This is a bug in the code that is triggered by certain /etc/fstab entries, its fixed now and you should be able to upgrade now.
If its still failing, please check that /var/log/dist-upgrade/main.log contains version 1:0.152.25.1 (that is the version with the
fix).
Thanks for your bugreport.
This is a bug in the code that is triggered by certain /etc/fstab entries, its fixed now and you should be able to upgrade now. dist-upgrade/ main.log contains version 1:0.152.25.1 (that is the version with the
If its still failing, please check that /var/log/
fix).