Yes, thanks a lot 
, I've seen it before, and this is my output
[2016-12-30 00:00:01,441][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] creating index, cause [auto(bulk api)], templates [logstash], shards [5]/[1], mappings [_default_, rhino, syslog]
[2016-12-30 00:00:01,767][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] update_mapping [syslog] (dynamic)
[2016-12-30 00:00:01,769][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] update_mapping [rhino] (dynamic)
[2016-12-30 00:00:02,969][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] update_mapping [syslog] (dynamic)
[2016-12-30 00:00:04,047][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] update_mapping [syslog] (dynamic)
[2016-12-30 00:00:53,727][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] update_mapping [syslog] (dynamic)
[2016-12-30 00:01:21,381][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] update_mapping [mysql-error] (dynamic)
[2016-12-30 03:20:18,247][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] update_mapping [syslog] (dynamic)
[2016-12-30 03:30:02,601][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.27] deleting index
[2016-12-30 08:38:10,445][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] update_mapping [syslog] (dynamic)
[2016-12-30 09:48:35,035][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] update_mapping [jetty] (dynamic)
[2016-12-30 10:48:20,159][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.30] update_mapping [rhino] (dynamic)
[2016-12-31 00:00:00,618][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] creating index, cause [auto(bulk api)], templates [logstash], shards [5]/[1], mappings [_default_, rhino, syslog]
[2016-12-31 00:00:00,814][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [syslog] (dynamic)
[2016-12-31 00:00:00,815][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [rhino] (dynamic)
[2016-12-31 00:00:02,952][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [syslog] (dynamic)
[2016-12-31 00:00:12,350][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [syslog] (dynamic)
[2016-12-31 00:01:21,075][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [mysql-error] (dynamic)
[2016-12-31 00:06:43,654][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [syslog] (dynamic)
[2016-12-31 02:39:51,829][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [syslog] (dynamic)
[2016-12-31 03:30:03,397][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.28] deleting index
[2016-12-31 04:23:15,799][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [jetty] (dynamic)
[2016-12-31 06:37:16,910][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [syslog] (dynamic)
[2016-12-31 09:13:45,504][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [syslog] (dynamic)
[2016-12-31 10:17:20,024][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.31] update_mapping [rhino] (dynamic)
[2017-01-01 00:00:00,710][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2017.01.01] creating index, cause [auto(bulk api)], templates [logstash], shards [5]/[1], mappings [_default_, rhino, syslog]
[2017-01-01 00:00:00,943][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2017.01.01] update_mapping [syslog] (dynamic)
[2017-01-01 00:00:00,944][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2017.01.01] update_mapping [rhino] (dynamic)
[2017-01-01 00:00:04,076][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2017.01.01] update_mapping [syslog] (dynamic)
[2017-01-01 00:00:23,679][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2017.01.01] update_mapping [syslog] (dynamic)
[2017-01-01 00:01:21,274][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2017.01.01] update_mapping [mysql-error] (dynamic)
[2017-01-01 00:06:43,980][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2017.01.01] update_mapping [syslog] (dynamic)
[2017-01-01 00:37:09,127][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2017.01.01] update_mapping [syslog] (dynamic)
[2017-01-01 03:30:02,888][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2016.12.29] deleting index
[2017-01-01 21:06:58,120][INFO ][cluster.metadata ] [leo-mt-r-elasticsearch02] [logstash-2017.01.01] update_mapping [rhino] (dynamic)