package mysql-server-5.5 5.5.43-0ubuntu0.12.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

During upgrade

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: mysql-server-5.5 5.5.43-0ubuntu0.12.04.1
ProcVersionSignature: Ubuntu 3.2.0-84.121-generic 3.2.68
Uname: Linux 3.2.0-84-generic i686
ApportVersion: 2.0.1-0ubuntu17.9
Architecture: i386
Date: Tue May 26 13:04:23 2015
DuplicateSignature: package:mysql-server-5.5:5.5.43-0ubuntu0.12.04.1:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
Logs.var.log.daemon.log:

MarkForUpload: True
MySQLConf.etc.mysql.conf.d.mysqld.safe.syslog.cnf:
 [mysqld_safe]
 syslog
MySQLVarLibDirListing: ['achievo', 'phpmyadmin', 'online@002dexam', 'test', 'debian-5.5.flag', 'debian-5.1.flag', 'performance_schema', 'ib_logfile1', 'mysql_upgrade_info', 'gjimtjoomla', 'gjimtwp', 'gjimt', 'ib_logfile0', 'ibdata1', 'ole', 'mysql']
SourcePackage: mysql-5.5
Title: package mysql-server-5.5 5.5.43-0ubuntu0.12.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-08-29 (999 days ago)