Incorporate changes in Libgtop

Libgtop has changed the form of stats to bytes transferred rather than
rate of the transfer.
Rate is calculated in usage.
1 job for wip/antares/network-subview in 3 minutes and 1 second (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #20602
build-gnome-usage

00:03:01