[  831.370816] tc (25057) used greatest stack depth: 12056 bytes left
[  831.385036] tc mirred to Houston: device veth2 is down
[  831.390030] tc mirred to Houston: device veth2 is down
[  831.416051] tc mirred to Houston: device veth2 is down
[  831.470019] tc mirred to Houston: device veth3 is down