I have Msı GE70 0ND notebook and here is the solution i found for Atheros lan driver :
my device:
* download:lspci|grep Ethernet
03:00.0 Ethernet controller: Atheros Communications Inc. Device e091 (rev 13)
https://www.kernel.org/pub/linux/ker...-28-5-u.tar.gz
* download alx-patch.txt
apt-get update && apt-get install -y linux-headers-$(uname -r)
tar xvf compat-drivers-2013-03-28-5-u.tar.gz
cd compat-drivers-2013-03-28-5-u
patch --dry-run -p1 < alx-patch.txt
patch -p1 < alx-patch.txt
./scripts/driver-select alx
make
make install
modprobe alx
reboot