route_info failed

We has instances in our dashboard,But we the instances haven't get Ip address when we use fixed ip
The issue has been properly described in the following :
[ 0.944475] FDC 0 is a S82078B
Begin: Running /scripts/local-premount ... done.
[ 1.138715] EXT4-fs (vda1): mounted filesystem with ordered data mode. Opts: (null)
Begin: Running /scripts/local-bottom ... done.
done.
Begin: Running /scripts/init-bottom ... done.
[ 1.220257] Refined TSC clocksource calibration: 2000.070 MHz.
[ 2.022836] EXT4-fs (vda1): re-mounted. Opts: (null)
cloud-init start-local running: Thu, 13 Dec 2012 06:26:35 +0000. up 3.65 seconds

no instance data found in start-local

cloud-init-nonet waiting 120 seconds for a network device.

cloud-init-nonet gave up waiting for a network device.

ci-info: lo : 1 127.0.0.1 255.0.0.0 .

ci-info: eth0 : 1 . . fa:16:3e:0a:b7:fc

route_info failed

 * Stopping Handle applying cloud-config[74G[ OK ]

Waiting for network configuration...

Waiting up to 60 more seconds for network configuration...

Booting system without full network configuration...

 * Stopping Failsafe Boot Delay[74G[ OK ]

 * Starting System V initialisation compatibility[74G[ OK ]

Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd

 * Starting AppArmor profiles [80G 74G[ OK ]

landscape-client is not configured, please run landscape-config.

 * Stopping System V initialisation compatibility[74G[ OK ]

 * Starting System V runlevel compatibility[74G[ OK ]

 * Starting automatic crash report generation[74G[ OK ]

 * Starting save kernel messages[74G[ OK ]

 * Starting ACPI daemon[74G[ OK ]

 * Starting regular background program processing daemon[74G[ OK ]

 * Starting deferred execution scheduler[74G[ OK ]

 * Stopping System V runlevel compatibility[74G[ OK ]

 * Starting execute cloud user/final scripts[74G[ OK ]

 * Starting CPU interrupts balancing daemon[74G[ OK ]

root@nova:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.10
Release: 12.10
Codename: quantal

root@nova:~# uname -a
Linux nova 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

root@nova:~# dpkg -l|egrep "kvm|libvirt|dhcp|dns"
ii dnsmasq-base 2.63-1ubuntu1 amd64 Small caching DNS proxy and DHCP/TFTP server
ii dnsmasq-utils 2.63-1ubuntu1 amd64 Utilities for manipulating DHCP leases
ii dnsutils 1:9.8.1.dfsg.P1-4.2ubuntu3 amd64 Clients provided with BIND
ii isc-dhcp-client 4.2.4-1ubuntu10 amd64 ISC DHCP client
ii isc-dhcp-common 4.2.4-1ubuntu10 amd64 common files used by all the isc-dhcp* packages
ii kvm 1:84+dfsg-0ubuntu16+1.2.0+noroms+0ubuntu2 amd64 dummy transitional package from kvm to qemu-kvm
ii kvm-ipxe 1.0.0+git-3.55f6c88-0ubuntu5 all PXE ROM's for KVM
ii libdns81 1:9.8.1.dfsg.P1-4.2ubuntu3 amd64 DNS Shared Library used by BIND
ii libvirt-bin 0.9.13-0ubuntu12 amd64 programs for the libvirt library
ii libvirt0 0.9.13-0ubuntu12 amd64 library for interfacing with different virtualization systems
ii nova-compute-kvm 2012.2-0ubuntu5 all OpenStack Compute - compute node (KVM)
ii python-libvirt 0.9.13-0ubuntu12 amd64 libvirt Python bindings
ii qemu-kvm 1.2.0+noroms-0ubuntu2 amd64 Full virtualization on supported hardware

root@nova:~# vim /etc/nova/nova.conf
[DEFAULT]
###### LOGS/STATE
#verbose=True
verbose=False

###### AUTHENTICATION
auth_strategy=keystone

###### SCHEDULER
#--compute_scheduler_driver=nova.scheduler.filter_scheduler.FilterScheduler
scheduler_driver=nova.scheduler.simple.SimpleScheduler
###### VOLUMES
volume_group=nova-volumes
volume_name_template=volume-%08x
iscsi_helper=tgtadm
rootwrap_config=/etc/nova/rootwrap.conf
###### DATABASE
sql_connection=mysql://nova:nova@172.31.201.116:3306/nova

###### COMPUTE
libvirt_type=kvm
#libvirt_type=qemu
connection_type=libvirt
instance_name_template=instance-%08x
api_paste_config=/etc/nova/api-paste.ini
allow_resize_to_same_host=True
libvirt_use_virtio_for_bridges=true
start_guests_on_host_boot=true
resume_guests_state_on_host_boot=true

###### APIS

osapi_compute_extension=nova.api.openstack.compute.contrib.standard_extensions
allow_admin_api=true
s3_host=172.31.201.117
cc_host=172.31.201.117

###### RABBITMQ
rabbit_host=172.31.201.117
rabbit_port=5672
rabbit_use_ssl=false
rabbit_userid="guest"
rabbit_virtual_host="/"

###### GLANCE
image_service=nova.image.glance.GlanceImageService
glance_api_servers=172.31.201.110:9292

###### NETWORK
network_manager=nova.network.manager.FlatDHCPManager
force_dhcp_release=True
dhcpbridge_flagfile=/etc/nova/nova.conf
dhcpbridge=/usr/bin/nova-dhcpbridge
firewall_driver=nova.virt.libvirt.firewall.IptablesFirewallDriver
public_interface=eth0
flat_interface=eth1
flat_network_bridge=br100
fixed_range=10.200.200.0/24
multi_host=True
flat_injected=True
#my_ip=172.31.201.117
###### NOVNC CONSOLE
novnc_enabled=true
novncproxy_base_url= http://172.31.201.117:6080/vnc_auto.html
vncserver_proxyclient_address=172.31.201.117
vncserver_listen=172.31.201.117

########Nova
logdir=/var/log/nova
state_path=/var/lib/nova
lock_path=/var/lock/nova

#####MISC
use_deprecated_auth=false
root_helper=sudo nova-rootwrap