Add support for cilium ipsec (#7342)

* Add support for cilium ipsec

* Fix typo for bpffs

roles/network_plugin/cilium/templates/cilium-ds.yml.j2

@@ -166,6 +166,11 @@ spec:
           readOnly: true
         - mountPath: /run/xtables.lock
           name: xtables-lock
+{% if cilium_ipsec_enabled %}
+        - mountPath: /etc/ipsec
+          name: cilium-ipsec-secrets
+          readOnly: true
+{% endif %}
       dnsPolicy: ClusterFirstWithHostNet
       hostNetwork: true
       hostPID: false
@@ -280,6 +285,11 @@ spec:
       - configMap:
           name: cilium-config
         name: cilium-config-path
+{% if cilium_ipsec_enabled %}
+      - name: cilium-ipsec-secrets
+        secret:
+          secretName: cilium-ipsec-keys
+{% endif %}
   updateStrategy:
     rollingUpdate:
       # Specifies the maximum number of Pods that can be unavailable during the update process.