docs: def guest_delete_network_interface(self, userid, os_version,
                                         vdev, active=False):
          """ delete the nic and network configuration for the vm
  
          :param str userid: the user id of the guest
          :param str os_version: operating system version of the guest
          :param str vdev: nic device number, 1- to 4- hexadecimal digits
          :param bool active: whether delete a nic on active guest system
          """
          self._networkops.delete_nic(userid, vdev, active=active)
          self._networkops.delete_network_configuration(userid, os_version,
                                                        vdev, active=active)