Changing a few variable names and adding few safety conditions
diff --git a/src/core/ext/filters/client_channel/http_proxy.c b/src/core/ext/filters/client_channel/http_proxy.c
index 8a14b4e..ef3512e 100644
--- a/src/core/ext/filters/client_channel/http_proxy.c
+++ b/src/core/ext/filters/client_channel/http_proxy.c
@@ -67,7 +67,7 @@
     /* User cred found */
     *user_cred = authority_strs[0];
     proxy_name = authority_strs[1];
-    gpr_log(GPR_INFO, "userinfo found in proxy URI");
+    gpr_log(GPR_DEBUG, "userinfo found in proxy URI");
   } else {
     /* Bad authority */
     for (size_t i = 0; i < authority_nstrs; i++) {