To Reproduce:

1. Build and run the attached project (or just a the NetworkManager UI object to an empty project).
2. Try setting up match betweeen several devices over the matchmaker:
-Enable Match Maker
-Create Internet Match
-Join it from another device

Observe that the connection fails with :

"getaddrinfo: nodename nor servname provided, or not known"
(this error is only thrown on iOS, on MacEditor it seems to just fail silently and time out after some time)

on the second device. This works fine on ipv4 networks.

Reproduced on:

Version 5.5.0a5 (fd625b0c0421)
Tue, 26 Jul 2016 08:45:37 GMT
Branch: trunk

Version 5.4.0f3 (ef4d978f043a)
Mon, 25 Jul 2016 14:58:33 GMT
Branch: 5.4/staging