This looks like a bug:

While taking a look into the foreman code, I saw that snippet in app/services/fact_parser.rb

  def find_physical_interface(interfaces)
    interfaces.detect { |int, _| int.to_s !~ FactParser::VIRTUAL_NAMES }
  end

  def find_virtual_interface(interfaces)
    interfaces.detect { |int, _| int.to_s =~ /#{FactParser::BONDS}/ }
  end

I think this should be

  def find_physical_interface(interfaces)
    interfaces.detect { |int, _| int.to_s !~ FactParser::VIRTUAL_NAMES }
  end

  def find_virtual_interface(interfaces)
    interfaces.detect { |int, _| int.to_s =~ FactParser::VIRTUAL_NAMES }
  end