[ 1429.500301][    C1] tc mirred to Houston: device veth2 is down
[ 1429.504271][    C3] tc mirred to Houston: device veth2 is down
[ 1429.715407][    C3] tc mirred to Houston: device veth2 is down
[ 1429.747587][    C3] tc mirred to Houston: device veth2 is down
[ 1430.299385][    C3] tc mirred to Houston: device veth2 is down
[ 1430.399345][    C3] tc mirred to Houston: device veth3 is down
[ 1430.411288][    C3] tc mirred to Houston: device veth3 is down
[ 1430.779361][    C3] tc mirred to Houston: device veth3 is down