# dmesg | grep eth
eth0: RealTek RTL8139 at 0xd800, 00:40:f4:d8:41:a4, IRQ 12
eth0: Identified 8139 chip type 'RTL-8100B/8139D'
eth1: RealTek RTL8139 at 0xdc00, 00:40:f4:d8:41:a3, IRQ 10
eth1: Identified 8139 chip type 'RTL-8100B/8139D'
eth2: RealTek RTL8139 at 0xe000, 00:40:f4:d8:41:a2, IRQ 11
eth2: Identified 8139 chip type 'RTL-8100B/8139D'
At that point, eth0 works properly but:
# ifconfig eth1 up
eth1: ERROR while getting interface flags: No such device
# ifconfig eth2 up
eth2: ERROR while getting interface flags: No such device
# cat /etc/network/interfaces | grep -v "#"
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.1.201
gateway 192.168.1.1
netmask 255.255.255.0
auto eth1
iface eth1 inet dhcp
auto eth2
iface eth2 inet static
address 192.168.103.1
netmask 255.255.255.0