[Solved] Failed to start LSB: Bring up/down networking

Similarly, this can also solve the problem that Linux Ping does not sleep on the host because the network is not turned on

Solve the problem of failed to start LSB: bring up/down Networking: caused by MAC address

Here are two solution I found online:

1. Close NetworkManager
2. Change MAC
I tried, but failed

Later, I found that the name of my network card was wrong, so I changed it, and the memory size of the virtual machine became like this

Later, I copied the network card and changed its name

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