}
                else if ( last == null ) {
                    // don't have enough credits/space for the first request, block until available
                    // for space there is nothing we can do, callers need to make sure that a single message fits

                    try {
                        long timeout = getResponseTimeout(chain);

     * <p>
     * Wildcard expressions will not filter workgroup names or server names.
     *
     * <blockquote>
     * 
     * <pre>
     * winnt&gt; ls c?o*
     * clock.avi                  -rw--      82944 Mon Oct 14 1996 1:38 AM
     * Cookies                    drw--          0 Fri Nov 13 1998 9:42 PM
     * 2 items in 5ms
     * </pre>
     * 
     * </blockquote>
     * 

        (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
    };

    private static final Logger log = LoggerFactory.getLogger(NameServiceClientImpl.class);

    private final Object LOCK = new Object();

    private int nbnsIndex = 0;

    private final Map<Name, CacheEntry> addressCache = new HashMap<>();
    private final Set<Name> inFlightLookups = new HashSet<>();

 * it will match that many characters <i>or less</i>.
 * <p>
 * Wildcard expressions will not filter workgroup names or server names.
 *
 * <blockquote><pre>
 * winnt> ls c?o*
 * clock.avi                  -rw--      82944 Mon Oct 14 1996 1:38 AM
 * Cookies                    drw--          0 Fri Nov 13 1998 9:42 PM
 * 2 items in 5ms
 * </pre></blockquote>
 *