ubuntu 18.04, gnome shell 3.28.2
Recently at times in the status bar area at the top right of the desktop I have been seeing a strange icon for the wired network connection: the top and bottom left "computer" (?) symbols are greyed out, and the bottom right computer symbol, while not greyed out, has an "X" over it. But - As far as I can tell, everything is working just fine.
What does this symbol mean?
I have attached a picture:
According to Ubuntu desktop guide, this means that you are disconnected from the network.