[   10.929659][  T250] ip (250) used greatest stack depth: 23464 bytes left
[   13.907057][  T298] br1: port 1(veth1) entered blocking state
[   13.907610][  T298] br1: port 1(veth1) entered disabled state
[   13.907991][  T298] veth1: entered allmulticast mode
[   13.909991][  T298] veth1: entered promiscuous mode
[   14.067345][  T301] br1: port 2(veth2) entered blocking state
[   14.067634][  T301] br1: port 2(veth2) entered disabled state
[   14.067908][  T301] veth2: entered allmulticast mode
[   14.070218][  T301] veth2: entered promiscuous mode
[   14.243886][  T303] br1: port 2(veth2) entered blocking state
[   14.244358][  T303] br1: port 2(veth2) entered forwarding state
[   14.245052][  T303] br1: port 1(veth1) entered blocking state
[   14.245335][  T303] br1: port 1(veth1) entered forwarding state
[   20.602069][  T330] GACT probability NOT on
[   20.856462][  T334] 
[   20.856833][  T334] =============================
[   20.857199][  T334] WARNING: suspicious RCU usage
[   20.857562][  T334] 6.14.0-rc6-virtme #1 Not tainted
[   20.857729][  T334] -----------------------------
[   20.857892][  T334] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   20.858158][  T334] 
[   20.858158][  T334] other info that might help us debug this:
[   20.858158][  T334] 
[   20.858470][  T334] 
[   20.858470][  T334] rcu_scheduler_active = 2, debug_locks = 1
[   20.858743][  T334] 1 lock held by mausezahn/334:
[   20.858914][  T334]  #0: ffffffffacb5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   20.859211][  T334] 
[   20.859211][  T334] stack backtrace:
[   20.859432][  T334] CPU: 2 UID: 0 PID: 334 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   20.859436][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.859439][  T334] Call Trace:
[   20.859441][  T334]  <TASK>
[   20.859444][  T334]  dump_stack_lvl+0xb0/0xd0
[   20.859452][  T334]  lockdep_rcu_suspicious+0x1ea/0x280
[   20.859464][  T334]  dev_hard_start_xmit+0x2fc/0x3f0
[   20.859474][  T334]  __dev_queue_xmit+0xfaf/0x18d0
[   20.859488][  T334]  ? __pfx___dev_queue_xmit+0x10/0x10
[   20.859493][  T334]  ? packet_parse_headers+0x231/0x9c0
[   20.859502][  T334]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   20.859509][  T334]  ? __pfx_packet_parse_headers+0x10/0x10
[   20.859513][  T334]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   20.859519][  T334]  ? dev_get_by_index+0xb2/0x190
[   20.859531][  T334]  packet_snd+0xd0c/0x19d0
[   20.859543][  T334]  ? __lock_release+0x103/0x460
[   20.859547][  T334]  ? __might_fault+0x11b/0x170
[   20.859555][  T334]  ? __pfx_packet_snd+0x10/0x10
[   20.859557][  T334]  ? trace_lock_acquire+0x14c/0x1f0
[   20.859560][  T334]  ? __might_fault+0x11b/0x170
[   20.859566][  T334]  ? lock_acquire+0x32/0xc0
[   20.859573][  T334]  ? __might_fault+0x11b/0x170
[   20.859584][  T334]  __sys_sendto+0x3c3/0x450
[   20.859590][  T334]  ? __pfx___sys_sendto+0x10/0x10
[   20.859604][  T334]  ? sock_ioctl+0x3b6/0x590
[   20.859615][  T334]  ? __pfx___up_read+0x10/0x10
[   20.859625][  T334]  ? do_user_addr_fault+0x374/0xe30
[   20.859636][  T334]  ? do_user_addr_fault+0x374/0xe30
[   20.859643][  T334]  __x64_sys_sendto+0xe0/0x1c0
[   20.859647][  T334]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   20.859652][  T334]  do_syscall_64+0xc1/0x1d0
[   20.859661][  T334]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   20.859667][  T334] RIP: 0033:0x7fbb3ec84a4a
[   20.859672][  T334] 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
[   20.859675][  T334] RSP: 002b:00007ffe666b0b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   20.859678][  T334] RAX: ffffffffffffffda RBX: 00000000198869d0 RCX: 00007fbb3ec84a4a
[   20.859680][  T334] RDX: 000000000000008e RSI: 0000000019886cf2 RDI: 0000000000000005
[   20.859682][  T334] RBP: 0000000019886cf2 R08: 00007ffe666b0b50 R09: 0000000000000014
[   20.859684][  T334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   20.859686][  T334] R13: 000000000000008e R14: 00007ffe666b0b50 R15: 0000000000000000
[   20.859702][  T334]  </TASK>
[   35.936905][  T622] br1: port 2(veth2) entered disabled state
[   35.938295][  T622] br1: port 1(veth1) entered disabled state
[   36.118840][  T624] veth2: left allmulticast mode
[   36.119174][  T624] veth2: left promiscuous mode
[   36.119536][  T624] br1: port 2(veth2) entered disabled state
[   36.288701][  T626] veth1: left allmulticast mode
[   36.288952][  T626] veth1: left promiscuous mode
[   36.289265][  T626] br1: port 1(veth1) entered disabled state