basalt-26.3: roachtest: splits/largerange/size=32GiB,nodes=6 failed

roachtest.splits/largerange/size=32GiB,nodes=6 [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_Roachtests_RedRoachtestNightlyGcePrivateBasaltBazel/21514323?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_Roachtests_RedRoachtestNightlyGcePrivateBasaltBazel/21514323?buildTab=artifacts#/splits/largerange/size=32GiB,nodes=6) on basalt-26.3 @ [6234fcbae5d28540e0546767520c5c48d2935434](https://github.com/cockroachdb/cockroach/commits/6234fcbae5d28540e0546767520c5c48d2935434):

Failed with:

```
(monitor.go:267).Wait: monitor failure: bank table split over 36 ranges, expected at least 509
test artifacts and logs in: /artifacts/splits/largerange/size=32GiB_nodes=6/run_1
```
Cluster Node to Ip Mapping:
| Node | Public IP | Private IP |
| --- | --- | --- |
| teamcity-21514323-1789243781-07-n6cpu4-0001 | | 10.91.96.126 |
| teamcity-21514323-1789243781-07-n6cpu4-0002 | | 10.91.96.188 |
| teamcity-21514323-1789243781-07-n6cpu4-0003 | | 10.91.97.63 |
| teamcity-21514323-1789243781-07-n6cpu4-0004 | | 10.91.97.72 |
| teamcity-21514323-1789243781-07-n6cpu4-0005 | | 10.91.96.145 |
| teamcity-21514323-1789243781-07-n6cpu4-0006 | | 10.91.96.176 |

Parameters:
- MetamorphicBasaltMultiAZ=true
- arch=amd64
- cloud=gce
- coverageBuild=false
- cpu=4
- diskCount=0
- encrypted=false
- fs=ext4
- localSSD=true
- metamorphicLeases=default
- metamorphicWriteBuffering=true
- runtimeAssertionsBuild=false
- storageNodesVersion=v0.1.19-nightly.20260912
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-21514323/splits-largerange-size-32gib-nodes-6/1789244356202/1789246974157)

_Logs were not uploaded to Datadog_

/cc @cockroachlabs/kv-triage

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