package libc6-dev-i386 (not installed) failed to install/upgrade: trying to overwrite '/usr/include/bits', which is also in package libc6-dev-amd64 2.19-0ubuntu6.6

[David]

I don't know what I'm doing. I'm just trying to get steam-launcher working!

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libc6-dev-i386 (not installed)
ProcVersionSignature: Ubuntu 3.16.0-31.43~14.04.1-generic 3.16.7-ckt5
Uname: Linux 3.16.0-31-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
Date: Sat Mar 14 14:00:19 2015
DuplicateSignature: package:libc6-dev-i386:(not installed):trying to overwrite '/usr/include/bits', which is also in package libc6-dev-amd64 2.19-0ubuntu6.6
ErrorMessage: trying to overwrite '/usr/include/bits', which is also in package libc6-dev-amd64 2.19-0ubuntu6.6
InstallationDate: Installed on 2015-03-14 (0 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: eglibc
Title: package libc6-dev-i386 (not installed) failed to install/upgrade: trying to overwrite '/usr/include/bits', which is also in package libc6-dev-amd64 2.19-0ubuntu6.6
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.