Fix socket and tcp api.

Change-Id: I256eefee0c874377e66b334958b353c1ee66c2c5
diff --git a/mbtk/mbtk_lib/src/mbtk_log.c b/mbtk/mbtk_lib/src/mbtk_log.c
index 1606552..1631086 100755
--- a/mbtk/mbtk_lib/src/mbtk_log.c
+++ b/mbtk/mbtk_lib/src/mbtk_log.c
@@ -25,6 +25,8 @@
 static FILE* logfile = NULL;
 static int signal_fd = -1;
 
+static bool log_level_printed = FALSE;
+
 /**
  * @brief      mbtk_log_init
  *
@@ -84,6 +86,11 @@
         syslog(level, "%s", buf);
     } else if (2 == syslog_radio_enable) {
         __android_log_printf(LOG_ID_RADIO, level, "%s", buf);
+
+        if(!log_level_printed) {
+            __android_log_printf(LOG_ID_RADIO, LOG_ERR_LEVEL, "sloglevel = %d", get_service_log_level());
+            log_level_printed = TRUE;
+        }
     } else if (-1 != tlog_fd) {
         char tmp[50] = {0};
         gettimeofday(&log_time, NULL);