Looking at the top right of your picture I see that you also have another issue... You will end up with a gazillion network icons (located on the right of the clock) which will cause even more problems...
This is the nm-tray icon problem. Have a look here (1st post) for the solution to this:
forum.linuxcnc.org/38-general-linuxcnc-q...little-issues#226480
