Currently Google Compute Engine does not offer SR-IOV. That said, SR-IOV is not strictly necessary to take advantage of Scylla's architecture. GCE offers multi-queue networking and it is possible to directly user-mode assign the virtio-net queues using Intel's DPDK. This should allow our virtio-net NIC to work with Scylla, although at least at one point DPDK made certain qemu specific assumptions