Start a producer/consumer service

def start(self, start_loop=True):
        """
        Start a producer/consumer service

        """
        txaio.start_logging()
        runner = self.setup_runner()
        if start_loop:
            try:
                runner.run(Component)
            except EventifyHandlerInitializationFailed as initError:
                logging.error('Unable to initialize handler: %s.' % initError.message)
                sys.exit(1)
            except ConnectionRefusedError:
                logging.error('Unable to connect to crossbar instance. Is it running?')
                sys.exit(1)
            except KeyboardInterrupt:
                logging.info('User initiated shutdown')
                loop = asyncio.get_event_loop()
                loop.stop()
                sys.exit(1)
            self.check_event_loop()
            self.reconnect()
        else:
            return runner.run(
                Component,
                start_loop=start_loop
            )