Data race condition
The value of the shared data will be determined by the interleaving of thread execution. Thread shared data is accessed without holding an appropriate lock, possibly causing a race condition
/src/mongo/s/mongos_topology_coordinator.cpp:196: MISSING_LOCK 175153 Accessing "this->_topologyVersion" without holding lock "mongo::MongosTopologyCoordinator._mutex". Elsewhere, "mongo::MongosTopologyCoordinator._topologyVersion" is written to with "MongosTopologyCoordinator._mutex" held 1 out of 1 times.