先把Ubuntu 12.04更新一下
sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade
刪除 Ebtables包
sudo aptitude purge ebtables
從安裝源安裝Open vSwitch (OVS)
sudo apt-get install aptitude apt-show-versions openvswitch-controller openvswitch-brcompat openvswitch-switch
最後,檢查Open vSwitch (OVS)的版本信息
sudo ovs-vsctl --version