On Tue, Jul 5, 2016 at 5:37 AM, qinglong.dong@horebdata.cn <qinglong.dong@horebdata.cn> wrote:
Reactor thread::INFO::2016-07-04 17:52:04,607::protocoldetector::72::ProtocolDetector.AcceptorImpl::(handle_accept) Accepting connection from ::1:45016

I see you are getting connections from IPv6 and I think it should be disabled. Make sure you follow the vdsm install guidelines. 

Also can you share the output of 
```bash
vdsClient -s 0 getVdsCaps
```