[ 1487.241478][    C3] tc mirred to Houston: device veth2 is down
[ 1487.573788][    C2] tc mirred to Houston: device veth2 is down
[ 1487.597657][    C3] tc mirred to Houston: device veth2 is down
[ 1487.910536][    C2] tc mirred to Houston: device veth2 is down
[ 1488.104487][    C1] tc mirred to Houston: device veth3 is down
[ 1488.477503][    C1] tc mirred to Houston: device veth3 is down