# httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; disabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Fri 2017-03-24 09:32:50 EDT; 7min ago
     Docs: man:httpd(8)
           man:apachectl(8)
  Process: 5089 ExecStop=/bin/kill -WINCH ${MAINPID} (code=exited, status=1/FAILURE)
  Process: 5087 ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND (code=exited, status=1/FAILURE)
 Main PID: 5087 (code=exited, status=1/FAILURE)

Mar 24 09:32:50 localhost.localdomain kill[5089]: kill: cannot find process ""