Hello
I'm quite new with armbian and Banana Pi, but have some experience with Raspberry PI.
I started with Banana PI M2 Zero and armbian because of current unavailibility of Raspberry PI
which is needed for some of my DIY pinball projects https://lisy.dev/
With a 5.15.48 Kernel Image I noted that the internal ethernet of M2 Zero is set to disabled, where with a 5.10.60 Kernel from the archive it works.
After some investigation I used the "sun8i-h2-plus-bananapi-m2