====== eth2 and dead lan after a disk cloning ======
===== Scenario =====

You clone a disc and installing it on another computer:
  - The network doesn't work
  - A new eth2 appear in the list of network connections

This happens because on the second computer the nic has a different mac, so, the old nic is retained and a new one is added.

===== Solution =====


Delete
/etc/udev/rules.d/*.rules
and restart