def _tag_net_direction(data):
        """Create a tag based on the direction of the traffic"""

        # IP or IPv6
        src = data['packet']['src_domain']
        dst = data['packet']['dst_domain']
        if src == 'internal':
            if dst == 'internal' or 'multicast' in dst or 'broadcast' in dst:
                return 'internal'
            else:
                return 'outgoing'
        elif dst == 'internal':
            return 'incoming'
        else:
            return None
Create a tag based on the direction of the traffic