Why /var/log/messages is getting filled with avahi-daemon logs

Issue

• /var/log/messages is getting filled with below messages :

 Aug  3 19:52:23 RHEL5.2 avahi-daemon[3664]: Registering new address record for 192.xx.cc.72 on eth0.
 Aug  3 19:52:23 RHEL5.2 avahi-daemon[3664]: Withdrawing address record for 192.xx.cc.72 on eth0.
 Aug  3 19:52:23 RHEL5.2 avahi-daemon[3664]: Registering new address record for 192.xx.cc.72 on eth0.
 Aug  3 19:52:23 RHEL5.2 avahi-daemon[3664]: Withdrawing address record for 192.xx.cc.72 on eth0.
 Aug  3 19:52:23 RHEL5.2 avahi-daemon[3664]: Registering new address record for 192.xx.cc.72 on eth0.
 Aug  3 19:52:23 RHEL5.2 avahi-daemon[3664]: Withdrawing address record for 192.xx.cc.72 on eth0.
 Aug  3 19:52:23 RHEL5.2 avahi-daemon[3664]: Registering new address record for 192.xx.cc.72 on eth0.

• Network Configuration on 2 servers :-

• Server 1

        eth0      Link encap:Ethernet  HWaddr 00:14:5E:BE:4F:18  
                  inet addr:192.xx.149.71  Bcast:192.xx.cc.127  Mask:255.255.255.192
                  inet6 addr: fe80::cc:5eff:cc:4f18/64 Scope:Link
                  UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
                  RX packets:339707888 errors:0 dropped:0 overruns:0 frame:0
                  TX packets:183844016 errors:0 dropped:0 overruns:0 carrier:0
                  collisions:0 txqueuelen:1000 
                  RX bytes:90034928972 (83.8 GiB)  TX bytes:58954502521 (54.9 GiB)
                  Interrupt:201 


        eth0:1    Link encap:Ethernet  HWaddr 00:14:5E:BE:4F:18  
                  inet addr:192.xx.cc.72  Bcast:192.xx.cc.127  Mask:255.255.255.192
                  UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
                  Interrupt:201 

• Server 2

        eth0      Link encap:Ethernet  HWaddr 00:14:5E:BE:4F:1A  
                  inet addr:192.xx.149.70  Bcast:192.xx.cc.127  Mask:255.255.255.192
                  inet6 addr: fe80::cc:5eff:cc:4f1a/64 Scope:Link
                  UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
                  RX packets:453833734 errors:0 dropped:0 overruns:0 frame:0
                  TX packets:270787081 errors:0 dropped:0 overruns:0 carrier:0
                  collisions:0 txqueuelen:1000 
                  RX bytes:120460722819 (112.1 GiB)  TX bytes:86870548352 (80.9 GiB)
                  Interrupt:193 


        eth0:1    Link encap:Ethernet  HWaddr 00:14:5E:BE:4F:1A  
                  inet addr:192.xx.cc.72  Bcast:192.xx.cc.255  Mask:255.255.255.0
                  UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
                  Interrupt:193