● networking.service - Raise network interfaces
   Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor preset: enabled)
  Drop-In: /run/systemd/generator/networking.service.d
           └─50-insserv.conf-$network.conf
   Active: active (exited) since So 2016-11-13 20:18:50 CET; 29min ago
     Docs: man:interfaces(5)
  Process: 989 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=0/SUCCESS)
  Process: 983 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] && [ -n "$(ifquery --read-environment --list --exclude=lo)" ] && udevadm settle (code=exited, status=1/FAILURE)
 Main PID: 989 (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/networking.service

Nov 13 20:18:50 dirk-Z87-HD3 systemd[1]: Starting Raise network interfaces...
Nov 13 20:18:50 dirk-Z87-HD3 systemd[983]: networking.service: Executing: /bin/sh -c '[ "$CONFIGURE_INTERFACES" != "no" ] && [ -n "$(ifquery --read-environment --list --exclude=lo)" ] && udevadm settle'
Nov 13 20:18:50 dirk-Z87-HD3 systemd[1]: networking.service: Child 983 belongs to networking.service
Nov 13 20:18:50 dirk-Z87-HD3 systemd[1]: networking.service: Control process exited, code=exited status=1
Nov 13 20:18:50 dirk-Z87-HD3 systemd[1]: networking.service: Got final SIGCHLD for state start-pre.
Nov 13 20:18:50 dirk-Z87-HD3 systemd[1]: networking.service: About to execute: /sbin/ifup -a --read-environment
Nov 13 20:18:50 dirk-Z87-HD3 systemd[1]: networking.service: Forked /sbin/ifup as 989
Nov 13 20:18:50 dirk-Z87-HD3 systemd[1]: networking.service: Changed start-pre -> start
Nov 13 20:18:50 dirk-Z87-HD3 systemd[989]: networking.service: Executing: /sbin/ifup -a --read-environment
Nov 13 20:18:50 dirk-Z87-HD3 systemd[1]: Started Raise network interfaces.