NBI component - IETF L2VPN connector:

        return None

    def _process_site_network_accesses(self, site_id : str, request_data : Dict) -> List[Dict]:

        LOGGER.warning('[_process_site_network_accesses] A')

        errors = list()

        request_data = self._prepare_request_payload(site_id, request_data, errors)

        LOGGER.warning('[_process_site_network_accesses] B')

        MSG = '[_process_site_network_accesses] errors={:s}'

        LOGGER.debug(MSG.format(str(errors)))

        if len(errors) > 0: return errors

        LOGGER.warning('[_process_site_network_accesses] C')

        yang_validator = YangValidator('ietf-l2vpn-svc')

        LOGGER.warning('[_process_site_network_accesses] D')

        request_data = yang_validator.parse_to_dict(request_data)

        LOGGER.warning('[_process_site_network_accesses] E')

        yang_validator.destroy()

        LOGGER.warning('[_process_site_network_accesses] F')

        MSG = '[_process_site_network_accesses] request_data={:s}'

        LOGGER.debug(MSG.format(str(request_data)))

        sites = (

            request_data.get('l2vpn-svc', dict())

            .get('sites', dict())

            .get('site', list())

        )

        MSG = '[_process_site_network_accesses] sites={:s}'

        LOGGER.debug(MSG.format(str(sites)))

        for site in sites:

            MSG = '[_process_site_network_accesses] site={:s}'

            LOGGER.debug(MSG.format(str(site)))

            site_network_accesses = (

                site.get('site-network-accesses', dict())

                .get('site-network-access', list())

            )

            MSG = '[_process_site_network_accesses] site_network_accesses={:s}'

            LOGGER.debug(MSG.format(str(site_network_accesses)))

            for site_network_access in site_network_accesses:

                MSG = '[_process_site_network_accesses] site_network_access={:s}'

                LOGGER.debug(MSG.format(str(site_network_access)))

                process_site_network_access(site_id, site_network_access, errors)

                LOGGER.warning('[_process_site_network_accesses] G')

        MSG = '[_process_site_network_accesses] errors={:s}'

        LOGGER.debug(MSG.format(str(errors)))

        return errors