Description of problem: Is not possible to successfully run tempest scenario tests with OVN provider driver because the algorithm used for test is hardcoded to be ROUND_ROBIN.
The change has been send and waiting for review: https://review.opendev.org/#/c/672264/
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/RHBA-2020:2155