作为admin用户，请求认证令牌，输入如下命令openstack--os-auth-urlhttp://controller:35357/v3--os-project-domain-namedefault--os-user-domain-namedefault--os-project-nameadmin--os-usernameadmintokenissue 报错Failedtodiscoveravailableidentityversionswhencontactinghttp://controller:35357/v3.AttemptingtoparseversionfromURL.Una