docs: def _get_vswitch_name(self, network_type, physical_network):
          """Get the vswitch name for the received network information."""
          if network_type != constants.TYPE_LOCAL:
              vswitch_name = self._get_vswitch_for_physical_network(
                  physical_network)
          else:
              vswitch_name = self._local_network_vswitch
  
          if vswitch_name:
              return vswitch_name
  
          err_msg = _("No vSwitch configured for physical network "
                      "'%(physical_network)s'. Neutron network type: "
                      "'%(network_type)s'.")
          raise exception.NetworkingHyperVException(
              err_msg % dict(physical_network=physical_network,
                             network_type=network_type))