Package: ifupdown
Version: 0.7.41
Severity: important

Dear Maintainer,

Networking did not come up after installing 0.7.41, using previously
working configuration. Not even the loopback interface was brought up!
Trying to take up any interface manually gives an obviously bogus
error message:

 frtest1:~# ifup eth0
 /etc/network/interfaces:5: interface lo declared allow-auto twice
 ifup: couldn't read interfaces file "/etc/network/interfaces"

This is bogus because:

 frtest1:~# grep lo /etc/network/interfaces
 # The loopback network interface
 auto lo
 iface lo inet loopback
         # set up ebtables to allow L3 routing of DHCPv6

Removing the (only instance of) "auto lo" allowed bringing up
interfaces again.  But this workaround is in no way acceptable.  This
change breaks existing configurations.  You cannot do that.

Thanks,
Bjørn


-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.8-1-amd64 (SMP w/1 CPU core)
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         1.16.10
ii  initscripts  2.88dsf-41
ii  iproute      20120521-3+b4
ii  libc6        2.13-38
ii  lsb-base     4.1+Debian9

ifupdown recommends no packages.

Versions of packages ifupdown suggests:
ii  isc-dhcp-client [dhcp-client]  4.2.4-6
ii  net-tools                      1.60-24.2
pn  ppp                            <none>
pn  rdnssd                         <none>

-- no debconf information


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