epsilon:~# more /etc/udev/rules.d/z25_persistent-net.rules
# This file was automatically generated by the /lib/udev/write_net_rules
# program, probably run by the persistent-net-generator.rules rules file.
#
# You can modify it, as long as you keep each rule on a single line.
# MAC addresses must be written in lowercase.
# PCI device 0x10ec:0x8139 (8139too)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:08:a1:97:08:2e", NAME="eth0"
# PCI device 0x1186:0x1300 (8139too)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:0d:88:27:82:5c", NAME="eth2"
# PCI device 0x10ec:0x8139 (8139too)
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:08:54:0b:2c:66", NAME="eth1"