VOL-2764 - default log level to warning

Change-Id: If934ccb522d890e2102283f32d443893468d69f0
diff --git a/cmd/ofagent/config.go b/cmd/ofagent/config.go
index 0147cad..a33e1f2 100644
--- a/cmd/ofagent/config.go
+++ b/cmd/ofagent/config.go
@@ -115,7 +115,7 @@
 
 	flag.IntVar(&(config.KVStorePort), "kv_store_port", 2379, "KV store port")
 
-	flag.StringVar(&(config.LogLevel), "log_level", "DEBUG", "Log level")
+	flag.StringVar(&(config.LogLevel), "log_level", "WARN", "Log level")
 
 	containerName := getContainerInfo()
 	if len(containerName) > 0 {