I have virtual PaloAlto firewalls in Azure. The firewalls are fully discovered in Solarwinds, and all the interfaces are listed, with commits, etc.... But, the interface traffic is showing all zeros. My hardware PaloAlto firewalls show data for the interfaces, just missing all the VM information.
Orion Platform 2018.4 HF3, NCM 7.9, NPM 12.4, NTA 4.2.3, NetPath 1.1.4