[   13.676786][  T301] br1: port 1(veth1) entered blocking state
[   13.677267][  T301] br1: port 1(veth1) entered disabled state
[   13.677711][  T301] veth1: entered allmulticast mode
[   13.680172][  T301] veth1: entered promiscuous mode
[   13.784840][   T40] br1: port 1(veth1) entered blocking state
[   13.785261][   T40] br1: port 1(veth1) entered forwarding state
[   13.877770][  T304] br1: port 2(veth2) entered blocking state
[   13.878397][  T304] br1: port 2(veth2) entered disabled state
[   13.878818][  T304] veth2: entered allmulticast mode
[   13.881735][  T304] veth2: entered promiscuous mode
[   13.977656][   T40] br1: port 2(veth2) entered blocking state
[   13.977941][   T40] br1: port 2(veth2) entered forwarding state
[   20.090947][  T325] GACT probability NOT on
[   20.331805][  T328] 
[   20.332147][  T328] =============================
[   20.332331][  T328] WARNING: suspicious RCU usage
[   20.332509][  T328] 6.14.0-rc6-virtme #1 Not tainted
[   20.332677][  T328] -----------------------------
[   20.332894][  T328] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   20.333213][  T328] 
[   20.333213][  T328] other info that might help us debug this:
[   20.333213][  T328] 
[   20.333587][  T328] 
[   20.333587][  T328] rcu_scheduler_active = 2, debug_locks = 1
[   20.333839][  T328] 1 lock held by mausezahn/328:
[   20.334035][  T328]  #0: ffffffffa5d5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   20.334335][  T328] 
[   20.334335][  T328] stack backtrace:
[   20.334543][  T328] CPU: 2 UID: 0 PID: 328 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   20.334547][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.334550][  T328] Call Trace:
[   20.334552][  T328]  <TASK>
[   20.334555][  T328]  dump_stack_lvl+0xb0/0xd0
[   20.334563][  T328]  lockdep_rcu_suspicious+0x1ea/0x280
[   20.334575][  T328]  dev_hard_start_xmit+0x2fc/0x3f0
[   20.334586][  T328]  __dev_queue_xmit+0xfaf/0x18d0
[   20.334600][  T328]  ? __pfx___dev_queue_xmit+0x10/0x10
[   20.334605][  T328]  ? packet_parse_headers+0x231/0x9c0
[   20.334613][  T328]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   20.334621][  T328]  ? __pfx_packet_parse_headers+0x10/0x10
[   20.334625][  T328]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   20.334631][  T328]  ? dev_get_by_index+0xb2/0x190
[   20.334643][  T328]  packet_snd+0xd0c/0x19d0
[   20.334655][  T328]  ? __lock_release+0x103/0x460
[   20.334659][  T328]  ? __might_fault+0x11b/0x170
[   20.334667][  T328]  ? __pfx_packet_snd+0x10/0x10
[   20.334669][  T328]  ? trace_lock_acquire+0x14c/0x1f0
[   20.334672][  T328]  ? __might_fault+0x11b/0x170
[   20.334679][  T328]  ? lock_acquire+0x32/0xc0
[   20.334685][  T328]  ? __might_fault+0x11b/0x170
[   20.334696][  T328]  __sys_sendto+0x3c3/0x450
[   20.334702][  T328]  ? __pfx___sys_sendto+0x10/0x10
[   20.334717][  T328]  ? sock_ioctl+0x3b6/0x590
[   20.334727][  T328]  ? __pfx___up_read+0x10/0x10
[   20.334737][  T328]  ? do_user_addr_fault+0x374/0xe30
[   20.334748][  T328]  ? do_user_addr_fault+0x374/0xe30
[   20.334755][  T328]  __x64_sys_sendto+0xe0/0x1c0
[   20.334759][  T328]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   20.334765][  T328]  do_syscall_64+0xc1/0x1d0
[   20.334776][  T328]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   20.334784][  T328] RIP: 0033:0x7f5223631a4a
[   20.334791][  T328] 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
[   20.334795][  T328] RSP: 002b:00007fffadd7af58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.334800][  T328] RAX: ffffffffffffffda RBX: 000000003c8de9d0 RCX: 00007f5223631a4a
[   20.334804][  T328] RDX: 0000000000000086 RSI: 000000003c8dece2 RDI: 0000000000000005
[   20.334807][  T328] RBP: 000000003c8dece2 R08: 00007fffadd7af60 R09: 0000000000000014
[   20.334809][  T328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   20.334811][  T328] R13: 0000000000000086 R14: 00007fffadd7af60 R15: 0000000000000000
[   20.334827][  T328]  </TASK>
[   39.670848][  T520] br1: port 2(veth2) entered disabled state
[   39.679452][  T520] ip (520) used greatest stack depth: 23840 bytes left
[   39.752287][  T521] veth2: left allmulticast mode
[   39.752533][  T521] veth2: left promiscuous mode
[   39.752883][  T521] br1: port 2(veth2) entered disabled state
[   39.851294][  T522] br1: port 1(veth1) entered disabled state
[   39.937507][  T523] veth1: left allmulticast mode
[   39.937743][  T523] veth1: left promiscuous mode
[   39.938130][  T523] br1: port 1(veth1) entered disabled state