roachtest: ssh_problem failed

roachtest.ssh_problem [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAwsBazel/18402844?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAwsBazel/18402844?buildTab=artifacts#/ycsb/C/nodes=3/cpu=32) on release-23.2.19-rc @ [9577e2fa2e0a2dd6bae286ec1a3e89714e0cdeef](https://github.com/cockroachdb/cockroach/commits/9577e2fa2e0a2dd6bae286ec1a3e89714e0cdeef):

```
test ycsb/C/nodes=3/cpu=32 failed: (cluster.go:2205).Start: _potential_ SSH flake (``ssh -vvv`` log retained in /artifacts/ycsb/C/nodes=3/cpu=32/cpu_arch=arm64/run_1/ssh/ssh_080321.989411065_n3_upload-start-script.log): TRANSIENT_ERROR(ssh_problem): exit status 255
test artifacts and logs in: /artifacts/ycsb/C/nodes=3/cpu=32/cpu_arch=arm64/run_1
```

Parameters:
- ROACHTEST_arch=arm64
- ROACHTEST_cloud=aws
- ROACHTEST_coverageBuild=false
- ROACHTEST_cpu=32
- ROACHTEST_encrypted=false
- ROACHTEST_metamorphicBuild=false
- ROACHTEST_ssd=0
Help

See: [roachtest README](https://github.com/cockroachdb/cockroach/blob/master/pkg/cmd/roachtest/README.md)

See: [How To Investigate \(internal\)](https://cockroachlabs.atlassian.net/l/c/SSSBr8c7)

_Grafana is not yet available for aws clusters_

Same failure on other branches

- #138029 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.2.8-rc]
- #137992 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.1.10-rc]
- #137980 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.3.3-rc]
- #136346 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.3.1-rc]
- #136285 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.2.6-rc]
- #136280 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-23.2.17-rc]
- #136188 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.1.8-rc]
- #134939 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.3.0-rc]
- #134500 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-23.2.15-rc]
- #134374 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake]

/cc @cockroachdb/test-eng

[This test on roachdash](https://roachdash.crdb.dev/?filter=status:open%20t:.*ssh_problem.*&sort=title+created&display=lastcommented+project) | [Improve this report!](https://github.com/cockroachdb/cockroach/tree/master/pkg/cmd/internal/issues)

Jira issue: CRDB-46058