The second node took about 7 seconds to join in a single node cluster

### Bug report criteria

- [X] This bug report is not security related, security issues should be disclosed privately via [etcd maintainers](mailto:etcd-maintainers@googlegroups.com).
- [X] This is not a support request or question, support requests or questions should be raised in the etcd [discussion forums](https://github.com/etcd-io/etcd/discussions).
- [X] You have read the etcd [bug reporting guidelines](https://github.com/etcd-io/etcd/blob/main/Documentation/contributor-guide/reporting_bugs.md).
- [X] Existing open issues along with etcd [frequently asked questions](https://etcd.io/docs/latest/faq) have been checked and this is not a duplicate.

### What happened?

I started the first etcd node with option --force-new-cluster. Then I started the second node to join this new cluster. But it took 7 seconds to set up this cluster.

### What did you expect to happen?

The second node could join the cluster quickly.

### How can we reproduce it (as minimally and precisely as possible)?

1. Start the first etcd node with option --force-new-cluster
./etcd --name etcd_01 --data-dir etcd01 --listen-client-urls http://192.168.31.105:12379,http://127.0.0.1:12379 --advertise-client-urls http://192.168.31.105:12379 --initial-advertise-peer-urls http://192.168.31.105:12380 --listen-peer-urls http://192.168.31.105:12380 --initial-cluster-token etcd-cluster --initial-cluster etcd_01=http://192.168.31.105:12380 --force-new-cluster

2. Check the cluster member list successfully
./etcdctl --endpoints=192.168.31.105:12379 member list
7c0730f7752a5a15, started, etcd_01, http://192.168.31.105:12380, http://192.168.31.105:12379, false

3. Add the secode node to the cluster
./etcdctl --endpoints=192.168.31.105:12379 member add etcd_02 --peer-urls=http://192.168.31.106:12380
Member 40339f82f8313cbb added to cluster 5fb4c1b191df6a5b

ETCD_NAME="etcd_02"
ETCD_INITIAL_CLUSTER="etcd_02=http://192.168.31.106:12380,etcd_01=http://192.168.31.105:12380"
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.31.106:12380"
ETCD_INITIAL_CLUSTER_STATE="existing"

4.  Start the second etcd node 
./etcd --name etcd_02 --data-dir etcd02 --listen-client-urls http://192.168.31.106:12379,http://127.0.0.1:12379 --advertise-client-urls http://192.168.31.106:12379 --initial-advertise-peer-urls http://192.168.31.106:12380 --listen-peer-urls http://192.168.31.106:12380 --initial-cluster-token etcd-cluster-07311158 --initial-cluster etcd_01=http://192.168.31.105:12380,etcd_02=http://192.168.31.106:12380 --initial-cluster-state existing

5. Checking the cluster member list failed at the beginning
./etcdctl --endpoints=192.168.31.105:12379 member list
{"level":"warn","ts":"2024-07-31T13:31:53.591638+0800","logger":"etcd-client","caller":"v3@v3.5.9/retry_interceptor.go:62","msg":"retrying of unary invoker failed","target":"etcd-endpoints://0xc000362700/192.168.31.105:12379","attempt":0,"error":"rpc error: code = DeadlineExceeded desc = context deadline exceeded"}
Error: context deadline exceeded

6. After a few seconds, check the cluster member list successfully
./etcdctl --endpoints=192.168.31.105:12379 member list
40339f82f8313cbb, started, etcd_02, http://192.168.31.106:12380, http://192.168.31.106:12379, false
7c0730f7752a5a15, started, etcd_01, http://192.168.31.105:12380, http://192.168.31.105:12379, false



### Anything else we need to know?

I tried etcd-v3.5.9 and etcd-v3.5.15, both got the same result, but with different log output.

With etcd-v3.5.15, the etcd log showed 7 seconds absence between 13:32:42~13:32:49 when the second node started , reported two warnings "failed to reach the peer URL" and "failed to get downgrade enabled status" at 13:32:49.

```bash
{"level":"info","ts":"2024-07-31T13:32:42.416866+0800","caller":"netutil/netutil.go:112","msg":"resolved URL Host","url":"http://192.168.31.105:12380","host":"192.168.31.105:12380","resolved-addr":"192.168.31.105:12380"}
{"level":"info","ts":"2024-07-31T13:32:42.416933+0800","caller":"netutil/netutil.go:112","msg":"resolved URL Host","url":"http://192.168.31.106:12380","host":"192.168.31.106:12380","resolved-addr":"192.168.31.106:12380"}
{"level":"warn","ts":"2024-07-31T13:32:49.419147+0800","caller":"etcdserver/cluster_util.go:386","msg":"failed to reach the peer URL","address":"http://192.168.31.105:12380/downgrade/enabled","remote-member-id":"7c0730f7752a5a15","error":"Get \"http://192.168.31.105:12380/downgrade/enabled\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"}
{"level":"warn","ts":"2024-07-31T13:32:49.419219+0800","caller":"etcdserver/cluster_util.go:357","msg":"failed to get downgrade enabled status","remote-member-id":"7c0730f7752a5a15","error":"Get \"http://192.168.31.105:12380/downgrade/enabled\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"}
```

