Comment 4 for bug 1747347

Is it possible to get a reproducer bundle? Alternately, would a bundle like:

```
applications:
  rabbit:
    charm: cs:openstack-charmers-next/rabbitmq-server
    num_units: 3
```

be enough of a reproducer? Without a reproducer, it'll be difficult to track down what this issue could be, and whether it is a potential charm or upstream issue.

Looking briefly through the Juju unit logs, I notice the line:

min-cluster-size is not defined, race conditions may occur if this is not a single unit deployment.

In a clustered deployment, the min-cluster-size configuration option is fairly important, as it communicates to the charms what to expect with regards to cluster sizing. I don't think that it would cause random failures as seen here but I'm not 100% sure of the implication of having that incorrect post-bootstrap.