anchor.diff:          (assertValueOneOf "WithoutRA" ["no" "solicit" "information-request"])
           (assertRange "SendOption" 1 65536)
           (assertInt "IAID")
  +        (assertValueOneOf "UseDelegatedPrefix" boolValues)
         ];
   
         sectionDHCPPrefixDelegation = checkUnitConfig "DHCPPrefixDelegation" [
  
positive.code:         (assertValueOneOf "UseAutonomousPrefix" boolValues)
          (assertValueOneOf "UseOnLinkPrefix" boolValues)
          (assertValueOneOf "DHCPv6Client" (boolValues ++ ["always"]))
        ];
  
        sectionDHCPServer = checkUnitConfig "DHCPServer" [
  
negative.code:         (assertValueOneOf "ActiveSlave" boolValues)
          (assertValueOneOf "PrimarySlave" boolValues)
          (assertValueOneOf "ConfigureWithoutCarrier" boolValues)
          (assertValueOneOf "KeepConfiguration" (boolValues ++ ["static" "dhcp-on-stop" "dhcp"]))
        ];
  
  