With etcd-v3.5.9, the etcd log also showed 7 seconds absence between 10:42:15~10:42:22 when the second node started , reported two warnings "failed to convert response" and "failed to get downgrade enabled status" at 10:42:22.

```bash
{"level":"info","ts":"2024-07-31T10:42:15.27614+0800","caller":"netutil/netutil.go:112","msg":"resolved URL Host","url":"http://192.168.31.105:12380","host":"192.168.31.105:12380","resolved-addr":"192.168.31.105:12380"}
{"level":"info","ts":"2024-07-31T10:42:15.276169+0800","caller":"netutil/netutil.go:112","msg":"resolved URL Host","url":"http://192.168.31.106:12380","host":"192.168.31.106:12380","resolved-addr":"192.168.31.106:12380"}
{"level":"warn","ts":"2024-07-31T10:42:22.285193+0800","caller":"etcdserver/cluster_util.go:428","msg":"failed to convert response","address":"http://192.168.31.105:12380/downgrade/enabled","remote-member-id":"997928936728488a","error":"strconv.ParseBool: parsing \"failed linearized read: context deadline exceeded\\n\": invalid syntax"}
{"level":"warn","ts":"2024-07-31T10:42:22.285262+0800","caller":"etcdserver/cluster_util.go:381","msg":"failed to get downgrade enabled status","remote-member-id":"997928936728488a","error":"strconv.ParseBool: parsing \"failed linearized read: context deadline exceeded\\n\": invalid syntax"}
```

### Etcd version (please run commands below)

<details>

```console
# ./etcd --version
etcd Version: 3.6.0-alpha.0
Git SHA: f181ced
Go Version: go1.22.5
Go OS/Arch: linux/amd64

# ./etcdctl version
etcdctl version: 3.6.0-alpha.0
API version: 3.6

```

</details>


### Etcd configuration (command line flags or environment variables)

<details>

#on the first node
./etcd --name etcd_01 --data-dir etcd01 --listen-client-urls http://192.168.31.105:12379,http://127.0.0.1:12379 --advertise-client-urls http://192.168.31.105:12379 --initial-advertise-peer-urls http://192.168.31.105:12380 --listen-peer-urls http://192.168.31.105:12380 --initial-cluster-token etcd-cluster-07311158 --initial-cluster etcd_01=http://192.168.31.105:12380 --force-new-cluster 

#no the second node
./etcdctl --endpoints=192.168.31.105:12379 member add etcd_02 --peer-urls=http://192.168.31.106:12380
./etcd --name etcd_02 --data-dir etcd02 --listen-client-urls http://192.168.31.106:12379,http://127.0.0.1:12379 --advertise-client-urls http://192.168.31.106:12379 --initial-advertise-peer-urls http://192.168.31.106:12380 --listen-peer-urls http://192.168.31.106:12380 --initial-cluster-token etcd-cluster-07311158 --initial-cluster etcd_01=http://192.168.31.105:12380,etcd_02=http://192.168.31.106:12380 --initial-cluster-state existing

</details>


### Etcd debug information (please run commands below, feel free to obfuscate the IP address or FQDN in the output)

<details>

```console
# ./etcdctl --endpoints=192.168.31.105:12379,192.168.31.106:12379 member list -w table
+------------------+---------+---------+-----------------------------+-----------------------------+------------+
|        ID        | STATUS  |  NAME   |         PEER ADDRS          |        CLIENT ADDRS         | IS LEARNER |
+------------------+---------+---------+-----------------------------+-----------------------------+------------+
| 40339f82f8313cbb | started | etcd_02 | http://192.168.31.106:12380 | http://192.168.31.106:12379 |      false |
| 7c0730f7752a5a15 | started | etcd_01 | http://192.168.31.105:12380 | http://192.168.31.105:12379 |      false |
+------------------+---------+---------+-----------------------------+-----------------------------+------------+


# ./etcdctl --endpoints=192.168.31.105:12379,192.168.31.106:12379 endpoint status -w table
+----------------------+------------------+---------------+---------+-----------+------------+-----------+------------+--------------------+--------+
|       ENDPOINT       |        ID        |    VERSION    | DB SIZE | IS LEADER | IS LEARNER | RAFT TERM | RAFT INDEX | RAFT APPLIED INDEX | ERRORS |
+----------------------+------------------+---------------+---------+-----------+------------+-----------+------------+--------------------+--------+
| 192.168.31.105:12379 | 7c0730f7752a5a15 | 3.6.0-alpha.0 |   20 kB |      true |      false |         3 |          7 |                  7 |        |
| 192.168.31.106:12379 | 40339f82f8313cbb | 3.6.0-alpha.0 |   20 kB |     false |      false |         3 |          7 |                  7 |        |
+----------------------+------------

</details>


### Relevant log output

