Add this to your boot cmdline:
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