Port Isolation should be added to this table: https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/administration_guide/chap-logical_networks#Logical_Network_General_Settings_Explained
Didn't make it in for 4.4.3 and wasn't re-planned for 4.4.4. Resetting target milestone for re-evaluation.
merged and published