package mysql-server-5.5 5.5.44-0ubuntu0.14.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

i dont know, machine started with the bug occuring.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: mysql-server-5.5 5.5.44-0ubuntu0.14.04.1
ProcVersionSignature: Ubuntu 3.19.0-28.30~14.04.1-generic 3.19.8-ckt5
Uname: Linux 3.19.0-28-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.13
Architecture: amd64
Date: Tue Sep 22 13:05:23 2015
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2015-09-06 (16 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
Logs.var.log.daemon.log:

MySQLConf.etc.mysql.conf.d..keepme:
MySQLConf.etc.mysql.conf.d.mysqld.safe.syslog.cnf:
 [mysqld_safe]
 syslog
MySQLVarLibDirListing: ['ib_logfile0', 'debian-5.5.flag', 'test', 'mysql_upgrade_info', 'performance_schema', 'mysql', 'ibdata1', 'ib_logfile1']
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-3.19.0-28-generic root=UUID=1189bd06-86f8-4ffa-b51d-cccbecad5626 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.4
 apt 1.0.1ubuntu2.10
SourcePackage: mysql-5.5
Title: package mysql-server-5.5 5.5.44-0ubuntu0.14.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)