package resolvconf 1.77ubuntu1 failed to install/upgrade: package resolvconf is not ready for configuration cannot configure (current status 'half-installed')

[Gladys]

.

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: resolvconf 1.77ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-42.49-generic 4.2.8-ckt12
Uname: Linux 4.2.0-42-generic i686
ApportVersion: 2.19.1-0ubuntu5
AptOrdering:
 resolvconf: Configure
 NULL: ConfigurePending
Architecture: i386
Date: Mon Jul 11 11:12:09 2016
DpkgTerminalLog:
 dpkg: error processing package resolvconf (--configure):
  package resolvconf is not ready for configuration
  cannot configure (current status 'half-installed')
DuplicateSignature: package:resolvconf:1.77ubuntu1:package resolvconf is not ready for configuration cannot configure (current status 'half-installed')
ErrorMessage: package resolvconf is not ready for configuration cannot configure (current status 'half-installed')
InstallationDate: Installed on 2015-03-24 (474 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu3
SourcePackage: resolvconf
Title: package resolvconf 1.77ubuntu1 failed to install/upgrade: package resolvconf is not ready for configuration cannot configure (current status 'half-installed')
UpgradeStatus: Upgraded to wily on 2016-07-10 (0 days ago)