====== ODL Mininet Testbed ======
  * https://networklessons.com/cisco/ccna-routing-switching-icnd2-200-105/introduction-to-sdn-opendaylight/
  * http://events.linuxfoundation.org/sites/events/files/slides/OpenDaylight-Network-Programmability.pdf
  * http://docs.opendaylight.org/en/stable-boron/getting-started-guide/release_notes.html