juju/juju — pull request #184 by axw (2014-06-27 05:34:15+00:00)
Title: state.address.NetworkScope was renamed to

Scope, with no explicit bson field name
specified. This is a schema change, and
broke upgrade from 1.18 to 1.19.

Fixes https://bugs.launchpad.net/juju-core/+bug/1334773