docs: Link Host Policies "troubleshooting"/"known issues" from HFW tuto

[ upstream commit 5dd2f14 ]

Help users reading the Host Firewall tutorial to find the sections
related to troubleshooting host policies or listing known issues for the
Host Firewall.

Signed-off-by: Quentin Monnet <qmo@qmon.net>
Signed-off-by: Fabio Falzoi <fabio.falzoi@isovalent.com>

Documentation/security/host-firewall.rst

@@ -204,3 +204,13 @@ Clean up
 
    $ kubectl delete ccnp demo-host-policy
    $ kubectl label node $NODE_NAME node-access-
+
+Further Reading
+===============
+
+Read the documentation on :ref:`HostPolicies` for additional details on how to
+use the policies. In particular, refer to the :ref:`Troubleshooting Host
+Policies <troubleshooting_host_policies>` subsection to understand how to debug
+issues with Host Policies, or to the section on :ref:`Host Policies known
+issues <host_policies_known_issues>` to understand the current limitations of
+the feature.

Documentation/security/policy/language.rst

@@ -1289,6 +1289,8 @@ the label ``type=ingress-worker`` on TCP ports 22, 6443 (kube-apiserver), 2379
 To reuse this policy, replace the ``port:`` values with ports used in your
 environment.
 
+.. _troubleshooting_host_policies:
+
 Troubleshooting Host Policies
 -----------------------------
 
@@ -1334,6 +1336,8 @@ endpoint get -l reserved:host -o jsonpath='{[0].id}'``. Use this ID to replace
 - Use ``cilium-dbg monitor`` with ``--related-to $HOST_EP_ID`` to examine
   traffic for the host endpoint.
 
+.. _host_policies_known_issues:
+
 Host Policies known issues
 --------------------------