Test Discovery.ipaddress & add labeled private network support

We discovered that we could drive trucks through this thing.

![work 6176854 1 mtd 375x360 n s vglnahqgu3f1zwv6zq ffffff](https://cloud.githubusercontent.com/assets/149630/3391126/fb26d552-fca6-11e3-8cbb-8da6d14a9d02.jpg)