[PVE-User] Adding Network Cards

[Dietmar Maurer]

> On futher testing I can only get this to work only on the master node.
> Slave nodes give an error:
> Error: You do not have write access.
> 
> I had to log into the slave node directly.
> 
> Is this a bug or am I just totally missing the way to do it on slave
> nodes?

Network configuration is disabled on slave nodes. You need to edit
/etc/network/interfaces manually.

The idea is that you plan and configure your network carefully before
you create
the cluster. But maybe we should  enable that in future versions - not
sure about that?

- Dietmar