deb - client - Ubuntu removal of package fails slightly

[Rydekull]

root@client4:~# dpkg -P sshupdated
(Reading database ... 158882 files and directories currently installed.)
Removing sshupdated ...

• Stopping OpenBSD Secure Shell server sshupdated [ OK ]
  update-rc.d: /etc/init.d/sshupdated exists during rc.d purge (use -f to force)
  dpkg: error processing sshupdated (--purge):
  subprocess installed pre-removal script returned error exit status 1
  System start/stop links for /etc/init.d/sshupdated already exist.
• Starting sshupdate - Using OpenBSD Secure Shell server sshupdated [ OK ]
  Errors were encountered while processing:
  sshupdated

Find fix that works both on debian and latest ubuntu.