2) entered disabled state
[   14.847905][  T321] veth2: entered allmulticast mode
[   14.849899][  T321] veth2: entered promiscuous mode
[   14.940165][  T322] br0: port 3(veth4) entered blocking state
[   14.940470][  T322] br0: port 3(veth4) entered disabled state
[   14.941104][  T322] veth4: entered allmulticast mode
[   14.943016][  T322] veth4: entered promiscuous mode
[   15.597381][   T41] br0: port 1(veth1) entered blocking state
[   15.598056][   T41] br0: port 1(veth1) entered forwarding state
[   15.684146][   T40] br0: port 2(veth2) entered blocking state
[   15.684444][   T40] br0: port 2(veth2) entered forwarding state
[   15.768319][   T41] br0: port 3(veth4) entered blocking state
[   15.768666][   T41] br0: port 3(veth4) entered forwarding state
[   31.044596][  T389] veth3: entered promiscuous mode
[   31.550442][  T395] GACT probability NOT on
[   31.690421][  T396] 
[   31.690826][  T396] =============================
[   31.691003][  T396] WARNING: suspicious RCU usage
[   31.691211][  T396] 6.14.0-rc6-virtme #1 Not tainted
[   31.691392][  T396] -----------------------------
[   31.691634][  T396] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   31.691956][  T396] 
[   31.691956][  T396] other info that might help us debug this:
[   31.691956][  T396] 
[   31.692427][  T396] 
[   31.692427][  T396] rcu_scheduler_active = 2, debug_locks = 1
[   31.692801][  T396] 1 lock held by mausezahn/396:
[   31.693089][  T396]  #0: ffffffff9595b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   31.693609][  T396] 
[   31.693609][  T396] stack backtrace:
[   31.693933][  T396] CPU: 0 UID: 0 PID: 396 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   31.693940][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.693944][  T396] Call Trace:
[   31.693947][  T396]  <TASK>
[   31.693951][  T396]  dump_stack_lvl+0xb0/0xd0
[   31.693965][  T396]  lockdep_rcu_suspicious+0x1ea/0x280
[   31.693984][  T396]  dev_hard_start_xmit+0x2fc/0x3f0
[   31.694006][  T396]  __dev_queue_xmit+0xfaf/0x18d0
[   31.694035][  T396]  ? __pfx___dev_queue_xmit+0x10/0x10
[   31.694043][  T396]  ? packet_parse_headers+0x231/0x9c0
[   31.694062][  T396]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   31.694073][  T396]  ? __pfx_packet_parse_headers+0x10/0x10
[   31.694081][  T396]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   31.694090][  T396]  ? dev_get_by_index+0xb2/0x190
[   31.694109][  T396]  packet_snd+0xd0c/0x19d0
[   31.694129][  T396]  ? __lock_release+0x103/0x460
[   31.694135][  T396]  ? __might_fault+0x11b/0x170
[   31.694146][  T396]  ? __pfx_packet_snd+0x10/0x10
[   31.694149][  T396]  ? trace_lock_acquire+0x14c/0x1f0
[   31.694153][  T396]  ? __might_fault+0x11b/0x170
[   31.694166][  T396]  ? lock_acquire+0x32/0xc0
[   31.694177][  T396]  ? __might_fault+0x11b/0x170
[   31.694199][  T396]  __sys_sendto+0x3c3/0x450
[   31.694209][  T396]  ? __pfx___sys_sendto+0x10/0x10
[   31.694236][  T396]  ? sock_ioctl+0x3b6/0x590
[   31.694253][  T396]  ? __pfx___up_read+0x10/0x10
[   31.694267][  T396]  ? do_user_addr_fault+0x374/0xe30
[   31.694286][  T396]  ? do_user_addr_fault+0x374/0xe30
[   31.694299][  T396]  __x64_sys_sendto+0xe0/0x1c0
[   31.694305][  T396]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   31.694314][  T396]  do_syscall_64+0xc1/0x1d0
[   31.694327][  T396]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   31.694335][  T396] RIP: 0033:0x7fe2850e0a4a
[   31.694343][  T396] 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
[   31.694348][  T396] RSP: 002b:00007ffe1b543658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   31.694353][  T396] RAX: ffffffffffffffda RBX: 00000000326769d0 RCX: 00007fe2850e0a4a
[   31.694357][  T396] RDX: 0000000000000062 RSI: 00000000326765c2 RDI: 0000000000000005
[   31.694360][  T396] RBP: 00000000326765c2 R08: 00007ffe1b543660 R09: 0000000000000014
[   31.694363][  T396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   31.694366][  T396] R13: 0000000000000062 R14: 00007ffe1b543660 R15: 0000000000000000
[   31.694398][  T396]  </TASK>
[   33.284501][  T402] veth3: left promiscuous mode
[   33.353144][  T403] veth3: entered promiscuous mode
[   35.271127][  T412] veth3: left promiscuous mode
[   35.419464][  T420] br0: port 3(veth4) entered disabled state
[   35.506006][  T421] br0: port 2(veth2) entered disabled state
[   35.590320][  T422] br0: port 1(veth1) entered disabled state
[   35.667422][  T423] veth4: left allmulticast mode
[   35.667776][  T423] veth4: left promiscuous mode
[   35.668144][  T423] br0: port 3(veth4) entered disabled state
[   35.669879][  T423] veth2: left allmulticast mode
[   35.670424][  T423] veth2: left promiscuous mode
[   35.670747][  T423] br0: port 2(veth2) entered disabled state
[   35.672313][  T423] veth1: left allmulticast mode
[   35.672550][  T423] veth1: left promiscuous mode
[   35.672885][  T423] br0: port 1(veth1) entered disabled state