org.elasticsearch.transport.ReceiveTimeoutTransportException[cluster:monitor/nodes/liveness] request_id [31] timed out after [5000ms]

2017-09-07 10:42:45.042 [elasticsearch[Luna][generic][T#1]] INFO  org.elasticsearch.client.transport  - [Luna] failed to get node info for {#transport#-1}{192.168.1.100}{192.168.1.100:9300}, disconnecting...
org.elasticsearch.transport.ReceiveTimeoutTransportException: [][192.168.1.100:9300][cluster:monitor/nodes/liveness] request_id [31] timed out after [5000ms]
    at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:698)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
2017-09-07 10:42:47.105 [elasticsearch[Digitek][generic][T#1]] INFO  org.elasticsearch.client.transport  - [Digitek] failed to get node info for {#transport#-1}{192.168.1.100}{192.168.1.100:9300}, disconnecting...
org.elasticsearch.transport.ReceiveTimeoutTransportException: [][192.168.1.100:9300][cluster:monitor/nodes/liveness] request_id [13] timed out after [5000ms]
    at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:698)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)