Error in kibana after upgrading from 7.5.2 to 7.6.2

I use the elasticsearch plugin and after upgrading from 7.5.2 to 7.62 i get this error (kibana never starts ok)

{“type”:“log”,"@timestamp":“2020-04-30T18:16:44Z”,“tags”:[“error”,“elasticsearch”,“admin”],“pid”:6,“message”:“Request error, retrying\nGET https://elasticsearch:9200/_nodes?filter_path=nodes..version%2Cnodes..http.publish_address%2Cnodes..ip => write EPROTO 139869076424576:error:1408F10B:SSL routines:ssl3_get_record:wrong version number:…/deps/openssl/openssl/ssl/record/ssl3_record.c:332:\n"}
{“type”:“log”,"@timestamp":“2020-04-30T18:16:44Z”,“tags”:[“error”,“elasticsearch”,“admin”],“pid”:6,“message”:"Request error, retrying\nGET https://elasticsearch:9200/_nodes?filter_path=nodes.
.version%2Cnodes..http.publish_address%2Cnodes..ip => write EPROTO 139869076424576:error:1408F10B:SSL routines:ssl3_get_record:wrong version number:…/deps/openssl/openssl/ssl/record/ssl3_record.c:332:\n”}

Ok the problem was not the plugin.
It is a kubernetes environment and the memory limit of the pod was reached so the container was oomkilled
increasin the memory limit worked

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