netd: Plumb interface throttling

Change-Id: I9092a37b3d5f2bfa4f49ddc473d0a5490abaae8f
Signed-off-by: San Mehat <san@google.com>
diff --git a/logwrapper.c b/logwrapper.c
index c96426f..e42d00a 100644
--- a/logwrapper.c
+++ b/logwrapper.c
@@ -72,8 +72,10 @@
     status = 0xAAAA;
     if (wait(&status) != -1) {  // Wait for child
         if (WIFEXITED(status)) {
-            LOG(LOG_INFO, "logwrapper", "%s terminated by exit(%d)", tag,
-                    WEXITSTATUS(status));
+            if (WEXITSTATUS(status) != 0) {
+                LOG(LOG_INFO, "logwrapper", "%s terminated by exit(%d)", tag,
+                        WEXITSTATUS(status));
+            }
             return WEXITSTATUS(status);
         } else if (WIFSIGNALED(status))
             LOG(LOG_INFO, "logwrapper", "%s terminated by signal %d", tag,