Comment 1 for bug 1025258

The error output is:
2012-07-17 10:39:31 TRACE nova.openstack.common.rpc.amqp [u'Traceback (most recent call last):\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/openstack/common/rpc/amqp.py", line 275, in _process_data\n rval = self.proxy.dispatch(ctxt, version, method, **args)\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/openstack/common/rpc/dispatcher.py", line 145, in dispatch\n return getattr(proxyobj, method)(ctxt, **kwargs)\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/network/manager.py", line 262, in wrapped\n return func(self, context, *args, **kwargs)\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/network/manager.py", line 387, in deallocate_for_instance\n super(FloatingIP, self).deallocate_for_instance(context, **kwargs)\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/network/manager.py", line 262, in wrapped\n return func(self, context, *args, **kwargs)\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/network/manager.py", line 990, in deallocate_for_instance\n self.deallocate_fixed_ip(context, fixed_ip[\'address\'], **kwargs)\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/network/manager.py", line 248, in deallocate_fixed_ip\n \'args\': args})\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/openstack/common/rpc/__init__.py", line 100, in call\n return _get_impl().call(cfg.CONF, context, topic, msg, timeout)\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/openstack/common/rpc/impl_kombu.py", line 712, in call\n rpc_amqp.get_connection_pool(conf, Connection))\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/openstack/common/rpc/amqp.py", line 368, in call\n rv = list(rv)\n', u' File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/openstack/common/rpc/amqp.py", line 336, in __iter__\n raise result\n', u'ProcessExecutionError_Remote: Unexpected error while running command.\nCommand: sudo dhcp_release br100 172.168.1.66 fa:16:3e:0f:06:7e\nExit code: 1\nStdout: \'\'\nStderr: \'sudo: dhcp_release: command not found\\n\'\nTraceback (most recent call last):\n\n File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/openstack/common/rpc/amqp.py", line 275, in _process_data\n rval = self.proxy.dispatch(ctxt, version, method, **args)\n\n File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/openstack/common/rpc/dispatcher.py", line 145, in dispatch\n return getattr(proxyobj, method)(ctxt, **kwargs)\n\n File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/network/manager.py", line 252, in deallocate_fixed_ip\n address)\n\n File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/network/manager.py", line 1297, in deallocate_fixed_ip\n self.driver.release_dhcp(dev, address, vif[\'address\'])\n\n File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/network/linux_net.py", line 649, in release_dhcp\n utils.execute(\'dhcp_release\', dev, address, mac_address, run_as_root=True)\n\n File "/usr/local/lib/python2.7/dist-packages/nova-2012.2-py2.7.egg/nova/utils.py", line 191, in execute\n cmd=\' \'.join(cmd))\n\nProcessExecutionError: Unexpected error while running command.\nCommand: sudo dhcp_release br100 172.168.1.66 fa:16:3e:0f:06:7e\nExit code: 1\nStdout: \'\'\nStderr: \'sudo: dhcp_release: command not found\\n\'\n\n'].