More review feedback addressed

Signed-off-by: John Gossman <johngos@microsoft.com>

daemon/daemon.go

@@ -938,8 +938,7 @@ func NewDaemonFromDirectory(config *Config, eng *engine.Engine, registryService
 
 	if !config.DisableNetwork {
 		if err := bridge.InitDriver(&config.Bridge); err != nil {
-			logrus.Errorf("Error initializing Bridge: %s", err)
-			return nil, err
+			return nil, fmt.Errorf("Error initializing Bridge: %v", err)
 		}
 	}