Disabling predictable interface names

[wheelz]

You need to run dracut to rebuild initramfs, or you wait for the next kernel 
update. 

On 2015, November 20, Friday 00:18:37 Dusty Mabe wrote:
> According to [1] predictable interface naming can be disabled with a
> symlink to /dev/null or by providing net.ifnames=0 on the kernel command
> line. It seems like symlinking to /dev/null isn't working any more.
> 
> Is symlinking to /dev/null supposed to still work? We are seeing this on
> Atomic Cloud images where the symlink is in place but net.ifnames=0
> isn't on the cmd line so we are getting ens* interface names.
> 
> [1] -
> http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterface
> Names/