find public IP from inside of the VM
Merge branch 'master' of github.com:cmusatyalab/elijah-discovery
Merge branch 'master' of github.com:cmusatyalab/elijah-discovery
Merge branch 'master' of github.com:cmusatyalab/elijah-discovery
Merge branch 'master' of github.com:cmusatyalab/elijah-discovery
Merge branch 'master' of github.com:cmusatyalab/elijah-discovery
Merge branch 'master' of github.com:cmusatyalab/elijah-discovery
measure time for the discovery and provisioning