anchor.diff:                       match = #ofp_match{fields = []},
                        instructions =
                            [#ofp_instruction_write_actions{
  +                              actions =
  +                                  [#ofp_action_set_field{
  +                                      field = #ofp_field{name = vlan_vid,
  +                                                         value = <<258:13>> }},
  +                                   #ofp_action_copy_ttl_out{},
  +                                   #ofp_action_copy_ttl_in{},
  +                                   #ofp_action_copy_ttl_in{},
  +                                   #ofp_action_pop_pbb{},
  +                                   #ofp_action_push_pbb{ethertype = 16#1234},
  +                                   #ofp_action_pop_mpls{ethertype= 16#9876},
  +                                   #ofp_action_push_mpls{ethertype = 16#8847},
  +                                   #ofp_action_pop_vlan{},
  +                                   #ofp_action_push_vlan{ethertype = 16#8100},
  +                                   #ofp_action_dec_mpls_ttl{},
  +                                   #ofp_action_set_mpls_ttl{mpls_ttl = 10},
  +                                   #ofp_action_dec_nw_ttl{},
  +                                   #ofp_action_set_nw_ttl{nw_ttl = 10},
  +                                   #ofp_action_set_queue{queue_id = 3},
  +                                   #ofp_action_group{group_id = 99},
  +                                   #ofp_action_output{port = 6,
  +                                                      max_len = no_buffer}]},
  +                          #ofp_instruction_apply_actions{
  +                              actions =
  +                                  [#ofp_action_set_field{
  +                                      field = #ofp_field{name = eth_src,
  +                                                         value = <<1,2,3,4,
  +                                                                   5,6>> }},
  +                                   #ofp_action_set_field{
  +                                      field = #ofp_field{class = {experimenter,
  +                                                                  onf},
  +                                                         name = pbb_uca,
  +                                                         value = <<1:1>> }}]},
  +                          #ofp_instruction_write_actions{
                                 actions =
                                     [#ofp_action_output{
                                          port = controller,
  
positive.code:                      actions =
                           [#ofp_action_set_field{
                               field = #ofp_field{name = eth_src,
                                                  value = <<1,2,3,4,5,6>> }}]}]},
          #ofp_flow_mod{
              cookie = <<0,0,0,0,0,0,0,0>>,
              cookie_mask = <<0,0,0,0,0,0,0,0>>,
  
negative.code:              class = openflow_basic,name = ipv6_exthdr,
               has_mask = false,
               value = <<500:9>>,
               mask = undefined},
           #ofp_field{
               class = {experimenter, onf},name = pbb_uca,
               has_mask = false,
               value = <<1:1>>,
               mask = undefined}
      ],
      List = [
  