How to configure sticky routes based on x-forwarded-for header in OpenShift 4?

Issue

• There is a use case where the http route needs to be stateful (sticky) to make sure the visitor always returns to the same pod (as long the pod exists). Is there any way to make the HAProxy to use balance: source but look at the ip address in the x-forwarded-for header instead of the source ip seen by HAProxy?