# File lib/facter/util/ip.rb, line 81
  def self.get_all_interface_output
    case Facter.value(:kernel)
    when 'Linux'
      output = Facter::Util::IP.exec_ip(["link"])
      output.gsub!(/^\d+:\s*/, "")                              # delete leading number
    when 'OpenBSD', 'NetBSD', 'FreeBSD', 'Darwin', 'GNU/kFreeBSD', 'DragonFly', 'AIX'
      output = Facter::Util::IP.exec_ifconfig(["-a","2>/dev/null"])
    when 'SunOS'
      output = Facter::Util::IP.exec_ifconfig(["-a"])
    when 'HP-UX'
      # (#17487)[https://projects.puppetlabs.com/issues/17487]
      # Handle NIC bonding where asterisks and virtual NICs are printed.
      if output = hpux_netstat_in
        output.gsub!(/\*/, "")                  # delete asterisks.
        output.gsub!(/^[^\n]*none[^\n]*\n/, "") # delete lines with 'none' instead of IPs.
        output.sub!(/^[^\n]*\n/, "")            # delete the header line.
        output
      end
    end
    output
  end