Drop json stratum auth failed message log level to verbose.
diff --git a/util.c b/util.c
index 4e3d502..0e9670c 100644
--- a/util.c
+++ b/util.c
@@ -1839,7 +1839,7 @@ bool auth_stratum(struct pool *pool)
ss = json_dumps(err_val, JSON_INDENT(3));
else
ss = strdup("(unknown reason)");
- applog(LOG_WARNING, "pool %d JSON stratum auth failed: %s", pool->pool_no, ss);
+ applog(LOG_INFO, "pool %d JSON stratum auth failed: %s", pool->pool_no, ss);
free(ss);
goto out;