[Tooling update] health_checks

* Added:
- contrail_mesh_check: Check if contrail elements are connected
  to each other.

Prod-Related: PROD-31970
Change-Id: Id92fe188154c088ae110afa16be3aa02f6f6e964
diff --git a/README.rst b/README.rst
index 9d41c97..06e79d7 100644
--- a/README.rst
+++ b/README.rst
@@ -952,6 +952,19 @@
 
   salt -C 'I@opencontrail:compute' health_checks.libvirt_capabilities
 
+Check if contrail elements are connected to each other
+
+.. code-block:: bash
+
+  salt-call health_checks.contrail_mesh_check
+  salt-call health_checks.contrail_mesh_check debug=True
+
+Check if contrail elements are connected to each other and DNS names match
+
+.. code-block:: bash
+
+  salt-call health_checks.contrail_mesh_check strict=True
+
 Check keystone fernet keys are in sync
 
 .. code-block:: bash