Comment 5 for bug 1131418

Raphaël, unfortunately we cannot reproduce this any more and as we were in the middle of a delivery we had to rebuild MAAS.

We didn't use tags, we used constraints (not sure if that goes to the Tag django model too?) and the only constraint we use was "maas-name=node-name" before juju deploy and before juju add-unit and then we cleared it by setting the constraint "maas-name=".