- Mar :: localhost systemd: Starting LSB: Bring up/down networking...
- Mar :: localhost network: 正在打开环回接口： [ 确定 ]
- Mar :: localhost NetworkManager[]: <info> [1552270699.1055] audit: op="connection-activate" uuid="fd005f04-41ac-4401-bd27-decd3492dd84" name="ens33" result="fail" reason="No suitable device found for this connection."
- Mar :: localhost network: 正在打开接口 ens33： 错误：激活连接失败：No suitable device found for this connection.
- Mar :: localhost network: [失败]
- Mar :: localhost network: RTNETLINK answers: File exists
- Mar :: localhost network: RTNETLINK answers: File exists
- Mar :: localhost network: RTNETLINK answers: File exists
- Mar :: localhost network: RTNETLINK answers: File exists
- Mar :: localhost network: RTNETLINK answers: File exists
- Mar :: localhost network: RTNETLINK answers: File exists
- Mar :: localhost network: RTNETLINK answers: File exists
- Mar :: localhost network: RTNETLINK answers: File exists
- Mar :: localhost network: RTNETLINK answers: File exists
- Mar :: localhost systemd: network.service: control process exited, code=exited status=
- Mar :: localhost systemd: Failed to start LSB: Bring up/down networking.
- Mar :: localhost systemd: Unit network.service entered failed state.
- Mar :: localhost systemd: network.service failed.
解决办法：
然后把 /etc/sysconfig/network-scripts/ifcfg-ens33（MACADDR） 或者 /sys/class/net/ens33/address
- #ifconfig eth0 down /*禁掉eth0网卡，这里以eth0网卡为例*/
- #ifconfig eth0 hw ether :AA:BB:CC:DD:EE /*修改eth0网卡的MAC地址*/
- #ifconfig eth0 up /*重新启动eth0网卡*/
2. Mac 没问题，关闭系统的 NetworkManager ， 注意大小写
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