request help: ApisixUpstream is not created after kubectl apply

[rizalalfarizi123]

Issue description

i try to create ApisixUpstream with provided example from doc:

apiVersion: apisix.apache.org/v2
kind: ApisixUpstream
metadata:
  name: httpbin-upstream
spec:
  externalNodes:
  - type: Domain
    name: httpbin.org

then kubectl apply -f upstream.yaml
resource created but the upstream is not created, i try to check it via dashboard and admin-api but it doesn't show the upsream

output of describe command

kubectl describe au httpbin-upstream 

Name:         httpbin-upstream
Namespace:    default
Labels:       <none>
Annotations:  <none>
API Version:  apisix.apache.org/v2
Kind:         ApisixUpstream
Metadata:
  Creation Timestamp:  2024-11-14T08:06:06Z
  Generation:          1
  Resource Version:    181392107
  UID:                 519dd0dd-e532-46b3-b4a2-d31c3ad5566f
Spec:
  External Nodes:
    Name:  httpbin.org
    Type:  Domain
Events:    <none>

idk why but if i use backends property directly with ApisixRoute CRD it created the upstream.
also, there are no log in apisix-ingress-controller related to apisix_upstream.go

Environment

• your apisix-ingress-controller version (output of apisix-ingress-controller version --long):apisix-ingress-controller:1.8.2-debian-12-r16
• your Kubernetes cluster version (output of kubectl version):
  Client Version: v1.28.2
  Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3
  Server Version: v1.30.5-gke.1014003
• if you run apisix-ingress-controller in Bare-metal environment, also show your OS version (uname -a): -