ARP Messages

[N00b]

I am seeing messages of like the following in the messages console. In fact a lot of them (851 Lines!). Has anyone seen similar messages before or can tell me what's happening here.

Code:

arp: 192.168.1.1 moved from 2c:b0:5d:97:3d:33 to 00:25:9c:20:b0:09 on em0
arp: 192.168.1.1 moved from 00:25:9c:20:b0:09 to 00:26:f2:ea:8f:5f on em0
arp: 192.168.1.1 moved from 00:26:f2:ea:8f:5f to 10:0d:7f:6e:50:57 on em0
arp: 192.168.1.1 moved from 10:0d:7f:6e:50:57 to ec:1a:59:16:60:2e on em0
arp: 192.168.1.1 moved from ec:1a:59:16:60:2e to ec:1a:59:16:0f:24 on em0
arp: 192.168.1.1 moved from ec:1a:59:16:0f:24 to 00:18:8b:de:16:9b on em0

 

[dlavigne]

This post covers the most common reasons: http://doc.pfsense.org/index.php/ARP_moved_log_messages