upgrade 15.04 -> 15.10 failed, package octave 4.0.0-3ubuntu5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Jan Rudolph]

was not able to complete the upgrade from 15.04 to 15.10

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: octave 4.0.0-3ubuntu5
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
Date: Wed Oct 28 16:35:55 2015
DuplicateSignature: package:octave:4.0.0-3ubuntu5:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2015-06-19 (131 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5
 apt 1.0.10.2ubuntu1
SourcePackage: octave
Title: package octave 4.0.0-3ubuntu5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to wily on 2015-10-28 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Mike Miller (mtmiller)]

Do you happen to have a locally built Octave installed at /usr/local/bin/octave? If so, please try removing that installation before upgrading, or remove it and then "dpkg --configure -a".

[Launchpad Janitor (janitor)]

[Expired for octave (Ubuntu) because there has been no activity for 60 days.]