Okay, so either we're missing another dependency (which shouldn't be the case, but you never know), or the syntax for the options has changed.
I'll check the latter.
EDIT: Doesn't look like anything should have changed...
I *think* dmesg might actually be more verbose and spit out the actual name of the first unknown symbol, which might be helpful if you can get to it

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NOTE: These MAC addresses aren't yours, we're the ones choosing them, so they won't tell anyone anything about your device

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EDIT²: Possibly needs a shot of usb_f_ecm and/or usb_f_eem around the same time as f_rndis...
EDIT³: @tshering:
something like this, maybe :?