# File lib/fog/network/openstack/requests/update_port.rb, line 5
        def update_port(port_id, options = {})
          data = {'port' => {}}

          vanilla_options = [:name, :fixed_ips, :admin_state_up, :device_owner,
                             :device_id, :security_groups, :allowed_address_pairs]
          vanilla_options.select { |o| options.key?(o) }.each do |key|
            data['port'][key] = options[key]
          end

          request(
            :body    => Fog::JSON.encode(data),
            :expects => 200,
            :method  => 'PUT',
            :path    => "ports/#{port_id}.json"
          )
        end