According to your description, I suggest you could make sure you have set the log level to information when you are using this asp.net core 6 httplogging middleware.
More details, you could refer to below steps:
- Open the appsettings.development.json or appsettings.json according to your environment.
- Modify the Logging LogLevel's Microsoft.AspNetCore to
"Microsoft.AspNetCore": "Information"
- Restart the application.
Result: