package dropbear 2014.65-1ubuntu1.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Bartłomiej Zieliński]

Upgrade failed.

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: dropbear 2014.65-1ubuntu1.1
ProcVersionSignature: Ubuntu 3.16.0-31.43-generic 3.16.7-ckt5
Uname: Linux 3.16.0-31-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.2
Architecture: amd64
Date: Tue Mar 24 08:44:25 2015
Dependencies:
 gcc-4.9-base 4.9.1-16ubuntu6
 libc6 2.19-10ubuntu2.3
 libgcc1 1:4.9.1-16ubuntu6
 multiarch-support 2.19-10ubuntu2.3
 zlib1g 1:1.2.8.dfsg-1ubuntu1
DuplicateSignature: package:dropbear:2014.65-1ubuntu1.1:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-10-22 (152 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: dropbear
Title: package dropbear 2014.65-1ubuntu1.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to utopic on 2015-02-01 (50 days ago)