I am getting auto-discovered Network-Rules with "From" set to "Workload:10.42.0.0" and "Workload:ingress". But I cannot write custom rules with "Workload:10.42.0.0" in the From field. Is this a bug? Should it be possible to set "Workload:ingress" or "Workload:10.42.0.0" in a custom rule?