Comment 10 for bug 1562733

Julian, please see:
https://asciinema.org/a/1xwbdc2r2qcdbby1qpucmztvb

I do not know, but these problems with apt-get are almost making me go back to 14.04

other related problems:
https://bugs.launchpad.net/ubuntu/+source/update-notifier/+bug/1570141