VOL-2861 replace uint64 kafka interadapter timestamps with timestamp proto

Change-Id: I7b0fe854ff7c91984237a111789603129151dba3
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/backend.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/backend.go
index 42574d0..55fda64 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/backend.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/backend.go
@@ -82,7 +82,7 @@
 	case "consul":
 		return kvstore.NewConsulClient(address, timeout)
 	case "etcd":
-		return kvstore.NewEtcdClient(address, timeout)
+		return kvstore.NewEtcdClient(address, timeout, log.WarnLevel)
 	}
 	return nil, errors.New("unsupported-kv-store")
 }