code: public void start() {
          synchronized (LOCK) {
              if (!this.active) {
                  this.active = true;
                  logger.info("Starting UDP Manager");
                  try {
                      generateTasks();
                      logger.info("Initialized UDP interface[" + inet + "]: bind address=" + bindAddress);
                  } catch (IOException e) {
                      logger.error("An error occurred while initializing the polling tasks", e);
                      stop();
                  }
              }
          }
      }
docs: Starts polling the network.