ST_TCP_EST
ST_CHANGE(conn_info->state, ST_TCP_EST);
assert(conn_info->state == ST_TCP_EST);
ST_CHANGE(conn_info->state, ST_TCP_EST);
ST_CHANGE(conn_info->state, ST_TCP_EST); /* check this */
ST_CHANGE(conn_info->state, ST_TCP_EST);
ST_CHANGE(conn_info->state, ST_TCP_EST);
assert(conn_info->state == ST_TCP_EST