This is similar to #21352, #20270, #18831, #18161, but they have all been closed/fixed, and this is happening again on master as of the [last CI run](https://github.com/bitcoin/bitcoin/runs/2928080250):
```bash
122/210 - feature_backwards_compatibility.py --descriptors failed, Duration: 68 s
stdout:
2021-06-28T03:28:48.903000Z TestFramework (INFO): Initializing test directory /tmp/cirrus-build/ci/scratch/test_runner/test_runner_₿_🏃_20210628_031620/feature_backwards_compatibility_97
2021-06-28T03:28:52.381000Z TestFramework (INFO): Test wallet backwards compatibility...
2021-06-28T03:29:56.399000Z TestFramework (ERROR): JSONRPC error
Traceback (most recent call last):
  File "/tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/test_framework.py", line 128, in main
    self.run_test()
  File "/tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/feature_backwards_compatibility.py", line 110, in run_test
    self.nodes[1].abandontransaction(tx3_id)
  File "/tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/coverage.py", line 47, in __call__
    return_val = self.auth_service_proxy_instance.__call__(*args, **kwargs)
  File "/tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/authproxy.py", line 146, in __call__
    raise JSONRPCException(response['error'], status)
test_framework.authproxy.JSONRPCException: Transaction not eligible for abandonment (-5)
2021-06-28T03:29:56.453000Z TestFramework (INFO): Stopping nodes
2021-06-28T03:29:56.723000Z TestFramework (WARNING): Not cleaning up dir /tmp/cirrus-build/ci/scratch/test_runner/test_runner_₿_🏃_20210628_031620/feature_backwards_compatibility_97
2021-06-28T03:29:56.724000Z TestFramework (ERROR): Test failed. Test logging available at /tmp/cirrus-build/ci/scratch/test_runner/test_runner_₿_🏃_20210628_031620/feature_backwards_compatibility_97/test_framework.log
2021-06-28T03:29:56.724000Z TestFramework (ERROR): 
2021-06-28T03:29:56.725000Z TestFramework (ERROR): Hint: Call /tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/combine_logs.py '/tmp/cirrus-build/ci/scratch/test_runner/test_runner_₿_🏃_20210628_031620/feature_backwards_compatibility_97' to consolidate all logs
2021-06-28T03:29:56.725000Z TestFramework (ERROR): 
2021-06-28T03:29:56.725000Z TestFramework (ERROR): If this failure happened unexpectedly or intermittently, please file a bug and provide a link or upload of the combined log.
2021-06-28T03:29:56.725000Z TestFramework (ERROR): https://github.com/bitcoin/bitcoin/issues
2021-06-28T03:29:56.725000Z TestFramework (ERROR): 
```


if (IsValidDestination(dest)) {
                SetAddressBookWithDB(batch, dest, label, "receive");
            }
        }
    }
    return true;
}
/**
 * Scan active chain for relevant transactions after importing keys. This should
 * be caed whenever new keys are added to the waet, with the oldest key
 * creation time.
 *
 * @return Earliest timestamp that could be successfuy scanned from. Timestamp
 * returned wi be higher than startTime if relevant blocks could not be read.
 */
int64_t CWaet::RescanFromTime(int64_t startTime, const WaetRescanReserver& reserver, bool update)
{
    // F
    // h
    // t
    int start_height = 0;
    uint256 start_block;
    bool start = chain().findFirstBlockWithTimeAndHeight(startTime - TIMESTAMP_WINDOW, 0, FoundBlock().hash(start_block).height(start_height));
    WaetLogPrintf("%s: Rescanning last %i blocks\n", __func__, start ? WITH_LOCK(cs_waet, return GetLastBlockHeight()) - start_height + 1 : 0);
    if (start) {
        // T
        ScanResult result = ScanForWaetTransactions(start_block, start_height, {} /* mserver, update);
        if (result.status == ScanResult::FAILURE) {
            int64_t time_max;
            CHECK_NONFATAL(chain().findBlock(result.last_failed_block, FoundBlock().maxTime(time_max)));