Same happened to me with daily images. Attaching log for analysis.
Running apt-cdrom from a console: ~# /target/usr/bin/apt-cdrom fails with a message it can open a shared library - libapt-pkg.so.4.12. Also image attached. -- Melhores cumprimentos/Best regards, Miguel Figueiredo
syslog.gz
Description: GNU Zip compressed data
<<attachment: fail.png>>