List<MutiThreadTestCase> runnables = new ArrayList<>();
        for ( int i = 0; i < 20; i++ ) {
            runnables.add(new MutiThreadTestCase());
        }
        runMultiTestCase(runnables, 60);
    }


    private void runMultiTestCase ( List<? extends MultiTestCase> testcases, int timeoutSecs ) throws InterruptedException {
        for ( Runnable r : testcases ) {
            this.executor.submit(r);

import jcifs.ResolverType;
import jcifs.RuntimeCIFSException;
import jcifs.SmbConstants;
import jcifs.util.Hexdump;


/**
 * 
 * @author mbechler
 *
 */
public class NameServiceClientImpl implements Runnable, NameServiceClient {

    private static final int NAME_SERVICE_UDP_PORT = 137;

    static final byte[] UNKNOWN_MAC_ADDRESS = new byte[] {
        (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00