RHEL only.

Resolves: #1317796

From b2cc1e501531d5d66988ce8b6ab3e8a7b359f040 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20=C5=A0imerda?= <psimerda@redhat.com>
Date: Mon, 21 Mar 2016 14:13:56 +0100
Subject: [PATCH] rhel-7.3: keep good old IPv4 ping

---
 ping.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ping.c b/ping.c
index 498c0e8..5474b9d 100644
--- a/ping.c
+++ b/ping.c
@@ -443,6 +443,10 @@ main(int argc, char **argv)
 
 	target = argv[argc-1];
 
+	/* RHEL-7.3 rebase: Disable the new dual-stack feature. */
+	if (hints.ai_family == AF_UNSPEC)
+		hints.ai_family = AF_INET;
+
 	/* Create sockets */
 	enable_capability_raw();
 	if (hints.ai_family != AF_INET6)
-- 
2.7.2