As pointed by the following threads in the ubuntu forums (http://ubuntuforums.org/showthread.php?p=11290188), it is enough to do:
$ sudo rmmod e1000e $ sudo modprobe e1000e
and you get back the original performance.
As pointed by the following threads in the ubuntu forums (http:// ubuntuforums. org/showthread. php?p=11290188), it is enough to do:
$ sudo rmmod e1000e
$ sudo modprobe e1000e
and you get back the original performance.