%post
/sbin/ldconfig
/sbin/chkconfig --add iptables
-DEFAULT_IFACE=$(ip route show default | awk '/default/ {print $5}'
+DEFAULT_IFACE=$(ip route show default | awk '/default/ {print $5}')
sed -i -e "s;__eth;$DEFAULT_IFACE;g" /etc/sysconfig/iptables
service iptables restart