Master and follower doesn't get checker messages

Hello i don’t understand what’s going on. I have cluster from 3 nodes: es01,es02,es03.
Sometimes nodes can’t get checker messages, in result node leave cluster
es01 master log:

[2021-01-11T11:36:47,630][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:47,633][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:48,220][TRACE][o.e.c.NodeConnectionsService] [h1-es01] connectDisconnectedTargets: {{h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}=ConnectionTarget{discoveryNode={h1
-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, activityType=IDLE}, {h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}=ConnectionTarget{
discoveryNode={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}, activityType=IDLE}, {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}=
ConnectionTarget{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, activityType=IDLE}}
[2021-01-11T11:36:48,548][TRACE][o.e.c.c.LeaderChecker    ] [h1-es01] handling LeaderCheckRequest{sender={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}}
[2021-01-11T11:36:48,622][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:48,623][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:48,634][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:48,635][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:49,550][TRACE][o.e.c.c.LeaderChecker    ] [h1-es01] handling LeaderCheckRequest{sender={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}}
[2021-01-11T11:36:49,624][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:49,625][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:49,636][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:49,637][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:50,552][TRACE][o.e.c.c.LeaderChecker    ] [h1-es01] handling LeaderCheckRequest{sender={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}}
[2021-01-11T11:36:50,626][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:50,627][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:50,638][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:50,639][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:51,554][TRACE][o.e.c.c.LeaderChecker    ] [h1-es01] handling LeaderCheckRequest{sender={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}}
[2021-01-11T11:36:51,627][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:51,629][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:51,639][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:51,641][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:52,557][TRACE][o.e.c.c.LeaderChecker    ] [h1-es01] handling LeaderCheckRequest{sender={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}}
[2021-01-11T11:36:52,629][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:52,630][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:52,641][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:52,643][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:36:53,558][TRACE][o.e.c.c.LeaderChecker    ] [h1-es01] handling LeaderCheckRequest{sender={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}}
[2021-01-11T11:36:53,631][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:36:53,632][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful

es03 follower log:

[2021-01-11T11:36:47,633][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:36:48,635][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:36:49,637][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:36:50,638][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:36:51,640][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:36:52,642][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:36:53,644][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:36:54,646][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:36:55,274][DEBUG][o.e.c.c.LeaderChecker    ] [h1-es03] 1 consecutive failures (limit [cluster.fault_detection.leader_check.retry_count] is 3) with leader [{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{192.168.5
7.101}{<es01_ip>:9300}{dimr}]
org.elasticsearch.transport.ReceiveTimeoutTransportException: [h1-es01][<es01_ip>:9300][internal:coordination/fault_detection/leader_check] request_id [117011842] timed out after [10006ms]
        at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:1074) [elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:651) [elasticsearch-7.9.1.jar:7.9.1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
        at java.lang.Thread.run(Thread.java:834) [?:?]
[2021-01-11T11:36:55,276][TRACE][o.e.c.c.LeaderChecker    ] [h1-es03] scheduling next check of {h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr} for [cluster.fault_detection.leader_check
.interval] = 1s

So, as you see master answers, but follower don’t get this message. Also you can see that master doesn’t get leader checker messages.

And results of this failures:
follower decides master is faulty:

