[   11.024776][  T249] ip (249) used greatest stack depth: 23560 bytes left
[   13.968074][  T299] br1: port 1(veth1) entered blocking state
[   13.968895][  T299] br1: port 1(veth1) entered disabled state
[   13.969304][  T299] veth1: entered allmulticast mode
[   13.971259][  T299] veth1: entered promiscuous mode
[   14.169667][  T302] br1: port 2(veth2) entered blocking state
[   14.169940][  T302] br1: port 2(veth2) entered disabled state
[   14.170199][  T302] veth2: entered allmulticast mode
[   14.172155][  T302] veth2: entered promiscuous mode
[   14.354369][  T304] br1: port 2(veth2) entered blocking state
[   14.354787][  T304] br1: port 2(veth2) entered forwarding state
[   14.355450][  T304] br1: port 1(veth1) entered blocking state
[   14.355702][  T304] br1: port 1(veth1) entered forwarding state
[   20.765516][  T331] GACT probability NOT on
[   21.031500][  T334] 
[   21.031762][  T334] =============================
[   21.032113][  T334] WARNING: suspicious RCU usage
[   21.032287][  T334] 6.14.0-rc6-virtme #1 Not tainted
[   21.032441][  T334] -----------------------------
[   21.032591][  T334] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   21.032853][  T334] 
[   21.032853][  T334] other info that might help us debug this:
[   21.032853][  T334] 
[   21.033157][  T334] 
[   21.033157][  T334] rcu_scheduler_active = 2, debug_locks = 1
[   21.033416][  T334] 1 lock held by mausezahn/334:
[   21.033574][  T334]  #0: ffffffff8c15b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   21.033865][  T334] 
[   21.033865][  T334] stack backtrace:
[   21.034050][  T334] CPU: 1 UID: 0 PID: 334 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   21.034055][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.034057][  T334] Call Trace:
[   21.034059][  T334]  <TASK>
[   21.034061][  T334]  dump_stack_lvl+0xb0/0xd0
[   21.034074][  T334]  lockdep_rcu_suspicious+0x1ea/0x280
[   21.034086][  T334]  dev_hard_start_xmit+0x2fc/0x3f0
[   21.034097][  T334]  __dev_queue_xmit+0xfaf/0x18d0
[   21.034111][  T334]  ? __pfx___dev_queue_xmit+0x10/0x10
[   21.034115][  T334]  ? packet_parse_headers+0x231/0x9c0
[   21.034124][  T334]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   21.034133][  T334]  ? __pfx_packet_parse_headers+0x10/0x10
[   21.034137][  T334]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   21.034143][  T334]  ? dev_get_by_index+0xb2/0x190
[   21.034154][  T334]  packet_snd+0xd0c/0x19d0
[   21.034165][  T334]  ? __lock_release+0x103/0x460
[   21.034169][  T334]  ? __might_fault+0x11b/0x170
[   21.034179][  T334]  ? __pfx_packet_snd+0x10/0x10
[   21.034181][  T334]  ? trace_lock_acquire+0x14c/0x1f0
[   21.034184][  T334]  ? __might_fault+0x11b/0x170
[   21.034190][  T334]  ? lock_acquire+0x32/0xc0
[   21.034197][  T334]  ? __might_fault+0x11b/0x170
[   21.034211][  T334]  __sys_sendto+0x3c3/0x450
[   21.034217][  T334]  ? __pfx___sys_sendto+0x10/0x10
[   21.034232][  T334]  ? sock_ioctl+0x3b6/0x590
[   21.034241][  T334]  ? __pfx___up_read+0x10/0x10
[   21.034249][  T334]  ? do_user_addr_fault+0x374/0xe30
[   21.034259][  T334]  ? do_user_addr_fault+0x374/0xe30
[   21.034266][  T334]  __x64_sys_sendto+0xe0/0x1c0
[   21.034270][  T334]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   21.034275][  T334]  do_syscall_64+0xc1/0x1d0
[   21.034284][  T334]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   21.034289][  T334] RIP: 0033:0x7fa2f06c4a4a
[   21.034294][  T334] 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
[   21.034297][  T334] RSP: 002b:00007ffde97fe548 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.034300][  T334] RAX: ffffffffffffffda RBX: 000000001582a9d0 RCX: 00007fa2f06c4a4a
[   21.034303][  T334] RDX: 000000000000008e RSI: 000000001582acf2 RDI: 0000000000000005
[   21.034304][  T334] RBP: 000000001582acf2 R08: 00007ffde97fe550 R09: 0000000000000014
[   21.034306][  T334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   21.034308][  T334] R13: 000000000000008e R14: 00007ffde97fe550 R15: 0000000000000000
[   21.034324][  T334]  </TASK>
[   35.369348][  T621] br1: port 2(veth2) entered disabled state
[   35.370551][  T621] br1: port 1(veth1) entered disabled state
[   35.380179][  T621] ip (621) used greatest stack depth: 23256 bytes left
[   35.517106][  T623] veth2: left allmulticast mode
[   35.518811][  T623] veth2: left promiscuous mode
[   35.519232][  T623] br1: port 2(veth2) entered disabled state
[   35.691653][  T625] veth1: left allmulticast mode
[   35.691897][  T625] veth1: left promiscuous mode
[   35.692208][  T625] br1: port 1(veth1) entered disabled state