Error: command ['systemctl', 'status', '--full', 'isc-dhcp-server.service'] failed with exit code 3: ● isc-dhcp-server.service - ISC DHCP IPv4 server
   Loaded: loaded (/lib/systemd/system/isc-dhcp-server.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since gio 2016-09-22 09:40:58 CEST; 1min 47s ago
     Docs: man:dhcpd(8)
 Main PID: 2153 (code=exited, status=1/FAILURE)

set 22 09:40:58 slap sh[2153]: Not configured to listen on any interfaces!
set 22 09:40:58 slap sh[2153]: If you think you have received this message due to a bug rather
set 22 09:40:58 slap sh[2153]: than a configuration issue please read the section on submitting
set 22 09:40:58 slap sh[2153]: bugs on either our web page at www.isc.org or in the README file
set 22 09:40:58 slap sh[2153]: before submitting a bug.  These pages explain the proper
set 22 09:40:58 slap sh[2153]: process and the information we find helpful for debugging..
set 22 09:40:58 slap sh[2153]: exiting.
set 22 09:40:58 slap systemd[1]: isc-dhcp-server.service: Main process exited, code=exited, status=1/FAILURE
set 22 09:40:58 slap systemd[1]: isc-dhcp-server.service: Unit entered failed state.
set 22 09:40:58 slap systemd[1]: isc-dhcp-server.service: Failed with result 'exit-code'.
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Error: command ['systemctl', 'status', '--full', 'ntp.service'] failed with exit code 3: ● ntp.service - LSB: Start NTP daemon
   Loaded: loaded (/etc/init.d/ntp; generated; vendor preset: enabled)
   Active: failed (Result: exit-code) since gio 2016-09-22 09:41:13 CEST; 1min 31s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 4119 ExecStart=/etc/init.d/ntp start (code=exited, status=5)

set 22 09:41:13 slap systemd[1]: Starting LSB: Start NTP daemon...
set 22 09:41:13 slap systemd[1]: ntp.service: Control process exited, code=exited status=5
set 22 09:41:13 slap systemd[1]: Failed to start LSB: Start NTP daemon.
set 22 09:41:13 slap systemd[1]: ntp.service: Unit entered failed state.
set 22 09:41:13 slap systemd[1]: ntp.service: Failed with result 'exit-code'.