Since this post is a lot shorter than the other one and a lot quicker to get to thee solution.
Just do what LeeSteken says.
NOTE: you have to change it in 3 places to the new network interface.
:)
The name of the network device depends on the PCI ID, and the PCI ID depends on the number of devices (with a lower ID). Every time a PCI(e) device is added or removed, the name of the network devices changes (one of the numbers in the name...