Both...
It goes like this:
org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 1
[2016-11-16T07:59:48,674][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 1
[2016-11-16T07:59:48,674][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 1
[2016-11-16T07:59:48,741][ERROR][logstash.codecs.json ] JSON parse error, original data now in message field {:error=>#<LogStash::Json::ParserError: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
at [Source: <31>routed[7189]: rt_instance_monitor_job: fired
; line: 1, column: 2]>, :data=>"<31>routed[7189]: rt_instance_monitor_job: fired\n"}
[2016-11-16T07:59:48,742][ERROR][logstash.codecs.json ] JSON parse error, original data now in message field {:error=>#<LogStash::Json::ParserError: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
at [Source: <31>routed[7189]: rt_instance_monitor_job: scheduled next instance monitor in 5 seconds
; line: 1, column: 2]>, :data=>"<31>routed[7189]: rt_instance_monitor_job: scheduled next instance monitor in 5 seconds\n"}
[2016-11-16T07:59:48,959][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 3
[2016-11-16T07:59:48,959][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 1
[2016-11-16T07:59:49,214][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 3
[2016-11-16T07:59:49,214][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 1
[2016-11-16T07:59:49,442][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 3
0:05,765"", :config_parsers=>"YYYY/MM/dd HH:mm:ss", :config_locale=>"default=en_US"}
[2016-11-16T08:00:36,396][WARN ][logstash.filters.date ] Failed parsing date from field {:field=>"timestamp", :value=>"2016-11-16 08:00:05,772", :exception=>"Invalid format: "2016-11-16 08:00:05,772" is malformed at "-11-16 08:00:05,772"", :config_parsers=>"YYYY/MM/dd HH:mm:ss", :config_locale=>"default=en_US"}
[2016-11-16T08:00:36,397][WARN ][logstash.filters.date ] Failed parsing date from field {:field=>"timestamp", :value=>"2016-11-16 08:00:05,798", :exception=>"Invalid format: "2016-11-16 08:00:05,798" is malformed at "-11-16 08:00:05,798"", :config_parsers=>"YYYY/MM/dd HH:mm:ss", :config_locale=>"default=en_US"}
[2016-11-16T08:00:36,399][WARN ][logstash.filters.date ] Failed parsing date from field {:field=>"timestamp", :value=>"2016-11-16 08:00:07,214", :exception=>"Invalid format: "2016-11-16 08:00:07,214" is malformed at "-11-16 08:00:07,214"", :config_parsers=>"YYYY/MM/dd HH:mm:ss", :config_locale=>"default=en_US"}
[2016-11-16T08:00:36,566][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 3
[2016-11-16T08:00:36,566][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 1
[2016-11-16T08:00:36,578][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 3
[2016-11-16T08:00:36,578][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 3
[2016-11-16T08:00:36,579][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 1
[2016-11-16T08:00:36,579][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 1
[2016-11-16T08:00:36,706][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 3
[2016-11-16T08:00:36,707][ERROR][org.logstash.beats.BeatsHandler] Exception: org.logstash.beats.BeatsParser$InvalidFrameProtocolException: Invalid Frame Type, received: 1
[2016-11-16T08:00:36,849][WARN ][logstash.filters.date ] Failed parsing date from field {:field=>"timestamp", :value=>"2016-11-16 08:00:07,735", :exception=>"Invalid format: "2016-11-16 08:00:07,735" is malformed at "-11-16 08:00:07,735"", :config_parsers=>"YYYY/MM/dd HH:mm:ss", :config_locale=>"default=en_US"}