$ cat Vagrantfile | grep audit
chef.arguments = "--audit-mode enabled"
$ vagrant provision
==> default: Running provisioner: chef_zero...
==> default: Detected Chef (12.2.1) is already installed
Generating chef JSON and uploading...
==> default: Running chef-zero...
==> default: /opt/chef/embedded/lib/ruby/gems/2.1.0/gems/mixlib-cli-1.5.0/lib/mixlib/cli.rb:191:in `parse_options'
==> default: :
==> default: invalid option: --audit-mode (OptionParser::InvalidOption)
==> default: from /opt/chef/embedded/apps/chef/lib/chef/application.rb:86:in `configure_chef'
==> default: from /opt/chef/embedded/apps/chef/lib/chef/application.rb:48:in `reconfigure'
==> default: from /opt/chef/embedded/apps/chef/lib/chef/application/solo.rb:190:in `reconfigure'
==> default: from /opt/chef/embedded/apps/chef/lib/chef/application.rb:58:in `run'
==> default: from /opt/chef/embedded/apps/chef/bin/chef-solo:25:in `<top (required)>'
==> default: from /usr/bin/chef-solo:51:in `load'
==> default: from /usr/bin/chef-solo:51:in `<main>'
Chef never successfully completed! Any errors should be visible in the
output above. Please fix your recipes so that they properly complete.