anchor.diff:  - version       : 2
     interfaces    : ["03:00.0","03:00.1"]                         
     port_limit    : 2 
  -  enable_zmq_pub  : true  # enable publisher for stats data 
  -  zmq_pub_port    : 4507                                        
     prefix          : setup1                                      <1>
     limit_memory    : 1024                                        <2>
     c               : 4                                           <3>
  
positive.code:                     src_mac         :   [0x0,0x0,0x0,0x8,0x0,0x02]
                    - dest_mac        :   [0x0,0x0,0x0,0x9,0x0,0x03]  # port 4
  ----
  <1>  The number of ports, should be equal to the number of interfaces in 3)
  <2>  Must be set to 2
  <3>  Interface that should be used. used `sudo ./dpdk_setup_ports.py --show`
  <4>  Enable the ZMQ publisher for stats data.
  <5>  ZMQ port number.
  
  <6> The name of the setup should be distinct ( DPDK --file-prefix )
  <7> DPDK -m limit the packet memory 
  
negative.code: 
  [source,python]
  ----
          - port_limit    : 2    #mandatory                                                               <1>
            version       : 2    #mandatory                                                               <2>
            interfaces    : ["03:00.0","03:00.1"]   #mandatory                                            <3>          
            #enable_zmq_pub  : true                                                                       <4>
            #zmq_pub_port    : 4500                                                                       <5>
            #prefix          : setup1                                                                     <6>
            #limit_memory    : 1024                                                                       <7>
            c               : 4                                                                           <8>
            port_bandwidth_gb : 10                                                                        <9>
            port_info       :  # set eh mac addr  mandatory
                    - dest_mac        :   [0x1,0x0,0x0,0x1,0x0,0x00]  # port 0                            <10>
                      src_mac         :   [0x2,0x0,0x0,0x2,0x0,0x00]
                    - dest_mac        :   [0x3,0x0,0x0,0x3,0x0,0x00]  # port 1
  