[ 1412.003813][    C2] tc mirred to Houston: device veth2 is down
[ 1412.088786][    C2] tc mirred to Houston: device veth2 is down
[ 1412.266130][    C2] tc mirred to Houston: device veth2 is down
[ 1412.793033][    C2] tc mirred to Houston: device veth2 is down
[ 1412.840746][    C1] tc mirred to Houston: device veth3 is down
[ 1413.160730][    C1] tc mirred to Houston: device veth3 is down