Just got some errors in the log
{"@version":1,"source_host":"s-ror-es-1","message":"Some failures flushing the BulkProcessor: ","thread_name":"elasticsearch[s-ror-es-1][generic][T#4]","@timestamp":"2018-12-18T21:05:18.059+00:00","level":"ERROR","logger_name":"tech.beshu.ror.es.AuditSinkImpl"}
{"@version":1,"source_host":"s-ror-es-1","message":"1x: UnavailableShardsException[[readonlyrest_audit-2018-12-18][3] primary shard is not active Timeout: [1m], request: [BulkShardRequest [[readonlyrest_audit-2018-12-18][3]] containing [index {[readonlyrest_audit-2018-12-18][ror_audit_evt][506164944-1130557732#10], source[{\"error_message\":null,\"headers\":[\"Authorization\",\"Connection\",\"Content-Length\",\"Host\"],\"acl_history\":\"[::CONSUL-SRV::->[auth_key->false]], [::KIBANA-SRV::->[auth_key->true]]\",\"origin\":\"10.11.136.187\",\"match\":true,\"final_state\":\"ALLOWED\",\"destination\":\"10.11.136.187\",\"task_id\":10,\"type\":\"MainRequest\",\"req_method\":\"HEAD\",\"path\":\"/\",\"indices\":[],\"@timestamp\":\"2018-12-18T21:03:46Z\",\"content_len_kb\":0,\"error_type\":null,\"processingMillis\":7,\"action\":\"cluster:monitor/main\",\"block\":\"{ name: '::KIBANA-SRV::', policy: ALLOW, rules: [auth_key]}\",\"id\":\"506164944-1130557732#10\",\"content_len\":0,\"user\":\"kibana\"}]}]]]","thread_name":"elasticsearch[s-ror-es-1][generic][T#4]","@timestamp":"2018-12-18T21:05:18.062+00:00","level":"ERROR","logger_name":"tech.beshu.ror.es.AuditSinkImpl"}
{"@version":1,"source_host":"s-ror-es-1","message":"2x: UnavailableShardsException[[readonlyrest_audit-2018-12-18][1] primary shard is not active Timeout: [1m], request: [BulkShardRequest [[readonlyrest_audit-2018-12-18][1]] containing [2] requests]]","thread_name":"elasticsearch[s-ror-es-1][generic][T#4]","@timestamp":"2018-12-18T21:05:18.063+00:00","level":"ERROR","logger_name":"tech.beshu.ror.es.AuditSinkImpl"}
{"@version":1,"source_host":"s-ror-es-1","message":"1x: UnavailableShardsException[[readonlyrest_audit-2018-12-18][0] primary shard is not active Timeout: [1m], request: [BulkShardRequest [[readonlyrest_audit-2018-12-18][0]] containing [index {[readonlyrest_audit-2018-12-18][ror_audit_evt][632345688-1336153666#8], source[{\"error_message\":null,\"headers\":[\"Authorization\",\"Connection\",\"Content-Length\",\"Host\"],\"acl_history\":\"[::CONSUL-SRV::->[auth_key->false]], [::KIBANA-SRV::->[auth_key->true]]\",\"origin\":\"10.11.136.187\",\"match\":true,\"final_state\":\"ALLOWED\",\"destination\":\"10.11.136.187\",\"task_id\":8,\"type\":\"MainRequest\",\"req_method\":\"HEAD\",\"path\":\"/\",\"indices\":[],\"@timestamp\":\"2018-12-18T21:03:46Z\",\"content_len_kb\":0,\"error_type\":null,\"processingMillis\":45,\"action\":\"cluster:monitor/main\",\"block\":\"{ name: '::KIBANA-SRV::', policy: ALLOW, rules: [auth_key]}\",\"id\":\"632345688-1336153666#8\",\"content_len\":0,\"user\":\"kibana\"}]}]]]","thread_name":"elasticsearch[s-ror-es-1][generic][T#4]","@timestamp":"2018-12-18T21:05:18.063+00:00","level":"ERROR","logger_name":"tech.beshu.ror.es.AuditSinkImpl"}```