rubicon/centos7-salt Vagrant box

How to use this box with Vagrant: 

Vagrant.configure("2") do |config|
  config.vm.box = "rubicon/centos7-salt"
  config.vm.box_version = "2014.7.1"
end
vagrant init rubicon/centos7-salt \
  --box-version 2014.7.1
vagrant up

v2014.7.1 currently released version

This version was created almost 9 years ago.

There isn't a description.

2 providers for this version.
  • virtualbox
    unknown Externally hosted (www.dropbox.com)
  • vmware_desktop
    unknown Externally hosted (www.dropbox.com)