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