feat: normalize kubernetes.container.name to container.name like docker log collecting

filebeat-kubernetes.yml

@@ -40,6 +40,12 @@ processors:
               kubernetes.container.name: kilo
           - equals:
               kubernetes.container.name: cfssl-issuer
+  - rename:
+      fields:
+        - from: "kubernetes.container.name"
+          to: "container.name"
+      ignore_missing: true
+      fail_on_error: false
 
 setup:
   kibana:
@@ -70,7 +76,7 @@ output.elasticsearch:
   ssl:
     verification_mode: none
   indices:
-    - index: "filebeat-%{[agent.version]}-%{[kubernetes.container.name]:common}-%{+yyyy.MM.dd}"
+    - index: "filebeat-%{[agent.version]}-%{[container.name]:common}-%{+yyyy.MM.dd}"
 
 
 #logging.json: true