fixup! [filebeat] use container input instead of docker input

[filebeat] mount /var/log inside filebeat pods

This is required to use container input withg CRI paths.

filebeat/templates/daemonset.yaml

@@ -75,6 +75,9 @@ spec:
       - name: varlibdockercontainers
         hostPath:
           path: /var/lib/docker/containers
+      - name: varlog
+        hostPath:
+          path: /var/log
       - name: varrundockersock
         hostPath:
           path: /var/run/docker.sock
@@ -152,6 +155,9 @@ spec:
         - name: varlibdockercontainers
           mountPath: /var/lib/docker/containers
           readOnly: true
+        - name: varlog
+          mountPath: /var/log
+          readOnly: true
         # Necessary when using autodiscovery; avoid mounting it otherwise
         # See: https://www.elastic.co/guide/en/beats/filebeat/master/configuration-autodiscover.html
         - name: varrundockersock