/usr/lib/pymodules/python2.6/nova/network/manager.py", line 558, in create_networks

This issue appears after I configured everything and I try to create a network executing the folowing:

nova-manage network create 192.168.3.0/24 1 128

this is the trace from nova-manage.log:

2011-07-05 21:09:08,432 DEBUG nova.utils [-] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/pymodules/python2.6/nova/db/sqlalchemy/api.pyc'> from (pid=28830) __get_backend /usr/lib/pymodules/python2.6/nova/utils.py:417
2011-07-05 21:09:09,404 CRITICAL nova [-] index out range for address range size!
(nova): TRACE: Traceback (most recent call last):
(nova): TRACE: File "/usr/bin/nova-manage", line 1276, in <module>
(nova): TRACE: main()
(nova): TRACE: File "/usr/bin/nova-manage", line 1265, in main
(nova): TRACE: fn(*argv)
(nova): TRACE: File "/usr/bin/nova-manage", line 611, in create
(nova): TRACE: bridge_interface=bridge_interface)
(nova): TRACE: File "/usr/lib/pymodules/python2.6/nova/network/manager.py", line 558, in create_networks
(nova): TRACE: cidr = '%s/%s' % (fixed_net[start], significant_bits)
(nova): TRACE: File "/usr/lib/pymodules/python2.6/netaddr/ip/__init__.py", line 917, in __getitem__
(nova): TRACE: raise IndexError('index out range for address range size!')
(nova): TRACE: IndexError: index out range for address range size!

Here are the flags of 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
--verbose
--s3_host=10.0.20.50
--rabbit_host=10.0.20.50
--cc_host=10.0.20.50
--ec2_url=http://10.0.20.50:8773/services/Cloud
--fixed_range=192.168.3.0/24
--network_size=256
--network_manager=nova.network.manager.FlatDHCPManager
--flat_interface=eth0
--flat_network_dhcp_start=192.168.3.20
--routing_source_ip=10.0.20.50
--FAKE_subdomain=ec2
--image_service=nova.image.glance.GlanceImageService
--glance_host=10.0.20.50
--glance_port=9292
--sql_connection=mysql://root:nova@10.0.20.50/nova

Output of ifconfig:

root@eucalyptus:~# ifconfig
eth0 Link encap:Ethernet HWaddr 00:24:8c:88:a2:9d
          inet addr:10.0.20.50 Bcast:10.0.20.255 Mask:255.255.255.0
          inet6 addr: fe80::224:8cff:fe88:a29d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:1774 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1164 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:165596 (165.5 KB) TX bytes:406423 (406.4 KB)
          Interrupt:42

lo Link encap:Local Loopback
          inet addr:127.0.0.1 Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING MTU:16436 Metric:1
          RX packets:64771 errors:0 dropped:0 overruns:0 frame:0
          TX packets:64771 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:43786660 (43.7 MB) TX bytes:43786660 (43.7 MB)

virbr0 Link encap:Ethernet HWaddr f6:49:db:49:78:9a
          inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

Information about the ubuntu version:

lsb_release
LSB Version: core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:graphics-2.0-amd64:graphics-2.0-noarch:graphics-3.0-amd64:graphics-3.0-noarch:graphics-3.1-amd64:graphics-3.1-noarch:graphics-3.2-amd64:graphics-3.2-noarch:graphics-4.0-amd64:graphics-4.0-noarch

root@eucalyptus:~# lsb_release -rd
Description: Ubuntu 10.10
Release: 10.10

Version of the nova packages:

ii nova-api 2011.3~d3~20110701.1244-0ubuntu0ppa1~maverick1 OpenStack Compute - API frontend
ii nova-common 2011.3~d3~20110701.1244-0ubuntu0ppa1~maverick1 OpenStack Compute - common files
ii nova-compute 2011.3~d3~20110701.1244-0ubuntu0ppa1~maverick1 OpenStack Compute - compute node
ii nova-doc 2011.3~d3~20110701.1244-0ubuntu0ppa1~maverick1 OpenStack Compute - documetation
ii nova-network 2011.3~d3~20110701.1244-0ubuntu0ppa1~maverick1 OpenStack Compute - Network manager
ii nova-objectstore 2011.3~d3~20110701.1244-0ubuntu0ppa1~maverick1 OpenStack Compute - object store
ii nova-scheduler 2011.3~d3~20110701.1244-0ubuntu0ppa1~maverick1 OpenStack Compute - virtual machine scheduler
ii python-nova 2011.3~d3~20110701.1244-0ubuntu0ppa1~maverick1 OpenStack Compute Python libraries
ii python-novaclient 2.4.2~bzr25-0ubuntu0ppa1~maverick3 client library for OpenStack Compute API

