test: failure in feature_coinstatsindex.py

[fanquake]

https://cirrus-ci.com/task/6317902398226432?logs=ci#L3288

 test  2024-03-26T18:25:07.400000Z TestFramework (ERROR): Unexpected exception caught during testing 
                                   Traceback (most recent call last):
                                     File "/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/test_framework.py", line 132, in main
                                       self.run_test()
                                     File "/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/feature_coinstatsindex.py", line 51, in run_test
                                       self._test_coin_stats_index()
                                     File "/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/feature_coinstatsindex.py", line 240, in _test_coin_stats_index
                                       self.restart_node(1, extra_args=["-coinstatsindex", "-reindex-chainstate"])
                                     File "/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/test_framework.py", line 598, in restart_node
                                       self.start_node(i, extra_args)
                                     File "/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/test_framework.py", line 550, in start_node
                                       node.wait_for_rpc_connection()
                                     File "/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/test_node.py", line 255, in wait_for_rpc_connection
                                       raise FailedToStartError(self._node_msg(
                                   test_framework.test_node.FailedToStartError: [node 1] bitcoind exited with status 66 during initialization.
 test  2024-03-26T18:25:07.402000Z TestFramework (DEBUG): Closing down network thread 

[maflcko]

This is a tsan error, but requires #29740 for it to print the error.

[maflcko]

Cross-link to #29767

[maflcko]

Closing for now, but this can be reopened if it happens again.