send dhcp6.vendor-class = 00:00:00:02:00:00:79:69:70:70:69:65; # --> enterprise-id: 2 (IBM), vendor-string: "yippie"
#                        {-----------}
#                              |     {-----}
#                              |        |  {-----------------}
#                              |        |           |
#                              |        |           vendor-class-data: Arbitrary string containing information about the vendor device
#                              |        No clue what these 2 bytes are about. According RFC the Enterprise number is 4 Bytes long and directly afterwards comes the user-data - however the user-data seems to start at position 6 instead of 4
#                              vendor-class-enterprise-id: 4 bytes, assigned by IANA (http://www.iana.org/assignments/enterprise-numbers)