private void verifySocketBufferSize(int requestedBufferSize, int actualBufferSize, String type) {
    if (actualBufferSize < requestedBufferSize) {
      logger.info("Socket {} is {} instead of the requested {}.",
          new Object[] {type + " buffer size", actualBufferSize, requestedBufferSize});
    }
  }
@return the local port of our {@link #socket}
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/CacheClientUpdater.java