private void childHandler(String networkDevice, Consumer<String> consumer) {
        Stream.of("sudo", "tc", "qdisc", "add", "dev", networkDevice, "parent", "1:1", "handle", "10:").forEach(consumer);
    }
Construct the first part of a "tc" command to define a qdisc child handler for the given interface. This can
only be used if a root handler has been appropriately defined first (as in {@link #rootHandler}).
trogdor/src/main/java/org/apache/kafka/trogdor/fault/DegradedNetworkFaultWorker.java