[ES 6.2.4] - Request Timeout after 3000ms

Ping resolves the name of the service as expected from Kibana:

bash-4.2$ ping elasticsearch-logging
PING elasticsearch-logging.latest.svc.cluster.local (100.68.201.39) 56(84) bytes of data.

Logs from Kibana when initializing (verbose mode):

....
{"type":"log","@timestamp":"2018-05-17T15:23:56Z","tags":["status","plugin:console@6.2.4","info"],"pid":1,"state":"green","message":"Status changed from uninitialized to green - Ready","prevState":"uninitialized","prevMsg":"uninitialized"}
{"type":"log","@timestamp":"2018-05-17T15:23:56Z","tags":["plugins","debug"],"pid":1,"plugin":{"author":"Chris Cowan<chris@elastic.co>","name":"metrics","version":"kibana"},"message":"Initializing plugin metrics@kibana"}
{"type":"log","@timestamp":"2018-05-17T15:23:56Z","tags":["status","plugin:metrics@6.2.4","info"],"pid":1,"state":"green","message":"Status changed from uninitialized to green - Ready","prevState":"uninitialized","prevMsg":"uninitialized"}
{"type":"log","@timestamp":"2018-05-17T15:23:56Z","tags":["plugins","debug"],"pid":1,"plugin":{"author":"Yuri Astrakhan<yuri@elastic.co>","name":"vega","version":"kibana"},"message":"Initializing plugin vega@kibana"}
{"type":"log","@timestamp":"2018-05-17T15:23:56Z","tags":["server","uuid","uuid"],"pid":1,"message":"Setting new Kibana instance UUID: 75d2fdeb-eb03-4236-b3fd-415ff5fb0281"}
{"type":"log","@timestamp":"2018-05-17T15:23:56Z","tags":["listening","info"],"pid":1,"message":"Server running at http://0:5601"}
{"type":"ops","@timestamp":"2018-05-17T15:23:57Z","tags":[],"pid":1,"os":{"load":[1.55859375,0.4931640625,0.22900390625],"mem":{"total":3949867008,"free":1301180416},"uptime":2357017},"proc":{"uptime":12.959,"mem":{"rss":141119488,"heapTotal":115765248,"heapUsed":80114224,"external":306681},"delay":1.4610481262207031},"load":{"requests":{},"concurrents":{"5601":0},"responseTimes":{},"sockets":{"http":{"total":0},"https":{"total":0}}},"message":"memory: 76.4MB uptime: 0:00:13 load: [1.56 0.49 0.23] delay: 1.461"}
{"type":"log","@timestamp":"2018-05-17T15:23:59Z","tags":["status","plugin:elasticsearch@6.2.4","error"],"pid":1,"state":"red","message":"Status changed from yellow to red - Request Timeout after 3000ms","prevState":"yellow","prevMsg":"Waiting for Elasticsearch"}

Logs from ES:

...
[2018-05-17T09:58:30,451][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [analysis-common]
[2018-05-17T09:58:30,451][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [ingest-common]
[2018-05-17T09:58:30,452][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [lang-expression]
[2018-05-17T09:58:30,452][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [lang-mustache]
[2018-05-17T09:58:30,452][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [lang-painless]
[2018-05-17T09:58:30,453][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [mapper-extras]
[2018-05-17T09:58:30,453][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [parent-join]
[2018-05-17T09:58:30,453][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [percolator]
[2018-05-17T09:58:30,453][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [rank-eval]
[2018-05-17T09:58:30,453][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [reindex]
[2018-05-17T09:58:30,453][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [repository-url]
[2018-05-17T09:58:30,453][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [transport-netty4]
[2018-05-17T09:58:30,453][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded module [tribe]
[2018-05-17T09:58:30,454][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded plugin [ingest-geoip]
[2018-05-17T09:58:30,454][INFO ][o.e.p.PluginsService     ] [_58ZD3l] loaded plugin [ingest-user-agent]
[2018-05-17T09:58:45,645][INFO ][o.e.d.DiscoveryModule    ] [_58ZD3l] using discovery type [zen]
[2018-05-17T09:58:49,394][INFO ][o.e.n.Node               ] initialized
[2018-05-17T09:58:49,408][INFO ][o.e.n.Node               ] [_58ZD3l] starting ...
[2018-05-17T09:58:50,420][INFO ][o.e.t.TransportService   ] [_58ZD3l] publish_address {100.96.1.245:9300}, bound_addresses {[::]:9300}
[2018-05-17T09:58:50,476][INFO ][o.e.b.BootstrapChecks    ] [_58ZD3l] bound or publishing to a non-loopback address, enforcing bootstrap checks
[2018-05-17T09:58:53,664][INFO ][o.e.c.s.MasterService    ] [_58ZD3l] zen-disco-elected-as-master ([0] nodes joined), reason: new_master {_58ZD3l}{_58ZD3lbQA-m3z1tm5L2NQ}{0_tV69wfTNe7V0-qV9H-7A}{100.96.1.245}{100.96.1.245:9300}
[2018-05-17T09:58:53,684][INFO ][o.e.c.s.ClusterApplierService] [_58ZD3l] new_master {_58ZD3l}{_58ZD3lbQA-m3z1tm5L2NQ}{0_tV69wfTNe7V0-qV9H-7A}{100.96.1.245}{100.96.1.245:9300}, reason: apply cluster state (from master [master {_58ZD3l}{_58ZD3lbQA-m3z1tm5L2NQ}{0_tV69wfTNe7V0-qV9H-7A}{100.96.1.245}{100.96.1.245:9300} committed version [1] source [zen-disco-elected-as-master ([0] nodes joined)]])
[2018-05-17T09:58:53,764][INFO ][o.e.h.n.Netty4HttpServerTransport] [_58ZD3l] publish_address {100.96.1.245:9200}, bound_addresses {[::]:9200}
[2018-05-17T09:58:53,764][INFO ][o.e.n.Node               ] [_58ZD3l] started
[2018-05-17T09:58:55,746][INFO ][o.e.g.GatewayService     ] [_58ZD3l] recovered [2] indices into cluster_state
[2018-05-17T09:58:57,411][INFO ][o.e.c.r.a.AllocationService] [_58ZD3l] Cluster health status changed from [RED] to [GREEN] (reason: [shards started [[.monitoring-es-6-2018.05.16][0]] ...]).