package ca-certificates 20160104ubuntu1 failed to install/upgrade: triggers looping, abandoned

Hello
It when i accept upgrade from 14.04.4 to 16.04.1
I don't known if it is a problem of trigger.
This bug is collected just after reboot on 16.04.1

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: ca-certificates 20160104ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Mon Aug 1 17:08:48 2016
ErrorMessage: triggers looping, abandoned
InstallationDate: Installed on 2015-11-02 (273 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: ca-certificates
Title: package ca-certificates 20160104ubuntu1 failed to install/upgrade: triggers looping, abandoned
UpgradeStatus: Upgraded to xenial on 2016-08-01 (0 days ago)