[   19.638579][  T328] veth2: entered promiscuous mode
[   20.671299][  T331] 
[   20.671526][  T331] =============================
[   20.671684][  T331] WARNING: suspicious RCU usage
[   20.671835][  T331] 6.14.0-rc6-virtme #1 Not tainted
[   20.671990][  T331] -----------------------------
[   20.672327][  T331] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   20.672584][  T331] 
[   20.672584][  T331] other info that might help us debug this:
[   20.672584][  T331] 
[   20.672874][  T331] 
[   20.672874][  T331] rcu_scheduler_active = 2, debug_locks = 1
[   20.673136][  T331] 1 lock held by mausezahn/331:
[   20.673303][  T331]  #0: ffffffff9175b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   20.673628][  T331] 
[   20.673628][  T331] stack backtrace:
[   20.673830][  T331] CPU: 3 UID: 0 PID: 331 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   20.673835][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.673838][  T331] Call Trace:
[   20.673840][  T331]  <TASK>
[   20.673842][  T331]  dump_stack_lvl+0xb0/0xd0
[   20.673849][  T331]  lockdep_rcu_suspicious+0x1ea/0x280
[   20.673860][  T331]  dev_hard_start_xmit+0x2fc/0x3f0
[   20.673870][  T331]  __dev_queue_xmit+0xfaf/0x18d0
[   20.673887][  T331]  ? __pfx___dev_queue_xmit+0x10/0x10
[   20.673895][  T331]  ? packet_parse_headers+0x231/0x9c0
[   20.673909][  T331]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   20.673916][  T331]  ? __pfx_packet_parse_headers+0x10/0x10
[   20.673920][  T331]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   20.673926][  T331]  ? dev_get_by_index+0xb2/0x190
[   20.673937][  T331]  packet_snd+0xd0c/0x19d0
[   20.673948][  T331]  ? __lock_release+0x103/0x460
[   20.673952][  T331]  ? __might_fault+0x11b/0x170
[   20.673959][  T331]  ? __pfx_packet_snd+0x10/0x10
[   20.673961][  T331]  ? trace_lock_acquire+0x14c/0x1f0
[   20.673963][  T331]  ? __might_fault+0x11b/0x170
[   20.673970][  T331]  ? lock_acquire+0x32/0xc0
[   20.673976][  T331]  ? __might_fault+0x11b/0x170
[   20.673987][  T331]  __sys_sendto+0x3c3/0x450
[   20.673993][  T331]  ? __pfx___sys_sendto+0x10/0x10
[   20.674007][  T331]  ? sock_ioctl+0x3b6/0x590
[   20.674012][  T331]  ? _copy_to_user+0x5c/0x80
[   20.674021][  T331]  ? __pfx_put_timespec64+0x10/0x10
[   20.674028][  T331]  ? posix_cpu_clock_get+0xe1/0x240
[   20.674040][  T331]  ? __x64_sys_clock_gettime+0x17a/0x200
[   20.674044][  T331]  ? __pfx___x64_sys_clock_gettime+0x10/0x10
[   20.674051][  T331]  __x64_sys_sendto+0xe0/0x1c0
[   20.674055][  T331]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   20.674060][  T331]  do_syscall_64+0xc1/0x1d0
[   20.674068][  T331]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   20.674074][  T331] RIP: 0033:0x7f59353a4a4a
[   20.674078][  T331] 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
[   20.674081][  T331] RSP: 002b:00007ffed1420ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.674085][  T331] RAX: ffffffffffffffda RBX: 00000000347bd9d0 RCX: 00007f59353a4a4a
[   20.674087][  T331] RDX: 0000000000000012 RSI: 00000000347bdbd2 RDI: 0000000000000005
[   20.674089][  T331] RBP: 00000000347bdbd2 R08: 00007ffed1420af0 R09: 0000000000000014
[   20.674091][  T331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   20.674092][  T331] R13: 0000000000000012 R14: 00007ffed1420af0 R15: 0000000000000000
[   20.674108][  T331]  </TASK>
[   38.398082][  T355] 8021q: 802.1Q VLAN Support v1.8

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr
[  339.460191][  T328] veth2: left promiscuous mode

WAIT TIMEOUT stderr