Using Multiple Covering Indexes At Same Time Forces Primary Index Scan?

Couchbase Server
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2

Use composite index like below

 CREATE INDEX device_make_model ON bucket(lower((device_info.make)),lower(device_info.model)  ) 
WHERE (((meta().id) like "device---%") and (not contains((meta().id), "<AUDIT>"))) WITH { "num_replica":1 }