Success SSH a tty image but failed SSH UEC image

After a fix dnsmasq issue, dnsmasq is running well now.....
https://answers.launchpad.net/nova/+question/152089

And I got another question, I thought they are all the same problem before, but I know the different now.

Information
========ip addr show====on Nova-network host======
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet 169.254.169.254/32 scope link lo
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0e:7b:d0:05:ef brd ff:ff:ff:ff:ff:ff
    inet6 fe80::20e:7bff:fed0:5ef/64 scope link
       valid_lft forever preferred_lft forever
3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN qlen 1000
    link/ether 00:19:d2:22:70:51 brd ff:ff:ff:ff:ff:ff
4: br100: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN
    link/ether 00:0e:7b:d0:05:ef brd ff:ff:ff:ff:ff:ff
    inet 192.168.2.1/24 brd 192.168.2.255 scope global br100
    inet 192.168.1.2/24 brd 192.168.1.255 scope global br100
    inet6 fe80::c4ae:29ff:fe88:609/64 scope link
       valid_lft forever preferred_lft forever
===========================================

I run up several instance as below

[tty image] I can ping and ssh it , but can't connect to remote host (169.254.169.254): Connection timed out

====euca-get-condole-out-put====

### tail -n 25 \/var\/log\/messages
Apr 11 05:31:45 ttylinux_host syslog.info syslogd started: BusyBox v1.17.2
Apr 11 05:31:45 ttylinux_host user.info kernel: [ 1.580412] eth0: link up, 100Mbps, full-duplex, lpa 0x05E1
Apr 11 05:31:55 ttylinux_host user.debug kernel: [ 11.710034] eth0: no IPv6 routers present
Apr 11 05:42:48 ttylinux_host authpriv.info dropbear[358]: Running in background
############ debug end ##############
cloud-setup: failed to read iid from metadata. tried 30
stty: \/dev\/console
sshd is already running.
stty: \/dev\/console
startup inetd [ OK ]
stty: \/dev\/console
startup crond [ OK ]
wget: can't connect to remote host (169.254.169.254): Connection timed out
cloud-userdata: failed to read instance id
===== cloud-final: system completely up in 694.02 seconds ====
wget: can't connect to remote host (169.254.169.254): Connection timed out
wget: can't connect to remote host (169.254.169.254): Connection timed out
wget: can't connect to remote host (169.254.169.254): Connection timed out
  instance-id:
  public-ipv4:
  local-ipv4 :
=> First-Boot Sequence:
setting shared object cache [running ldconfig] [ OK ]
===============================================

With [UEC-image] can not ping or SSH
=========console output===========
 cloud-init start-local running: Mon, 11 Apr 2011 05:39:36 +0000. up 3.41 seconds^M
    298 init: plymouth-splash main process (322) terminated with status 2^M
    299 init: plymouth main process (49) killed by SEGV signal^M
    300 no instance data found in start-local
    301 init: cloud-init-local main process (268) terminated with status 1^M
    302 cloud-init start running: Mon, 11 Apr 2011 05:39:37 +0000. up 4.08 seconds
    303 2011-04-11 05:39:39,075 - DataSourceEc2.py[WARNING]: waiting for metadata service at http:\/\/169.254.169.254\/2009-04-04\/meta-data\/instance-id
    304
    305 2011-04-11 05:39:39,077 - DataSourceEc2.py[WARNING]: 05:39:39 [ 1\/100]: url error [timed out]
    306
    307 2011-04-11 05:39:42,082 - DataSourceEc2.py[WARNING]: 05:39:42 [ 2\/100]: url error [timed out]

~~~~~~
 505 2011-04-11 06:00:28,534 - DataSourceEc2.py[CRITICAL]: giving up on md after 1251 seconds
    506
    507 Traceback (most recent call last):
    508 File "\/usr\/bin\/cloud-init", line 196, in <module>
    509 main()
    510 File "\/usr\/bin\/cloud-init", line 72, in main
    511 cloud.get_data_source()
    512 File "\/usr\/lib\/python2.6\/dist-packages\/cloudinit\/__init__.py", line 270, in get_data_source
    513 log.debug("did not find data source from %s" % dslist)
    514 TypeError: not all arguments converted during string formatting
    515 init: cloud-init main process (351) terminated with status 1^M
    516 mountall: Event failed
    517 init: plymouth-log main process (603) terminated with status 1^M
    518 * Starting AppArmor profiles ^[[80G ^M^[[74G[ OK ]
    519 2011-04-11 06:00:31,422 - DataSourceEc2.py[WARNING]: waiting for metadata service at http:\/\/169.254.169.254\/2009-04-04\/meta-data\/instance-id
    520
    521 2011-04-11 06:00:31,424 - DataSourceEc2.py[WARNING]: 06:00:31 [ 1\/100]: url error [timed out]
    522
    523 2011-04-11 06:00:34,429 - DataSourceEc2.py[WARNING]: 06:00:34 [ 2\/100]: url error [timed out]
~~~~~~~~~
 623 landscape-client is not configured, please run landscape-config.
    624 2011-04-11 06:06:59,931 - DataSourceEc2.py[WARNING]: 06:06:59 [52\/100]: url error [timed out]
    625
    626 2011-04-11 06:07:12,939 - DataSourceEc2.py[WARNING]: 06:07:12 [53\/100]: url error [timed out]
~~~~~~~~
2011-04-11 06:21:20,851 - DataSourceEc2.py[CRITICAL]: giving up on md after 1251 seconds
    726
    727 Traceback (most recent call last):
    728 File "\/usr\/bin\/cloud-init-cfg", line 116, in <module>
    729 main()
    730 File "\/usr\/bin\/cloud-init-cfg", line 63, in main
    731 cc = cloudinit.CloudConfig.CloudConfig(cfg_path)
    732 File "\/usr\/lib\/python2.6\/dist-packages\/cloudinit\/CloudConfig\/__init__.py", line 35, in __init__
    733 self.cloud.get_data_source()
    734 File "\/usr\/lib\/python2.6\/dist-packages\/cloudinit\/__init__.py", line 270, in get_data_source
    735 log.debug("did not find data source from %s" % dslist)
    736 TypeError: not all arguments converted during string formatting
========================================================