Hi, Robert, Irenab does your patches are properly seting up the topic, like pci-passthrough-sriov? all SRIOV patch need this tag i think , help people find this set of patch to review. https://review.openstack.org/#/q/status:open+project:openstack/nova+branch:master+topic:bp/pci-passthrough-sriov,n,z Yongli He