> [2024-06-21T05:50:13,531][ERROR][logstash.outputs.elasticsearch][main][3394228cfe781c7f5045d8b255bb26c9e991ecaafd2f2ab6a3b19b0b8be87572] Attempted to send a bulk request but there are no living connections in the pool (perhaps Elasticsearch is unreachable or down?) {:message=>"No Available connections", :exception=>LogStash::Outputs::ElasticSearch::HttpClient::Pool::NoConnectionAvailableError, :will_retry_in_seconds=>16}