网卡启动时报Connection activation failed: Device not managed by NetworkManager的错误解决

新装的CentOS6.0服务器,启动网络服务时报如下错误: [root@localhost network-scripts]# service network restart Shutting down interface eth0:  Device state: 3 (disconnected)                                                            [  OK  ] Shutting down interface eth2:                              [  OK  ] Shutting down interface eth5:  Device state: 3 (disconnected)                                                            [  OK  ] Shutting down loopback interface:                          [  OK  ] Bringing up loopback interface:                            [  OK  ] Bringing up interface eth0:  Active connection state: activated Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/12                                                            [  OK  ] Bringing up interface eth1:  Error: Connection activation failed: Device not managed by NetworkManager                                                            [FAILED]   [root@localhost network-scripts]# chkconfig network off [root@localhost network-scripts]# chkconfig network on [root@localhost network-scripts]# service NetworkManager stop Stopping NetworkManager daemon:                            [  OK  ] [root@localhost network-scripts]# service network restart Shutting down interface eth0:                              [  OK  ] 问题解决。