kubedd reports unsupported property for data (RawExtension)

[mateuszkwiatkowski]

Kubedd reports many errors about not supported property (spec). This happens for ControllerRevision objects in our cluster:

 falco                audit-falco-558b87fb8c                                 ControllerRevision   apps/v1                           data    property "spec" is unsupported  
 falco                audit-falco-594bd6b8d8                                 ControllerRevision   apps/v1                           data    property "spec" is unsupported  
 falco                audit-falco-59c55fcdbd                                 ControllerRevision   apps/v1                           data    property "spec" is unsupported  
 falco                audit-falco-5df9d6bd48                                 ControllerRevision   apps/v1                           data    property "spec" is unsupported  

Example instance of ControllerRevision that kubedd complained abou:

# Please edit the object below. Lines beginning with a '#' will be ignored,
# and an empty file will abort the edit. If an error occurs while saving this file will be
# reopened with the relevant failures.
#
apiVersion: apps/v1
data:
  spec:
    template:
      $patch: replace
      metadata:
        annotations:
          checksum/certs: 01ba4719c80b6fe911b091a2c05124b64eeece964e09c058ef8f9805daca546b
          checksum/config: c04d1feb5233533ff0f8ac8e3320213447a4d2912d69c8332f43360df11b1a18
          checksum/rules: 2c4eaf6e810932d56ee056ba47a0fe15f4eaf37081a1fe00edc62bc8ceb7a735
        creationTimestamp: null
        labels:
          app: audit-falco
          role: security
        name: audit-falco
      spec:
        containers:
        - args:
          - /usr/bin/falco
          - --cri
          - /run/containerd/containerd.sock
          - -K
          - /var/run/secrets/kubernetes.io/serviceaccount/token
          - -k
[CUT]
kind: ControllerRevision
metadata:
  annotations:
    deprecated.daemonset.template.generation: "18"
    meta.helm.sh/release-name: audit-falco
    meta.helm.sh/release-namespace: falco
  creationTimestamp: "2022-01-31T14:16:41Z"
  labels:
    app: audit-falco
    controller-revision-hash: 558b872b8c
    role: security
  name: audit-falco-558b87fb8c
  namespace: falco
  ownerReferences:
  - apiVersion: apps/v1
    blockOwnerDeletion: true
    controller: true
    kind: DaemonSet
    name: audit-falco
    uid: 0a3821f7-fe77-48f4-a4ca-c7490b337ffa
  resourceVersion: "313405104"
  uid: 106621ac-e2a3-4f9b-8b6a-0352daff3fa6
revision: 18