After some time Zabbix Agent got this error:
2021/12/14 14:16:05.824829 [Mongo] Created new connection: IP:27018
2021/12/14 16:31:23.551136 [Mongo] Attempt to reconnect: IP:27018
2021/12/14 16:31:23.551237 [Mongo] Cannot fetch data: read tcp IP:11336->IP:27018: i/o timeout.
MongoDB Plugin hangs on Agent2 on Windows
MongoDB plugin hangs during high I/O wait
Error connecting to mongo using MongoDb Node by Zabbix Agent2