[Test]Add more logging information for ec2 end-to-end test

[yubozhao]

Description

Motivation and Context

How Has This Been Tested?

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature and improvements (non-breaking change which adds/improves functionality)
• Bug fix (non-breaking change which fixes an issue)
• Code Refactoring (internal change which is not user facing)
• Documentation
• Test, CI, or build

Component(s) if applicable

• BentoService (service definition, dependency management, API input/output adapters)
• Model Artifact (model serialization, multi-framework support)
• Model Server (mico-batching, dockerisation, logging, OpenAPI, instruments)
• YataiService gRPC server (model registry, cloud deployment automation)
• YataiService web server (nodejs HTTP server and web UI)
• Internal (BentoML's own configuration, logging, utility, exception handling)
• BentoML CLI

Checklist:

• My code follows the bentoml code style, both ./dev/format.sh and
  ./dev/lint.sh script have passed
  (instructions).
• My change reduces project test coverage and requires unit tests to be added
• I have added unit tests covering my code change
• My change requires a change to the documentation
• I have updated the documentation accordingly

[codecov]

Codecov Report

Merging #1270 (5c5fe97) into master (f9ae334) will decrease coverage by 0.00%.
The diff coverage is 42.85%.

@@            Coverage Diff             @@
##           master    #1270      +/-   ##
==========================================
- Coverage   66.30%   66.30%   -0.01%     
==========================================
  Files         143      143              
  Lines        9314     9318       +4     
==========================================
+ Hits         6176     6178       +2     
- Misses       3138     3140       +2     

Impacted Files	Coverage Δ
bentoml/cli/aws_ec2.py	55.14% <ø> (ø)
bentoml/yatai/deployment/aws_ec2/operator.py	69.19% <ø> (-0.15%)	⬇️
bentoml/yatai/deployment/aws_utils.py	37.00% <42.85%> (-0.90%)	⬇️
bentoml/utils/usage_stats.py	90.78% <0.00%> (+2.63%)	⬆️

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