2017-10-25 - Odd user that can’t be deleted?

Header Data

From: Bruce Johnson <bj***n@rsu13.org>
Message Hash: 66908afebe394fcf302d8b68258358c6a372fba2915486cdd6ff886291971e48
Message ID: <510de226-6701-48a5-a493-ea39f608e52a@grasehotspot.org>
Reply To: N/A
UTC Datetime: 2017-10-25 05:51:37 UTC
Raw Date: Wed, 25 Oct 2017 05:51:37 -0700

Raw message 

I have a connection that doesnt have a user, ip, or mac address?

I can see alot of traffic logs, but no way to tell the source, or delete 
the associated client/user...

How can this traffic exist?

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