VOS3000 2.1.4.0 does not support latest Kernel Versions. you have to downgrade Kernel
mkdir download
cd download/
wget http://vault.centos.org/6.4/os/x86_64/Packages/kernel-2.6.32-358.el6.x86_64.rpm
yum list kernel-2.6.32-358*
yum install kernel-2.6.32-358.el6.x86_64.rpm
ls
vi /boot/grub/menu.lst
reboot