arp problem?

[spen]

I get this message all the time and I 've searched around forums but did not find something about it..

arp: 00:10:b5:df:b5:ff attempts to modify permanent entry for 10.101.10.47 on xl0
arp: 00:10:b5:df:b5:ff attempts to modify permanent entry for 10.101.10.47 on xl0
arp: 00:10:b5:df:b5:ff attempts to modify permanent entry for 10.101.10.47 on xl0
arp: 00:10:b5:df:b5:ff attempts to modify permanent entry for 10.101.10.47 on xl0
arp: 00:10:b5:df:b5:ff attempts to modify permanent entry for 10.101.10.47 on xl0

after many times of repeating itself I get a message which says "last message repeated x times"..
does anybody have any idea about it?
ps: 10.101.10.47 is another pc on the local lan...




--spen--
		
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