} else {
		ctx, cancel = context.WithCancel(ctx)
	}

	send := make(chan []byte)
	inboundCap, outboundCap := handler.InCapacity, handler.OutCapacity
	if outboundCap <= 0 {
		outboundCap = 1
	}

	m := muxServer{
		ID:                 msg.MuxID,
		RecvSeq:            msg.Seq + 1,
		SendSeq:            msg.Seq,
		ctx:                ctx,