Making network names persistent after cloning

It’s been a while since I started wondering if it’s possible to┬ámake network names persistent after cloning a Debian system and re-initializing the MAC address. I know how to do it on SLES10 but I never did it on Debian. So started searching.
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Network renewing within virtual box

For some situations I use an ubuntu virtual machine on my macbook with oracle virtual box. Previously I always set the network bridged but recently I decided to try out the NAT-configuration. Using port forwarding made my virtual box accessible from outside. But it don’t worked like I expected. After resuming the system and changing the network and starting the virtual box again, my virtual environment could not connect to the environment. Finally I got it fixed and this is how.
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