I just today (12th April 2016) ran into this bug upgrading 14.04 LTS to 15.10. I applied all available updates to 14.04 before starting the do-release-upgrade.
The upgrade failed, and pointed me to this bug. So it seems like this bug isn't fixed yet.
I just today (12th April 2016) ran into this bug upgrading 14.04 LTS to 15.10. I applied all available updates to 14.04 before starting the do-release-upgrade.
The upgrade failed, and pointed me to this bug. So it seems like this bug isn't fixed yet.