diff --git a/kernel/util/net.go b/kernel/util/net.go
index 6a6ca030a..377e01442 100644
--- a/kernel/util/net.go
+++ b/kernel/util/net.go
@@ -42,7 +42,7 @@ func IsOnline() (ret bool) {
 
 	ret = nil == err && nil != resp && nil != resp.Response
 	if !ret {
-		logging.LogWarnf("network is offline")
+		logging.LogWarnf("network is offline: %v", err)
 	}
 	return
 }