def bfd
      val = config_get('interface_ospf', 'bfd', @interface.name)
      return if val.nil?
      val.include?('disable') ? false : true
    end
def bfd
      val = config_get('interface_ospf', 'bfd', @interface.name)
      return if val.nil?
      val.include?('disable') ? false : true
    end
CLI can be either of the following or none
 ip ospf bfd
 ip ospf bfd disable