Merge pull request #1435 from thomasferrandiz/fix-config-error-msg

Add error message when the config is missing at startup

cmd/multus-daemon/main.go

@@ -61,6 +61,7 @@ func main() {
 
 	daemonConf, err := cniServerConfig(*configFilePath)
 	if err != nil {
+		logging.Panicf("startMultusDaemon failed to load the CNI server configuration: %v", err)
 		os.Exit(1)
 	}