```Shell
log output when the second node started:
# ./etcd --name etcd_02 --data-dir etcd02 --listen-client-urls http://192.168.31.106:12379,http://127.0.0.1:12379 --advertise-client-urls http://192.168.31.106:12379 --initial-advertise-peer-urls http://192.168.31.106:12380 --listen-peer-urls http://192.168.31.106:12380 --initial-cluster-token etcd-cluster-07311158 --initial-cluster etcd_01=http://192.168.31.105:12380,etcd_02=http://192.168.31.106:12380 --initial-cluster-state existing
{"level":"warn","ts":"2024-07-31T13:32:42.413207+0800","caller":"embed/config.go:940","msg":"Running http and grpc server on single port. This is not recommended for production."}
{"level":"info","ts":"2024-07-31T13:32:42.413275+0800","caller":"etcdmain/etcd.go:63","msg":"Running: ","args":["./etcd","--name","etcd_02","--data-dir","etcd02","--listen-client-urls","http://192.168.31.106:12379,http://127.0.0.1:12379","--advertise-client-urls","http://192.168.31.106:12379","--initial-advertise-peer-urls","http://192.168.31.106:12380","--listen-peer-urls","http://192.168.31.106:12380","--initial-cluster-token","etcd-cluster-07311158","--initial-cluster","etcd_01=http://192.168.31.105:12380,etcd_02=http://192.168.31.106:12380","--initial-cluster-state","existing"]}
{"level":"info","ts":"2024-07-31T13:32:42.413300+0800","caller":"etcdmain/etcd.go:123","msg":"Initialize and start etcd server","data-dir":"etcd02","dir-type":"empty"}
{"level":"warn","ts":"2024-07-31T13:32:42.413310+0800","caller":"embed/config.go:940","msg":"Running http and grpc server on single port. This is not recommended for production."}
{"level":"info","ts":"2024-07-31T13:32:42.413316+0800","caller":"embed/etcd.go:125","msg":"configuring peer listeners","listen-peer-urls":["http://192.168.31.106:12380"]}
{"level":"info","ts":"2024-07-31T13:32:42.413422+0800","caller":"embed/etcd.go:133","msg":"configuring client listeners","listen-client-urls":["http://127.0.0.1:12379","http://192.168.31.106:12379"]}
{"level":"info","ts":"2024-07-31T13:32:42.413474+0800","caller":"embed/etcd.go:315","msg":"starting an etcd server","etcd-version":"3.6.0-alpha.0","git-sha":"f181ced","go-version":"go1.22.5","go-os":"linux","go-arch":"amd64","max-cpu-set":2,"max-cpu-available":2,"member-initialized":false,"name":"etcd_02","data-dir":"etcd02","wal-dir":"","wal-dir-dedicated":"","member-dir":"etcd02/member","force-new-cluster":false,"heartbeat-interval":"100ms","election-timeout":"1s","initial-election-tick-advance":true,"snapshot-count":10000,"max-wals":5,"max-snapshots":5,"snapshot-catchup-entries":5000,"initial-advertise-peer-urls":["http://192.168.31.106:12380"],"listen-peer-urls":["http://192.168.31.106:12380"],"advertise-client-urls":["http://192.168.31.106:12379"],"listen-client-urls":["http://127.0.0.1:12379","http://192.168.31.106:12379"],"listen-metrics-urls":[],"experimental-set-member-localaddr":false,"experimental-local-address":"","cors":["*"],"host-whitelist":["*"],"initial-cluster":"etcd_01=http://192.168.31.105:12380,etcd_02=http://192.168.31.106:12380","initial-cluster-state":"existing","initial-cluster-token":"etcd-cluster-07311158","quota-backend-bytes":2147483648,"max-request-bytes":1572864,"max-concurrent-streams":4294967295,"pre-vote":true,"initial-corrupt-check":false,"corrupt-check-time-interval":"0s","compact-check-time-enabled":false,"compact-check-time-interval":"1m0s","auto-compaction-mode":"periodic","auto-compaction-retention":"0s","auto-compaction-interval":"0s","discovery-url":"","discovery-proxy":"","discovery-token":"","discovery-endpoints":"","discovery-dial-timeout":"2s","discovery-request-timeout":"5s","discovery-keepalive-time":"2s","discovery-keepalive-timeout":"6s","discovery-insecure-transport":true,"discovery-insecure-skip-tls-verify":false,"discovery-cert":"","discovery-key":"","discovery-cacert":"","discovery-user":"","downgrade-check-interval":"5s","max-learners":1}
{"level":"info","ts":"2024-07-31T13:32:42.413778+0800","logger":"bbolt","caller":"backend/backend.go:197","msg":"Opening db file (etcd02/member/snap/db) with mode 2d72772d2d2d2d2d2d2d and with options: {Timeout: 0s, NoGrowSync: false, NoFreelistSync: true, PreLoadFreelist: false, FreelistType: hashmap, ReadOnly: false, MmapFlags: 8000, InitialMmapSize: 10737418240, PageSize: 0, NoSync: false, OpenFile: 0x0, Mlock: false, Logger: 0xc000122088}"}
{"level":"info","ts":"2024-07-31T13:32:42.415503+0800","logger":"bbolt","caller":"bbolt@v1.4.0-alpha.1/db.go:321","msg":"Opening bbolt db (etcd02/member/snap/db) successfully"}
{"level":"info","ts":"2024-07-31T13:32:42.415584+0800","caller":"storage/backend.go:80","msg":"opened backend db","path":"etcd02/member/snap/db","took":"1.869628ms"}
