Debug OFC24 and Optical Controller

                classes_service_handlers = self._executor.get_service_handlers(

                    connection, service, **service_handler_settings

                )

                if len(classes_service_handlers) != 1:

                # TODO: improve to select different service handlers when needed

                # By now, assume a single service handler is retrieved for all the

                # device types in the path, i.e., all entries carry the same

                # service handler, so we choose the first one retrieved.

                if len(classes_service_handlers) < 1:

                    raise Exception('Unsupported case: {:s}'.format(str(classes_service_handlers)))

                class_service_handler,_ = classes_service_handlers.values()[0]

            if class_service_handler.check_media_channel(connection_uuid):