def delete_fw(self, tenant_id, data):
        """Top level routine called when a FW is deleted. """
        try:
            ret = self._delete_fw(tenant_id, data)
            return ret
        except Exception as exc:
            LOG.error("Failed to delete FW for device native, tenant "
                      "%(tenant)s data %(data)s Exc %(exc)s",
                      {'tenant': tenant_id, 'data': data, 'exc': exc})
            return False