[  634.080609] tc (10872) used greatest stack depth: 12072 bytes left
[  634.106773] tc mirred to Houston: device veth2 is down
[  634.163789] tc mirred to Houston: device veth2 is down
[  634.254758] tc mirred to Houston: device veth3 is down
[  634.305760] tc mirred to Houston: device veth2 is down