Description of configuration options for mlnx

Configuration option = Default value	Description
backoff_rate = 2	(IntOpt) backoff rate multiplier for waiting period between retries for request to daemon, i.e. value of 2 will double the request timeout each retry
daemon_endpoint = tcp://127.0.0.1:60001	(StrOpt) eswitch daemon end point
request_timeout = 3000	(IntOpt) The number of milliseconds the agent will wait for response on request to daemon.
vnic_type = mlnx_direct	(StrOpt) Type of VM network interface: mlnx_direct or hostdev