Connecting to Multiple Interfaces is Broken

[stephenrauch]

When connecting to multiple interfaces, this library is currently treating those interfaces as the same network. This is very broken, as any single broadcast domain must be treated independently. Any service name is only unique on a single broadcast domain and to assume otherwise does not work. If connecting on multiple interfaces, then the name spaces must not be combined. (there are other issues with this approach, but one show stopper is enough, I won't bother describing others)

Workaround:

This library should always have a specific interface address specified when initializing a ZeroConf() instance on a multi-homed host. The only exception would be when the ZeroConf() instance will only be used for browsing for services, and then only if connecting on a multi-homed host in which only one interface can have zeroconf services.