def _PerformDownloadOptions(self, parser):
    self._PerformLoadOptions(parser)
    parser.add_option('--exporter_opts', type='string', dest='exporter_opts',
                      help='A string to pass to the Exporter.initialize method.'
                     )
    parser.add_option('--result_db_filename', type='string',
                      dest='result_db_filename',
                      action='store',
                      help='Database to write entities to for download.')
Creating Ethernet interfaces is currently not supported
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/tools/appcfg.py/AppCfgApp._PerformDownloadOptions--crossover with--dataset/ETHPy150Open arista-eosplus/pyeapi/pyeapi/api/interfaces.py/EthernetInterface.create