def safe_with_target_vms(target, &blk)# {{{
      with_target_vms(target) do |vm|
        unless vm.created?
          @logger.info("not created yet: #{vm.name}")
          next
        end
        puts "[#{vm.name}]"
        blk.call(vm)
      end
    end
def safe_with_target_vms(target, &blk)# {{{
      with_target_vms(target) do |vm|
        unless vm.created?
          @logger.info("not created yet: #{vm.name}")
          next
        end
        puts "[#{vm.name}]"
        blk.call(vm)
      end
    end
}}}