{"level":"info","ts":"2024-07-31T13:32:42.415627+0800","caller":"etcdserver/bootstrap.go:93","msg":"bootstrapping cluster"}
{"level":"info","ts":"2024-07-31T13:32:42.416866+0800","caller":"netutil/netutil.go:112","msg":"resolved URL Host","url":"http://192.168.31.105:12380","host":"192.168.31.105:12380","resolved-addr":"192.168.31.105:12380"}
{"level":"info","ts":"2024-07-31T13:32:42.416933+0800","caller":"netutil/netutil.go:112","msg":"resolved URL Host","url":"http://192.168.31.106:12380","host":"192.168.31.106:12380","resolved-addr":"192.168.31.106:12380"}
{"level":"warn","ts":"2024-07-31T13:32:49.419147+0800","caller":"etcdserver/cluster_util.go:386","msg":"failed to reach the peer URL","address":"http://192.168.31.105:12380/downgrade/enabled","remote-member-id":"7c0730f7752a5a15","error":"Get \"http://192.168.31.105:12380/downgrade/enabled\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"}
{"level":"warn","ts":"2024-07-31T13:32:49.419219+0800","caller":"etcdserver/cluster_util.go:357","msg":"failed to get downgrade enabled status","remote-member-id":"7c0730f7752a5a15","error":"Get \"http://192.168.31.105:12380/downgrade/enabled\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"}
{"level":"info","ts":"2024-07-31T13:32:49.419251+0800","caller":"etcdserver/bootstrap.go:100","msg":"bootstrapping storage"}
{"level":"info","ts":"2024-07-31T13:32:49.422717+0800","caller":"etcdserver/bootstrap.go:108","msg":"bootstrapping raft"}
{"level":"info","ts":"2024-07-31T13:32:49.422756+0800","caller":"etcdserver/bootstrap.go:493","msg":"starting local member","local-member-id":"40339f82f8313cbb","cluster-id":"5fb4c1b191df6a5b"}
{"level":"info","ts":"2024-07-31T13:32:49.422767+0800","caller":"etcdserver/server.go:307","msg":"bootstrap successfully"}
{"level":"info","ts":"2024-07-31T13:32:49.422881+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1920","msg":"40339f82f8313cbb switched to configuration voters=()"}
{"level":"info","ts":"2024-07-31T13:32:49.422923+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:870","msg":"40339f82f8313cbb became follower at term 0"}
{"level":"info","ts":"2024-07-31T13:32:49.422933+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:483","msg":"newRaft 40339f82f8313cbb [peers: [], term: 0, commit: 0, applied: 0, lastindex: 0, lastterm: 0]"}
{"level":"warn","ts":"2024-07-31T13:32:49.424043+0800","caller":"auth/store.go:1134","msg":"simple token is not cryptographically signed"}
{"level":"info","ts":"2024-07-31T13:32:49.425120+0800","caller":"mvcc/kvstore.go:405","msg":"kvstore restored","current-rev":1}
{"level":"info","ts":"2024-07-31T13:32:49.427074+0800","caller":"storage/quota.go:93","msg":"enabled backend quota with default value","quota-name":"v3-applier","quota-size-bytes":2147483648,"quota-size":"2.1 GB"}
{"level":"info","ts":"2024-07-31T13:32:49.427264+0800","caller":"rafthttp/pipeline.go:72","msg":"started HTTP pipelining with remote peer","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.427277+0800","caller":"rafthttp/transport.go:286","msg":"added new remote peer","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15","remote-peer-urls":["http://192.168.31.105:12380"]}
{"level":"info","ts":"2024-07-31T13:32:49.427294+0800","caller":"rafthttp/peer.go:133","msg":"starting remote peer","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.427323+0800","caller":"rafthttp/pipeline.go:72","msg":"started HTTP pipelining with remote peer","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.428324+0800","caller":"rafthttp/stream.go:169","msg":"started stream writer with remote peer","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.428346+0800","caller":"rafthttp/stream.go:169","msg":"started stream writer with remote peer","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.428861+0800","caller":"rafthttp/peer.go:137","msg":"started remote peer","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.428884+0800","caller":"rafthttp/transport.go:317","msg":"added remote peer","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15","remote-peer-urls":["http://192.168.31.105:12380"]}
{"level":"info","ts":"2024-07-31T13:32:49.428901+0800","caller":"etcdserver/server.go:591","msg":"starting etcd server","local-member-id":"40339f82f8313cbb","local-server-version":"3.6.0-alpha.0","cluster-version":"to_be_decided"}
