Ubuntu Server - Network doesn't work with Linked Clone

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I can confirm this is happening for me as well. I just tried to take a working Ubuntu 14.04 server image, which I just setup, and create a linked clone. The linked clone is created fine, boots, but can't find any network cards. I have tried both the Virtio and Intel drivers as well as removing the NIC and adding two more.

Please help!

 

I just straight cloned my base image and the same behavior happened so this is not simply a Linked Clone issue.

 

I found a fix.

When you run "dmesg | grep eth" you can see that the clones are colliding with the old instance of the card from the base machine and being assigned a new ETH number. you can either go into your /etc/network/interfaces file and change the interface to ethX to match the message (or what you see in "ifconfig -a") or you can delete the following file and reboot:

/etc/udev/rules.d/70-persistent-net.rules​

I found most of this information at this article: http://askubuntu.com/questions/9375/new-mac-address-now-i-have-no-network-access

I hope that helps someone.

 

It helped me. Thanks!

 

It really solved my big problems. Thanks a lot!