SDN-IP: restrict egress port from ingress port list of MP2SP intent.

The MP2SP intent doesn't support having the egress port in the in ingress
port list.

Change-Id: I84471b9fce9c1dc072f3dce3d907ba86ba65a575
diff --git a/apps/sdnip/src/main/java/org/onosproject/sdnip/SdnIpFib.java b/apps/sdnip/src/main/java/org/onosproject/sdnip/SdnIpFib.java
index f326d70..1b6c7fa 100644
--- a/apps/sdnip/src/main/java/org/onosproject/sdnip/SdnIpFib.java
+++ b/apps/sdnip/src/main/java/org/onosproject/sdnip/SdnIpFib.java
@@ -171,6 +171,7 @@
         // TODO this should be only peering interfaces
         interfaceService.getInterfaces().stream()
                 .filter(intf -> !intf.equals(egressInterface))
+                .filter(intf -> !intf.connectPoint().equals(egressPort))
                 .forEach(intf -> {
                     ingressInterfaces.add(intf);
                     ConnectPoint ingressPort = intf.connectPoint();