roachtest: backup/ceph/squid/plain failed

roachtest.backup/ceph/squid/plain [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/21275199?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/21275199?buildTab=artifacts#/backup/ceph/squid/plain) on release-26.1 @ [e31eab9b4c7acefe0ac585e3cdc61de891a49aaa](https://github.com/cockroachdb/cockroach/commits/e31eab9b4c7acefe0ac585e3cdc61de891a49aaa):

Failed with:

```
(cluster.go:2512).Run: full command output in run_062242.720595427_n4_tmpcephInitsh.log: COMMAND_PROBLEM: exit status 1
test artifacts and logs in: /artifacts/backup/ceph/squid/plain/cpu_arch=fips/run_1
```
Cluster Node to Ip Mapping:
| Node | Public IP | Private IP |
| --- | --- | --- |
| teamcity-21275199-1773986876-16-n4cpu4-0001 | 35.196.155.192 | 10.142.2.255 |
| teamcity-21275199-1773986876-16-n4cpu4-0002 | 34.73.16.15 | 10.142.2.247 |
| teamcity-21275199-1773986876-16-n4cpu4-0003 | 35.231.72.157 | 10.142.2.250 |
| teamcity-21275199-1773986876-16-n4cpu4-0004 | 34.139.163.117 | 10.142.0.206 |

Parameters:
- arch=fips
- cloud=gce
- coverageBuild=false
- cpu=4
- diskCount=0
- encrypted=true
- metamorphicLeases=default
- metamorphicWriteBuffering=true
- runtimeAssertionsBuild=false
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)

See: [Grafana](https://go.crdb.dev/roachtest-grafana/teamcity-21275199/backup-ceph-squid-plain/1773987723596/1773987984921)

/cc @cockroachdb/field-engineering

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

Jira issue: CRDB-61814