Setting up phpmyadmin (4:4.6.6-4+deb9u2) ...
Determining localhost credentials from /etc/mysql/debian.cnf: succeeded.
dbconfig-common: writing config to /etc/dbconfig-common/phpmyadmin.conf
W: APT had planned for dpkg to do more than it reported back (0 vs 4).
   Affected packages: phpmyadmin:amd64