diff --git a/os_list/centos/i386/centos-6.4/setup.cfg b/os_list/centos/i386/centos-6.4/setup.cfg
index 5c40a72..4088a90 100644
--- a/os_list/centos/i386/centos-6.4/setup.cfg
+++ b/os_list/centos/i386/centos-6.4/setup.cfg
@@ -25,3 +25,9 @@ reboot
 @core
 bzip2
 %end
+
+%post
+sed -i /HWADDR/d /etc/sysconfig/network-scripts/ifcfg-eth0
+rm /etc/udev/rules.d/70-persistent-net.rules
+mkdir /etc/udev/rules.d/70-persistent-net.rules
+%end
diff --git a/os_list/centos/x86_64/centos-6.4/setup.cfg b/os_list/centos/x86_64/centos-6.4/setup.cfg
index b86ffcc..9099447 100644
--- a/os_list/centos/x86_64/centos-6.4/setup.cfg
+++ b/os_list/centos/x86_64/centos-6.4/setup.cfg
@@ -25,3 +25,9 @@ reboot
 @core
 bzip2
 %end
+
+%post
+sed -i /HWADDR/d /etc/sysconfig/network-scripts/ifcfg-eth0
+rm /etc/udev/rules.d/70-persistent-net.rules
+mkdir /etc/udev/rules.d/70-persistent-net.rules
+%end