Bug#312093:

[Joergen Scheibengruber]

> The "Netspeed Preferences" dialog allows chosing the "Network device"
> from a list of devices in a dropdown box. On this system, the same
> interface shows up multiple times, and selecting different versions for
> the same device makes no noticeable difference.
> 
> I suggest getting rid of the multiple interface.

So do I understand this correctly: The solution to this would simply be
to remove duplicates from the list of devices?

That's easy to fix :)

Regards,
Jörgen (Author of netspeed)