Ubuntu return to old interfaces ethX
Change default network name (ens33) to old “eth0” on Ubuntu 16.04
How-to change default network name (ens33) to old “eth0” on Ubuntu 16.04
Just after the Ubuntu 16.04 installation, I came to know that the network interface name got changed to ens33 from old school eth0. If you ever interested in changing interface names to old type ethX, here is the tutorial for you.