{"level":"info","ts":"2024-07-31T13:32:49.428890+0800","caller":"rafthttp/stream.go:395","msg":"started stream reader with remote peer","stream-reader-type":"stream Message","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.429056+0800","caller":"rafthttp/stream.go:395","msg":"started stream reader with remote peer","stream-reader-type":"stream MsgApp v2","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.429169+0800","caller":"embed/etcd.go:284","msg":"now serving peer/client/metrics","local-member-id":"40339f82f8313cbb","initial-advertise-peer-urls":["http://192.168.31.106:12380"],"listen-peer-urls":["http://192.168.31.106:12380"],"advertise-client-urls":["http://192.168.31.106:12379"],"listen-client-urls":["http://127.0.0.1:12379","http://192.168.31.106:12379"],"listen-metrics-urls":[]}
{"level":"info","ts":"2024-07-31T13:32:49.429246+0800","caller":"etcdserver/server.go:492","msg":"starting initial election tick advance","election-ticks":10}
{"level":"info","ts":"2024-07-31T13:32:49.429311+0800","caller":"fileutil/purge.go:49","msg":"started to purge file","dir":"etcd02/member/snap","suffix":"snap.db","max":5,"interval":"30s"}
{"level":"info","ts":"2024-07-31T13:32:49.429335+0800","caller":"embed/etcd.go:611","msg":"serving peer traffic","address":"192.168.31.106:12380"}
{"level":"info","ts":"2024-07-31T13:32:49.429344+0800","caller":"embed/etcd.go:583","msg":"cmux::serve","address":"192.168.31.106:12380"}
{"level":"info","ts":"2024-07-31T13:32:49.429338+0800","caller":"fileutil/purge.go:49","msg":"started to purge file","dir":"etcd02/member/snap","suffix":"snap","max":5,"interval":"30s"}
{"level":"info","ts":"2024-07-31T13:32:49.429472+0800","caller":"fileutil/purge.go:49","msg":"started to purge file","dir":"etcd02/member/wal","suffix":"wal","max":5,"interval":"30s"}
{"level":"info","ts":"2024-07-31T13:32:49.429627+0800","caller":"rafthttp/stream.go:249","msg":"set message encoder","from":"40339f82f8313cbb","to":"7c0730f7752a5a15","stream-type":"stream MsgApp v2"}
{"level":"info","ts":"2024-07-31T13:32:49.429640+0800","caller":"rafthttp/peer_status.go:53","msg":"peer became active","peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.429640+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1191","msg":"40339f82f8313cbb [logterm: 0, index: 0, vote: 0] cast MsgPreVote for 7c0730f7752a5a15 [logterm: 2, index: 5] at term 0"}
{"level":"info","ts":"2024-07-31T13:32:49.429652+0800","caller":"rafthttp/stream.go:274","msg":"established TCP streaming connection with remote peer","stream-writer-type":"stream MsgApp v2","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.429736+0800","caller":"rafthttp/stream.go:249","msg":"set message encoder","from":"40339f82f8313cbb","to":"7c0730f7752a5a15","stream-type":"stream Message"}
{"level":"info","ts":"2024-07-31T13:32:49.429746+0800","caller":"rafthttp/stream.go:274","msg":"established TCP streaming connection with remote peer","stream-writer-type":"stream Message","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.430009+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1191","msg":"40339f82f8313cbb [logterm: 0, index: 0, vote: 0] cast MsgPreVote for 7c0730f7752a5a15 [logterm: 2, index: 5] at term 0"}
{"level":"info","ts":"2024-07-31T13:32:49.430138+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1191","msg":"40339f82f8313cbb [logterm: 0, index: 0, vote: 0] cast MsgPreVote for 7c0730f7752a5a15 [logterm: 2, index: 5] at term 0"}
{"level":"info","ts":"2024-07-31T13:32:49.430221+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1191","msg":"40339f82f8313cbb [logterm: 0, index: 0, vote: 0] cast MsgPreVote for 7c0730f7752a5a15 [logterm: 2, index: 5] at term 0"}
{"level":"info","ts":"2024-07-31T13:32:49.430787+0800","caller":"rafthttp/stream.go:412","msg":"established TCP streaming connection with remote peer","stream-reader-type":"stream MsgApp v2","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.430798+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1191","msg":"40339f82f8313cbb [logterm: 0, index: 0, vote: 0] cast MsgPreVote for 7c0730f7752a5a15 [logterm: 2, index: 5] at term 0"}
{"level":"info","ts":"2024-07-31T13:32:49.431038+0800","caller":"rafthttp/stream.go:412","msg":"established TCP streaming connection with remote peer","stream-reader-type":"stream Message","local-member-id":"40339f82f8313cbb","remote-peer-id":"7c0730f7752a5a15"}
{"level":"info","ts":"2024-07-31T13:32:49.432380+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1078","msg":"40339f82f8313cbb [term: 0] received a MsgVote message with higher term from 7c0730f7752a5a15 [term: 3]"}
{"level":"info","ts":"2024-07-31T13:32:49.432431+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:870","msg":"40339f82f8313cbb became follower at term 3"}
