Hey there,
We have some good news! We are upgrading your Droplet to the latest version of our cloud, so we can bring you the latest features on the DigitalOcean platform.
This message is to inform you that in between Jul 10, 2015 04:00 UTC and Jul 10, 2015 22:00 UTC, your Droplet's hypervisor will begin the migration process. During a period of approximately 18 hours all of the Droplets on the hypervisor where your Droplet resides will be migrated to a new host. We spread out the migrations to ensure that each runs in a timely manner and completes successfully.