These's are comprehensive because a lot of the startup logic is about
picking a local address, and it's difficult to do test that on a single
host. They cover the other variables surrounding mon bringing up, though:
- part of initial monmap, or not
- new nodes given all prior nodes, or not
- new nodes have self included in monmap seed, or not
- initial quorum members
Signed-off-by: Sage Weil <sage@inktank.com>
