def _tunnel_new_msg(self, tunnel, to_rt_uuid, tunnel_type, policy):
        msg = {'cmd': 'TUNNEL_NEW', 'type': tunnel_type, 'tunnel_id': tunnel.id, 'policy': policy}
        self.network.links[to_rt_uuid].send_with_reply(CalvinCB(tunnel._setup_ack), msg)
expriration date of a VX future
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/north/calvin_proto.py/CalvinProto._tunnel_new_msg--crossover with--dataset/ETHPy150Open sjev/trading-with-python/lib/cboe.py/vixExpiration