[c-nsp] IOS: catch 22 when enabling new bgp neighbors

[Vitkovský Adam]

> [neighbor 192.0.2.100 remote-as 64511 shutdown]
> 
> >Wow, you can do that? I feel really really dumb now...
> 
> so do I ;-)
> 
> 	oli
> 

Same here :D. 
That's why I love this as one can learn something new each day. 

adam