net.ifnames=0 biosdevname=0
To do it using grub, edit **/etc/default/grub** and add the cmdline to **GRUB_CMDLINE_LINUX**, like so:
GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0"
Update grub and reboot (yes, it is needed, i think)
update-grub
shutdown -r now