{"level":"info","ts":"2024-07-31T13:32:49.432443+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1191","msg":"40339f82f8313cbb [logterm: 0, index: 0, vote: 0] cast MsgVote for 7c0730f7752a5a15 [logterm: 2, index: 5] at term 3"}
{"level":"info","ts":"2024-07-31T13:32:49.433758+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/node.go:370","msg":"raft.node: 40339f82f8313cbb elected leader 7c0730f7752a5a15 at term 3"}
{"level":"info","ts":"2024-07-31T13:32:49.434581+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1920","msg":"40339f82f8313cbb switched to configuration voters=(8937165824920803861)"}
{"level":"info","ts":"2024-07-31T13:32:49.434650+0800","caller":"membership/cluster.go:411","msg":"added member","cluster-id":"5fb4c1b191df6a5b","local-member-id":"40339f82f8313cbb","added-peer-id":"7c0730f7752a5a15","added-peer-peer-urls":["http://192.168.31.105:12380"],"added-peer-is-learner":false}
{"level":"info","ts":"2024-07-31T13:32:49.434712+0800","caller":"membership/cluster.go:594","msg":"set initial cluster version","cluster-id":"5fb4c1b191df6a5b","local-member-id":"40339f82f8313cbb","cluster-version":"3.6"}
{"level":"info","ts":"2024-07-31T13:32:49.434774+0800","caller":"api/capability.go:76","msg":"enabled capabilities for version","cluster-version":"3.6"}
{"level":"info","ts":"2024-07-31T13:32:49.434810+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1920","msg":"40339f82f8313cbb switched to configuration voters=(4626216627098172603 8937165824920803861)"}
{"level":"info","ts":"2024-07-31T13:32:49.434837+0800","caller":"membership/cluster.go:411","msg":"added member","cluster-id":"5fb4c1b191df6a5b","local-member-id":"40339f82f8313cbb","added-peer-id":"40339f82f8313cbb","added-peer-peer-urls":["http://192.168.31.106:12380"],"added-peer-is-learner":false}
{"level":"warn","ts":"2024-07-31T13:32:49.434883+0800","caller":"etcdserver/server.go:2222","msg":"Failed to detect schema version","error":"missing confstate information"}
{"level":"error","ts":"2024-07-31T13:32:49.434903+0800","caller":"version/monitor.go:120","msg":"failed to update storage version","cluster-version":"3.6.0","error":"cannot detect storage schema version: missing confstate information","stacktrace":"go.etcd.io/etcd/server/v3/etcdserver/version.(*Monitor).UpdateStorageVersionIfNeeded\n\tgo.etcd.io/etcd/server/v3/etcdserver/version/monitor.go:120\ngo.etcd.io/etcd/server/v3/etcdserver.(*EtcdServer).monitorStorageVersion\n\tgo.etcd.io/etcd/server/v3/etcdserver/server.go:2263\ngo.etcd.io/etcd/server/v3/etcdserver.(*EtcdServer).GoAttach.func1\n\tgo.etcd.io/etcd/server/v3/etcdserver/server.go:2444"}
{"level":"warn","ts":"2024-07-31T13:32:49.436333+0800","caller":"etcdserver/server.go:2222","msg":"Failed to detect schema version","error":"missing confstate information"}
{"level":"info","ts":"2024-07-31T13:32:49.436342+0800","caller":"etcdserver/server.go:1780","msg":"published local member to cluster through raft","local-member-id":"40339f82f8313cbb","local-member-attributes":"{Name:etcd_02 ClientURLs:[http://192.168.31.106:12379]}","cluster-id":"5fb4c1b191df6a5b","publish-timeout":"7s"}
{"level":"info","ts":"2024-07-31T13:32:49.436388+0800","caller":"embed/serve.go:104","msg":"ready to serve client requests"}
{"level":"info","ts":"2024-07-31T13:32:49.436433+0800","caller":"embed/serve.go:104","msg":"ready to serve client requests"}
{"level":"info","ts":"2024-07-31T13:32:49.436513+0800","caller":"etcdmain/main.go:44","msg":"notifying init daemon"}
{"level":"info","ts":"2024-07-31T13:32:49.436521+0800","caller":"etcdmain/main.go:50","msg":"successfully notified init daemon"}
{"level":"info","ts":"2024-07-31T13:32:49.436889+0800","caller":"v3rpc/health.go:62","msg":"grpc service status changed","service":"","status":"SERVING"}
{"level":"info","ts":"2024-07-31T13:32:49.437089+0800","caller":"v3rpc/health.go:62","msg":"grpc service status changed","service":"","status":"SERVING"}
{"level":"info","ts":"2024-07-31T13:32:49.438005+0800","caller":"embed/serve.go:188","msg":"serving client traffic insecurely; this is strongly discouraged!","traffic":"grpc+http","address":"192.168.31.106:12379"}
{"level":"info","ts":"2024-07-31T13:32:49.438208+0800","caller":"embed/serve.go:188","msg":"serving client traffic insecurely; this is strongly discouraged!","traffic":"grpc+http","address":"127.0.0.1:12379"}
{"level":"info","ts":"2024-07-31T13:32:53.436050+0800","caller":"version/monitor.go:116","msg":"cluster version differs from storage version.","cluster-version":"3.6.0","storage-version":"3.5.0"}
{"level":"info","ts":"2024-07-31T13:32:53.436124+0800","caller":"schema/migration.go:65","msg":"updated storage version","new-storage-version":"3.6.0"}


