[VOL-4774] openonuAdapterGo: Panic during scale test

Change-Id: I983eeed5d63b5a778bfc22485d319a55acdbab46
diff --git a/internal/pkg/core/device_handler.go b/internal/pkg/core/device_handler.go
index af7fef3..53db879 100755
--- a/internal/pkg/core/device_handler.go
+++ b/internal/pkg/core/device_handler.go
@@ -2131,7 +2131,7 @@
 	return nil
 }
 
-func (dh *deviceHandler) updateInterface(ctx context.Context, onuind *oop.OnuIndication) error {
+func (dh *deviceHandler) UpdateInterface(ctx context.Context) error {
 	//state checking to prevent unneeded processing (eg. on ONU 'unreachable' and 'down')
 	// (but note that the deviceReason may also have changed to e.g. TechProf*Delete_Success in between)
 	if dh.getDeviceReason() != cmn.DrStoppingOpenomci {
diff --git a/internal/pkg/core/openonu.go b/internal/pkg/core/openonu.go
index 96c13aa..d611a87 100755
--- a/internal/pkg/core/openonu.go
+++ b/internal/pkg/core/openonu.go
@@ -898,7 +898,7 @@
 			}
 			return &empty.Empty{}, nil
 		} else if (onuOperstate == "down") || (onuOperstate == "unreachable") {
-			if err := handler.updateInterface(ctx, onuIndication); err != nil {
+			if err := handler.UpdateInterface(ctx); err != nil {
 				return nil, err
 			}
 			return &empty.Empty{}, nil