device not managed by NetworkManager

Bringing up interface eth0:Error:Connection activation failed:Device not managed by  NetworkManagerhtml    network服務器 重啓時報錯服務器    ifcfg-eth0 查看配置無誤，ifconfig eth0查看當前ip 配置也無誤，就是ping不一樣網絡 解決步驟：rest 1：se

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