+ set -e
+ . /usr/share/debconf/confmodule
++ '[' '!' '' ']'
++ PERL_DL_NONLAZY=1
++ export PERL_DL_NONLAZY
++ '[' '' ']'
++ exec /usr/share/debconf/frontend /var/lib/dpkg/info/mysql-server-5.7.postinst configure 5.7.17-0ubuntu0.16.04.1
/usr/bin/deb-systemd-helper was not called from dpkg. Exiting.
/usr/bin/deb-systemd-helper was not called from dpkg. Exiting.
/usr/bin/deb-systemd-helper was not called from dpkg. Exiting.
insserv: warning: current start runlevel(s) (empty) of script `mysql' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `mysql' overrides LSB defaults (0 1 6).