axsh/wakame-vdc — pull request #168 by hansode (2013-02-14 09:16:48+00:00)
Title: dcmgr,vnet: allow arp packets from metadata-server.

if an instance and metadata-server are in same network segment, ebtable drops arp packets from metadata-server. this change will allow arp packets from metadata-server.

ex.
```
192.0.2.0/24
|
+-.2 [instance]
|
| (arp)
|
+-.10 [metadata-sv]
|
```