Can’t get ixgbevf to build on current Ubuntu AMI

Can’t get ixgbevf to build on current Ubuntu AMI

AWS docs state that you need to build the source to get enhanced networking enabled for Ubuntu AMIs:
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/sriov-networking.html#enhanced-networking-ubuntu
The current AMI for us-west-2 xenial, ami-835b4efa, 
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