Rudder tools

When i try to up an rtf workspace with vagrant, my first machine is created, but the second hnags because lockfile is still present

Lock not available, waiting 5 seconds
Lock not available, waiting 5 seconds
Lock not available, waiting 7 seconds
Lock not available, waiting 8 seconds
Lock not available, waiting 10 seconds
Lock not available, waiting 6 seconds
Lock not available, waiting 10 seconds
Lock not available, waiting 10 seconds
Lock not available, waiting 7 seconds