Comment 13 for bug 1873506

New images do not appear to be available quite yet, still getting the May 18 image.

$ vagrant box update
==> default: Checking for updates to 'ubuntu/focal64'
    default: Latest installed version: 20200518.0.0
    default: Version constraints:
    default: Provider: virtualbox
==> default: Box 'ubuntu/focal64' (v20200518.0.0) is running the latest version.