From patchwork Fri Jan 18 00:46:43 2013
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Subject: [iproute2-3.8,
 3/6] iproute2: Improve "ip netns add" failure error message
Date: Thu, 17 Jan 2013 14:46:43 -0000
From: "Eric W. Biederman" <ebiederm@xmission.com>
X-Patchwork-Id: 213417
Message-Id: <87obgn48ss.fsf_-_@xmission.com>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: <netdev@vger.kernel.org>, "Serge E. Hallyn" <serge@hallyn.com>,
 Ben Hutchings <bhutchings@solarflare.com>

Report the name of the network namespace that could not be
added.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

---
ip/ipnetns.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/ip/ipnetns.c b/ip/ipnetns.c
index ae55090..4fce379 100644
--- a/ip/ipnetns.c
+++ b/ip/ipnetns.c
@@ -135,8 +135,8 @@ static int netns_exec(int argc, char **argv)
 	snprintf(net_path, sizeof(net_path), "%s/%s", NETNS_RUN_DIR, name);
 	netns = open(net_path, O_RDONLY);
 	if (netns < 0) {
-		fprintf(stderr, "Cannot open network namespace: %s\n",
-			strerror(errno));
+		fprintf(stderr, "Cannot open network namespace %s: %s\n",
+			name, strerror(errno));
 		return EXIT_FAILURE;
 	}
 	if (setns(netns, CLONE_NEWNET) < 0) {