[   14.809252][  T318] br0: port 1(veth1) entered blocking state
[   14.809702][  T318] br0: port 1(veth1) entered disabled state
[   14.810067][  T318] veth1: entered allmulticast mode
[   14.812059][  T318] veth1: entered promiscuous mode
[   14.900422][  T320] br0: port 2(veth2) entered blocking state
[   14.900696][  T320] br0: port 2(veth2) entered disabled state
[   14.900959][  T320] veth2: entered allmulticast mode
[   14.903892][  T320] veth2: entered promiscuous mode
[   14.985069][  T321] br0: port 3(veth4) entered blocking state
[   14.985368][  T321] br0: port 3(veth4) entered disabled state
[   14.985629][  T321] veth4: entered allmulticast mode
[   14.987469][  T321] veth4: entered promiscuous mode
[   15.618428][   T39] br0: port 1(veth1) entered blocking state
[   15.618793][   T39] br0: port 1(veth1) entered forwarding state
[   15.695149][   T71] br0: port 2(veth2) entered blocking state
[   15.695464][   T71] br0: port 2(veth2) entered forwarding state
[   15.779130][   T71] br0: port 3(veth4) entered blocking state
[   15.779566][   T71] br0: port 3(veth4) entered forwarding state
[   31.037002][  T388] veth3: entered promiscuous mode
[   31.508867][  T394] GACT probability NOT on
[   31.656216][  T395] 
[   31.656594][  T395] =============================
[   31.656818][  T395] WARNING: suspicious RCU usage
[   31.657011][  T395] 6.14.0-rc6-virtme #1 Not tainted
[   31.657198][  T395] -----------------------------
[   31.657429][  T395] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   31.657747][  T395] 
[   31.657747][  T395] other info that might help us debug this:
[   31.657747][  T395] 
[   31.658140][  T395] 
[   31.658140][  T395] rcu_scheduler_active = 2, debug_locks = 1
[   31.658419][  T395] 1 lock held by mausezahn/395:
[   31.658604][  T395]  #0: ffffffff9f35b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   31.658979][  T395] 
[   31.658979][  T395] stack backtrace:
[   31.659278][  T395] CPU: 2 UID: 0 PID: 395 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   31.659283][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.659285][  T395] Call Trace:
[   31.659287][  T395]  <TASK>
[   31.659290][  T395]  dump_stack_lvl+0xb0/0xd0
[   31.659298][  T395]  lockdep_rcu_suspicious+0x1ea/0x280
[   31.659308][  T395]  dev_hard_start_xmit+0x2fc/0x3f0
[   31.659320][  T395]  __dev_queue_xmit+0xfaf/0x18d0
[   31.659334][  T395]  ? __pfx___dev_queue_xmit+0x10/0x10
[   31.659338][  T395]  ? packet_parse_headers+0x231/0x9c0
[   31.659347][  T395]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   31.659353][  T395]  ? __pfx_packet_parse_headers+0x10/0x10
[   31.659357][  T395]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   31.659363][  T395]  ? dev_get_by_index+0xb2/0x190
[   31.659374][  T395]  packet_snd+0xd0c/0x19d0
[   31.659386][  T395]  ? __lock_release+0x103/0x460
[   31.659389][  T395]  ? __might_fault+0x11b/0x170
[   31.659396][  T395]  ? __pfx_packet_snd+0x10/0x10
[   31.659398][  T395]  ? trace_lock_acquire+0x14c/0x1f0
[   31.659401][  T395]  ? __might_fault+0x11b/0x170
[   31.659407][  T395]  ? lock_acquire+0x32/0xc0
[   31.659414][  T395]  ? __might_fault+0x11b/0x170
[   31.659425][  T395]  __sys_sendto+0x3c3/0x450
[   31.659431][  T395]  ? __pfx___sys_sendto+0x10/0x10
[   31.659445][  T395]  ? sock_ioctl+0x3b6/0x590
[   31.659455][  T395]  ? __pfx___up_read+0x10/0x10
[   31.659463][  T395]  ? do_user_addr_fault+0x374/0xe30
[   31.659473][  T395]  ? do_user_addr_fault+0x374/0xe30
[   31.659480][  T395]  __x64_sys_sendto+0xe0/0x1c0
[   31.659484][  T395]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   31.659489][  T395]  do_syscall_64+0xc1/0x1d0
[   31.659496][  T395]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   31.659501][  T395] RIP: 0033:0x7fd6db003a4a
[   31.659506][  T395] 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
[   31.659508][  T395] RSP: 002b:00007ffdbd333c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   31.659512][  T395] RAX: ffffffffffffffda RBX: 00000000036bd9d0 RCX: 00007fd6db003a4a
[   31.659514][  T395] RDX: 0000000000000062 RSI: 00000000036bd5c2 RDI: 0000000000000005
[   31.659516][  T395] RBP: 00000000036bd5c2 R08: 00007ffdbd333c40 R09: 0000000000000014
[   31.659518][  T395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   31.659520][  T395] R13: 0000000000000062 R14: 00007ffdbd333c40 R15: 0000000000000000
[   31.659536][  T395]  </TASK>
[   33.152174][  T401] veth3: left promiscuous mode
[   33.222015][  T402] veth3: entered promiscuous mode
[   35.098438][  T411] veth3: left promiscuous mode
[   35.253551][  T419] br0: port 3(veth4) entered disabled state
[   35.329616][  T420] br0: port 2(veth2) entered disabled state
[   35.410052][  T421] br0: port 1(veth1) entered disabled state
[   35.490521][  T422] veth4: left allmulticast mode
[   35.490802][  T422] veth4: left promiscuous mode
[   35.491217][  T422] br0: port 3(veth4) entered disabled state
[   35.493134][  T422] veth2: left allmulticast mode
[   35.493589][  T422] veth2: left promiscuous mode
[   35.493910][  T422] br0: port 2(veth2) entered disabled state
[   35.495322][  T422] veth1: left allmulticast mode
[   35.495542][  T422] veth1: left promiscuous mode
[   35.495853][  T422] br0: port 1(veth1) entered disabled state