avahi-daemon issues.
rpm -qa | grep ovs
oracle-logos-4.9.17-7ovs
ovs-utils-1.0-36
enterprise-linux-ovs-5-2.0
ovs-release-2.2-2.0
ovs-agent-2.3-64
kernel-ovs-2.6.18-128.2.1.4.44.el5
Mar 11 12:44:41 SERVERNAME avahi-daemon[6937]: Registering HINFO record with values 'I686'/'LINUX'.
Mar 11 12:44:42 SERVERNAME avahi-daemon[6937]: Withdrawing address record for fe80::fcff:ffff:feff:ffff on vif6.4.