package ppp 2.4.5-5.1ubuntu2.2 failed to install/upgrade: sub-processo novo script pre-installation retornou estado de saída de erro 1

https://bugs.launchpad.net/ubuntu/+source/ppp/+filebug/d8ec70fc-0116-11e6-acf3-68b5996a96c8?field.title=package+ppp+2.4.5-5.1ubuntu2.2+failed+to+install%2Fupgrade%3A+sub-processo+novo+script+pre-installation+retornou+estado+de+sa%C3%ADda+de+erro+1

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: ppp 2.4.5-5.1ubuntu2.2
ProcVersionSignature: Ubuntu 3.16.0-70.90~14.04.1-generic 3.16.7-ckt25
Uname: Linux 3.16.0-70-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
Date: Tue Apr 12 21:25:44 2016
DuplicateSignature: package:ppp:2.4.5-5.1ubuntu2.2:sub-processo novo script pre-installation retornou estado de saída de erro 1
ErrorMessage: sub-processo novo script pre-installation retornou estado de saída de erro 1
InstallationDate: Installed on 2015-11-27 (137 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu1
SourcePackage: ppp
Title: package ppp 2.4.5-5.1ubuntu2.2 failed to install/upgrade: sub-processo novo script pre-installation retornou estado de saída de erro 1
UpgradeStatus: Upgraded to wily on 2016-04-13 (0 days ago)