ports/sysutils/beats/files/patch-filebeat_filebeat.yml

--- filebeat/filebeat.yml.orig    2017-02-09 15:20:52 UTC
+++ filebeat/filebeat.yml
@@ -112,3 +112,5 @@ output.elasticsearch:
 # To enable all selectors use ["*"]. Examples of other selectors are "beat",
 # "publish", "service".
 #logging.selectors: ["*"]
+logging.to_syslog: true
+logging.to_files: false