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-rw-r--r--tools/testing/selftests/net/lib/py/nsim.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/net/lib/py/nsim.py b/tools/testing/selftests/net/lib/py/nsim.py
index f571a8b3139b..7c640ed64c0b 100644
--- a/tools/testing/selftests/net/lib/py/nsim.py
+++ b/tools/testing/selftests/net/lib/py/nsim.py
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
+import errno
import json
import os
import random
@@ -26,7 +27,7 @@ class NetdevSim:
self.port_index = port_index
self.ns = ns
self.dfs_dir = "%s/ports/%u/" % (nsimdev.dfs_dir, port_index)
- ret = ip("-j link show dev %s" % ifname, ns=ns)
+ ret = ip("-d -j link show dev %s" % ifname, ns=ns)
self.dev = json.loads(ret.stdout)[0]
self.ifindex = self.dev["ifindex"]