// sctp_send_data(client_fd, data);
sctp_send_data_X2AP(client_fd, data);
// sctp_send_data(client_fd, data);
sctp_send_data_X2AP(client_fd, data);
encode_and_send_sctp_data(pdu_setup, client_fd);
//wait to receive X2SetupResponse
encode_and_send_sctp_data(pdu_setup, client_fd);
//wait to receive X2SetupResponse