There's now rudimentary ethernet support in Einstein! It's very much in early development, but here are some notes from the developer:
NTLK: Einstein and Ethernet - developers preview (Overview & YouTube demonstration video)
NTLK: Einstein and Ethernet - developers preview (Link to download of very early build)
NTLK: Einstein and Ethernet - developers preview (Overview & YouTube demonstration video)
NTLK: Einstein and Ethernet - developers preview (Link to download of very early build)