This is a pretty serious bug: it's in an LTS release, breaks a completely clean install, and the workarounds involve going around the package manager and negating the distribution. According to the effective 'upstream' -- Debian's Pirate Praveen -- it's been fixed since his -dfsg10 version. So potentially all it would need is a sync of this Debian minor version to resolve this.
This is a pretty serious bug: it's in an LTS release, breaks a completely clean install, and the workarounds involve going around the package manager and negating the distribution. According to the effective 'upstream' -- Debian's Pirate Praveen -- it's been fixed since his -dfsg10 version. So potentially all it would need is a sync of this Debian minor version to resolve this.