Comment 17 for bug 1578370

Verified on MOS 8.0 + MU3 updates.

Mysql packages were installed successfully during deployment of 8.0 with MU3 updates:
root@node-1:~# dpkg -l | grep mysql | grep 5.6.30
ii mysql-client-5.6 5.6.30-0~u14.04+mos1 amd64 MySQL database client binaries
ii mysql-client-core-5.6 5.6.30-0~u14.04+mos1 amd64 MySQL database core client binaries
ii mysql-server-wsrep-5.6 5.6.30-0~u14.04+mos1 amd64 MySQL database server binaries and system database setup
ii mysql-server-wsrep-core-5.6 5.6.30-0~u14.04+mos1 amd64 MySQL database server binaries
ii mysql-wsrep-common-5.6 5.6.30-0~u14.04+mos1 all MySQL 5.6 specific common files, e.g. /etc/mysql/conf.d/my-5.6.cnf