How do I see Networking Speed in Bar Like on Parrot?

I must like to know how to have graph of network activity like in Parrot.

What if network compromised and lots of packet go out when only small amount should go?

many smart people use the qubes, someone should make program, post on github, some widget for bar so can see network activity, can link graph to any VM

why this not done? parrot has nice graph and good parrot but no qubes. qubes must copy good graph of parrot