roachtest: backup/ceph/squid/tlsSkipVerify 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.backup/ceph/squid/tlsSkipVerify [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/21252313?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyGceBazel/21252313?buildTab=artifacts#/backup/ceph/squid/tlsSkipVerify) on release-26.1 @ [f2b553086cb15bb7d2c2903d12051e878e47084c](https://github.com/cockroachdb/cockroach/commits/f2b553086cb15bb7d2c2903d12051e878e47084c):

Failed with:

```
(cluster.go:2512).Run: full command output in run_071129.459550116_n4_sudo-radosgwadmin-ke.log: COMMAND_PROBLEM: exit status 139
test artifacts and logs in: /artifacts/backup/ceph/squid/tlsSkipVerify/run_1
```
Cluster Node to Ip Mapping:
| Node | Public IP | Private IP |
| --- | --- | --- |
| teamcity-21252313-1773468381-29-n4cpu4-0001 | 35.185.93.248 | 10.142.2.157 |
| teamcity-21252313-1773468381-29-n4cpu4-0002 | 35.185.30.137 | 10.142.2.167 |
| teamcity-21252313-1773468381-29-n4cpu4-0003 | 35.196.207.169 | 10.142.2.100 |
| teamcity-21252313-1773468381-29-n4cpu4-0004 | 34.23.236.99 | 10.142.2.91 |

Parameters:
- arch=amd64
- cloud=gce
- coverageBuild=false
- cpu=4
- diskCount=0
- encrypted=false
- fs=ext4
- localSSD=true
- metamorphicLeases=expiration
- metamorphicWriteBuffering=true
- 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)

See: [Grafana](https://go.crdb.dev/roachtest-grafana/teamcity-21252313/backup-ceph-squid-tlsskipverify/1773472105205/1773472451712)

/cc @cockroachdb/field-engineering

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

Jira issue: CRDB-61579