docs: def _is_kvm_hyper():
      '''
      Returns a bool whether or not this node is a KVM hypervisor
      '''
      try:
          with salt.utils.files.fopen('/proc/modules') as fp_:
              if 'kvm_' not in salt.utils.stringutils.to_unicode(fp_.read()):
                  return False
      except IOError:
          # No /proc/modules? Are we on Windows? Or Solaris?
          return False
      return 'libvirtd' in __salt__['cmd.run'](__grains__['ps'])