package postgres-xc (not installed) failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1

[Noam Hofshi]

Seem to have happened without anything unusual running in the BG

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: postgres-xc (not installed)
ProcVersionSignature: Ubuntu 4.4.0-62.83~14.04.1-generic 4.4.40
Uname: Linux 4.4.0-62-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.23
Architecture: amd64
Date: Mon Feb 27 12:03:02 2017
DuplicateSignature: package:postgres-xc:(not installed):subprocess installed pre-removal script returned error exit status 1
ErrorMessage: subprocess installed pre-removal script returned error exit status 1
InstallationDate: Installed on 2017-02-01 (33 days ago)
InstallationMedia: Ubuntu 14.04.5 LTS "Trusty Tahr" - Release amd64 (20160803)
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.7
 apt 1.0.1ubuntu2.17
SourcePackage: postgres-xc
Title: package postgres-xc (not installed) failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)