Data type of fields created in ingest pipeline with KV processor

My Rasberry Pi’s are sending some information via a Syslog server to Elastic (with the Elastic Agent/Filebeat). The event looks like this:
"Dec 3 14:00:01 PiMirror piinfo: gpu_temp=50.1| cpu_temp=49.1| model=4"

I added a KeyValue processor to the default pipeline of the index template. It’s working fine and 3 fields are added the log. But the fields are created as String and of course the data is numeric.
Anyone an idea for solving this?


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