example network script will misname interface if installing stretch

[Thomas Lange]

>>>>> On Sat, 16 Jul 2016 14:18:25 -0700, Ian Kelling <ian at iankelling.org> said:

    > Using jessie as the base os to install stretch.
    > 30-interface will setup /etc/network/interfaces with
    > something like eth0, and if you upgrade to stretch,
    > it will reboot and eth0 is now named something like
    > enp3s0f1.
This is already fixed in FAI 5.1.

-- 
regards Thomas