Linux新安装的，发现网络不通
提示： # [解决报错Failed to start LSB: Bring up/down networking：MAC地址导致]
[root@localhost ~]# 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 Sun 2021-10-31 21:42:55 CST; 4min 20s ago
Docs: man:systemd-sysv-generator(8)
Process: 3041 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE)
Oct 31 21:42:55 localhost.localdomain network[3041]: RTNETLINK answers: File exists
Oct 31 21:42:55 localhost.localdomain network[3041]: RTNETLINK answers: File exists
Oct 31 21:42:55 localhost.localdomain network[3041]: RTNETLINK answers: File exists
Oct 31 21:42:55 localhost.localdomain network[3041]: RTNETLINK answers: File exists
Oct 31 21:42:55 localhost.localdomain network[3041]: RTNETLINK answers: File exists
Oct 31 21:42:55 localhost.localdomain network[3041]: RTNETLINK answers: File exists
Oct 31 21:42:55 localhost.localdomain systemd[1]: network.service: control process exited, code=exited status=1
Oct 31 21:42:55 localhost.localdomain systemd[1]: Failed to start LSB: Bring up/down networking.
Oct 31 21:42:55 localhost.localdomain systemd[1]: Unit network.service entered failed state.
Oct 31 21:42:55 localhost.localdomain systemd[1]: network.service failed.
解决办法
- 关闭NetworkManager
[root@localhost ~]# systemctl status NetworkManager
● NetworkManager.service - Network Manager
Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2021-10-31 21:38:53 CST; 9min ago
Docs: man:NetworkManager(8)
Main PID: 892 (NetworkManager)
Tasks: 3
CGroup: /system.slice/NetworkManager.service
└─892 /usr/sbin/NetworkManager --no-daemon
Oct 31 21:38:54 localhost.localdomain NetworkManager[892]: <info> [1635687534.1149] manager: (virbr0-nic): n.../4)
Oct 31 21:39:18 localhost.localdomain NetworkManager[892]: <info> [1635687558.8731] agent-manager: req[0x562...red
Oct 31 21:42:18 localhost.localdomain NetworkManager[892]: <info> [1635687738.1397] settings-connection[0x56...ess
Oct 31 21:42:18 localhost.localdomain NetworkManager[892]: <info> [1635687738.1398] audit: op="connection-up...ss"
Oct 31 21:42:23 localhost.localdomain NetworkManager[892]: <info> [1635687743.9781] agent-manager: req[0x562...red
Oct 31 21:42:23 localhost.localdomain NetworkManager[892]: <info> [1635687743.9802] audit: op="connection-ac...ed"
Oct 31 21:42:25 localhost.localdomain NetworkManager[892]: <info> [1635687745.9155] agent-manager: req[0x562...red
Oct 31 21:42:25 localhost.localdomain NetworkManager[892]: <info> [1635687745.9161] audit: op="connection-ac...ed"
Oct 31 21:42:55 localhost.localdomain NetworkManager[892]: <info> [1635687775.7537] agent-manager: req[0x562...red
Oct 31 21:42:55 localhost.localdomain NetworkManager[892]: <info> [1635687775.7547] audit: op="connection-ac...)."
Hint: Some lines were ellipsized, use -l to show in full.
- 关闭后重启network
[root@localhost ~]# systemctl stop NetworkManager
[root@localhost ~]# systemctl restart network
[root@localhost ~]# systemctl status network
● network.service - LSB: Bring up/down networking
Loaded: loaded (/etc/rc.d/init.d/network; bad; vendor preset: disabled)
Active: active (exited) since Sun 2021-10-31 21:49:01 CST; 16s ago
Docs: man:systemd-sysv-generator(8)
Process: 3416 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=0/SUCCESS)
Oct 31 21:49:01 localhost.localdomain network[3416]: RTNETLINK answers: File exists
Oct 31 21:49:01 localhost.localdomain network[3416]: RTNETLINK answers: File exists
Oct 31 21:49:01 localhost.localdomain network[3416]: RTNETLINK answers: File exists
Oct 31 21:49:01 localhost.localdomain network[3416]: RTNETLINK answers: File exists
Oct 31 21:49:01 localhost.localdomain network[3416]: RTNETLINK answers: File exists
Oct 31 21:49:01 localhost.localdomain network[3416]: RTNETLINK answers: File exists
Oct 31 21:49:01 localhost.localdomain network[3416]: RTNETLINK answers: File exists
Oct 31 21:49:01 localhost.localdomain network[3416]: RTNETLINK answers: File exists
Oct 31 21:49:01 localhost.localdomain network[3416]: RTNETLINK answers: File exists
Oct 31 21:49:01 localhost.localdomain systemd[1]: Started LSB: Bring up/down networking.
