Conmi的正确答案——NetworkManager配置网络后报错“Netplan configuration should NOT be accessible by others.”

系统：debian 12
NetworkManager版本：netplan.io/stable,now 0.106-2 amd64

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错误信息：

** (generate:9257): WARNING **: 10:14:11.814: Permissions for /etc/netplan/00-installer-config.yaml are too open. Netplan configuration should NOT be accessible by others.

** (process:9255): WARNING **: 10:14:11.985: Permissions for /etc/netplan/00-installer-config.yaml are too open. Netplan configuration should NOT be accessible by others.

** (process:9255): WARNING **: 10:14:12.011: Permissions for /etc/netplan/00-installer-config.yaml are too open. Netplan configuration should NOT be accessible by others.

** (process:9255): WARNING **: 10:14:12.067: Permissions for /etc/netplan/00-installer-config.yaml are too open. Netplan configuration should NOT be accessible by others.

** (process:9255): WARNING **: 10:14:12.067: Permissions for /etc/netplan/00-installer-config.yaml are too open. Netplan configuration should NOT be accessible by others.

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解决方案：

chmod 600 /etc/netplan/00-installer-config.yaml