netns is not required in Solution 3.

rimelek · Feb 19, 2023 · ffd50dd · ffd50dd
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commit ffd50dd
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diff --git a/pages/advanced/kernel-namespaces-network.rst b/pages/advanced/kernel-namespaces-network.rst
@@ -519,7 +519,6 @@ First we will set the variables again with an additional :code:`project_dir` whi
 .. code:: bash
 
   sandboxKey=$(docker container inspect php --format '{{ .NetworkSettings.SandboxKey }}')
-  netns=$(basename "$sandboxKey")
   pid="$(docker container inspect php --format '{{ .State.Pid }}')"
 
   project_dir="$HOME/projects/netns"