服务器ping百度ping不通
[root@localhost network-scripts]# ping baidu.com
PING baidu.com (220.181.38.251) 56(84) bytes of data.
^C
--- baidu.com ping statistics ---
8 packets transmitted, 0 received, 100% packet loss, time 7005ms
尝试重启网络：
systemctl start network
报错：
Job for network.service failed because the control process exited with error code. See "systemctl status network.service" and "journalctl -xe" for details.
日志如下：
Aug 06 15:54:07 localhost.localdomain NetworkManager[29066]: <info> [1628236447.9641] audit: op="connection-activate" uuid="23a7042e-e352-44e3-84f2-02f85cfbd3ad" name="em1" result="fail" reason="No suitable device found for this connection."
Aug 06 15:54:08 localhost.localdomain NetworkManager[29066]: <info> [1628236448.0144] audit: op="connection-activate" uuid="894ef7d3-2c47-44a3-a25a-c8023491e4c5" name="em2" result="fail" reason="No suitable device found for this connection."
尝试关闭NetworkManager无效。