release-26.3.2-rc: roachtest: ssh_problem failed

**Note:** This build has runtime assertions enabled. If the same failure was hit in a run without assertions enabled, there should be a similar failure without this message. If there isn't one, then this failure is likely due to an assertion violation or (assertion) timeout.

roachtest.ssh_problem [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_Roachtests_RoachtestNightlyGcePrivateBazel/21499576?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_Roachtests_RoachtestNightlyGcePrivateBazel/21499576?buildTab=artifacts#/multi-store-remove) on release-26.3.2-rc @ [6149d98a3244ba2a3e4417d9e363da83e213e1b7](https://github.com/cockroachdb/cockroach/commits/6149d98a3244ba2a3e4417d9e363da83e213e1b7):

```
test multi-store-remove failed: (test_runner.go:1027).func4: not all nodes booted successfully: timed out after 5m: TRANSIENT_ERROR(ssh_problem): exit status 255 [owner=test-eng]
```

Parameters:
- cloud=gce
- coverageBuild=false
- cpu=4
- diskCount=2
- runtimeAssertionsBuild=true
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)

Same failure on other branches

- #174706 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.2.24-rc]
- #174702 release-26.2.7-rc: roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-26.2.7-rc]
- #174690 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.4.17-rc]
- #173564 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.4.15-rc]
- #173555 roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.2.23-rc]
- #173325 release-26.2.6-rc: roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-26.2.6-rc]
- #173324 release-26.2.6-rc: roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-26.2.6-rc]
- #173320 basalt-26.3: roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-basalt-26.3]
- #173321 basalt-26.3: roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-basalt-26.3]
- #173249 release-26.3.1-rc: roachtest: ssh_problem failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-26.3.1-rc]

/cc @cockroachlabs/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-67933

Start with the TeamCity log and artifacts for the multi-store-remove failure, then read pkg/cmd/roachtest/README.md for roachtest investigation guidance. Compare the repeated ssh_problem failures listed in this issue and determine the cause of the node boot timeout; done means the failure is addressed and the relevant roachtest no longer reports this problem.

Written by the indexing model from the issue text.