When enable usbnet Exec format error

[miguelon85]

i have nanopi m2a

I try this this to enable usbnet:

`
Device Drivers --->

[*] Network device support --->
    <M> USB Network Adapters --->
        <M> Multi-purpose USB Networking Framework
            <M>  CDC Ethernet support (smart devices such as cable modems)
            <M>  CDC EEM support
	<M>  Host for RNDIS and ActiveSync devices
            <M>  Simple USB Network Links (CDC Ethernet subset)
                 [*] Embedded ARM Linux links (iPaq, ...)

`

make uImage make modules make modules_install

Before to reboot

I do :
modprobe usbnet

ERROR: could not insert 'usbnet': Exec format error

After this i move the new uImage to /media/fa/boot

But when i reboot it's not boot again.

[miguelon85]

I do dmesg and got

exports duplicate symbol usbnet_change_mtu

Can u help me ?