code: def create_fw(self, tenant_id, data):
          
          try:
              return self._create_fw(tenant_id, data)
          except Exception as exc:
              LOG.error("Failed to create FW for device native, tenant "
                        "%(tenant)s data %(data)s Exc %(exc)s",
                        {'tenant': tenant_id, 'data': data, 'exc': exc})
              return False
docs: Top level routine called when a FW is created.