Reapply missing egress router pods section
Reapply missing egress router pods section

This is now a TP feature, but only partially supports the same functionality
as in OpenShift SDN.

vikram-redhat/openshift-docs,vikram-redhat/openshift-docs,vikram-redhat/openshift-docs,vikram-redhat/openshift-docs,vikram-redhat/openshift-docs