Unable to set CoreDNS forwarding policy via the DNS operator in Red Hat OpenShift Container Platform 4

Issue

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• By default, the CoreDNS forwarding policy will load balance at random across the healthy DNS servers. There are other options to use round-robin or sequential load balancing across the different upstreams by using the policy option.
• There currently is not an option to set this CoreDNS forward policy configuration in the DNS Operator according to the following documentation.