[libvirt] [RFC] why netcf/libvirt lists/dumpxml only unslaved/unsubordinated interfaces?

[Daniel P. Berrange]

On Tue, Nov 15, 2016 at 02:43:37PM +0300, Nikolay Shirokovskiy wrote:
> 
> 
> On 15.11.2016 14:18, Daniel P. Berrange wrote:
> > On Tue, Nov 15, 2016 at 02:13:01PM +0300, Nikolay Shirokovskiy wrote:
> >> It could be useful to dumpxml of slaves/subordinates too to introspect
> >> host interfaces tree in dephts. Now it is not possible:
> >> 'Interface eth0 does not exist or is not a toplevel interface'.
> >> Has it some deeper meaning or netcf can be enhanced? (and *libvirt* as well).
> > 
> > The netcf API / libvirt Interface APIs are designed to work against the
> > concept of logical network connections, which may comprise multiple
> > physical interfaces. They are explicitly *not* a way to query all
> > individual physical interfaces - that's what libvirt's node device APIs
> > are for.
> > 
> 
> I donno. AFAIU you can start with bridge and unslaved physical interface. They are both
> in list and can be dumped. Then you enslave interface to the bridge via netcf's define 
> and then physical interface can not be reached anymore. If I can not change host interfaces
> tree  then it would be ok I guess.

That is expected behaviour. You originally had 2 separate logical
connections, and you've changed the system to have a single logical
connection.

Regards,
Daniel
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