Open Stack

> Hi there,
> I need to delete subnet and net and then create new ones.
> I type command:
> quantum net-delete xxx
> quantum subnet-delete xxx

I've seen some IP's never released after the virtual machine is destroyed.
If you are absolutely sure they are not in use I usually just manually remove them from the database 
(something like: delete from ovs_quantum.ports where device_id="xxxxx"; )

Cheers,
Robert