[   39.508938][  T572] br0: port 1(veth1) entered blocking state
[   39.509823][  T572] br0: port 1(veth1) entered disabled state
[   39.510131][  T572] veth1: entered allmulticast mode
[   39.512218][  T572] veth1: entered promiscuous mode
[   39.603468][  T574] br0: port 2(veth3) entered blocking state
[   39.603838][  T574] br0: port 2(veth3) entered disabled state
[   39.604312][  T574] veth3: entered allmulticast mode
[   39.606609][  T574] veth3: entered promiscuous mode
[   39.881982][   T38] br0: port 1(veth1) entered blocking state
[   39.882461][   T38] br0: port 1(veth1) entered forwarding state
[   40.030823][   T38] br0: port 2(veth3) entered blocking state
[   40.031139][   T38] br0: port 2(veth3) entered forwarding state
[   45.957121][  T597] 
[   45.957401][  T597] =============================
[   45.957582][  T597] WARNING: suspicious RCU usage
[   45.957794][  T597] 6.14.0-rc6-virtme #1 Not tainted
[   45.957980][  T597] -----------------------------
[   45.958175][  T597] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   45.958475][  T597] 
[   45.958475][  T597] other info that might help us debug this:
[   45.958475][  T597] 
[   45.958818][  T597] 
[   45.958818][  T597] rcu_scheduler_active = 2, debug_locks = 1
[   45.959103][  T597] 1 lock held by mausezahn/597:
[   45.959286][  T597]  #0: ffffffffb355b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   45.959628][  T597] 
[   45.959628][  T597] stack backtrace:
[   45.959844][  T597] CPU: 0 UID: 0 PID: 597 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   45.959848][  T597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.959851][  T597] Call Trace:
[   45.959853][  T597]  <TASK>
[   45.959856][  T597]  dump_stack_lvl+0xb0/0xd0
[   45.959864][  T597]  lockdep_rcu_suspicious+0x1ea/0x280
[   45.959876][  T597]  dev_hard_start_xmit+0x2fc/0x3f0
[   45.959886][  T597]  __dev_queue_xmit+0xfaf/0x18d0
[   45.959901][  T597]  ? __pfx___dev_queue_xmit+0x10/0x10
[   45.959905][  T597]  ? packet_parse_headers+0x231/0x9c0
[   45.959914][  T597]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   45.959921][  T597]  ? __pfx_packet_parse_headers+0x10/0x10
[   45.959926][  T597]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   45.959932][  T597]  ? dev_get_by_index+0xb2/0x190
[   45.959944][  T597]  packet_snd+0xd0c/0x19d0
[   45.959958][  T597]  ? __lock_release+0x103/0x460
[   45.959964][  T597]  ? __might_fault+0x11b/0x170
[   45.959974][  T597]  ? __pfx_packet_snd+0x10/0x10
[   45.959977][  T597]  ? trace_lock_acquire+0x14c/0x1f0
[   45.959979][  T597]  ? __might_fault+0x11b/0x170
[   45.959986][  T597]  ? lock_acquire+0x32/0xc0
[   45.959992][  T597]  ? __might_fault+0x11b/0x170
[   45.960003][  T597]  __sys_sendto+0x3c3/0x450
[   45.960010][  T597]  ? __pfx___sys_sendto+0x10/0x10
[   45.960024][  T597]  ? sock_ioctl+0x3b6/0x590
[   45.960029][  T597]  ? _copy_to_user+0x5c/0x80
[   45.960039][  T597]  ? __pfx_put_timespec64+0x10/0x10
[   45.960049][  T597]  ? posix_cpu_clock_get+0xe1/0x240
[   45.960060][  T597]  ? __x64_sys_clock_gettime+0x17a/0x200
[   45.960066][  T597]  ? __pfx___x64_sys_clock_gettime+0x10/0x10
[   45.960073][  T597]  __x64_sys_sendto+0xe0/0x1c0
[   45.960077][  T597]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   45.960082][  T597]  do_syscall_64+0xc1/0x1d0
[   45.960091][  T597]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   45.960098][  T597] RIP: 0033:0x7f4ca1216a4a
[   45.960103][  T597] 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
[   45.960106][  T597] RSP: 002b:00007ffe0f0c83e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.960110][  T597] RAX: ffffffffffffffda RBX: 000000000d5d49d0 RCX: 00007f4ca1216a4a
[   45.960112][  T597] RDX: 000000000000002a RSI: 000000000d5d4c42 RDI: 0000000000000005
[   45.960113][  T597] RBP: 000000000d5d4c42 R08: 00007ffe0f0c83f0 R09: 0000000000000014
[   45.960116][  T597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   45.960117][  T597] R13: 000000000000002a R14: 00007ffe0f0c83f0 R15: 00007ffe0f0c84cc
[   45.960133][  T597]  </TASK>
[   46.236750][  T607] br0: port 2(veth3) entered disabled state
[   46.405947][  T609] br0: port 1(veth1) entered disabled state
[   46.575966][  T611] veth3: left allmulticast mode
[   46.576339][  T611] veth3: left promiscuous mode
[   46.576808][  T611] br0: port 2(veth3) entered disabled state
[   46.579000][  T611] veth1: left allmulticast mode
[   46.579303][  T611] veth1: left promiscuous mode
[   46.579708][  T611] br0: port 1(veth1) entered disabled state