Then /^the hostname should not have been leaked on the network$/ do
  begin
    hostname = $vm.execute("hostname").stdout.chomp
    packets = PacketFu::PcapFile.new.file_to_array(filename: @sniffer.pcap_file)
    packets.each do |p|
      # if PacketFu::TCPPacket.can_parse?(p)
      #   ipv4_tcp_packets << PacketFu::TCPPacket.parse(p)
      if PacketFu::IPPacket.can_parse?(p)
        payload = PacketFu::IPPacket.parse(p).payload
      elsif PacketFu::IPv6Packet.can_parse?(p)
        payload = PacketFu::IPv6Packet.parse(p).payload
      else
        raise "Found something in the pcap file that either is non-IP, or cannot be parsed"
      end
      if payload.match(hostname)
        raise "Hostname leak detected"
      end
    end
  rescue Exception => e
    save_failure_artifact("Network capture", @sniffer.pcap_file)
    raise e
  end
end