# File lib/vagrant-lxc/driver/cli.rb, line 145
        def supports_attach?
          unless defined?(@supports_attach)
            begin
              @supports_attach = true
              run(:attach, '--name', @name, '--', '/bin/true')
            rescue LXC::Errors::ExecuteError
              @supports_attach = false
            end
          end

          return @supports_attach
        end