Note if you are on NFA 9.3.8 or an un-patched version of NFA 9.5 and are seeing that Viptela data is too high, this is addressed in NFA 10.0 and we would recommend upgrading to NFA 10.0.
We do have patches available for for 9.3.8 and 9.5 if upgrading is not an option.
If you would like those patches please open a support case and request the appropriate patches for your version of NFA:
9.3.8 request the patches below:
9.5 request the patches below: