I keep seeing below in the log file, who are Hannibal King and Scarlet Spider, is this something I need to worry about.
[2011-07-20 16:20:47,317][WARN ][discovery.zen ] [Hannibal King] received a join request for an existing node [[Scarlet Spider][IUU21Dv-R_OLoul-n9FBBw][in
et[/10.225.20.125:9301]]]
-Dale