KDE's KSysGuard is displaying the same problem and I found out that it's showing the sum of network traffic on all available interfaces (including both the normal WLAN's wlo0 and VPN's ppp0), hence the doubling. I suspect GNOME System Monitor is doing the same thing.
** Attachment added: "ksysguard-traffic.png" https://bugs.launchpad.net/ubuntu/+source/gnome-system-monitor/+bug/1076880/+attachment/4383208/+files/ksysguard-traffic.png -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-system-monitor in Ubuntu. https://bugs.launchpad.net/bugs/1076880 Title: network speed incorrectly reported in System Monitor using VPN Status in gnome-system-monitor package in Ubuntu: Confirmed Bug description: looks similar to bug #957617 When using a VPN and monitoring up and download speeds shown in System monitor (ubuntu 12.04), then the indicated speeds are much greater than they apparently should be. When VPN is stoped and normal connection used, then indicate speeds are as expected. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-system-monitor/+bug/1076880/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
