[ 1512.073699][    C3] tc mirred to Houston: device veth2 is down
[ 1512.183672][    C3] tc mirred to Houston: device veth2 is down
[ 1512.732615][    C2] tc mirred to Houston: device veth2 is down
[ 1512.990708][    C2] tc mirred to Houston: device veth3 is down
[ 1513.052810][    C2] tc mirred to Houston: device veth2 is down