var connStr = "mongodb://localhost:27029/?readPreference=primary";
 MongoClient client = new MongoClient(connStr);
 IMongoDatabase db = client.GetDatabase("COVID19_Clearance");
 var users = db.GetCollection<dynamic>("User").Find(new BsonDocument()).ToList();

A timeout occured after 30000ms selecting a server using CompositeServerSelector {
 Selectors = MongoDB.Driver.MongoClient + AreSessionsSupportedServerSelector,
 LatencyLimitingServerSelector {
 AllowedLatencyRange = 00: 00: 00.0150000
 }
}
.Client view of cluster state is {
 ClusterId: "1",
 ConnectionMode: "Automatic",
 Type: "Unknown",
 State: "Disconnected",
 Servers: [{
 ServerId: "{ ClusterId : 1, EndPoint : " 127.0.0.1: 27029 " }",
 EndPoint: "127.0.0.1:27029",
 ReasonChanged: "ServerInitialDescription",
 State: "Disconnected",
 ServerVersion: ,
 TopologyVersion: ,
 Type: "Unknown",
 LastHeartbeatTimestamp: null,
 LastUpdateTimestamp: "2020-08-11T20:16:18.1181398Z"
 }
 ]
}