/etc/ethers is missing on /rom but always created when dnsmasq
runs. It is better to have it in place and avoid an extra change
in flash after firstboot.
It will generate an extra /etc/ethers-opkg when it has changed.
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
(backported from d810d44e5a)