Warning in automl: "Objective did not converge"

[Cloudwatch link](https://console.aws.amazon.com/cloudwatch/home?region=us-east-1#logsV2:log-groups/log-group/$252Fecs$252Fevalml-test/log-events/ecs$252Fprod-evalml$252F9da7d5e7ccc44ca6a2fdd9c3943d1997)

The warning being printed:
```
Objective did not converge. You might want to increase the number of iterations. Duality gap: 2.3056943635107245, tolerance: 0.021498518468096656
```

Unclear which dataset this is coming from since it occurs after automl has completed for all datasets. But its definitely one of the ones in datasets_v2.yaml