package squid3 3.5.12-1ubuntu7 failed to install/upgrade: dependency problems - leaving triggers unprocessed

[Machado]

After upgrade to 16.04, console/text in starting.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: squid3 3.5.12-1ubuntu7
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
Date: Fri Apr 22 09:31:13 2016
ErrorMessage: dependency problems - leaving triggers unprocessed
InstallationDate: Installed on 2014-10-18 (551 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1
 apt 1.2.10ubuntu1
SourcePackage: squid3
Title: package squid3 3.5.12-1ubuntu7 failed to install/upgrade: dependency problems - leaving triggers unprocessed
UpgradeStatus: Upgraded to xenial on 2016-04-22 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.