[pfSense] Avoiding kernel messages about MAC changes

[bsd]

Hi,

Just for my info, is there a way to avoid these message about arp changes ? 
They are due to WAN interfaces (WAN / OPT) beeing bridged together

WAN <--> OPT 
  BRI_WAN


myname.abc.biz kernel log messages:
+++ /tmp/security.UyYMRtdm	2011-11-05 03:01:05.000000000 +0100
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:74 to 00:0b:ab:16:83:75 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:74 to 00:0b:ab:16:83:75 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:74 to 00:0b:ab:16:83:75 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0
+arp: 1.2.3.4 moved from 00:0b:ab:16:83:75 to 00:0b:ab:16:83:74 on igb0


Thanks. 

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