Lightning failed to parse host

[lilinghai]

Bug Report

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1. Minimal reproduce step (Required)

[2023/08/02 13:26:54.523 +08:00] [INFO] [cmd.go:141] ["Start remote command"] [cmd="/tidb-lightning \"-pd-urls\" \"tc-pd.e2e-htap-mutiple-disks-tps-1831572-1-598:2379\" \"-tidb-host\" \"tc-tidb.e2e-htap-mutiple-disks-tps-1831572-1-598\" \"-tidb-port\" \"4000\" \"-tidb-user\" \"root\" \"-tidb-password\" \"\" \"-backend\" \"local\" \"-sorted-kv-dir\" \"/tmp/sorted-kv-dir\" \"-d\" \"s3://nfs/tiflash/csv-tpcc-100?access-key=minioadmin&secret-access-key=minioadmin&endpoint=http%3a%2f%[2fminio.pingcap.net](http://2fminio.pingcap.net/)%3a9000&force-path-style=true\" \"-c\" \"/lightning.yaml\""] [nodename=lightning]
Verbose debug logs will be written to /tmp/lightning.log.2023-08-02T05.26.54Z
tidb lightning encountered error: [Lightning:KV:ErrCheckKVVersion]check tikv version error: Get "http://http//tc-pd-2.tc-pd-peer.e2e-htap-mutiple-disks-tps-1831572-1-598.svc:2379/pd/api/v1/stores": dial tcp: lookup http on [169.254.25.10:53](http://169.254.25.10:53/): no such host

2. What did you expect to see? (Required)

3. What did you see instead (Required)

4. What is your TiDB version? (Required)

master