After installing generic-pc-serial-1.8.0b472.img to a pcengines
alix2.3 board, the interfaces status page on the webgui shows massive
errors on all interfaces (lan, wan, dmz; In/out errors, Collisions).
In/Out packets are shown, but the amount of bytes is zero on all
interfaces. Internet access works fine.

WAN interface (vr1)
Status 	up
<snip>
Media 	100baseTX <full-duplex>
In/out packets 	934066/1215879500 (0 bytes/0 bytes)
In/out errors 	0/591266
Collisions 	58653147

LAN interface (vr0)
Status 	up
<snip>
Media 	100baseTX <full-duplex>
In/out packets 	530384/53448774 (0 bytes/0 bytes)
In/out errors 	0/736776
Collisions 	1016646130

DMZ interface (vr2)
Status 	up
<snip>
Media 	100baseTX <full-duplex>
In/out packets 	79071/5731772 (0 bytes/0 bytes)
In/out errors 	0/131796
Collisions 	197915175

I also tried "use device polling", but that didn't change anything.
As the router works fine and internet speed is as expected, it seems
that the values for bytes / packets / errors / collisions are assigned
to the wrong labels.