[2021-01-11T11:37:10,678][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:37:11,679][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:37:12,681][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:37:13,683][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:37:14,685][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:37:15,687][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:37:16,689][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on fast path
[2021-01-11T11:37:17,268][TRACE][o.e.c.NodeConnectionsService] [h1-es03] connectDisconnectedTargets: {{h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}=ConnectionTarget{discoveryNode={h1
-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, activityType=IDLE}, {h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}=ConnectionTarget{
discoveryNode={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}, activityType=IDLE}, {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}=
ConnectionTarget{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, activityType=IDLE}}
[2021-01-11T11:37:17,282][DEBUG][o.e.c.c.LeaderChecker    ] [h1-es03] leader [{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}] has failed 3 consecutive checks (limit [cluster.fault_det
ection.leader_check.retry_count] is 3); last failure was:
org.elasticsearch.transport.ReceiveTimeoutTransportException: [h1-es01][<es01_ip>:9300][internal:coordination/fault_detection/leader_check] request_id [117012924] timed out after [10006ms]
        at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:1074) [elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:651) [elasticsearch-7.9.1.jar:7.9.1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
        at java.lang.Thread.run(Thread.java:834) [?:?]
[2021-01-11T11:37:17,284][INFO ][o.e.c.c.Coordinator      ] [h1-es03] master node [{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}] failed, restarting discovery
org.elasticsearch.ElasticsearchException: node [{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}] failed [3] consecutive checks
        at org.elasticsearch.cluster.coordination.LeaderChecker$CheckScheduler$1.handleException(LeaderChecker.java:293) ~[elasticsearch-7.9.1.jar:7.9.1]
        at com.amazon.opendistroforelasticsearch.security.transport.OpenDistroSecurityInterceptor$RestoringTransportResponseHandler.handleException(OpenDistroSecurityInterceptor.java:277) ~[?:?]
        at org.elasticsearch.transport.TransportService$ContextRestoreResponseHandler.handleException(TransportService.java:1172) ~[elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:1073) ~[elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:651) [elasticsearch-7.9.1.jar:7.9.1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
        at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: org.elasticsearch.transport.ReceiveTimeoutTransportException: [h1-es01][<es01_ip>:9300][internal:coordination/fault_detection/leader_check] request_id [117012924] timed out after [10006ms]
        at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:1074) ~[elasticsearch-7.9.1.jar:7.9.1]
        ... 4 more
[2021-01-11T11:37:17,292][DEBUG][o.e.c.c.Coordinator      ] [h1-es03] onLeaderFailure: coordinator becoming CANDIDATE in term 129 (was FOLLOWER, lastKnownLeader was [Optional[{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{192.
168.57.101}{<es01_ip>:9300}{dimr}]])

master this time:

[2021-01-11T11:37:16,688][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:37:16,690][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:37:17,611][TRACE][o.e.c.c.LeaderChecker    ] [h1-es01] handling LeaderCheckRequest{sender={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}}
[2021-01-11T11:37:17,677][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:37:17,678][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:37:17,690][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:37:17,705][DEBUG][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, failureCountSinceLastSuccess=1, [cl
uster.fault_detection.follower_check.retry_count]=3} failed, retrying
org.elasticsearch.transport.RemoteTransportException: [h1-es03][<es03_ip>:9300][internal:coordination/fault_detection/follower_check]
Caused by: org.elasticsearch.cluster.coordination.CoordinationStateRejectedException: onFollowerCheckRequest: received check from faulty master, rejecting FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7
iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
        at org.elasticsearch.cluster.coordination.Coordinator.onFollowerCheckRequest(Coordinator.java:264) ~[elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.cluster.coordination.FollowersChecker$2.doRun(FollowersChecker.java:198) ~[elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:710) ~[elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) ~[elasticsearch-7.9.1.jar:7.9.1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?]
        at java.lang.Thread.run(Thread.java:834) [?:?]
[2021-01-11T11:37:17,720][TRACE][o.e.c.c.Coordinator      ] [h1-es01] handleJoinRequest: as LEADER, handling JoinRequest{sourceNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, min
imumTerm=129, optionalJoin=Optional.empty}
[2021-01-11T11:37:18,222][TRACE][o.e.c.NodeConnectionsService] [h1-es01] connectDisconnectedTargets: {{h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}=ConnectionTarget{discoveryNode={h1
-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, activityType=IDLE}, {h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}=ConnectionTarget{
discoveryNode={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}, activityType=IDLE}, {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}=
ConnectionTarget{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, activityType=IDLE}}

Few minutes later:
es01 master:

[2021-01-11T11:38:19,167][TRACE][o.e.t.TaskCancellationService] [h1-es01] task [MT3BSgtaQBWux8BJDBSsHg:161719019] is cancelled
[2021-01-11T11:38:19,168][TRACE][o.e.t.TaskCancellationService] [h1-es01] Sending remove ban for tasks with the parent [MT3BSgtaQBWux8BJDBSsHg:161719019] to the node [{h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{192.168.57.1
03}{<es03_ip>:9300}{dimr}]
[2021-01-11T11:38:19,738][TRACE][o.e.c.c.LeaderChecker    ] [h1-es01] handling LeaderCheckRequest{sender={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}}
[2021-01-11T11:38:19,782][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:38:19,783][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, failureCountSinceLastSuccess=0, [cl
uster.fault_detection.follower_check.retry_count]=3} check successful
[2021-01-11T11:38:19,892][TRACE][o.e.c.c.FollowersChecker ] [h1-es01] handleWakeUp: checking {h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} with FollowerCheckRequest{term=129, sender=
{h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:38:19,895][DEBUG][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, failureCountSinceLastSuccess=3, [cl
uster.fault_detection.follower_check.retry_count]=3} failed too many times
org.elasticsearch.transport.RemoteTransportException: [h1-es03][<es03_ip>:9300][internal:coordination/fault_detection/follower_check]
Caused by: org.elasticsearch.cluster.coordination.CoordinationStateRejectedException: onFollowerCheckRequest: received check from faulty master, rejecting FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7
iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}}
        at org.elasticsearch.cluster.coordination.Coordinator.onFollowerCheckRequest(Coordinator.java:264) ~[elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.cluster.coordination.FollowersChecker$2.doRun(FollowersChecker.java:198) ~[elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:710) ~[elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) ~[elasticsearch-7.9.1.jar:7.9.1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?]
        at java.lang.Thread.run(Thread.java:834) [?:?]
[2021-01-11T11:38:19,897][DEBUG][o.e.c.c.FollowersChecker ] [h1-es01] FollowerChecker{discoveryNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, failureCountSinceLastSuccess=3, [cl
uster.fault_detection.follower_check.retry_count]=3} marking node as faulty
[2021-01-11T11:38:19,897][TRACE][o.e.c.s.MasterService    ] [h1-es01] will process [node-left[{h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} reason: followers check retry count exceed
ed]]
[2021-01-11T11:38:19,898][DEBUG][o.e.c.s.MasterService    ] [h1-es01] executing cluster state update for [node-left[{h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr} reason: followers ch
eck retry count exceeded]]

