From b5ebd3fee37bc9d1832c545f605c639140b8d6f1 Mon Sep 17 00:00:00 2001
From: Phil Sutter <psutter@redhat.com>
Date: Thu, 13 Sep 2018 20:38:04 +0200
Subject: [PATCH] rtmon: List options in help text

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1612704
Upstream Status: iproute2.git commit 6417c06b59b07

commit 6417c06b59b0731bcff4c0999661b256be6f52cb
Author: Phil Sutter <phil@nwl.cc>
Date:   Thu Aug 16 12:28:01 2018 +0200

    rtmon: List options in help text

    Signed-off-by: Phil Sutter <phil@nwl.cc>
    Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 ip/rtmon.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ip/rtmon.c b/ip/rtmon.c
index acc11df..0e795f7 100644
--- a/ip/rtmon.c
+++ b/ip/rtmon.c
@@ -63,7 +63,9 @@ static int dump_msg2(const struct sockaddr_nl *who,
 
 static void usage(void)
 {
-	fprintf(stderr, "Usage: rtmon file FILE [ all | LISTofOBJECTS]\n");
+	fprintf(stderr, "Usage: rtmon [ OPTIONS ] file FILE [ all | LISTofOBJECTS ]\n");
+	fprintf(stderr, "OPTIONS := { -f[amily] { inet | inet6 | link | help } |\n"
+			"             -4 | -6 | -0 | -V[ersion] }\n");
 	fprintf(stderr, "LISTofOBJECTS := [ link ] [ address ] [ route ]\n");
 	exit(-1);
 }
-- 
1.8.3.1