[bitnami/etcd] there are 6 members when replica is 3

[liujin1993]

Name and Version

bitnami/etcd 7.x~11.x

What architecture are you using?

None

What steps will reproduce the bug?

helm install etcd oci://registry-1.docker.io/bitnamicharts/etcd -f myvalues.yaml

Are you using any custom parameters or values?

replicaCount: 3

persistence:
  enabled: false

What is the expected behavior?

3 members in etcd cluster

What do you see instead?

When I excute etcdctl endpoint status --cluster --write-out=table in pod, there are six members in etcd cluster. Three of them are services, each randomly pointing to different pods（when point to etcd-2, it becomes leader）

Additional information

It is associated with ETCD_ADVERTISE_CLIENT_URLS(7fb8d7e), which contains service.

I feel this situation is prone to misunderstandings.