[VOL-5488] fetch nni-port ID from voltdevice

Change-Id: I12a81dbb4e45cb4728f49d1d6324afc1ed6260b1
Signed-off-by: Akash Reddy Kankanala <akash.kankanala@radisys.com>
diff --git a/internal/pkg/application/igmpprofiles.go b/internal/pkg/application/igmpprofiles.go
index f26e33b..673dacc 100644
--- a/internal/pkg/application/igmpprofiles.go
+++ b/internal/pkg/application/igmpprofiles.go
@@ -565,7 +565,7 @@
 	if err != nil {
 		return nil, err
 	}
-	nniPortID, err1 := GetApplication().GetPortID(nniPort)
+	nniPortID, err1 := GetApplication().GetDevicePortID(device, nniPort)
 	if err1 != nil {
 		return nil, errors.New("Unknown NNI outport")
 	}