Network problems after VirtualBox is imported to other virtual machines

After VirtualBox is imported to other virtual machines, a virtual machine is installed on other computers for network problems, exported, and imported on other computers. This will cause network connection problems and the ip address cannot be obtained, error: Device eth0 does not seem to be present 1 Open/etc/udev/rules. d/70-persistent-net.rules2 record the mac address of eth1 Nic 3 open/etc/sysconfig/network-scripts/ifcfg-eth04 change DEVICE = "eth0" to DEVICE = "eth1 ", change the mac address of HWADDR to the mac address of eth1 5 restart the network service network restart (set correctly in the ifchf-eth0, onboot = yes)