diff --git a/neutron/agent/linux/ip_lib.py b/neutron/agent/linux/ip_lib.py
index 39a9987..da3a710 100644
--- a/neutron/agent/linux/ip_lib.py
+++ b/neutron/agent/linux/ip_lib.py
@@ -113,10 +113,11 @@ class IPWrapper(SubProcessBase):
                                    log_fail_as_error=self.log_fail_as_error
                                    ).split()
         else:
-            output = (
-                i for i in os.listdir(SYS_NET_PATH)
-                if os.path.islink(os.path.join(SYS_NET_PATH, i))
-            )
+            output = utils.execute(['find', SYS_NET_PATH, '-maxdepth', '1',
+                                    '-type', 'l', '-printf', '%f '],
+                                    run_as_root=self.force_root,
+                                    log_fail_as_error=self.log_fail_as_error
+                                    ).split()
 
         for name in output:
             if exclude_loopback and name == LOOPBACK_DEVNAME: