package xl2tpd (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Robert]

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ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: xl2tpd (not installed)
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
ApportVersion: 2.19.1-0ubuntu3
Architecture: amd64
Date: Thu Feb 11 00:52:55 2016
DuplicateSignature: package:xl2tpd:(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 2013-11-21 (812 days ago)
InstallationMedia: Ubuntu-Server 13.04 "Raring Ringtail" - Release amd64 (20130423.1)
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5
 apt 1.0.10.2ubuntu1
SourcePackage: xl2tpd
Title: package xl2tpd (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to wily on 2016-01-18 (24 days ago)