Only send UNI_ADDED events for enabled UNI ports

Change-Id: I61da4f79529e223f505c20351bab2327ab47494e
diff --git a/app/src/main/java/org/opencord/olt/impl/Olt.java b/app/src/main/java/org/opencord/olt/impl/Olt.java
index 29f070f..c3a6f73 100644
--- a/app/src/main/java/org/opencord/olt/impl/Olt.java
+++ b/app/src/main/java/org/opencord/olt/impl/Olt.java
@@ -626,6 +626,7 @@
                     // Send UNI_ADDED events for all existing ports
                     deviceService.getPorts(devId).stream()
                             .filter(Olt.this::isUni)
+                            .filter(Port::isEnabled)
                             .forEach(p -> post(new AccessDeviceEvent(
                                     AccessDeviceEvent.Type.UNI_ADDED, devId, p)));