// create client
const client = xxxx
// listen event
client.on('serverHeartbeatFailed', (e)=>
  { console.log(e) }
)
// execute action
client.xxxx()
// action done. close client
client.close()

{       "code": "ERR_UNKNOWN",       "message": "connection <monitor> to 172.18.164.159:27017 closed",       "stack": "MongoNetworkError: connection <monitor> to 172.18.164.159:27017 closed\n    at Connection.onClose (/Users/yinmeng/Documents/waroom/work/shared/core/packages/mongoose/node_modules/mongodb/src/cmap/connection.ts:338:13)\n    at Socket.<anonymous> (/Users/yinmeng/Documents/waroom/work/shared/core/packages/mongoose/node_modules/mongodb/src/cmap/connection.ts:243:42)\n    at Socket.emit (node:events:525:35)\n    at Socket.emit (node:domain:489:12)\n    at TCP.<anonymous> (node:net:301:12)\n    at TCP.callbackTrampoline (node:internal/async_hooks:130:17)",       "name": "MongoNetworkError"     }