package ntop not installed failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[OpenFerret]

Not entirely sure why this failed.

Tried to install ntop on Dell XPS 13 (9333). Only has wireless interface (wlp2s0).

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: ntop (not installed)
ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6
Uname: Linux 4.2.0-22-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Wed Dec 30 12:33:38 2015
DuplicateSignature: package:ntop:(not installed):subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2015-12-29 (0 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu1
SourcePackage: ntop
Title: package ntop (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)