git clone git://github.com/floodlight/floodlight.git
Cloning into 'floodlight'...
fatal: unable to connect to github.com:
github.com:Temporary failure in name resolution
reference:http://stackoverflow.com/questions/18099144/clone-from-github-com-temporary-failure-in-name-resolution-errorKernel Module
The openvswitch kernel module must be loaded:
ivs - OpenFlow virtual switch daemon
ivs-ctl - utility for configuring Indigo Virtual Switch
DESCRIPTION