Avoid error logs in BenchmarkMultipleExportersToCollector

[antoninbas]

• Gracefully shutdown exporter connections before stopping collector.
• Do not log an error for graceful client shutdown (EOF error).

[codecov[bot]]

Codecov Report

Merging #323 (b494921) into main (a7df05f) will decrease coverage by 0.05%. The diff coverage is 66.66%.

Additional details and impacted files

[](https://app.codecov.io/gh/vmware/go-ipfix/pull/323?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vmware) ```diff @@ Coverage Diff @@ ## main #323 +/- ## ========================================== - Coverage 73.53% 73.48% -0.05% ========================================== Files 18 18 Lines 2792 2795 +3 ========================================== + Hits 2053 2054 +1 - Misses 572 574 +2 Partials 167 167 ``` | [Flag](https://app.codecov.io/gh/vmware/go-ipfix/pull/323/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vmware) | Coverage Δ | | |---|---|---| | [integration-tests](https://app.codecov.io/gh/vmware/go-ipfix/pull/323/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vmware) | `51.50% <66.66%> (+0.11%)` | :arrow_up: | | [unit-tests](https://app.codecov.io/gh/vmware/go-ipfix/pull/323/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vmware) | `72.55% <66.66%> (+0.02%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vmware#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/vmware/go-ipfix/pull/323?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vmware) | Coverage Δ | | |---|---|---| | [pkg/collector/process.go](https://app.codecov.io/gh/vmware/go-ipfix/pull/323?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vmware#diff-cGtnL2NvbGxlY3Rvci9wcm9jZXNzLmdv) | `86.03% <0.00%> (ø)` | | | [pkg/collector/tcp.go](https://app.codecov.io/gh/vmware/go-ipfix/pull/323?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vmware#diff-cGtnL2NvbGxlY3Rvci90Y3AuZ28=) | `65.43% <75.00%> (+1.32%)` | :arrow_up: | ... and [1 file with indirect coverage changes](https://app.codecov.io/gh/vmware/go-ipfix/pull/323/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vmware)