Moving to Elasticsearch 8.2.3
I get the same messages as well as:
join_elastic.1.u0uhzkvgmfwy@desktop | {"@timestamp":"2022-06-21T11:20:39.797Z", "log.level": "WARN", "message":"completed handshake with [{elastic.2}{JSQSuvhuRreDP37uOpaP4A}{Tq3s9YwdTEaGMepnxao9Vw}{10.0.0.240}{10.0.0.240:9300}{cdfhilmrstw}] at [10.0.23.29:9300] but followup connection to [10.0.0.240:9300] failed", "ecs.version": "1.2.0","service.name":"ES_ECS","event.dataset":"elasticsearch.server","process.thread.name":"elasticsearch[elastic.1][generic][T#1]","log.logger":"org.elasticsearch.discovery.HandshakingTransportAddressConnector","elasticsearch.node.name":"elastic.1","elasticsearch.cluster.name":"docker-cluster","error.type":"org.elasticsearch.transport.ConnectTransportException","error.message":"[elastic.2][10.0.0.240:9300] connect_timeout[30s]","error.stack_trace":"org.elasticsearch.transport.ConnectTransportException: [elastic.2][10.0.0.240:9300] connect_timeout[30s]\n\tat org.elasticsearch.transport.TcpTransport$ChannelsConnectedListener.onTimeout(TcpTransport.java:1112)\n\tat org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:714)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)\n\tat java.base/java.lang.Thread.run(Thread.java:833)\n"}
join_elastic.2.oalt2w13eyi9@desktop | {"@timestamp":"2022-06-21T11:20:39.807Z", "log.level": "WARN", "message":"completed handshake with [{elastic.1}{5-1-Y3yORxqxBMMjUiNlyg}{y-2UMAGfQ7aLrZ-4nqBMCg}{10.0.0.242}{10.0.0.242:9300}{cdfhilmrstw}] at [10.0.23.31:9300] but followup connection to [10.0.0.242:9300] failed", "ecs.version": "1.2.0","service.name":"ES_ECS","event.dataset":"elasticsearch.server","process.thread.name":"elasticsearch[elastic.2][generic][T#1]","log.logger":"org.elasticsearch.discovery.HandshakingTransportAddressConnector","elasticsearch.node.name":"elastic.2","elasticsearch.cluster.name":"docker-cluster","error.type":"org.elasticsearch.transport.ConnectTransportException","error.message":"[elastic.1][10.0.0.242:9300] connect_timeout[30s]","error.stack_trace":"org.elasticsearch.transport.ConnectTransportException: [elastic.1][10.0.0.242:9300] connect_timeout[30s]\n\tat org.elasticsearch.transport.TcpTransport$ChannelsConnectedListener.onTimeout(TcpTransport.java:1112)\n\tat org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:714)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)\n\tat java.base/java.lang.Thread.run(Thread.java:833)\n"}
join_elastic.3.svvkok858ld1@desktop | {"@timestamp":"2022-06-21T11:20:40.496Z", "log.level": "WARN", "message":"completed handshake with [{elastic.2}{JSQSuvhuRreDP37uOpaP4A}{Tq3s9YwdTEaGMepnxao9Vw}{10.0.0.240}{10.0.0.240:9300}{cdfhilmrstw}] at [10.0.23.29:9300] but followup connection to [10.0.0.240:9300] failed", "ecs.version": "1.2.0","service.name":"ES_ECS","event.dataset":"elasticsearch.server","process.thread.name":"elasticsearch[elastic.3][generic][T#2]","log.logger":"org.elasticsearch.discovery.HandshakingTransportAddressConnector","elasticsearch.node.name":"elastic.3","elasticsearch.cluster.name":"docker-cluster","error.type":"org.elasticsearch.transport.ConnectTransportException","error.message":"[elastic.2][10.0.0.240:9300] connect_timeout[30s]","error.stack_trace":"org.elasticsearch.transport.ConnectTransportException: [elastic.2][10.0.0.240:9300] connect_timeout[30s]\n\tat org.elasticsearch.transport.TcpTransport$ChannelsConnectedListener.onTimeout(TcpTransport.java:1112)\n\tat org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:714)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)\n\tat java.base/java.lang.Thread.run(Thread.java:833)\n"}
