This bug comes from the kernel e1000 driver which doesn't update counter values more than one time per 2 seconds.
see http://lkml.org/lkml/2003/12/20/30 ** Changed in: netspeed (Ubuntu) Sourcepackagename: netspeed => linux-source-2.6.15 ** Also affects: netspeed (Ubuntu) Importance: Untriaged Status: Unconfirmed -- bad graphing values for device e1000 https://launchpad.net/bugs/55989 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
