[   13.958133][  T303] br1: port 1(veth1) entered blocking state
[   13.958684][  T303] br1: port 1(veth1) entered disabled state
[   13.959053][  T303] veth1: entered allmulticast mode
[   13.968889][  T303] veth1: entered promiscuous mode
[   14.049385][   T40] br1: port 1(veth1) entered blocking state
[   14.049763][   T40] br1: port 1(veth1) entered forwarding state
[   14.129915][  T305] br1: port 2(veth2) entered blocking state
[   14.130909][  T305] br1: port 2(veth2) entered disabled state
[   14.131366][  T305] veth2: entered allmulticast mode
[   14.134019][  T305] veth2: entered promiscuous mode
[   14.208846][   T40] br1: port 2(veth2) entered blocking state
[   14.209141][   T40] br1: port 2(veth2) entered forwarding state
[   22.371465][  T351] 
[   22.371808][  T351] =============================
[   22.372022][  T351] WARNING: suspicious RCU usage
[   22.372201][  T351] 6.14.0-rc6-virtme #1 Not tainted
[   22.372666][  T351] -----------------------------
[   22.372852][  T351] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   22.373160][  T351] 
[   22.373160][  T351] other info that might help us debug this:
[   22.373160][  T351] 
[   22.373519][  T351] 
[   22.373519][  T351] rcu_scheduler_active = 2, debug_locks = 1
[   22.373779][  T351] 1 lock held by mausezahn/351:
[   22.373969][  T351]  #0: ffffffff8b55b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   22.374305][  T351] 
[   22.374305][  T351] stack backtrace:
[   22.374529][  T351] CPU: 2 UID: 0 PID: 351 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   22.374534][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.374536][  T351] Call Trace:
[   22.374539][  T351]  <TASK>
[   22.374542][  T351]  dump_stack_lvl+0xb0/0xd0
[   22.374550][  T351]  lockdep_rcu_suspicious+0x1ea/0x280
[   22.374562][  T351]  dev_hard_start_xmit+0x2fc/0x3f0
[   22.374573][  T351]  __dev_queue_xmit+0xfaf/0x18d0
[   22.374588][  T351]  ? __pfx___dev_queue_xmit+0x10/0x10
[   22.374592][  T351]  ? packet_parse_headers+0x231/0x9c0
[   22.374601][  T351]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   22.374608][  T351]  ? __pfx_packet_parse_headers+0x10/0x10
[   22.374613][  T351]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   22.374619][  T351]  ? dev_get_by_index+0xb2/0x190
[   22.374631][  T351]  packet_snd+0xd0c/0x19d0
[   22.374642][  T351]  ? __lock_release+0x103/0x460
[   22.374646][  T351]  ? __might_fault+0x11b/0x170
[   22.374655][  T351]  ? __pfx_packet_snd+0x10/0x10
[   22.374657][  T351]  ? trace_lock_acquire+0x14c/0x1f0
[   22.374660][  T351]  ? __might_fault+0x11b/0x170
[   22.374667][  T351]  ? lock_acquire+0x32/0xc0
[   22.374673][  T351]  ? __might_fault+0x11b/0x170
[   22.374684][  T351]  __sys_sendto+0x3c3/0x450
[   22.374691][  T351]  ? __pfx___sys_sendto+0x10/0x10
[   22.374706][  T351]  ? sock_ioctl+0x3b6/0x590
[   22.374716][  T351]  ? __pfx___up_read+0x10/0x10
[   22.374726][  T351]  ? do_user_addr_fault+0x374/0xe30
[   22.374737][  T351]  ? do_user_addr_fault+0x374/0xe30
[   22.374744][  T351]  __x64_sys_sendto+0xe0/0x1c0
[   22.374748][  T351]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   22.374754][  T351]  do_syscall_64+0xc1/0x1d0
[   22.374763][  T351]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   22.374768][  T351] RIP: 0033:0x7f94a44dca4a
[   22.374775][  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
[   22.374778][  T351] RSP: 002b:00007ffd262c5fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   22.374782][  T351] RAX: ffffffffffffffda RBX: 00000000202729d0 RCX: 00007f94a44dca4a
[   22.374785][  T351] RDX: 000000000000008e RSI: 0000000020272cf2 RDI: 0000000000000005
[   22.374786][  T351] RBP: 0000000020272cf2 R08: 00007ffd262c5fc0 R09: 0000000000000014
[   22.374788][  T351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   22.374790][  T351] R13: 000000000000008e R14: 00007ffd262c5fc0 R15: 0000000000000000
[   22.374806][  T351]  </TASK>
[   41.724594][  T665] br1: port 2(veth2) entered disabled state
[   41.733123][  T665] ip (665) used greatest stack depth: 23576 bytes left
[   41.810179][  T666] veth2: left allmulticast mode
[   41.810477][  T666] veth2: left promiscuous mode
[   41.810846][  T666] br1: port 2(veth2) entered disabled state
[   41.907842][  T667] br1: port 1(veth1) entered disabled state
[   42.006050][  T668] veth1: left allmulticast mode
[   42.006319][  T668] veth1: left promiscuous mode
[   42.006647][  T668] br1: port 1(veth1) entered disabled state