Is there an existing issue for this?

• I have searched the existing issues

Version

equal or higher than v1.16.6 and lower than v1.17.0

What happened?

Hubble UI doesn't show any connections other than Ingress > Hubble UI in namespace kube-system

How can we reproduce the issue?

1. Install Cilium with Hubble enabled using Helm
2. Install demo app cilium (https://docs.cilium.io/en/stable/gettingstarted/demo/#starwars-demo)
3. Go to Ingress Hubble UI
4. Only Ingress > Hubble UI connection is shown in namespace kube-system
   Values ​​with which Cilium was installed:

rollOutCiliumPods: true
l2announcements:
  enabled: true
externalIPs:
  enabled: true
hostPort:
  enabled: true
hubble:
  relay:
    enabled: true
  ui:
    enabled: true
    ingress:
      enabled: true
      hosts:
        - hubble-ui.example.com
  metrics:
    enabled:
      - dns:query;ignoreAAAA
      - drop
      - tcp
      - flow
      - icmp
      - http
devices: eth0
kubeProxyReplacement: true
k8sServiceHost: 10.10.10.10
k8sServicePort: 6443
operator:
  replicas: 1
ingressController:
  enabled: true
  default: true
  loadbalancerMode: shared
  service:
    loadBalancerIP: 10.10.10.11

Cilium Version

1.15.13
1.16.6
1.17.0

Kernel Version

6.1.90-1-generic

Kubernetes Version

v1.29.10

Regression

No response

Sysdump

cilium-sysdump-20250207-144859.zip

Relevant log output

Anything else?

No response

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