Wrong base name creates an entry in the vms list

[pelletier]

[thomas@Thomas-MBP] ~
> vm add graphite lucid32
Password for sudo?
Password:
There was a problem with the configuration of Vagrant. The error message(s)
are printed below:

vm:
* The box 'lucid32' could not be found.


Virtual machine successfully created
[thomas@Thomas-MBP] ~
> vm add graphite base   
A virtual machine with the same name already exists.