[00:21] <naptastic> answer: ethernets, even though it's not Ethernet. It just requires a match stanza. The docs say you can use the 20-byte IB address. I matched on name, and that also worked.
[00:22] <naptastic> Once it had something to match on, it set the rest of the configuration just fine.
[04:10] <naptastic> This is really cool.
[04:10] <naptastic> I think this is going to be my replacement for ifupdown.