why eth0 not in /dev

[zzs]

When barebox starts, devinfo can show eth0's info
like this

9200-EK:/dev devinfo eth0
resources:
driver: none
bus: platform

Parameters:
          ipaddr = 192.168.0.109
         ethaddr =
         gateway =
         netmask =
        serverip =

But I can't see it in /dev, Why?

-- 
Best Regards,
zzs