anchor.diff:  
   (defconstant +opt-netmask+ 1)
   (defconstant +opt-router+ 3)
  -(defconstant +opt-ntp-server+ 4)
  +(defconstant +opt-ntp-servers+ 42)
   (defconstant +opt-dns-servers+ 6)
   (defconstant +opt-host-name+ 12)
   (defconstant +opt-domain-name+ 15)
  
positive.code: 		 (sleep (+ pause (random 1.0)))
  	       else do
  		 (sleep (* 5 60)))
  	    (mezzano.network.ip::ifup interface (convert-to-ipv4-address (ip-address lease)))
  	    (loop for server in (dns-servers lease) do
  		 (pushnew (convert-to-ipv4-address server) mezzano.network.dns:*dns-servers*))
  
negative.code: (defconstant +opt-dhcp-server+ 54)
  (defconstant +opt-parameter-request-list+ 55)
  (defconstant +opt-tftp-server+ 66)
  (defconstant +opt-custom-mezzano-server+ 212)
  (defconstant +opt-end+ 255)
  
  (define-condition dhcp-error ()
  