policy: 同步时日志调整

pkg/cloudcommon/policy/policy.go

@@ -218,10 +218,9 @@ func (manager *SPolicyManager) start(refreshInterval time.Duration, retryInterva
 }
 
 func (manager *SPolicyManager) sync() {
-	log.Debugf("start synchronize RBAC policies ...")
 	policies, adminPolicies, err := fetchPolicies()
 	if err != nil {
-		log.Errorf("sync policy fail %s", err)
+		log.Errorf("sync rbac policy failed: %s", err)
 		time.AfterFunc(manager.failedRetryInterval, manager.sync)
 		return
 	}