- [X] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate. - [X] I have checked the [FAQ](https://github.com/apache/dubbo/blob/master/FAQ.md) of this repository and believe that this is not a duplicate. ### Environment * Dubbo version: 2.7.11-SNAPSHOT * Operating System version: Mac OS * Java version: 1.8 ### Steps to reproduce this issue Run `org.apache.dubbo.common.utils.NetUtilsTest` ### Expected Result All testcases work well ### Actual Result 
Environment
Steps to reproduce this issue
Run
org.apache.dubbo.common.utils.NetUtilsTestExpected Result
All testcases work well
Actual Result