roachtest: cluster_creation failed

roachtest.cluster_creation [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_Roachtests_RoachtestNightlyIbmBazel/19761332?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_Roachtests_RoachtestNightlyIbmBazel/19761332?buildTab=artifacts#/tpcc-nowait/w=1000/nodes=5/cpu=16) on master @ [cb9aa6e26818595037d719c028117f4927c6ab58](https://github.com/cockroachdb/cockroach/commits/cb9aa6e26818595037d719c028117f4927c6ab58):

```
test tpcc-nowait/w=1000/nodes=5/cpu=16 failed: (test_runner.go:850).func4: in provider: ibm: failed to create instance teamcity-19761332-1747974503-648-n6cpu16-0004 in region ca-tor: instance teamcity-19761332-1747974503-648-n6cpu16-0004 didn't reach stable state in 2m30s; [instance state: starting|network attached: false]
failed to create instance teamcity-19761332-1747974503-648-n6cpu16-0003 in region ca-tor: instance teamcity-19761332-1747974503-648-n6cpu16-0003 didn't reach stable state in 2m30s; [instance state: starting|network attached: false]
failed to create instance teamcity-19761332-1747974503-648-n6cpu16-0005 in region ca-tor: instance teamcity-19761332-1747974503-648-n6cpu16-0005 didn't reach stable state in 2m30s; [instance state: starting|network attached: false]
failed to create instance teamcity-19761332-1747974503-648-n6cpu16-0001 in region ca-tor: instance teamcity-19761332-1747974503-648-n6cpu16-0001 didn't reach stable state in 2m30s; [instance state: starting|network attached: false]
failed to create instance teamcity-19761332-1747974503-648-n6cpu16-0002 in region ca-tor: instance teamcity-19761332-1747974503-648-n6cpu16-0002 didn't reach stable state in 2m30s; [instance state: starting|network attached: false] [owner=test-eng]
```

Parameters:
- cloud=ibm
- coverageBuild=false
- cpu=16
- 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)

/cc @cockroachdb/test-eng

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Jira issue: CRDB-50923