VOL-3505 Send an ofp_error_msg on flow add/delete error

Change-Id: I3791d4ab7ae0f7730f52988234d0c99af2cea75f
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 649a9c3..a4ad903 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -117,7 +117,7 @@
 github.com/opencord/voltha-lib-go/v4/pkg/mocks/kafka
 github.com/opencord/voltha-lib-go/v4/pkg/probe
 github.com/opencord/voltha-lib-go/v4/pkg/version
-# github.com/opencord/voltha-protos/v4 v4.0.5
+# github.com/opencord/voltha-protos/v4 v4.0.7
 github.com/opencord/voltha-protos/v4/go/common
 github.com/opencord/voltha-protos/v4/go/ext/config
 github.com/opencord/voltha-protos/v4/go/extension