Subject: arp info overwritten ???
To: None <netbsd-users@NetBSD.ORG>
From: Dan McMahill <mcmahill@mtl.mit.edu>
List: netbsd-users
Date: 06/09/1998 15:39:10 
What does this console message mean?

Jun  8 17:35:48 dinah-moe /netbsd: arp info overwritten for 0a000001 by 00:40:05:59:8f:dd

Am I just being paranoid?
Thanks
dan