Multiple x264 encoding sessions with nvenc GeForce GTX 970

Gaming and Visualization Technologies General Topics and Other SDKs GPU - Hardware
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I know the GeForce GTX 970 has a per-system limit of 2 encoding sessions, but I would like to know if this also applies on a virtualized environment.

I just rented a GPU-enabled server that comes with 2 GeForce GTX 970 cards, and obviously one of them is going to be doing nothing (or both of them doing just 1 session).

If I install KVM and create 2 VMs, and passthrough one videocard to each VM, would I still hit the limit or would I be able to do a total of 4 encoding sessions?