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カーネルメッセージ:net_ratelimit: NN callbacks suppressed (Doc ID 2688130.1)

Last updated on JULY 07, 2020

適用範囲:

Linux OS - バージョン Oracle Linux 7.0 から Oracle Linux 7.7 with Unbreakable Enterprise Kernel [4.14.35] [リリース OL7 から OL7U7]
Oracle Cloud Infrastructure - バージョン N/A 以降
Linux x86-64

現象

/var/log/messages に以下のようなメッセージが大量に記録されます。

May 14 03:50:07 <host> kernel: net_ratelimit: 19 callbacks suppressed
May 14 03:50:27 <host> kernel: net_ratelimit: 56 callbacks suppressed
May 14 03:50:37 <host> kernel: net_ratelimit: 8 callbacks suppressed
May 14 03:50:57 <host> kernel: net_ratelimit: 9 callbacks suppressed
May 14 03:51:07 <host> kernel: net_ratelimit: 9 callbacks suppressed
May 14 03:51:27 <host> kernel: net_ratelimit: 40 callbacks suppressed
May 14 03:51:57 <host> kernel: net_ratelimit: 26 callbacks suppressed
May 14 03:52:07 <host> kernel: net_ratelimit: 13 callbacks suppressed
May 14 03:52:27 <host> kernel: net_ratelimit: 12 callbacks suppressed
May 14 03:52:37 <host> kernel: net_ratelimit: 12 callbacks suppressed
May 14 03:52:57 <host> kernel: net_ratelimit: 57 callbacks suppressed

 

変更点

 

原因

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