I just set up Cloud NAT and it all seems to be working correctly. When I click on the instance and go to the "Monitoring" tab, all of the charts are blank and say "No data available for the selected time frame". I thought maybe it was because logging was turned off, but I turned it on and they're showing up just fine, but still nothing on the charts.
If I open the charts in Metrics Explorer, it seems like they're linking to data that doesn't exist. Does anybody know what's going on?