Logging pollutes log messages of contained programs

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Reproduction steps

Set GlobalSettings.LogConfiguration
Pass log messages from libgit2sharp to your own logging solution

Expected behavior

Libgit2sharp does not send an unidentifiable Logging enabled at level logmessage that we cannot disable

Actual behavior

Libgit2sharp sends an unidentifiable Logging enabled at level logmessage that we cannot disable and which confuses our users because it is not the same loglevel name as they set in our app config.

Version of LibGit2Sharp (release number or SHA1)

Operating system(s) tested; .NET runtime tested

まず、GlobalSettings.LogConfiguration をたどって、正確なメッセージ "Logging enabled at level" の発生源を特定します。メッセージがどのように出力されるか、また設定された logging の動作によってそのメッセージを抑制できるか、または正しく識別できるかを確認します。完了とは、内包されたプログラムが識別不能なメッセージを受け取らなくなることです。