package fontconfig 2.11.94-0ubuntu1.1 failed to install/upgrade: triggers looping, abandoned

[John Campbell]

Upgrade to 4.4.0-66-generic failed with message about hal in fontconfig

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: fontconfig 2.11.94-0ubuntu1.1
ProcVersionSignature: Ubuntu 4.4.0-66.87-generic 4.4.44
Uname: Linux 4.4.0-66-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Fri Mar 24 12:42:19 2017
ErrorMessage: triggers looping, abandoned
InstallationDate: Installed on 2010-12-23 (2285 days ago)
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: fontconfig
Title: package fontconfig 2.11.94-0ubuntu1.1 failed to install/upgrade: triggers looping, abandoned
UpgradeStatus: No upgrade log present (probably fresh install)