[Pkg-libvirt-maintainers] Bug#775514: No networking running virt-builder scripts after upgrading from 1.26 to 1.28

[Simon Boulet]

Package: libguestfs-tools
Version: 1:1.28.4-1

After upgrading to 1.28 (a simple apt-get upgrade in Jessie pulls 1.28 now)
it seems network is no longer available inside the guest (using
virt-builder). 1.26 was working fine, everything broke after upgrading to
1.28. Rolling back to 1:1.26.9-1 from snapshot.debian.org works.

This no longer works in 1.28:

# virt-builder debian-7 --run-command 'wget -O /dev/null
https://www.debian.org/'
[   1.0] Downloading: http://libguestfs.org/download/builder/debian-7.xz
[   1.0] Planning how to build this image
[   1.0] Uncompressing
[  11.0] Opening the new disk
[  29.0] Setting a random seed
[  29.0] Running: wget -O /dev/null https://www.debian.org/
--2015-01-16 10:26:59--  https://www.debian.org/
Resolving www.debian.org (www.debian.org)... failed: Name or service not
known.
wget: unable to resolve host address `www.debian.org'
virt-builder: wget -O /dev/null https://www.debian.org/: command exited
with an error
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