CentOS でネットワークが起動できない場合の対処

現象

#systemctl restart network



Job for network.service failed because the control process exited with error code. See "systemctl status network.service' and 'journalctl -xe" for details.

Jul 10 09:52:20 localhost systemd: Starting LSB: Bring up/down networking...

Jul 10 09:52:20 localhost network: ループバックインターフェイスを呼び込み中 [  OK  ]

Jul 10 09:52:20 localhost NetworkManager[633]: <info>  [1499820745.8703] audit: op="connection-activate" uuid="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" name="ensXX" result="fail" reason="No suitable device found for this connection."

Jul 10 09:52:20 localhost network: インターフェース ensXX を活性化中:  エラー: >接続のアクティベーションに失敗: No suitable device found for this connection.

Jul 10 09:52:20 localhost network: [失敗]

Jul 10 09:52:20 localhost network: RTNETLINK answers: File exists

対処

#systemctl restart NetworkManager

(*)本ページは CentOS 7.2以後を想定しています。

最終更新日：2018/01/18

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