Signed-off-by: Phil Sutter <[email protected]>
---
ip/rtmon.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/ip/rtmon.c b/ip/rtmon.c
index acc11df49b423..0e795f740e627 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);
}
--
2.18.0