Merge branch 'shixin-ZSTAC-56379' into 'master'

<fix>[zstacklib]: delete links inside net ns, then delete net ns

See merge request zstackio/zstack-utility!3270

Author: gitlab

zstacklib/zstacklib/utils/iproute.py

@@ -836,6 +836,10 @@ def add_netns(self, ns_id):
                      % (self.netns, ns_id, self.netns))
 
     def del_netns(self):
+        links = self.get_links()
+        for link in links:
+            self.del_link(link.name)
+
         o = shell.call('ip netns delete  %s' % self.netns)
         logger.debug("exec cmd: ip netns delete %s, result: %s"
                      % (self.netns, o))