According to the post here About location_info inside the log object - #2 by James.Morrison, that location_info is only available when ip is routable. So I tried including location_info along with ip, and it’s working now.
According to the post here About location_info inside the log object - #2 by James.Morrison, that location_info is only available when ip is routable. So I tried including location_info along with ip, and it’s working now.