join_elastic.3.svvkok858ld1@desktop | {"@timestamp":"2022-06-21T11:20:40.496Z", "log.level": "WARN", "message":"completed handshake with [{elastic.1}{5-1-Y3yORxqxBMMjUiNlyg}{y-2UMAGfQ7aLrZ-4nqBMCg}{10.0.0.242}{10.0.0.242:9300}{cdfhilmrstw}] at [10.0.23.31:9300] but followup connection to [10.0.0.242:9300] failed", "ecs.version": "1.2.0","service.name":"ES_ECS","event.dataset":"elasticsearch.server","process.thread.name":"elasticsearch[elastic.3][generic][T#3]","log.logger":"org.elasticsearch.discovery.HandshakingTransportAddressConnector","elasticsearch.node.name":"elastic.3","elasticsearch.cluster.name":"docker-cluster","error.type":"org.elasticsearch.transport.ConnectTransportException","error.message":"[elastic.1][10.0.0.242:9300] connect_timeout[30s]","error.stack_trace":"org.elasticsearch.transport.ConnectTransportException: [elastic.1][10.0.0.242:9300] connect_timeout[30s]\n\tat org.elasticsearch.transport.TcpTransport$ChannelsConnectedListener.onTimeout(TcpTransport.java:1112)\n\tat org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:714)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)\n\tat java.base/java.lang.Thread.run(Thread.java:833)\n"}
join_elastic.3.svvkok858ld1@desktop | {"@timestamp":"2022-06-21T11:20:47.478Z", "log.level": "WARN", "message":"master not discovered yet, this node has not previously joined a bootstrapped cluster, and this node must discover master-eligible nodes [elastic.1, elastic.2, elastic.3] to bootstrap a cluster: have discovered [{elastic.3}{SWAdmCU8THyAjXLkahmfSA}{VmN3WLXqRW2f0T2oerSqpg}{10.0.0.241}{10.0.0.241:9300}{cdfhilmrstw}]; discovery will continue using [10.0.23.31:9300, 10.0.23.29:9300] from hosts providers and [{elastic.3}{SWAdmCU8THyAjXLkahmfSA}{VmN3WLXqRW2f0T2oerSqpg}{10.0.0.241}{10.0.0.241:9300}{cdfhilmrstw}] from last-known cluster state; node term 0, last-accepted version 0 in term 0", "ecs.version": "1.2.0","service.name":"ES_ECS","event.dataset":"elasticsearch.server","process.thread.name":"elasticsearch[elastic.3][cluster_coordination][T#1]","log.logger":"org.elasticsearch.cluster.coordination.ClusterFormationFailureHelper","elasticsearch.node.name":"elastic.3","elasticsearch.cluster.name":"docker-cluster"}
join_elastic.1.u0uhzkvgmfwy@desktop | {"@timestamp":"2022-06-21T11:20:48.785Z", "log.level": "WARN", "message":"master not discovered yet, this node has not previously joined a bootstrapped cluster, and this node must discover master-eligible nodes [elastic.1, elastic.2, elastic.3] to bootstrap a cluster: have discovered [{elastic.1}{5-1-Y3yORxqxBMMjUiNlyg}{y-2UMAGfQ7aLrZ-4nqBMCg}{10.0.0.242}{10.0.0.242:9300}{cdfhilmrstw}]; discovery will continue using [10.0.23.31:9300, 10.0.23.29:9300] from hosts providers and [{elastic.1}{5-1-Y3yORxqxBMMjUiNlyg}{y-2UMAGfQ7aLrZ-4nqBMCg}{10.0.0.242}{10.0.0.242:9300}{cdfhilmrstw}] from last-known cluster state; node term 0, last-accepted version 0 in term 0", "ecs.version": "1.2.0","service.name":"ES_ECS","event.dataset":"elasticsearch.server","process.thread.name":"elasticsearch[elastic.1][cluster_coordination][T#1]","log.logger":"org.elasticsearch.cluster.coordination.ClusterFormationFailureHelper","elasticsearch.node.name":"elastic.1","elasticsearch.cluster.name":"docker-cluster"}
join_elastic.2.oalt2w13eyi9@desktop | {"@timestamp":"2022-06-21T11:20:48.794Z", "log.level": "WARN", "message":"master not discovered yet, this node has not previously joined a bootstrapped cluster, and this node must discover master-eligible nodes [elastic.1, elastic.2, elastic.3] to bootstrap a cluster: have discovered [{elastic.2}{JSQSuvhuRreDP37uOpaP4A}{Tq3s9YwdTEaGMepnxao9Vw}{10.0.0.240}{10.0.0.240:9300}{cdfhilmrstw}]; discovery will continue using [10.0.23.31:9300, 10.0.23.29:9300] from hosts providers and [{elastic.2}{JSQSuvhuRreDP37uOpaP4A}{Tq3s9YwdTEaGMepnxao9Vw}{10.0.0.240}{10.0.0.240:9300}{cdfhilmrstw}] from last-known cluster state; node term 0, last-accepted version 0 in term 0", "ecs.version": "1.2.0","service.name":"ES_ECS","event.dataset":"elasticsearch.server","process.thread.name":"elasticsearch[elastic.2][cluster_coordination][T#1]","log.logger":"org.elasticsearch.cluster.coordination.ClusterFormationFailureHelper","elasticsearch.node.name":"elastic.2","elasticsearch.cluster.name":"docker-cluster"}