anchor.diff:  
   [source,shell]
   ------------------------------------------------------------
  -packetbeat -e -c /etc/packetbeat/packetbeat.yml -d "publish"
  +packetbeat -e -d "publish"
   ------------------------------------------------------------
   
   You can enable multiple debug selectors by separating them with comas. For
  
positive.code: packetbeat -e -c /etc/packetbeat/packetbeat.conf -d "publish,mysql,mysqldetailed"
  ---------------------------------------------------------------------------------
  
  Here is the list of all available debug selectors:
  
  * http
  * httpdetailed
  
negative.code: 
  If you suspect an issue with the Packetbeat agent itself, please read the
  following tips and send us the logs and, if possible, a traffic trace.
  
  ////
  TODO: Link to the deep URL for the Beats forum.
  ////
  
  Please contact us on the https://discuss.elastic.co/[forums] or on the
  `#packetbeat` IRC channel on Freenode. We will help you troubleshoot the problem
  you are facing.
  
  If you are sure you found a bug, you can also open a ticket on
  https://github.com/elastic/packetbeat/issues?state=open[GitHub]. Note, however,
  that we close GitHub issues if they are questions or requests for help that
  don't indicate the presence of a bug.
  
  === Running in foreground and enabling debugging
  
  By default, Packetbeat sends all its output to syslog. You can use the `-e`
  command line flag to direct the output at standard error instead:
  
  [source,shell]
  -----------------------------------------------
  packetbeat -e
  -----------------------------------------------
  
  The default configuration file is `/etc/packetbeat/packetbeat.yml`. You can use
  another file by using the `-c` flag:
  
  [source,shell]
  ------------------------------------------------------------
  packetbeat -e -c /etc/packetbeat/packetbeat.yml
  ------------------------------------------------------------
  
  You can increase the verbosity by enabling one or more debug selectors. For
  example, to view which transactions are published, you can start the agent like
  