num_eth_ports=$(grep 'eth[0-9]:' /proc/net/dev | wc -l)
if [ $num_eth_ports -eq 2 ]; then
	# Prealpha board
	LAN_ETH_CAP_IFNAMES="eth0"
	LAN_ETH_CAP_BRIDGE_IFNAMES="eth0 eth1"
else
	LAN_ETH_CAP_IFNAMES="eth2 eth3 eth4"
	LAN_ETH_CAP_BRIDGE_IFNAMES="eth1 eth2 eth3 eth4"
fi
WAN_ETH_IFNAME="eth1"
LAN_ETH_RE_IFNAMES="eth0 eth1"
LAN_ETH_RE_BRIDGE_IFNAMES="eth0 eth1"
GUEST_ETH_CAP_IFNAMES=$(guest_lan_ifnames "$LAN_ETH_CAP_IFNAMES")
GUEST_ETH_CAP_BRIDGE_IFNAMES=$(guest_lan_ifnames "$LAN_ETH_CAP_BRIDGE_IFNAMES")
GUEST_ETH_RE_IFNAMES=$(guest_lan_ifnames "$LAN_ETH_RE_IFNAMES")
GUEST_ETH_RE_BRIDGE_IFNAMES=$(guest_lan_ifnames "$LAN_ETH_RE_BRIDGE_IFNAMES")
