Description of problem:

Because vdpa devices are 2 layers below the pf as opposed to one layer for standard sriov, the whitelist is not passing the devices.

Workaround:
sed -i 's/passthrough_whitelist={\"address\":\"06:00.[0-9]\",\"physical_network\"/passthrough_whitelist={\"physical_network\"/' /etc/nova/nova.conf

Version-Release number of selected component (if applicable):
master branch