I received the same error, but it was followed by this line in the logs, which might explain the lack of inference requests assume there is actual demand...
WARN STT backend failed health check — model will NOT be advertised
I disabled the audio model (had to remove it, it was so buggy) and then started up with a text only model. Serving started without error. The system simply has no requests. The economics seem like a mirage anyway.
WARN STT backend failed health check — model will NOT be advertised