[Release-1.27] - k3s-server creates improper etcd member name

[brandond]

Backport fix for k3s-server creates improper etcd member name

• k3s-server creates improper etcd member name #9521

[ShylajaDevadiga]

Issue is not reproducible in k3s. Reproduced it in rke2 here #9521 (comment)
Validated the etcd member name is displayed correctly on k3s version v1.27.12-rc1+k3s1 and rancher version v2.7.12-rc2

ubuntu@shyk3s27-pool1-bef584fb-928lq:~$ k3s -v
k3s version v1.27.12-rc1+k3s1 (78ad5756)
go version go1.21.8
ubuntu@shyk3s27-pool1-bef584fb-928lq:~$ sudo ETCDCTL_API=3 etcdctl --cert /var/lib/rancher/k3s/server/tls/etcd/server-client.crt --key /var/lib/rancher/k3s/server/tls/etcd/server-client.key --endpoints https://127.0.0.1:2379 --cacert /var/lib/rancher/k3s/server/tls/etcd/server-ca.crt member list -w table
+------------------+---------+----------------------------------------+----------------------------+----------------------------+
|        ID        | STATUS  |                  NAME                  |         PEER ADDRS         |        CLIENT ADDRS        |
+------------------+---------+----------------------------------------+----------------------------+----------------------------+
| 4039854d3de5adf2 | started | shyk3s27-pool1-bef584fb-q4td9-306d2998 | https://172.31.10.253:2380 | https://172.31.10.253:2379 |
| a23a6aa1439b4994 | started | shyk3s27-pool1-bef584fb-928lq-092581e5 |  https://172.31.3.110:2380 |  https://172.31.3.110:2379 |
| fc56a40a9a3164cd | started | shyk3s27-pool1-bef584fb-skjr9-e0d136ab |    https://172.31.0.4:2380 |    https://172.31.0.4:2379 |
+------------------+---------+----------------------------------------+----------------------------+----------------------------+
ubuntu@shyk3s27-pool1-bef584fb-928lq:~$