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NET: Registered protocol family 30 31 36 メッセージが大量に発生する

Solution Verified - Updated -

Issue

  • VMWare ゲストの 1 つで VMWare パッケージをアップデートすると、/var/log/messages で以下のメッセージが大量に発生します。
Jul  1 10:33:58 localhost kernel:NET:Registered protocol family 30
Jul  1 10:33:58 localhost kernel:NET:Unregistered protocol family 30
Jul  1 10:33:59 localhost kernel:NET:Registered protocol family 31
Jul  1 10:33:59 localhost kernel:NET:Unregistered protocol family 31
Jul  1 10:34:00 localhost kernel:NET:Registered protocol family 36
Jul  1 10:34:00 localhost kernel:NET:Unregistered protocol family 36
  • このメッセージが発生してもホストのパフォーマンスには影響しませんが、なぜ発生するのかが分かりません。

Environment

  • Red Hat Enterprise Linux (RHEL) 5
  • Red Hat Enterprise Linux (RHEL) 6
  • Red Hat Enterprise Linux (RHEL) 7
    • VMWare 仮想ゲスト

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