KQP_EXECUTER has got an unexpected event

[antonkovalenko]

After upgrading to 24-3-15-hotfix-3 and getting increased latencies and rate of timed outed queries following ugly errors were noticed in logs of dynamic nodes of the affected database.

message: "2025-01-30T11:18:04.714025Z :KQP_EXECUTER ERROR: ActorId: [50021:7465666277481271335:5513] TxId: 322184107588006. Ctx: { TraceId: 01jjvexcm25eqvdtdtwd3vq764, Database: [NDA], DatabaseId: [NDA], SessionId: ydb://, CurrentExecutionId: , CustomerSuppliedId: , PoolId: }. Unexpected event: NActors::IEventHandle",

Besides message Unexpected event: NYql::NDq::TEvDq::TEvAbortExecution was seen in the logs

full logs: https://nda.ya.ru/t/wJhme3Cb7BYn6i
txt downloaded: https://jing.yandex-team.ru/files/kovalad/Logs-2025-01-30T15_54_26.txt

[azevaykin]

Repro

Monitoring https://nda.ya.ru/t/8khrB8fq7BpACR
Logs https://nda.ya.ru/t/V6HDWq8S7BpAFE