Bug#679052: ifupdown: IPv6 looback config broken (and unnecessary)

[Ross Vandegrift]

Package: ifupdown
Version: 0.7
Severity: normal

Hello,

interfaces(5) entails that the following is valid:

iface lo inet6 loopback

But such an interface always fails:

$ sudo ifup lo
RTNETLINK answers: File exists
Failed to bring up lo.

But it isn't necessary anyhow:
$ ip addr list dev lo
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 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
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever

Changing the interface back to "inet" from "inet6" fixes the issue, and
gets the exact same config as above.

Ross

-- System Information:
Debian Release: wheezy/sid
APT prefers testing
APT policy: (500, 'testing'), (50, 'unstable'), (49, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-2-686-pae (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages ifupdown depends on:
ii dpkg 1.16.3
ii initscripts 2.88dsf-22.1
ii iproute 20120521-2
ii libc6 2.13-33
ii lsb-base 4.1+Debian6

ifupdown recommends no packages.

Versions of packages ifupdown suggests:
ii isc-dhcp-client [dhcp-client] 4.2.2.dfsg.1-5
ii net-tools 1.60-24.1
ii ppp 2.4.5-5.1+b1
pn rdnssd <none>

-- no debconf information



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