Failed_to_start_LSB_Bring_up/down_networking

今天启动虚拟机的时候，发现网络不通了。

查看了下，ip和网卡等的配置都是合适的。

1 事故现场

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[[email protected] ~]# 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.
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[[email protected] ~]# systemctl status network
● network.service - LSB: Bring up/down networking
   Loaded: loaded (/etc/rc.d/init.d/network; bad; vendor preset: disabled)
   Active: failed (Result: exit-code) since 四 2020-09-10 08:39:43 CST; 6min ago
     Docs: man:systemd-sysv-generator(8)
  Process: 7314 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE)

9月 10 08:39:43 test network[7314]: RTNETLINK answers: File exists
9月 10 08:39:43 test network[7314]: RTNETLINK answers: File exists
9月 10 08:39:43 test network[7314]: RTNETLINK answers: File exists
9月 10 08:39:43 test network[7314]: RTNETLINK answers: File exists
9月 10 08:39:43 test network[7314]: RTNETLINK answers: File exists
9月 10 08:39:43 test network[7314]: RTNETLINK answers: File exists
9月 10 08:39:43 test systemd[1]: network.service: control process exited, code=exited status=1
9月 10 08:39:43 test systemd[1]: Failed to start LSB: Bring up/down networking.
9月 10 08:39:43 test systemd[1]: Unit network.service entered failed state.
9月 10 08:39:43 test systemd[1]: network.service failed.

关键信息

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Failed to start LSB: Bring up/down networking.

2 解决方案

我是方案一解决问题的。

2.1 方案一：禁用NetworkManager

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systemctl stop NetworkManager
systemctl disable NetworkManager
reboot

2.2 方案二：修改mac地址

ip addr show查看当前mac地址

修改/etc/sysconfig/network-scripts/下以ifcfg开头的网络链接文件

添加或修改下面语句

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HWADDR="00:50:56:3a:f9:77"

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