Sends a message to the framework scheduler.

        These messages are best effort; do not expect a framework message to be
        retransmitted in any reliable fashion.

def message(self, data):
        """Sends a message to the framework scheduler.

        These messages are best effort; do not expect a framework message to be
        retransmitted in any reliable fashion.
        """
        logging.info('Driver sends framework message {}'.format(data))
        return self.driver.sendFrameworkMessage(data)