log output on the first node during second node started:
{"level":"info","ts":"2024-07-31T13:32:41.802493+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:956","msg":"7c0730f7752a5a15 is starting a new election at term 2"}
{"level":"info","ts":"2024-07-31T13:32:41.802531+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:899","msg":"7c0730f7752a5a15 became pre-candidate at term 2"}
{"level":"info","ts":"2024-07-31T13:32:41.802549+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1030","msg":"7c0730f7752a5a15 [logterm: 2, index: 5] sent MsgPreVote request to 40339f82f8313cbb at term 2"}
{"level":"info","ts":"2024-07-31T13:32:41.802568+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgPreVoteResp from 7c0730f7752a5a15 at term 2"}
{"level":"info","ts":"2024-07-31T13:32:41.802575+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 1 MsgPreVoteResp votes and 0 vote rejections"}
{"level":"info","ts":"2024-07-31T13:32:43.164875+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:956","msg":"7c0730f7752a5a15 is starting a new election at term 2"}
{"level":"info","ts":"2024-07-31T13:32:43.164921+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:899","msg":"7c0730f7752a5a15 became pre-candidate at term 2"}
{"level":"info","ts":"2024-07-31T13:32:43.164937+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1030","msg":"7c0730f7752a5a15 [logterm: 2, index: 5] sent MsgPreVote request to 40339f82f8313cbb at term 2"}
{"level":"info","ts":"2024-07-31T13:32:43.164957+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgPreVoteResp from 7c0730f7752a5a15 at term 2"}
{"level":"info","ts":"2024-07-31T13:32:43.164963+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 1 MsgPreVoteResp votes and 0 vote rejections"}
{"level":"info","ts":"2024-07-31T13:32:44.664981+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:956","msg":"7c0730f7752a5a15 is starting a new election at term 2"}
{"level":"info","ts":"2024-07-31T13:32:44.665013+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:899","msg":"7c0730f7752a5a15 became pre-candidate at term 2"}
{"level":"info","ts":"2024-07-31T13:32:44.665026+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1030","msg":"7c0730f7752a5a15 [logterm: 2, index: 5] sent MsgPreVote request to 40339f82f8313cbb at term 2"}
{"level":"info","ts":"2024-07-31T13:32:44.665045+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgPreVoteResp from 7c0730f7752a5a15 at term 2"}
{"level":"info","ts":"2024-07-31T13:32:44.665052+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 1 MsgPreVoteResp votes and 0 vote rejections"}
{"level":"warn","ts":"2024-07-31T13:32:45.890793+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"info","ts":"2024-07-31T13:32:46.064774+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:956","msg":"7c0730f7752a5a15 is starting a new election at term 2"}
{"level":"info","ts":"2024-07-31T13:32:46.064815+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:899","msg":"7c0730f7752a5a15 became pre-candidate at term 2"}
{"level":"info","ts":"2024-07-31T13:32:46.064841+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1030","msg":"7c0730f7752a5a15 [logterm: 2, index: 5] sent MsgPreVote request to 40339f82f8313cbb at term 2"}
{"level":"info","ts":"2024-07-31T13:32:46.064862+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgPreVoteResp from 7c0730f7752a5a15 at term 2"}
{"level":"info","ts":"2024-07-31T13:32:46.064868+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 1 MsgPreVoteResp votes and 0 vote rejections"}
{"level":"warn","ts":"2024-07-31T13:32:46.391821+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"warn","ts":"2024-07-31T13:32:46.506772+0800","caller":"rafthttp/probing_status.go:68","msg":"prober detected unhealthy status","round-tripper-name":"ROUND_TRIPPER_SNAPSHOT","remote-peer-id":"40339f82f8313cbb","rtt":"0s","error":"dial tcp 192.168.31.106:12380: connect: connection refused"}
{"level":"warn","ts":"2024-07-31T13:32:46.506799+0800","caller":"rafthttp/probing_status.go:68","msg":"prober detected unhealthy status","round-tripper-name":"ROUND_TRIPPER_RAFT_MESSAGE","remote-peer-id":"40339f82f8313cbb","rtt":"0s","error":"dial tcp 192.168.31.106:12380: connect: connection refused"}
{"level":"warn","ts":"2024-07-31T13:32:46.892434+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"warn","ts":"2024-07-31T13:32:47.394420+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"info","ts":"2024-07-31T13:32:47.464688+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:956","msg":"7c0730f7752a5a15 is starting a new election at term 2"}
{"level":"info","ts":"2024-07-31T13:32:47.464724+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:899","msg":"7c0730f7752a5a15 became pre-candidate at term 2"}
{"level":"info","ts":"2024-07-31T13:32:47.464739+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1030","msg":"7c0730f7752a5a15 [logterm: 2, index: 5] sent MsgPreVote request to 40339f82f8313cbb at term 2"}
{"level":"info","ts":"2024-07-31T13:32:47.464757+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgPreVoteResp from 7c0730f7752a5a15 at term 2"}
{"level":"info","ts":"2024-07-31T13:32:47.464765+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 1 MsgPreVoteResp votes and 0 vote rejections"}
{"level":"warn","ts":"2024-07-31T13:32:47.896854+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"warn","ts":"2024-07-31T13:32:48.397292+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"info","ts":"2024-07-31T13:32:48.864186+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:956","msg":"7c0730f7752a5a15 is starting a new election at term 2"}
{"level":"info","ts":"2024-07-31T13:32:48.864230+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:899","msg":"7c0730f7752a5a15 became pre-candidate at term 2"}
{"level":"info","ts":"2024-07-31T13:32:48.864250+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1030","msg":"7c0730f7752a5a15 [logterm: 2, index: 5] sent MsgPreVote request to 40339f82f8313cbb at term 2"}
{"level":"info","ts":"2024-07-31T13:32:48.864272+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgPreVoteResp from 7c0730f7752a5a15 at term 2"}
{"level":"info","ts":"2024-07-31T13:32:48.864280+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 1 MsgPreVoteResp votes and 0 vote rejections"}
{"level":"warn","ts":"2024-07-31T13:32:48.905423+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"warn","ts":"2024-07-31T13:32:49.460680+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"warn","ts":"2024-07-31T13:32:49.962647+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"info","ts":"2024-07-31T13:32:50.264437+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:956","msg":"7c0730f7752a5a15 is starting a new election at term 2"}
