Nameserver limits were exceeded when deploying Red Hat CoreOS from Red Hat OpenStack

Issue

• The logs for the kube-controller-manager pods contain the following error message when deploying OpenShift Container Platform 4.1, 4.2, or 4.3 with Red Hat Enterprise Linux CoreOS on Red Hat OpenStack when more than 3 nameservers are configured.

Nameserver limits were exceeded, some nameservers have been omitted, the applied nameserver line is...