EFK Url x.x.x.x:30303 unreachable, error: dial tcp x.x.x.x:30303: connect: connection timed out

版本：rancher2.1.8

EFK：Elasticsearch (Version: 6.2.4, Build: ccec39f/2018-04-12T20:37:28.497551Z, JVM: 1.8.0_161) 

           FluentBit  0.13.0

           Kibana (6.2.4)

kinana报错：

Discover: connect ETIMEDOUT  x.x.x.x:30303

Error: Bad Gateway

    at respond (http://x.x.x.x:32410/bundles/vendors.bundle.js?v=16627:111:161556)

    at checkRespForFailure (http://x.x.x.x:32410/bundles/vendors.bundle.js?v=16627:111:160796)

    at http://x.x.x.x:32410/bundles/vendors.bundle.js?v=16627:105:285566

    at processQueue (http://x.x.x.x:32410/bundles/vendors.bundle.js?v=16627:58:132456)

    at http://x.x.x.x:32410/bundles/vendors.bundle.js?v=16627:58:133349

    at Scope.$digest (http://x.x.x.x:32410/bundles/vendors.bundle.js?v=16627:58:144239)

    at Scope.$apply (http://x.x.x.x:32410/bundles/vendors.bundle.js?v=16627:58:147018)

    at done (http://x.x.x.x:32410/bundles/vendors.bundle.js?v=16627:58:100026)

    at completeRequest (http://x.x.x.x:32410/bundles/vendors.bundle.js?v=16627:58:104697)

    at XMLHttpRequest.xhr.onload (http://x.x.x.x:32410/bundles/vendors.bundle.js?v=16627:58:105435)