NetworkPolicy with Egress policyType is resulting in SDN errors and improper communication within Project in OpenShift 4

Issue

• NetworkPolicy with Egress policyType is resulting in SDN errors and improper communication within Project

• The following errors are repeating the OpenShift SDN logs:

  $ oc logs <sdn pod> -c sdn -n openshift-sdn
  I1209 01:24:01.738089 4106341 pod.go:508] CNI_ADD hsts/web-0 got IP 10.131.1.97, ofport 1875
  I1209 01:24:01.763042 4106341 ovs.go:158] Error executing ovs-ofctl: ovs-ofctl: -:2: 0/0: invalid IP address
  I1209 01:24:02.282660 4106341 ovs.go:158] Error executing ovs-ofctl: ovs-ofctl: -:2: 0/0: invalid IP address
  I1209 01:24:02.929075 4106341 ovs.go:158] Error executing ovs-ofctl: ovs-ofctl: -:2: 0/0: invalid IP address
  I1209 01:24:03.730945 4106341 ovs.go:158] Error executing ovs-ofctl: ovs-ofctl: -:2: 0/0: invalid IP address
  I1209 01:24:04.736159 4106341 ovs.go:158] Error executing ovs-ofctl: ovs-ofctl: -:2: 0/0: invalid IP address
  I1209 01:24:05.977063 4106341 ovs.go:158] Error executing ovs-ofctl: ovs-ofctl: -:2: 0/0: invalid IP address
  I1209 01:24:07.524868 4106341 ovs.go:158] Error executing ovs-ofctl: ovs-ofctl: -:2: 0/0: invalid IP address
  I1209 01:24:09.454298 4106341 ovs.go:158] Error executing ovs-ofctl: ovs-ofctl: -:2: 0/0: invalid IP address
  I1209 01:24:11.861189 4106341 ovs.go:158] Error executing ovs-ofctl: ovs-ofctl: -:2: 0/0: invalid IP address
  I1209 01:24:14.867488 4106341 ovs.go:158] Error executing ovs-ofctl: ovs-ofctl: -:2: 0/0: invalid IP address
  E1209 01:24:14.867721 4106341 networkpolicy.go:311] Error syncing OVS flows for VNID: timed out waiting for the condition
  

• Why pods running in the same project cannot communicate while a NetworkPolicy is present?