Description of configuration options for agent

Configuration option=Default value	Description
agent_down_time=5	(IntOpt) Seconds to regard the agent is down.
external_pids=$state_path/external/pids	(StrOpt) Location to store child pid files
interface_driver=None	(StrOpt) The driver used to manage the virtual interface.
report_interval=4	(FloatOpt) Seconds between nodes reporting state to server
use_namespaces=True	(BoolOpt) Allow overlapping IP.