reloading the Realtek kernel module r8152 and restarting the network-manager also fixes the problem temporary: sudo rmmod r8152.ko sudo modprobe r8152.ko sudo service network-manager restart
reloading the Realtek kernel module r8152 and restarting the network-manager also fixes the problem temporary:
sudo rmmod r8152.ko
sudo modprobe r8152.ko
sudo service network-manager restart