Currently, the SDK that Lago uses is (at least on my Fedora):
ovirt-engine-sdk-python-3.5.1.0-2.fc23.noarch

I think we may need to bring in a newer SDK.
1. Which one? 
2. If master - is it backward compatible to run against 3.x already? 
3. Can we have them side by side perhaps?

TIA,
Y.