trying https://github.com/NordicPlayground/pc-nrfconnect-ble-standalone/releases/download/v4.0.4/nrfconnect-bluetooth-low-energy-4.0.4-x86_64.AppImage
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
  0      0   0      0   0      0      0      0                              0
  0      0   0      0   0      0      0      0                              0

  0      0   0      0   0      0      0      0                              0
 53 132.2M  53 70.10M   0      0 43.59M      0   00:03   00:01   00:02 52.55M
100 132.2M 100 132.2M   0      0 54.13M      0   00:02   00:02         52.55M
100 132.2M 100 132.2M   0      0 54.13M      0   00:02   00:02         52.55M
100 132.2M 100 132.2M   0      0 54.13M      0   00:02   00:02         52.55M