es03 follower

[2021-01-11T11:38:15,881][TRACE][o.e.c.c.Coordinator      ] [h1-es03] onFollowerCheckRequest: rejoining master, responding successfully to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{19
2.168.57.101}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:38:16,882][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on slow path
[2021-01-11T11:38:16,882][TRACE][o.e.c.c.Coordinator      ] [h1-es03] onFollowerCheckRequest: rejoining master, responding successfully to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{19
2.168.57.101}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:38:17,272][TRACE][o.e.c.NodeConnectionsService] [h1-es03] connectDisconnectedTargets: {{h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}=ConnectionTarget{discoveryNode={h1
-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, activityType=IDLE}, {h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}=ConnectionTarget{
discoveryNode={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}, activityType=IDLE}, {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}=
ConnectionTarget{discoveryNode={h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, activityType=IDLE}}
[2021-01-11T11:38:17,301][WARN ][o.e.c.c.ClusterFormationFailureHelper] [h1-es03] master not discovered or elected yet, an election requires at least 2 nodes with ids from [Qshtg7-TQIyxeiccpkmlIA, qgmMV2UbT-ScN9uRr6YM8g, MT3BSgtaQBWux8BJ
DBSsHg], have discovered [{h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, {h1-es0
1}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}] which is a quorum; discovery will continue using [<es01_ip>:9300, <es02_ip>:9300] from hosts providers and [{h1-es03}{Qshtg7-TQIyxei
ccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, {h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}
{<es01_ip>}{<es01_ip>:9300}{dimr}] from last-known cluster state; node term 129, last-accepted version 396235 in term 129
[2021-01-11T11:38:17,720][INFO ][o.e.c.c.JoinHelper       ] [h1-es03] failed to join {h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr} with JoinRequest{sourceNode={h1-es03}{Qshtg7-TQIyxe
iccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, minimumTerm=129, optionalJoin=Optional.empty}
org.elasticsearch.transport.ReceiveTimeoutTransportException: [h1-es01][<es01_ip>:9300][internal:cluster/coordination/join] request_id [117013242] timed out after [60036ms]
        at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:1074) [elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:651) [elasticsearch-7.9.1.jar:7.9.1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
        at java.lang.Thread.run(Thread.java:834) [?:?]
[2021-01-11T11:38:17,720][INFO ][o.e.c.c.JoinHelper       ] [h1-es03] failed to join {h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr} with JoinRequest{sourceNode={h1-es03}{Qshtg7-TQIyxe
iccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, minimumTerm=129, optionalJoin=Optional.empty}
org.elasticsearch.transport.ReceiveTimeoutTransportException: [h1-es01][<es01_ip>:9300][internal:cluster/coordination/join] request_id [117013242] timed out after [60036ms]
        at org.elasticsearch.transport.TransportService$TimeoutHandler.run(TransportService.java:1074) [elasticsearch-7.9.1.jar:7.9.1]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:651) [elasticsearch-7.9.1.jar:7.9.1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
        at java.lang.Thread.run(Thread.java:834) [?:?]
[2021-01-11T11:38:17,734][WARN ][o.e.t.TransportService   ] [h1-es03] Received response for a request that has timed out, sent [60036ms] ago, timed out [0ms] ago, action [internal:cluster/coordination/join], node [{h1-es01}{MT3BSgtaQBWux
8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}], id [117013242]
[2021-01-11T11:38:17,884][TRACE][o.e.c.c.FollowersChecker ] [h1-es03] responding to FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}} on slow path
[2021-01-11T11:38:17,885][TRACE][o.e.c.c.Coordinator      ] [h1-es03] onFollowerCheckRequest: received check from faulty master, rejecting FollowerCheckRequest{term=129, sender={h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{19
2.168.57.101}{<es01_ip>:9300}{dimr}}
[2021-01-11T11:38:17,934][DEBUG][o.e.t.TaskCancellationService] [h1-es03] Received ban for the parent [MT3BSgtaQBWux8BJDBSsHg:161714555] on the node [Qshtg7-TQIyxeiccpkmlIA], reason: [channel closed]
[2021-01-11T11:38:17,966][DEBUG][o.e.t.TaskCancellationService] [h1-es03] Received ban for the parent [MT3BSgtaQBWux8BJDBSsHg:161716726] on the node [Qshtg7-TQIyxeiccpkmlIA], reason: [channel closed]
[2021-01-11T11:38:17,973][DEBUG][o.e.t.TaskCancellationService] [h1-es03] Removing ban for the parent [MT3BSgtaQBWux8BJDBSsHg:161713520] on the node [Qshtg7-TQIyxeiccpkmlIA]
[2021-01-11T11:38:18,048][DEBUG][o.e.c.c.ElectionSchedulerFactory] [h1-es03] scheduleNextElection{gracePeriod=500ms, thisAttempt=38, maxDelayMillis=3900, delayMillis=3930, ElectionScheduler{attempt=39, ElectionSchedulerFactory{initialTim
eout=100ms, backoffTime=100ms, maxTimeout=10s}}} starting election
[2021-01-11T11:38:18,048][DEBUG][o.e.c.c.ElectionSchedulerFactory] [h1-es03] scheduling scheduleNextElection{gracePeriod=500ms, thisAttempt=39, maxDelayMillis=4000, delayMillis=1074, ElectionScheduler{attempt=40, ElectionSchedulerFactory
{initialTimeout=100ms, backoffTime=100ms, maxTimeout=10s}}}
[2021-01-11T11:38:18,049][DEBUG][o.e.c.c.PreVoteCollector ] [h1-es03] PreVotingRound{preVotesReceived={}, electionStarted=false, preVoteRequest=PreVoteRequest{sourceNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{192.168.5
7.103}{<es03_ip>:9300}{dimr}, currentTerm=129}, isClosed=false} requesting pre-votes from [{h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, {h1-es02}{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8t
IBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}, {h1-es01}{MT3BSgtaQBWux8BJDBSsHg}{5OJxyuZrR7iXpeL4OqyDiQ}{<es01_ip>}{<es01_ip>:9300}{dimr}]
[2021-01-11T11:38:18,049][DEBUG][o.e.c.c.PreVoteCollector ] [h1-es03] PreVotingRound{preVotesReceived={{h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}=PreVoteResponse{currentTerm=129,
lastAcceptedTerm=129, lastAcceptedVersion=396235}}, electionStarted=false, preVoteRequest=PreVoteRequest{sourceNode={h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, currentTerm=129}, i
sClosed=false} added PreVoteResponse{currentTerm=129, lastAcceptedTerm=129, lastAcceptedVersion=396235} from {h1-es03}{Qshtg7-TQIyxeiccpkmlIA}{irRkTH7XQt63qEIGc-SWjA}{<es03_ip>}{<es03_ip>:9300}{dimr}, no quorum yet
[2021-01-11T11:38:18,051][DEBUG][o.e.c.c.PreVoteCollector ] [h1-es03] TransportResponseHandler{PreVoteCollector{state=Tuple [v1=null, v2=PreVoteResponse{currentTerm=129, lastAcceptedTerm=129, lastAcceptedVersion=396235}]}, node={h1-es02}
{qgmMV2UbT-ScN9uRr6YM8g}{1Oc8tIBFR428oBjV_uLjHw}{<es02_ip>}{<es02_ip>:9300}{dimr}} failed

Did you make any progress with this? I think I am seeing something similar

I have the same issue. did you make any progress?