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Error when starting nova-network - iptables-restore

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Hi! I would like some help with nova-network. Yestarday it was working and
now I'm having problems.



2011-10-07 08:56:20,884 AUDIT nova [-] Starting network node (version
2011.3-nova-milestone-tarball:tarmac-20110922115702-k9nkvxqzhj130av2)
2011-10-07 08:56:20,885 DEBUG nova.utils [-] Attempting to grab semaphore
"iptables" for method "apply"... from (pid=20298) inner
/usr/lib/python2.7/dist-packages/nova/utils.py:672
2011-10-07 08:56:20,885 DEBUG nova.utils [-] Attempting to grab file lock
"iptables" for method "apply"... from (pid=20298) inner
/usr/lib/python2.7/dist-packages/nova/utils.py:677
2011-10-07 08:56:20,886 DEBUG nova.utils [-] Running cmd (subprocess): sudo
iptables-save -t filter from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:165
2011-10-07 08:56:20,920 DEBUG nova.utils [-] Running cmd (subprocess): sudo
iptables-restore from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:165
2011-10-07 08:56:20,952 DEBUG nova.utils [-] Running cmd (subprocess): sudo
iptables-save -t nat from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:165
2011-10-07 08:56:20,989 DEBUG nova.utils [-] Running cmd (subprocess): sudo
iptables-restore from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:165
2011-10-07 08:56:21,031 DEBUG nova.utils [-] Result was 2 from (pid=20298)
execute /usr/lib/python2.7/dist-packages/nova/utils.py:180
2011-10-07 08:56:21,032 DEBUG nova.utils [-] ['sudo', 'iptables-restore']
failed. Retrying. from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:194
2011-10-07 08:56:22,223 DEBUG nova.utils [-] Running cmd (subprocess): sudo
iptables-restore from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:165
2011-10-07 08:56:22,241 DEBUG nova.utils [-] Result was 2 from (pid=20298)
execute /usr/lib/python2.7/dist-packages/nova/utils.py:180
2011-10-07 08:56:22,242 DEBUG nova.utils [-] ['sudo', 'iptables-restore']
failed. Retrying. from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:194
2011-10-07 08:56:23,684 DEBUG nova.utils [-] Running cmd (subprocess): sudo
iptables-restore from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:165
2011-10-07 08:56:23,698 DEBUG nova.utils [-] Result was 2 from (pid=20298)
execute /usr/lib/python2.7/dist-packages/nova/utils.py:180
2011-10-07 08:56:23,699 DEBUG nova.utils [-] ['sudo', 'iptables-restore']
failed. Retrying. from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:194
2011-10-07 08:56:24,440 DEBUG nova.utils [-] Running cmd (subprocess): sudo
iptables-restore from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:165
2011-10-07 08:56:24,456 DEBUG nova.utils [-] Result was 2 from (pid=20298)
execute /usr/lib/python2.7/dist-packages/nova/utils.py:180
2011-10-07 08:56:24,456 DEBUG nova.utils [-] ['sudo', 'iptables-restore']
failed. Retrying. from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:194
2011-10-07 08:56:24,817 DEBUG nova.utils [-] Running cmd (subprocess): sudo
iptables-restore from (pid=20298) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:165
2011-10-07 08:56:24,832 DEBUG nova.utils [-] Result was 2 from (pid=20298)
execute /usr/lib/python2.7/dist-packages/nova/utils.py:180
2011-10-07 08:56:24,833 CRITICAL nova [-] Unexpected error while running
command.
Command: sudo iptables-restore
Exit code: 2
Stdout: ''
Stderr: "Bad argument `#'\nError occurred at line: 18\nTry `iptables-restore
-h' or 'iptables-restore --help' for more information.\n"
(nova): TRACE: Traceback (most recent call last):
(nova): TRACE:   File "/usr/bin/nova-network", line 49, in <module>
(nova): TRACE:     service.wait()
(nova): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/service.py",
line 357, in wait
(nova): TRACE:     _launcher.wait()
(nova): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/service.py",
line 107, in wait
(nova): TRACE:     service.wait()
(nova): TRACE:   File
"/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 166, in
wait
(nova): TRACE:     return self._exit_event.wait()
(nova): TRACE:   File "/usr/lib/python2.7/dist-packages/eventlet/event.py",
line 116, in wait
(nova): TRACE:     return hubs.get_hub().switch()
(nova): TRACE:   File
"/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 177, in switch
(nova): TRACE:     return self.greenlet.switch()
(nova): TRACE:   File
"/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 192, in
main
(nova): TRACE:     result = function(*args, **kwargs)
(nova): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/service.py",
line 77, in run_server
(nova): TRACE:     server.start()
(nova): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/service.py",
line 137, in start
(nova): TRACE:     self.manager.init_host()
(nova): TRACE:   File
"/usr/lib/python2.7/dist-packages/nova/network/manager.py", line 954, in
init_host
(nova): TRACE:     self.driver.init_host()
(nova): TRACE:   File
"/usr/lib/python2.7/dist-packages/nova/network/linux_net.py", line 404, in
init_host
(nova): TRACE:     iptables_manager.apply()
(nova): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/utils.py", line
685, in inner
(nova): TRACE:     retval = f(*args, **kwargs)
(nova): TRACE:   File
"/usr/lib/python2.7/dist-packages/nova/network/linux_net.py", line 318, in
apply
(nova): TRACE:     attempts=5)
(nova): TRACE:   File
"/usr/lib/python2.7/dist-packages/nova/network/linux_net.py", line 735, in
_execute
nova): TRACE:     return utils.execute(*cmd, **kwargs)
(nova): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/utils.py", line
188, in execute
(nova): TRACE:     cmd=' '.join(cmd))
(nova): TRACE: ProcessExecutionError: Unexpected error while running
command.
(nova): TRACE: Command: sudo iptables-restore
(nova): TRACE: Exit code: 2
(nova): TRACE: Stdout: ''
(nova): TRACE: Stderr: "Bad argument `#'\nError occurred at line: 18\nTry
`iptables-restore -h' or 'iptables-restore --help' for more information.\n"
(nova): TRACE:

I'm running Ubuntu Server 11-04 and I'm following the Openstack guide.
ii  nova-network                    2011.3-0ubuntu2~ppa1~natty1
     OpenStack Compute - Network manager

The nova version is Diablo. (version
2011.3-nova-milestone-tarball:tarmac-20110922115702-k9nkvxqzhj130av2

Thanks!


-- 
- MSc. Correa, J.L.
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