Comment 16 for bug 1307429

Update verified on Ubuntu 12.04:

root@ubuntu:~# apt-cache policy ifupdown
ifupdown:
  Installed: 0.7~beta2ubuntu11.1
  Candidate: 0.7~beta2ubuntu11.1
  Version table:
 *** 0.7~beta2ubuntu11.1 0
        500 http://de.archive.ubuntu.com/ubuntu/ precise-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     0.7~beta2ubuntu11 0
        500 http://de.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
     0.7~beta2ubuntu8 0
        500 http://de.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet dhcp

allow-hotplug eth1
iface eth1 inet dhcp

allow-hotplug eth2
iface eth2 inet dhcp

allow-hotplug eth3
iface eth3 inet dhcp

allow-hotplug eth4
iface eth4 inet dhcp

allow-hotplug eth5
iface eth5 inet dhcp
# reboot
# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 64000 qdisc pfifo_fast state UP qlen 1000
    link/ether 02:01:17:ff:c5:58 brd ff:ff:ff:ff:ff:ff
    inet 78.137.97.61/32 brd 78.137.97.61 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::1:17ff:feff:c558/64 scope link
       valid_lft forever preferred_lft forever