package mysql-client-core-5.7 5.7.20-0ubuntu0.16.04.1 failed to install/upgrade: package mysql-client-core-5.7 is already installed and configured

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ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: mysql-client-core-5.7 5.7.20-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.10.0-42.46~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-42-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.14
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
Date: Fri Dec 8 12:15:43 2017
DuplicateSignature:
 package:mysql-client-core-5.7:5.7.20-0ubuntu0.16.04.1
 Processing triggers for mime-support (3.59ubuntu1) ...
 dpkg: error processing package mysql-client-core-5.7 (--configure):
  package mysql-client-core-5.7 is already installed and configured
ErrorMessage: package mysql-client-core-5.7 is already installed and configured
InstallationDate: Installed on 2017-12-07 (0 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
Logs.var.log.daemon.log:

MySQLConf.etc.mysql.conf.d.mysql.cnf: [mysql]
MySQLConf.etc.mysql.conf.d.mysqldump.cnf:
 [mysqldump]
 quick
 quote-names
 max_allowed_packet = 16M
MySQLConf.etc.mysql.mysql.conf.d.mysqld_safe_syslog.cnf:
 [mysqld_safe]
 syslog
MySQLVarLibDirListing: ['ib_buffer_pool', 'mysql_upgrade_info', 'ib_logfile0', 'auto.cnf', 'debian-5.7.flag', 'sys', 'ibdata1', 'performance_schema', 'ibtmp1', 'ib_logfile1', 'mysql']
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.10.0-42-generic root=UUID=6a5d447f-c9a1-45eb-9fc9-da1a246238c5 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.3
 apt 1.2.24
SourcePackage: dpkg
Title: package mysql-client-core-5.7 5.7.20-0ubuntu0.16.04.1 failed to install/upgrade: package mysql-client-core-5.7 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)