package ffmpeg 4:0.8.1-0ubuntu2 failed to install/upgrade: trying to overwrite '/usr/share/man/man1/ffmpeg.1.gz', which is also in package libav-tools 4:0.8.1-0ubuntu3

[Spinaker]

At the time of a simple update

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: ffmpeg 4:0.8.1-0ubuntu2
ProcVersionSignature: Ubuntu 3.4.0-5.11-generic 3.4.0
Uname: Linux 3.4.0-5-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.1.1-0ubuntu2
Architecture: amd64
Date: Sun Jun 10 15:41:18 2012
DuplicateSignature:
 Unpacking replacement ffmpeg ...
 dpkg: error processing /var/cache/apt/archives/ffmpeg_4%3a0.8.1-0ubuntu3_amd64.deb (--unpack):
  trying to overwrite '/usr/share/man/man1/ffmpeg.1.gz', which is also in package libav-tools 4:0.8.1-0ubuntu3
ErrorMessage: trying to overwrite '/usr/share/man/man1/ffmpeg.1.gz', which is also in package libav-tools 4:0.8.1-0ubuntu3
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120309)
PackageArchitecture: all
SourcePackage: libav
Title: package ffmpeg 4:0.8.1-0ubuntu2 failed to install/upgrade: trying to overwrite '/usr/share/man/man1/ffmpeg.1.gz', which is also in package libav-tools 4:0.8.1-0ubuntu3
UpgradeStatus: Upgraded to quantal on 2012-06-08 (2 days ago)

[Launchpad Janitor (janitor)]

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