Suite à problème de carte avec une VM :
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Step #2: Rename eth0 as wan0

To rename eth0 as wan0, edit a file called 70-persistent-net.rules in /etc/udev/rules.d/ directory, enter:

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

The names of the Ethernet devices are listed in this file as follows:

PCI device 0x14e4:0x1680 (tg3)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?", ATTR{address}=="b8:ac:6f:65:31:e5", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth", NAME="eth0"
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and edit #vi /etc/sysconfig/network-scripts/ifcfg-eth