Verified according to https://bugzilla.redhat.com/show_bug.cgi?id=1541494#c7 all ports created on compute and on controllers, all created successfully. Tested on latest OSP13 with python2-ovsdbapp-0.10.1-1.el7ost.noarch
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