Question about SSH fatal: Read from socket failed errors

Hey everyone :)

I'm running Ubuntu 14.04LTS and I have noticed that there's always a bunch of " fatal: Read from socket failed: Connection reset by peer [preauth] " errors in auth.log every day yet SSH works fine and I have no trouble logging in. I am using SSH-Key based login and only login with my key which works perfectly.

My question is, why do those errors show up in auth.log? Are they failed attempts from someone trying to login to my server?

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