roachtest: ssh_problem failed

roachtest.ssh_problem [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAwsBazel/18864052?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAwsBazel/18864052?buildTab=artifacts#/kv0/enc=false/nodes=1/mt-shared-process) on release-24.3.7-rc @ [7d3c3da3a2daa0889bee14b1b815a2f5e86b44a7](https://github.com/cockroachdb/cockroach/commits/7d3c3da3a2daa0889bee14b1b815a2f5e86b44a7):

```
test kv0/enc=false/nodes=1/mt-shared-process failed: (cluster.go:2473).Run: full command output in run_064959.142455924_n2_cockroach-workload-r.log: error persisted after 3 attempts: _potential_ SSH flake (``ssh -vvv`` log retained in /artifacts/kv0/enc=false/nodes=1/mt-shared-process/run_1/ssh/ssh_064959.169323477_n2_cockroach-workload-r.log): TRANSIENT_ERROR(ssh_problem): exit status 255
(monitor.go:149).Wait: monitor failure: monitor user task failed: t.Fatal() was called
test artifacts and logs in: /artifacts/kv0/enc=false/nodes=1/mt-shared-process/run_1
```

Parameters:
- arch=amd64
- cloud=aws
- coverageBuild=false
- cpu=8
- encrypted=false
- fs=ext4
- localSSD=true
- runtimeAssertionsBuild=false
- 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

- #140793 roachtest: ssh_problem failed [O-roachtest O-robot O-rsg T-testeng X-infra-flake branch-release-25.1.0-rc]
- #140365 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.1.12-rc]
- #140343 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.3.5-rc]
- #140341 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.2.10-rc]
- #140099 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-23.2.20-rc]
- #139629 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.1.11-rc]
- #139626 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.3.4-rc]
- #139623 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.2.9-rc]
- #139209 roachtest: ssh_problem failed [O-roachtest O-robot O-rsg T-testeng X-infra-flake branch-release-25.1]
- #138364 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-23.2.19-rc]

/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/bazci/githubpost/issues)

Jira issue: CRDB-47952