Adding temporary workaround to run chrooted commands in lxc-debconfig with 'set -e' until the whole template can be run with 'set -e' (Closes: #717717).
Adding temporary workaround to run chrooted commands in lxc-debconfig with 'set -e' until the whole template can be run with 'set -e' (Closes: #717717).

czchen/debian-lxc,czchen/debian-lxc,czchen/debian-lxc