{"level":"info","ts":"2024-07-31T13:32:50.264477+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:899","msg":"7c0730f7752a5a15 became pre-candidate at term 2"}
{"level":"info","ts":"2024-07-31T13:32:50.264493+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1030","msg":"7c0730f7752a5a15 [logterm: 2, index: 5] sent MsgPreVote request to 40339f82f8313cbb at term 2"}
{"level":"info","ts":"2024-07-31T13:32:50.264518+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgPreVoteResp from 7c0730f7752a5a15 at term 2"}
{"level":"info","ts":"2024-07-31T13:32:50.264525+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 1 MsgPreVoteResp votes and 0 vote rejections"}
{"level":"warn","ts":"2024-07-31T13:32:50.463221+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"warn","ts":"2024-07-31T13:32:50.964455+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"warn","ts":"2024-07-31T13:32:51.475092+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"warn","ts":"2024-07-31T13:32:51.516498+0800","caller":"rafthttp/probing_status.go:68","msg":"prober detected unhealthy status","round-tripper-name":"ROUND_TRIPPER_RAFT_MESSAGE","remote-peer-id":"40339f82f8313cbb","rtt":"0s","error":"dial tcp 192.168.31.106:12380: connect: connection refused"}
{"level":"warn","ts":"2024-07-31T13:32:51.516528+0800","caller":"rafthttp/probing_status.go:68","msg":"prober detected unhealthy status","round-tripper-name":"ROUND_TRIPPER_SNAPSHOT","remote-peer-id":"40339f82f8313cbb","rtt":"0s","error":"dial tcp 192.168.31.106:12380: connect: connection refused"}
{"level":"info","ts":"2024-07-31T13:32:51.664404+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:956","msg":"7c0730f7752a5a15 is starting a new election at term 2"}
{"level":"info","ts":"2024-07-31T13:32:51.664445+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:899","msg":"7c0730f7752a5a15 became pre-candidate at term 2"}
{"level":"info","ts":"2024-07-31T13:32:51.664460+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1030","msg":"7c0730f7752a5a15 [logterm: 2, index: 5] sent MsgPreVote request to 40339f82f8313cbb at term 2"}
{"level":"info","ts":"2024-07-31T13:32:51.664480+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgPreVoteResp from 7c0730f7752a5a15 at term 2"}
{"level":"info","ts":"2024-07-31T13:32:51.664488+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 1 MsgPreVoteResp votes and 0 vote rejections"}
{"level":"warn","ts":"2024-07-31T13:32:51.977379+0800","caller":"etcdserver/v3_server.go:909","msg":"waiting for ReadIndex response took too long, retrying","sent-request-id":6491253898331065351,"retry-timeout":"500ms"}
{"level":"warn","ts":"2024-07-31T13:32:52.391315+0800","caller":"etcdserver/v3_server.go:921","msg":"timed out waiting for read index response (local node might have slow network)","timeout":"7s"}
{"level":"info","ts":"2024-07-31T13:32:52.401962+0800","caller":"rafthttp/peer_status.go:53","msg":"peer became active","peer-id":"40339f82f8313cbb"}
{"level":"info","ts":"2024-07-31T13:32:52.402003+0800","caller":"rafthttp/stream.go:412","msg":"established TCP streaming connection with remote peer","stream-reader-type":"stream MsgApp v2","local-member-id":"7c0730f7752a5a15","remote-peer-id":"40339f82f8313cbb"}
{"level":"info","ts":"2024-07-31T13:32:52.402559+0800","caller":"rafthttp/stream.go:249","msg":"set message encoder","from":"7c0730f7752a5a15","to":"40339f82f8313cbb","stream-type":"stream Message"}
{"level":"info","ts":"2024-07-31T13:32:52.402577+0800","caller":"rafthttp/stream.go:274","msg":"established TCP streaming connection with remote peer","stream-writer-type":"stream Message","local-member-id":"7c0730f7752a5a15","remote-peer-id":"40339f82f8313cbb"}
{"level":"info","ts":"2024-07-31T13:32:52.402689+0800","caller":"rafthttp/stream.go:249","msg":"set message encoder","from":"7c0730f7752a5a15","to":"40339f82f8313cbb","stream-type":"stream MsgApp v2"}
{"level":"info","ts":"2024-07-31T13:32:52.402701+0800","caller":"rafthttp/stream.go:274","msg":"established TCP streaming connection with remote peer","stream-writer-type":"stream MsgApp v2","local-member-id":"7c0730f7752a5a15","remote-peer-id":"40339f82f8313cbb"}
{"level":"info","ts":"2024-07-31T13:32:52.402796+0800","caller":"rafthttp/stream.go:412","msg":"established TCP streaming connection with remote peer","stream-reader-type":"stream Message","local-member-id":"7c0730f7752a5a15","remote-peer-id":"40339f82f8313cbb"}
{"level":"info","ts":"2024-07-31T13:32:52.402843+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgPreVoteResp from 40339f82f8313cbb at term 2"}
{"level":"info","ts":"2024-07-31T13:32:52.402858+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 2 MsgPreVoteResp votes and 0 vote rejections"}
{"level":"info","ts":"2024-07-31T13:32:52.402876+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:883","msg":"7c0730f7752a5a15 became candidate at term 3"}
{"level":"info","ts":"2024-07-31T13:32:52.402887+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1030","msg":"7c0730f7752a5a15 [logterm: 2, index: 5] sent MsgVote request to 40339f82f8313cbb at term 3"}
{"level":"info","ts":"2024-07-31T13:32:52.404043+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgVoteResp from 7c0730f7752a5a15 at term 3"}
{"level":"info","ts":"2024-07-31T13:32:52.404071+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 1 MsgVoteResp votes and 0 vote rejections"}
{"level":"info","ts":"2024-07-31T13:32:52.405563+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1043","msg":"7c0730f7752a5a15 received MsgVoteResp from 40339f82f8313cbb at term 3"}
{"level":"info","ts":"2024-07-31T13:32:52.405603+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:1649","msg":"7c0730f7752a5a15 has received 2 MsgVoteResp votes and 0 vote rejections"}
{"level":"info","ts":"2024-07-31T13:32:52.405630+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/raft.go:938","msg":"7c0730f7752a5a15 became leader at term 3"}
{"level":"info","ts":"2024-07-31T13:32:52.405649+0800","logger":"raft","caller":"v3@v3.6.0-alpha.0/node.go:370","msg":"raft.node: 7c0730f7752a5a15 elected leader 7c0730f7752a5a15 at term 3"}
{"level":"warn","ts":"2024-07-31T13:32:56.518983+0800","caller":"rafthttp/probing_status.go:82","msg":"prober found high clock drift","round-tripper-name":"ROUND_TRIPPER_RAFT_MESSAGE","remote-peer-id":"40339f82f8313cbb","clock-drift":"2.722000374s","rtt":"500.306964ms"}
```


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The second node took about 7 seconds to join in a single node cluster #18385

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