Add additional checking for calico rr cluster_id (#11112)

Signed-off-by: tu1h <lihai.tu@daocloud.io>

roles/network_plugin/calico/tasks/check.yml

@@ -82,11 +82,12 @@
           Minimum version is {{ calico_min_version_required }} supported by the previous kubespray release.
           But current version is {{ calico_version_on_server.stdout }}.
 
-- name: "Check that cluster_id is set if calico_rr enabled"
+- name: "Check that cluster_id is set and a valid IPv4 address if calico_rr enabled"
   assert:
     that:
       - cluster_id is defined
-    msg: "A unique cluster_id is required if using calico_rr"
+      - cluster_id is ansible.utils.ipv4
+    msg: "A unique cluster_id is required if using calico_rr, and it must be a valid IPv4 address"
   when:
     - peer_with_calico_rr
     - inventory_hostname == groups['kube_control_plane'][0]