Installing windows enterprise 1803 as Guest OS on 18.04 Service VM


On my custom platform I installed Ubunutu 18.04 as service VM following instructions located here ..

After I boot in my service vm am trying to installing windows as a Guest OS on 18.04 Ubuntu service VM.

Followed instructions located here..

I believe I configured shell script correctly as per instructions and now am getting GVT: init failed error. 
I have attached logs and script for the reference. 
Wondering if I need to boot with any special flags for service VMs or am I missing something very basic.


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