Solve the Problem of No such device in Linux

Solve the Problem of No such device in Linux

After the virtual machine is backed up and transferred, the network startup is abnormal and the message "SIOCSIFADDR: No such device" is displayed"

He problem lies in the fact that ethernet MAC addresses are cached.

You need to remove a file to clear the cached value:

The problem is that the Ethernet MAC address is cached. You need to delete a file to clear the cache value:

$ Sudo rm/etc/udev/rules. d/70-persistent-net.rules
$ Reboot

After the restart, the system returns to normal!