● apache2.service - LSB: Apache2 web server
   Loaded: loaded (/etc/init.d/apache2; bad; vendor preset: enabled)
  Drop-In: /lib/systemd/system/apache2.service.d
           └─apache2-systemd.conf
   Active: failed (Result: exit-code) since Di 2017-02-21 16:11:28 CET; 1min 7s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 236 ExecStart=/etc/init.d/apache2 start (code=exited, status=1/FAILURE)

Feb 21 16:11:28 webserver apache2[236]:  *
Feb 21 16:11:28 webserver apache2[236]:  * The apache2 configtest failed.
Feb 21 16:11:28 webserver apache2[236]: Output of config test was:
Feb 21 16:11:28 webserver apache2[236]: AH00543: apache2: bad user name keving
Feb 21 16:11:28 webserver apache2[236]: Action 'configtest' failed.
Feb 21 16:11:28 webserver apache2[236]: The Apache error log may have more information.
Feb 21 16:11:28 webserver systemd[1]: apache2.service: Control process exited, code=exited status=1
Feb 21 16:11:28 webserver systemd[1]: Failed to start LSB: Apache2 web server.
Feb 21 16:11:28 webserver systemd[1]: apache2.service: Unit entered failed state.
Feb 21 16:11:28 webserver systemd[1]: apache2.service: Failed with result 'exit-code'.