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sudo rmmod e1000
sudo rmmod e1000e
sudo rmmod igb
sudo modprobe e1000
sudo modprobe e1000e
sudo modprobe igb
inet="$(ip a | grep -oP '(en.*)(?=:)')"
sudo dhclient $inet
sudo apt-get update && sudo apt-get upgrade
sudo apt-get purge network-manager
sudo apt-get install network-manager
sudo reboot