Set pool->probed to true after an attempt to resolve the url via stratum code.
diff --git a/util.c b/util.c
index 60e426e..79ed856 100644
--- a/util.c
+++ b/util.c
@@ -1531,6 +1531,7 @@ static bool setup_stratum_socket(struct pool *pool)
if (!pool->probed) {
applog(LOG_WARNING, "Failed to resolve (?wrong URL) %s:%s",
pool->sockaddr_url, pool->stratum_port);
+ pool->probed = true;
} else {
applog(LOG_INFO, "Failed to getaddrinfo for %s:%s",
pool->sockaddr_url, pool->stratum_port);