def METHOD_NAME():
    """Return JSON indicating whether MTU to destination is safe"""
    dest = arg_string("dest")
    if dest is None:
        return bad_request("Missing destination")
    try:
        (status, message) = pscheduler.mtu_path_is_safe(dest)
        return ok_json(
            { "safe": status, "message": message },
            sanitize=False)
    except Exception as ex:
        log.exception()
        return error(str(ex))