roachtest: ssh_problem failed

roachtest.ssh_problem [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/11207270?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/11207270?buildTab=artifacts#/follower-reads/survival=region/locality=global/reads=bounded-staleness) on release-23.1 @ [aad4fd4312460e6689f543eaff85b1bca8cebf91](https://github.com/cockroachdb/cockroach/commits/aad4fd4312460e6689f543eaff85b1bca8cebf91):

```
test follower-reads/survival=region/locality=global/reads=bounded-staleness failed due to (cluster.go:2146).Start: failed to upload start script: : _potential_ SSH flake (``ssh -vvv`` log retained under ssh/): SSH_PROBLEM: exit status 255
test artifacts and logs in: /artifacts/follower-reads/survival=region/locality=global/reads=bounded-staleness/run_1
```

Parameters: ROACHTEST_arch=amd64
, ROACHTEST_cloud=gce
, ROACHTEST_cpu=4
, ROACHTEST_encrypted=false
, ROACHTEST_fs=ext4
, ROACHTEST_localSSD=true
, ROACHTEST_ssd=0

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)

See: [Grafana](https://go.crdb.dev/p/roachfana/teamcity-11207270-1691300564-84-n6cpu4-geo/1691330908914/1691331031449)

Same failure on other branches

- #90695 roachtest: ssh_problem failed [C-test-failure O-roachtest O-robot T-testeng branch-master]

/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-30397