Verified using 8.0.0-11. There are some known issues: Connection between 'SR-IOV VM' to 'non SR-IOV VM' only works on the same network. If there are on different networks connected to a router - there is no connection. It's also not possible to attach a floating IP to SR-IOV port.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2018:2086