Fix host port used for WhoAmI
Fix host port used for WhoAmI

This was discovered trying to run all of the tests with IPv6

RxBroadcast/RxBroadcast,RxBroadcast/RxBroadcast,whymarrh/RxBroadcast,RxBroadcast/RxBroadcast,whymarrh/RxBroadcast,RxBroadcast/RxBroadcast