gistfile1.txt

==> default: TASK: [forum | git checkout forum repo into {{forum_code_dir}}] ***************
==> default: failed: [localhost] => {"failed": true, "item": ""}
==> default: msg: Failed to download remote objects and refs
==> default:
==> default: FATAL: all hosts have already failed -- aborting
==> default:
==> default: PLAY RECAP ********************************************************************
==> default:            to retry, use: --limit @/root/vagrant-devstack.retry
==> default: localhost                  : ok=76   changed=28   unreachable=0    failed=1
The SSH command responded with a non-zero exit status. Vagrant
assumes that this means the command failed. The output for this command
should be in the log above. Please read the output to determine what
went wrong.