package sheepdog 0.8.1-4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

release Ubuntu 14.10
version of package 0.8.1-4

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: sheepdog 0.8.1-4
ProcVersionSignature: Ubuntu 3.16.0-31.41-generic 3.16.7-ckt5
Uname: Linux 3.16.0-31-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.2
Architecture: amd64
Date: Thu Feb 26 22:04:41 2015
DuplicateSignature: package:sheepdog:0.8.1-4:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-11-28 (93 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: sheepdog
Title: package sheepdog 0.8.1-4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to utopic on 2014-12-28 (63 days ago)