'Post operation of live migration at destination host.
:param context: security context
:param instance:
nova.db.sqlalchemy.models.Instance object
instance object that is migrated.
:param network_info: instance network information
:param block_migration: if true, post operation of block_migration.'

def post_live_migration_at_destination(self, context, instance, network_info, block_migration=False, block_device_info=None):

    guest = self._host.get_guest(instance)
    xml = guest.get_xml_desc()
    self._host.write_instance_config(xml)
