lxc: get-console-output does not work

$ euca-describe-instances i-00000004
RESERVATION r-7hraufks test-project default
INSTANCE i-00000004 ami-00000001 11.0.0.2 11.0.0.2 running mykey 0m1.small 2011-08-23T16:28:54Z nova ami-00000000 ami-00000000
$ euca-describe-images ami-00000001
IMAGE ami-00000001 ubuntu-bucket/ubuntu-oneiric-daily-amd64-server-20110822.manifest.xml available private x86_64 machine instance-store
$ sudo cat /etc/nova/nova.conf
--dhcpbridge_flagfile=/etc/nova/nova.conf
--dhcpbridge=/usr/bin/nova-dhcpbridge
--logdir=/var/log/nova
--state_path=/var/lib/nova
--lock_path=/var/lock/nova
--flagfile=/etc/nova/nova-compute.conf
--verbose
--libvirt_type=lxc
--network_manager=nova.network.manager.FlatDHCPManager
$ euca-get-console-output i-00000004
UnknownError: An unknown error has occurred. Please try your request again.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: nova-compute-lxc 2011.3~d4~20110812.1417-0ubuntu1
ProcVersionSignature: User Name 3.0.0-9.13-virtual 3.0.3
Uname: Linux 3.0.0-9-virtual x86_64
Architecture: amd64
Date: Tue Aug 23 16:29:17 2011
NovaConf: Error: [Errno 13] Permission denied: '/etc/nova/nova.conf'
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: nova
UpgradeStatus: No upgrade log present (probably fresh install)