There is no network interfaces in 'System Monitor - Network', plasma applet (plasma-applet-sm_net). Actual Results: Empty list. Expected Results: There should be available network interfaces.
Problem still exists in newer, KDE 4.2.1 packages.
same problem with ksysguard...
Created attachment 184662 [details] screenshot screenshot
In order to have it working you need to have a valid network management backend. Currently there is only one backend available - NetworkManager 0.7. It's hardmasked in the tree. To have it working you need to unmask it, emerge it,and rebuild SOLID with networkmanager use flag.
*** Bug 258769 has been marked as a duplicate of this bug. ***