Isso é o que eu coloco no meu arquivo 70-persistent-net.rules
; você pode precisar apenas dos dois primeiros:
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth0", NAME="eth0"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth1", NAME="eth1"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth2", NAME="eth2"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth3", NAME="eth3"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth4", NAME="eth4"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth5", NAME="eth5"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth6", NAME="eth6"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth7", NAME="eth7"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth8", NAME="eth8"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="*", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth9", NAME="eth9"