It's good to clean up.
Ported from "citrix" to "master" branch with file name updated.
CC: Keith Amidon <keith@nicira.com>
CC: Henrik Amren <henrik@nicira.com>
rm -f /etc/ovs-vswitchd.conf
rm -f /etc/sysconfig/vswitch
rm -f /etc/ovs-vswitchd.cacert
+ rm -f /var/lib/openvswitch/dbcache
printf "\nYou MUST reboot the server now to complete the change to\n"
printf "standard Xen networking. Attempts to modify networking on the\n"