package varnish 5.0.0-7ubuntu0.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[davidpodhola]

Install following https://www.vultr.com/docs/installing-varnish-4-with-apache2-on-ubuntu-14-04

ProblemType: Package
DistroRelease: Ubuntu 17.04
Package: varnish 5.0.0-7ubuntu0.1
ProcVersionSignature: Ubuntu 4.10.0-35.39-generic 4.10.17
Uname: Linux 4.10.0-35-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.5
AptOrdering:
 libvarnishapi1:amd64: Install
 libjemalloc1:amd64: Install
 varnish:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
Date: Thu Sep 21 16:27:53 2017
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2017-09-20 (1 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
RelatedPackageVersions:
 dpkg 1.18.10ubuntu2
 apt 1.4.6~17.04.1
SourcePackage: varnish
Title: package varnish 5.0.0-7ubuntu0.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.varnish.default.vcl: 2017-09-21T16:21:49.551817

[dino99 (9d9)]

That version is now dead
http://news.softpedia.com/news/ubuntu-17-04-zesty-zapus-has-reached-end-of-life-upgrade-to-ubuntu-17-10-now-519360.shtml