network/discovery: rate limit skipped peers log

[nkryuchkov]

@zktaiga reported that this log makes up to 40% of stage logs

[moshe-blox]

this looks good, but the map will never clean and may grow infinitely

instead of implementing cleanup, i suggest just using https://github.com/jellydator/ttlcache instead (because we already import it)

[nkryuchkov]

@y0sher @moshe-blox I heard from @zktaiga we decided not to proceed with this solution, so can I close this?

[moshe-blox]

@y0sher @moshe-blox I heard from @zktaiga we decided not to proceed with this solution, so can I close this?

the solution we've merged was just a temporary one for the v2.0.0 release

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 40.00000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 50.3%. Comparing base (e4a219a) to head (f8d3b63).

Files with missing lines	Patch %	Lines
network/discovery/dv5_service.go	40.0%	9 Missing :warning:

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