upstart commands should point out "service" if upstart is not running

The 'restart <service>' command does not work on default 16.04 installation.

If there is no upstart, the restart command should say the equivalent systemd command and/or should it execute.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: systemd 229-4ubuntu6
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic i686
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: i386
Date: Tue Jun 14 06:48:56 2016
MachineType: LENOVO 7666WJ5
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-24-generic root=UUID=e8264d19-08ae-46d2-b99a-d386d051d8b3 ro quiet splash
SourcePackage: systemd
SystemdDelta:
 [EXTENDED] /lib/systemd/system/systemd-timesyncd.service → /lib/systemd/system/systemd-timesyncd.service.d/disable-with-time-daemon.conf
 [EXTENDED] /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf
 [EXTENDED] /etc/systemd/system/display-manager.service → /lib/systemd/system/display-manager.service.d/xdiagnose.conf

 3 overridden configuration files found.
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/18/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 7NETB2WW (2.12 )
dmi.board.name: 7666WJ5
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7NETB2WW(2.12):bd04/18/2008:svnLENOVO:pn7666WJ5:pvrThinkPadX61s:rvnLENOVO:rn7666WJ5:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7666WJ5
dmi.product.version: ThinkPad X61s
dmi.sys.vendor: LENOVO