In zesty, postinst has: deb-systemd-invoke $_dh_action apt-daily-upgrade.timer apt-daily.timer >/dev/null || true
maybe my instance was still booting hence this did not work. Will troubleshoot zesty more.
In zesty, postinst has: upgrade. timer apt-daily.timer >/dev/null || true
deb-systemd-invoke $_dh_action apt-daily-
maybe my instance was still booting hence this did not work. Will troubleshoot zesty more.