[   10.240983][  T258] ip (258) used greatest stack depth: 23344 bytes left
[   12.597015][  T299] br1: port 1(veth1) entered blocking state
[   12.597701][  T299] br1: port 1(veth1) entered disabled state
[   12.598062][  T299] veth1: entered allmulticast mode
[   12.599963][  T299] veth1: entered promiscuous mode
[   12.686954][   T40] br1: port 1(veth1) entered blocking state
[   12.687327][   T40] br1: port 1(veth1) entered forwarding state
[   12.763978][  T303] br1: port 2(veth2) entered blocking state
[   12.764472][  T303] br1: port 2(veth2) entered disabled state
[   12.764886][  T303] veth2: entered allmulticast mode
[   12.766807][  T303] veth2: entered promiscuous mode
[   12.831850][   T40] br1: port 2(veth2) entered blocking state
[   12.832143][   T40] br1: port 2(veth2) entered forwarding state
[   18.930678][  T325] GACT probability NOT on
[   19.172087][  T328] 
[   19.172406][  T328] =============================
[   19.172583][  T328] WARNING: suspicious RCU usage
[   19.172748][  T328] 6.14.0-rc6-virtme #1 Not tainted
[   19.173077][  T328] -----------------------------
[   19.173289][  T328] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   19.173562][  T328] 
[   19.173562][  T328] other info that might help us debug this:
[   19.173562][  T328] 
[   19.173861][  T328] 
[   19.173861][  T328] rcu_scheduler_active = 2, debug_locks = 1
[   19.174097][  T328] 1 lock held by mausezahn/328:
[   19.174278][  T328]  #0: ffffffff9cb5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0
[   19.174580][  T328] 
[   19.174580][  T328] stack backtrace:
[   19.174784][  T328] CPU: 2 UID: 0 PID: 328 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1
[   19.174789][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.174791][  T328] Call Trace:
[   19.174793][  T328]  <TASK>
[   19.174795][  T328]  dump_stack_lvl+0xb0/0xd0
[   19.174803][  T328]  lockdep_rcu_suspicious+0x1ea/0x280
[   19.174813][  T328]  dev_hard_start_xmit+0x2fc/0x3f0
[   19.174823][  T328]  __dev_queue_xmit+0xfaf/0x18d0
[   19.174837][  T328]  ? __pfx___dev_queue_xmit+0x10/0x10
[   19.174841][  T328]  ? packet_parse_headers+0x231/0x9c0
[   19.174850][  T328]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   19.174855][  T328]  ? __pfx_packet_parse_headers+0x10/0x10
[   19.174860][  T328]  ? skb_copy_datagram_from_iter+0xe6/0x6f0
[   19.174865][  T328]  ? dev_get_by_index+0xb2/0x190
[   19.174876][  T328]  packet_snd+0xd0c/0x19d0
[   19.174887][  T328]  ? __lock_release+0x103/0x460
[   19.174891][  T328]  ? __might_fault+0x11b/0x170
[   19.174898][  T328]  ? __pfx_packet_snd+0x10/0x10
[   19.174900][  T328]  ? trace_lock_acquire+0x14c/0x1f0
[   19.174902][  T328]  ? __might_fault+0x11b/0x170
[   19.174909][  T328]  ? lock_acquire+0x32/0xc0
[   19.174916][  T328]  ? __might_fault+0x11b/0x170
[   19.174927][  T328]  __sys_sendto+0x3c3/0x450
[   19.174932][  T328]  ? __pfx___sys_sendto+0x10/0x10
[   19.174947][  T328]  ? sock_ioctl+0x3b6/0x590
[   19.174957][  T328]  ? __pfx___up_read+0x10/0x10
[   19.174965][  T328]  ? do_user_addr_fault+0x374/0xe30
[   19.174975][  T328]  ? do_user_addr_fault+0x374/0xe30
[   19.174982][  T328]  __x64_sys_sendto+0xe0/0x1c0
[   19.174985][  T328]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   19.174991][  T328]  do_syscall_64+0xc1/0x1d0
[   19.174999][  T328]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   19.175003][  T328] RIP: 0033:0x7f32d6bdaa4a
[   19.175008][  T328] 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
[   19.175010][  T328] RSP: 002b:00007ffef6088e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   19.175014][  T328] RAX: ffffffffffffffda RBX: 0000000011e979d0 RCX: 00007f32d6bdaa4a
[   19.175016][  T328] RDX: 0000000000000086 RSI: 0000000011e97ce2 RDI: 0000000000000005
[   19.175018][  T328] RBP: 0000000011e97ce2 R08: 00007ffef6088e90 R09: 0000000000000014
[   19.175019][  T328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   19.175021][  T328] R13: 0000000000000086 R14: 00007ffef6088e90 R15: 0000000000000000
[   19.175037][  T328]  </TASK>
[   38.281471][  T520] br1: port 2(veth2) entered disabled state
[   38.361323][  T521] veth2: left allmulticast mode
[   38.361671][  T521] veth2: left promiscuous mode
[   38.362036][  T521] br1: port 2(veth2) entered disabled state
[   38.434693][  T522] br1: port 1(veth1) entered disabled state
[   38.512586][  T523] veth1: left allmulticast mode
[   38.512850][  T523] veth1: left promiscuous mode
[   38.513187][  T523] br1: port 1(veth1) entered disabled state