- port_limit      : 2 
  version       : 2
  interfaces    : ["03:00.0","03:00.1","13:00.1","13:00.0"]   # list of the interfaces to bind run ./dpdk_nic_bind.py --status 
  interface_mask  : [ "0000:11:00.00", "0000:11:00.01" ,"0000:0b:00.00","0000:0b:00.01"]  # deprecated
  enable_zmq_pub  : true  # enable publisher for stats data