2754L spontaneous freeze networking
Try put pcie_aspm=off in the kernel boot line of grub. You might try editing or creating a new file in /etc/modprobe.d called e1000e.conf and adding a line to that that says options e1000e IntMode=1,1 Each 1 is for each NIC. Eg. If you have 2 e1000e NICs you need the above. Another option to try