Rebuild of the CentOS 7 vagrant scl http://vault.centos.org/7.2.1511/sclo/Source/sclo/vagrant1/ for EPEL6. (Project should have been named sclo-vagrant1.) More up-to-date and complete than the jstribny/vagrant1 copr.
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/loveshack/vagrant/