[   13.670572][  T304] br1: port 1(veth1) entered blocking state
[   13.671041][  T304] br1: port 1(veth1) entered disabled state
[   13.671449][  T304] veth1: entered allmulticast mode
[   13.673375][  T304] veth1: entered promiscuous mode
[   13.746376][   T67] br1: port 1(veth1) entered blocking state
[   13.746834][   T67] br1: port 1(veth1) entered forwarding state
[   13.816678][  T306] br1: port 2(veth2) entered blocking state
[   13.816960][  T306] br1: port 2(veth2) entered disabled state
[   13.817239][  T306] veth2: entered allmulticast mode
[   13.819162][  T306] veth2: entered promiscuous mode
[   13.893352][   T38] br1: port 2(veth2) entered blocking state
[   13.893655][   T38] br1: port 2(veth2) entered forwarding state
[   21.944522][  T351] 
[   21.944796][  T351] =============================
[   21.944959][  T351] WARNING: suspicious RCU usage
[   21.945347][  T351] 6.14.0-rc6-virtme #1 Not tainted
[   21.945519][  T351] -----------------------------
[   21.945681][  T351] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   21.945956][  T351] 
[   21.945956][  T351] other info that might help us debug this:
[   21.945956][  T351] 
[   21.946322][  T351] 
[   21.946322][  T351] rcu_scheduler_active = 2, debug_locks = 1
[   21.946543][  T351] 1 lock held by mausezahn/351:
[   21.946695][  T351]  #0: ffffffffb1b5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   21.946982][  T351] 
[   21.946982][  T351] stack backtrace:
[   21.947185][  T351] CPU: 0 UID: 0 PID: 351 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   21.947189][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.947191][  T351] Call Trace:
[   21.947194][  T351]  <TASK>
[   21.947196][  T351]  dump_stack_lvl+0xb0/0xd0
[   21.947208][  T351]  lockdep_rcu_suspicious+0x1ea/0x280
[   21.947220][  T351]  dev_hard_start_xmit+0x2fc/0x3f0
[   21.947230][  T351]  __dev_queue_xmit+0xfaf/0x18d0
[   21.947244][  T351]  ? __pfx___dev_queue_xmit+0x10/0x10
[   21.947248][  T351]  ? packet_parse_headers+0x231/0x9c0
[   21.947258][  T351]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   21.947267][  T351]  ? __pfx_packet_parse_headers+0x10/0x10
[   21.947274][  T351]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   21.947284][  T351]  ? dev_get_by_index+0xb2/0x190
[   21.947298][  T351]  packet_snd+0xd0c/0x19d0
[   21.947309][  T351]  ? __lock_release+0x103/0x460
[   21.947314][  T351]  ? __might_fault+0x11b/0x170
[   21.947322][  T351]  ? __pfx_packet_snd+0x10/0x10
[   21.947324][  T351]  ? trace_lock_acquire+0x14c/0x1f0
[   21.947327][  T351]  ? __might_fault+0x11b/0x170
[   21.947334][  T351]  ? lock_acquire+0x32/0xc0
[   21.947340][  T351]  ? __might_fault+0x11b/0x170
[   21.947351][  T351]  __sys_sendto+0x3c3/0x450
[   21.947358][  T351]  ? __pfx___sys_sendto+0x10/0x10
[   21.947372][  T351]  ? sock_ioctl+0x3b6/0x590
[   21.947383][  T351]  ? __pfx___up_read+0x10/0x10
[   21.947391][  T351]  ? do_user_addr_fault+0x374/0xe30
[   21.947402][  T351]  ? do_user_addr_fault+0x374/0xe30
[   21.947408][  T351]  __x64_sys_sendto+0xe0/0x1c0
[   21.947412][  T351]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   21.947417][  T351]  do_syscall_64+0xc1/0x1d0
[   21.947424][  T351]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   21.947430][  T351] RIP: 0033:0x7f6172367a4a
[   21.947434][  T351] 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
[   21.947437][  T351] RSP: 002b:00007ffe5e23b0a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.947441][  T351] RAX: ffffffffffffffda RBX: 0000000024c779d0 RCX: 00007f6172367a4a
[   21.947443][  T351] RDX: 000000000000008e RSI: 0000000024c77cf2 RDI: 0000000000000005
[   21.947445][  T351] RBP: 0000000024c77cf2 R08: 00007ffe5e23b0b0 R09: 0000000000000014
[   21.947447][  T351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   21.947449][  T351] R13: 000000000000008e R14: 00007ffe5e23b0b0 R15: 0000000000000000
[   21.947465][  T351]  </TASK>
[   40.267743][  T666] br1: port 2(veth2) entered disabled state
[   40.349335][  T667] veth2: left allmulticast mode
[   40.349670][  T667] veth2: left promiscuous mode
[   40.350016][  T667] br1: port 2(veth2) entered disabled state
[   40.436578][  T668] br1: port 1(veth1) entered disabled state
[   40.502906][  T669] veth1: left allmulticast mode
[   40.503223][  T669] veth1: left promiscuous mode
[   40.503590][  T669] br1: port 1(veth1) entered disabled state