def METHOD_NAME(self, duthost, interfaces, err_handler=logging.error):
    """
    Shutdown multiple interfaces and confirm success.
    """
    res = duthost.shutdown_multiple(interfaces)
    if not res.is_successful:
        err_handler('shutdown "{interfaces}" failed'.format(interfaces=interfaces))
    logging.info('waiting for "{interfaces}" shutdown'.format(interfaces=interfaces))
    if not wait_until(60, 5, 0, self.check_interface_oper_state, duthost, interfaces, "down"):
        err_handler('shutdown "{interfaces}" failed'.format(interfaces=interfaces))
    config_entry = []
    config = {}
    config["PORT"] = {}
    for interface in interfaces:
        config["PORT"].update({interface: {"admin_status": "down"}})
    config_entry.append(config)
    delete_running_config(config_entry, duthost)