I've never seen anything like that.  Is it possible that in a hosts file or DNS there's an entry for that name with an IP address used in the group?   If not, then I suggest you open a support case with Dell.  Don 
Hi,  Today we have configurated Syslog on our storage. But when we go to the Syslog server, it created a folder with a different name... How do we change this name since it's not the group name?
Different name on EqualLogic after Syslog being configured