[  970.130503] tc (18118) used greatest stack depth: 12032 bytes left
[  970.140839] tc mirred to Houston: device veth2 is down
[  970.169838] tc mirred to Houston: device veth2 is down
[  970.195838] tc mirred to Houston: device veth2 is down
[  970.216831] tc mirred to Houston: device veth3 is down