Creating a guest network from powerline adapters

Just created a guest network with my Asus DSL-AC88U but its only available from the router not the powerline/wifi adapter I have installed in the annex. Whole point of this was so guests at my airbnb would have a guest network but for some reason the guest SSID only emits from the main router.

All my powerlines have been sync'd up and the wifi SSIDs have been cloned

Any ideas how to fix this short of un-cloning that particular powerline?

In theory if I get all this to work, how do i...

Creating a guest network from powerline adapters