Support connecting to multiple OpenFlow controllers

Change-Id: I0989d5031fb2d4f5aa78ba0e4576e465f826a419
diff --git a/internal/pkg/openflow/feature.go b/internal/pkg/openflow/feature.go
index 5eb8fa0..82353db 100644
--- a/internal/pkg/openflow/feature.go
+++ b/internal/pkg/openflow/feature.go
@@ -24,7 +24,7 @@
 	"github.com/opencord/voltha-protos/v3/go/common"
 )
 
-func (ofc *OFClient) handleFeatureRequest(request *ofp.FeaturesRequest) error {
+func (ofc *OFConnection) handleFeatureRequest(request *ofp.FeaturesRequest) error {
 	if logger.V(log.DebugLevel) {
 		js, _ := json.Marshal(request)
 		logger.Debugw("handleFeatureRequest called",