Revert "Forks off the entire vm.up command."

This reverts commit e513a9386de79e355d666978f8d13c09b8aca6d0.
Revert "Revert "Forks off the entire vm.up command.""

This reverts commit d195a86fc354b1b9fb13a3d07c83f7e2f2083827.