In the RHOSO installation guide, section 5.3 there is a broken link in the last paragraph of bullet number 9 where it reads

For alternative templates, see roles/edpm_network_config/templates. For more information about data plane network configuration, see Customizing data plane networks in the Configuring network services guide. 

Documentation URL: https://docs.redhat.com/en/documentation/red_hat_openstack_services_on_openshift/18.0/html/deploying_red_hat_openstack_services_on_openshift/assembly_creating-the-data-plane#proc_creating-an-OpenStackDataPlaneNodeSet-CR-with-preprovisioned-nodes_dataplane

Broken URL: https://docs.redhat.com/en/documentation/red_hat_openstack_services_on_openshift/18.0/html/configuring_networking_services/customize-data-plane-networks_rhoso-cfg-network