Verified on OSP13 puddle 2020-02-10.8, which included openstack-tripleo-heat-templates-8.4.1-38 CI job passed: https://rhos-qe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/view/DFG/view/network/view/networking-ovn/job/DFG-network-networking-ovn-13_director-rhel-virthost-3cont_2comp_3net-ipv4-geneve-composable/31/ In this CI job, OSP13 is deployed with OVN configured on 3 controllers and 3 networkers (and 2 computes). Role segregation is applied as described in this bug's description, between controller and compute nodes.
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-2020:0760