DEBUG: Loading plugin ohai_time
DEBUG: Loading plugin network_listeners
DEBUG: Plugin network_listeners threw exception #<LoadError: no such file to load -- sigar> /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
/usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
/usr/lib/ruby/gems/1.8/gems/ohai-0.5.4/lib/ohai/plugins/network_listeners.rb:19:in `from_file'
/usr/lib/ruby/gems/1.8/gems/ohai-0.5.4/lib/ohai/system.rb:199:in `require_plugin'
/usr/lib/ruby/gems/1.8/gems/ohai-0.5.4/lib/ohai/system.rb:194:in `each'
/usr/lib/ruby/gems/1.8/gems/ohai-0.5.4/lib/ohai/system.rb:194:in `require_plugin'
/usr/lib/ruby/gems/1.8/gems/ohai-0.5.4/lib/ohai/system.rb:126:in `all_plugins'
/usr/lib/ruby/gems/1.8/gems/ohai-0.5.4/lib/ohai/system.rb:119:in `each'
/usr/lib/ruby/gems/1.8/gems/ohai-0.5.4/lib/ohai/system.rb:119:in `all_plugins'
/usr/lib/ruby/gems/1.8/gems/ohai-0.5.4/lib/ohai/system.rb:117:in `each'
/usr/lib/ruby/gems/1.8/gems/ohai-0.5.4/lib/ohai/system.rb:117:in `all_plugins'
/usr/lib/ruby/gems/1.8/gems/chef-0.8.16/bin/../lib/chef/client.rb:119:in `run_ohai'
/usr/lib/ruby/gems/1.8/gems/chef-0.8.16/bin/../lib/chef/client.rb:124:in `determine_node_name'
/usr/lib/ruby/gems/1.8/gems/chef-0.8.16/bin/../lib/chef/client.rb:82:in `run'
/usr/lib/ruby/gems/1.8/gems/chef-0.8.16/bin/../lib/chef/application/client.rb:215:in `run_application'
/usr/lib/ruby/gems/1.8/gems/chef-0.8.16/bin/../lib/chef/application/client.rb:207:in `loop'
/usr/lib/ruby/gems/1.8/gems/chef-0.8.16/bin/../lib/chef/application/client.rb:207:in `run_application'
/usr/lib/ruby/gems/1.8/gems/chef-0.8.16/bin/../lib/chef/application.rb:62:in `run'
/usr/lib/ruby/gems/1.8/gems/chef-0.8.16/bin/chef-client:26
/usr/bin/chef-client:19:in `load'
/usr/bin/chef-client:19