package libc6-i386 2.21-0ubuntu4 failed to install/upgrade: package libc6-i386 is not ready for configuration cannot configure (current status `half-installed')

[Patrick Hock]

I'm not too familiar with Ubuntu so I don't know what this package / error means.

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: libc6-i386 2.21-0ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-23.24-generic 3.19.8-ckt2
Uname: Linux 3.19.0-23-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
Date: Mon Aug 10 20:06:17 2015
Dependencies:
 gcc-5-base 5.1~rc1-0ubuntu1
 libc6 2.21-0ubuntu4
 libgcc1 1:5.1~rc1-0ubuntu1
 multiarch-support 2.21-0ubuntu4
DuplicateSignature: package:libc6-i386:2.21-0ubuntu4:package libc6-i386 is not ready for configuration cannot configure (current status `half-installed')
ErrorMessage: package libc6-i386 is not ready for configuration cannot configure (current status `half-installed')
InstallationDate: Installed on 2015-06-04 (67 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4.1
SourcePackage: glibc
Title: package libc6-i386 2.21-0ubuntu4 failed to install/upgrade: package libc6-i386 is not ready for configuration cannot configure (current status `half-installed')
UpgradeStatus: No upgrade log present (probably fresh install)