root@island108:/var/log/nova# euca-authorize -P icmp -t -1:-1 default
Traceback (most recent call last):
  File "/usr/bin/euca-authorize", line 185, in <module>
    main()
  File "/usr/bin/euca-authorize", line 162, in main
    euca.display_error_and_exit('%s' % ex)
  File "/usr/lib/python2.6/dist-packages/euca2ools/__init__.py", line 1091, in display_error_and_exit
    dom = minidom.parseString(msg)
  File "/usr/lib/python2.6/xml/dom/minidom.py", line 1928, in parseString
    return expatbuilder.parseString(string)
  File "/usr/lib/python2.6/xml/dom/expatbuilder.py", line 940, in parseString
    return builder.parseString(string)
  File "/usr/lib/python2.6/xml/dom/expatbuilder.py", line 223, in parseString
    parser.Parse(string, True)
xml.parsers.expat.ExpatError: syntax error: line 1, column 0