package ca-certificates 20160104ubuntu0.15.10.1 failed to install/upgrade: ciclo nei trigger, abbandono

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ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: ca-certificates 20160104ubuntu0.15.10.1
ProcVersionSignature: Ubuntu 4.2.0-36.41-generic 4.2.8-ckt8
Uname: Linux 4.2.0-36-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Wed Apr 27 21:33:57 2016
DuplicateSignature: package:ca-certificates:20160104ubuntu0.15.10.1:ciclo nei trigger, abbandono
ErrorMessage: ciclo nei trigger, abbandono
InstallationDate: Installed on 2015-08-31 (240 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1
 apt 1.2.10ubuntu1
SourcePackage: ca-certificates
Title: package ca-certificates 20160104ubuntu0.15.10.1 failed to install/upgrade: ciclo nei trigger, abbandono
UpgradeStatus: Upgraded to xenial on 2016-04-27 (0 days ago)