private void rootHandler(String networkDevice, Consumer<String> consumer) {
        Stream.of("sudo", "tc", "qdisc", "add", "dev", networkDevice, "root", "handle", "1:0").forEach(consumer);
    }
Construct the first part of a "tc" command to define a qdisc root handler for the given network interface
trogdor/src/main/java/org/apache/kafka/trogdor/fault/DegradedNetworkFaultWorker.java