1、Linux虚拟机在A机的虚拟机中是NAT方式DHCP动态获取IP，设置了静态地址，IP地址不会发生变化，但是拷贝到B机上的虚拟机后，一直获取的时动态IP地址，无法得到静态IP。
2、执行/etc/init.d/network restart报错：
[root@master init.d]#./network restart
正在关闭接口 ens33：错误:[/etc/sysconfig/network-scripts/ifdown-eth]设备具有 MAC 地址00:00:00:00:00:00
00:0C:29:94:8E:A2，而不是配置的地址00:0C:29:8B:9A:F2。忽略。
[失败]
正在关闭环回接口：Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
[确定]
正在打开环回接口：Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
[确定]
正在打开接口 ens33：错误：没有找到可用于连接'ens33'的设备。
[失败]
3、执行 systemctl restart network报错：
Jobfor network.service failed.See"systemctl status network.service" and "journalctl -xe"for details.
4、执行journalctl -xe报错：
5月2600:29:28 master /etc/sysconfig/network-scripts/ifdown-eth[1350]:设备具有 MAC 地址00:00:00:00:00:00
00:0C:29:94:8E:A2，而不是配置的地址00:0C:29:8B:9A:F2。忽略。
5月2600:29:28 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:29:28 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:29:28 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:29:28 master NetworkManager[709]:<info>(lo): link disconnected
5月2600:29:28 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:29:28 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:29:28 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:29:28 master NetworkManager[709]:<info>(lo): link connected
5月2600:29:29 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:29:29 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:30:39 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:40 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:40 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:41 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:41 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:41 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:41 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:41 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:41 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:42 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:42 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:42 master systemd[1]:Configuration file /usr/lib/systemd/system/tog-pegasus.service is marked world-inaccessible.This has no effect as configuration data is acce
5月2600:30:53 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:30:53 master network[1685]:正在打开环回接口：Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
5月2600:30:53 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:30:53 master network[1685]:Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
5月2600:30:53 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:30:53 master network[1685]:Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
5月2600:30:53 master NetworkManager[709]:<info> parsing /etc/sysconfig/network-scripts/ifcfg-lo ...
5月2600:30:53 master network[1685]:Could not load file '/etc/sysconfig/network-scripts/ifcfg-lo'
5月2600:30:54 master network[1685]:[确定]
5月2600:30:54 master network[1685]:正在打开接口 ens33：错误：没有找到可用于连接'ens33'的设备。
5月2600:30:54 master network[1685]:[失败]
5月2600:30:54 master network[1685]: RTNETLINK answers:File exists
5月2600:30:54 master network[1685]: RTNETLINK answers:File exists
5月2600:30:54 master network[1685]: RTNETLINK answers:File exists
5月2600:30:54 master network[1685]: RTNETLINK answers:File exists
5月2600:30:54 master network[1685]: RTNETLINK answers:File exists
5月2600:30:54 master network[1685]: RTNETLINK answers:File exists
5月2600:30:54 master network[1685]: RTNETLINK answers:File exists
5月2600:30:54 master network[1685]: RTNETLINK answers:File exists
5月2600:30:54 master network[1685]: RTNETLINK answers:File exists
5月2600:30:54 master systemd[1]: network.service: control process exited, code=exited status=1
5月2600:30:54 master systemd[1]:Failed to start LSB:Bring up/down networking.
--Subject:Unit network.service has failed
--Defined-By: systemd
--Support:
--
--Unit network.service has failed.
--
--The result is failed.
5月2600:30:54 master systemd[1]:Unit network.service entered failed state.
5月2600:30:54 master systemd[1]: network.service failed.
二、解决：
Linux虚拟机从A拷贝到B后，MAC地址发生改变，但是配置文件中并没有同步修改，导致此问题。