docs: private boolean isPacketLongEnough(DatagramPacket packet, int expectedLength, String name) {
          final int length = packet.getLength();
          if (length < expectedLength) {
              logger.warn("Ignoring too-short " + name + " packet; expecting " + expectedLength + " bytes and got " +
                      length + ".");
              return false;
          }
  
          if (length > expectedLength) {
              logger.warn("Processing too-long " + name + " packet; expecting " + expectedLength +
                      " bytes and got " + length + ".");
          }
  
          return true;
      }