Version of python libraries:
ii libpython2.6 2.6.6-5ubuntu1 Shared Python runtime library (version 2.6)
ii python2.6 2.6.6-5ubuntu1 An interactive high-level object-oriented language (version 2.6)
ii python 2.6.6-2ubuntu2 interactive high-level object-oriented language (default version)
ii python2.6-minimal 2.6.6-5ubuntu1 A minimal subset of the Python language (version 2.6)
ii python-amqplib 0.6.1-1 simple non-threaded Python AMQP client library
ii python-anyjson 0.2.3-1 Wraps the best available JSON implementation available in a common interface
ii python-appindicator 0.2.9-0ubuntu1.1 Python bindings for libappindicator
ii python-apt 0.7.96.1ubuntu11.2 Python interface to libapt-pkg
ii python-argparse 1.1-1 optparse-inspired command-line parsing library
ii python-boto 1.9b-1ubuntu3 Python interface to Amazon's Web Services
ii python-cairo 1.8.8-1 Python bindings for the Cairo vector graphics library
ii python-carrot 0.10.5-0ubuntu1~maverick0 An AMQP messaging queue framework
ii python-central 0.6.15ubuntu2 register and build utility for Python packages
ii python-cheetah 2.0.1-2ubuntu7 text-based template engine and Python code generator
ii python-daemon 1.5.5-1 library for making a Unix daemon process
ii python-dbus 0.83.0-1ubuntu3 simple interprocess messaging system (Python interface)
ii python-decorator 3.2.0-1 simplify usage of python decorators by programmers
ii python-eventlet 0.9.15-0ubuntu2~maverick4 concurrent networking library for Python
ii python-formencode 1.2.2-1ubuntu5 validation and form generation Python package
ii python-gconf 2.28.1-1ubuntu2 Python bindings for the GConf configuration database system
ii python-gdbm 2.6.6-0ubuntu1 GNU dbm database support for Python
ii python-gflags 1.3-1 Python implementation of the Google command line flags module
ii python-glade2 2.21.0-0ubuntu1 GTK+ bindings: Glade support
ii python-glance 2011.3~d3~20110701.151-0ubuntu0ppa1~maverick1 OpenStack Image Registry and Delivery Service - Python library
ii python-gnome2 2.28.1-1ubuntu2 Python bindings for the GNOME desktop environment
ii python-gnomecanvas 2.28.1-1ubuntu2 Python bindings for gnomecanvas (debug extension)
ii python-gnupginterface 0.3.2-9.1 Python interface to GnuPG (GPG)
ii python-gobject 2.21.5-0ubuntu3 Python bindings for the GObject library
ii python-gobject-cairo 2.21.5-0ubuntu3 Python Cairo bindings for the GObject library
ii python-greenlet 0.3.1-1ubuntu1 Lightweight in-process concurrent programming
ii python-gtk2 2.21.0-0ubuntu1 Python bindings for the GTK+ widget set
ii python-gtk-vnc 0.4.1-3ubuntu2 A VNC viewer widget for GTK+ (Python binding)
ii python-httplib2 0.6.0-3build1 comprehensive HTTP client library written for Python
ii python-ipy 1:0.70-1 Python module for handling IPv4 and IPv6 addresses and networks
ii python-ldap 2.3.11-1ubuntu1 LDAP interface module for Python
ii python-libvirt 0.8.8-1ubuntu3~ppamaverick1 libvirt Python bindings
ii python-libxml2 2.7.7.dfsg-4ubuntu0.2 Python bindings for the GNOME XML library
ii python-lockfile 1:0.8-2 file locking library for Python
ii python-m2crypto 0.20.1-1ubuntu4 a crypto and SSL toolkit for Python
ii python-migrate 0.6-4~lucid1 Database schema migration for SQLAlchemy
ii python-minimal 2.6.6-2ubuntu2 minimal subset of the Python language (default version)
ii python-mysqldb 1.2.2-10build1 A Python interface to MySQL
ii python-netaddr 0.7.4-1 manipulation of various common network address notations
ii python-netifaces 0.5-2 portable network interface information for Python
ii python-nova 2011.3~d3~20110701.1244-0ubuntu0ppa1~maverick1 OpenStack Compute Python libraries
ii python-novaclient 2.4.2~bzr25-0ubuntu0ppa1~maverick3 client library for OpenStack Compute API
ii python-openid 2.2.4-1build1 OpenID support for servers and consumers
ii python-openssl 0.10-1 Python wrapper around the OpenSSL library
ii python-paste 1.7.4-1 tools for using a Web Server Gateway Interface stack
ii python-pastedeploy 1.3.3-3ubuntu2 load, configure, and compose WSGI applications and servers
ii python-pastescript 1.7.3-6 serving web applications, creating file layouts for Python packages
ii python-pkg-resources 0.6.14-3ubuntu1 Package Discovery and Resource Access using pkg_resources
ii python-prettytable 0.5-1 library to represent tabular data in visually appealing ASCII tables
ii python-py 1.2.1-4 Advanced Python testing tool and networking lib
ii python-pycurl 7.19.0-3 Python bindings to libcurl
ii python-pyorbit 2.24.0-5ubuntu3 A Python language binding for the ORBit2 CORBA implementation
ii python-routes 1.12.3-1 Routing Recognition and Generation Tools
ii python-scgi 1.13-1 Server-side implementation of the SCGI protocol
ii python-setuptools 0.6.14-3ubuntu1 Python Distutils Enhancements (setuptools compatibility)
ii python-simplejson 2.1.1-1 simple, fast, extensible JSON encoder/decoder for Python
ii python-software-properties 0.76.7 manage the repositories that you install software from
ii python-sqlalchemy 0.6.3-2 SQL toolkit and Object Relational Mapper for Python
ii python-sqlalchemy-ext 0.6.3-2 SQL toolkit and Object Relational Mapper for Python - C extension
ii python-support 1.0.9ubuntu1 automated rebuilding support for Python modules
ii python-swift 1.2.0-0ubuntu1~maverick0 A distributed virtual object store (python libraries)
ii python-tempita 0.4-1 very small text templating language
ii python-twisted-bin 10.1.0-2 Event-based framework for internet applications
ii python-twisted-core 10.1.0-2 Event-based framework for internet applications
ii python-twisted-web 10.1.0-1 An HTTP protocol implementation together with clients and servers
ii python-urlgrabber 3.1.0-5ubuntu1 A high-level cross-protocol url-grabber
ii python-vte 1:0.26.0-0ubuntu2 Python bindings for the VTE widget set
ii python-webob 1.0.8-0~ppamaverick2 Python module providing WSGI request and response objects
ii python-xattr 0.4-5 module for manipulating filesystem extended attributes
ii python-zope.interface 3.6.1-0ubuntu1 Interfaces for Python