If you upload PCAP files that don't generate any filename-derived tags in them (e.g., PCAP files that are named with just numbers like 1234.pcap, etc.) the "internal" tags used for things like tracking netbox site ID (e.g., NBSITEID0) and the timestamp (e.g., 1757950840756858) will end up in the tags field.

The filter that does this needs to remove the metadata field holding the tags if there are no user-defined or filename-derived tags.