Redirect rfclient stderr to logfile
Redirect rfclient stderr to logfile

Signed-off-by: Joe Stringer <16a9a54ddf4259952e3c118c763138e83693d7fd@wand.net.nz>

raphaelvrosa/RouteFlow,raphaelvrosa/RouteFlow,rsanger/RouteFlow,routeflow/RouteFlow,arazmj/RouteFlow,ralph-mikera/RouteFlow-1,ralph-mikera/RouteFlow-1,arazmj/RouteFlow,ralph-mikera/RouteFlow-1,srijanmishra/RouteFlow,c3m3gyanesh/RouteFlow-OpenConfig,ralph-mikera/RouteFlow-1,srijanmishra/RouteFlow,c3m3gyanesh/RouteFlow-OpenConfig,srijanmishra/RouteFlow,arazmj/RouteFlow,c3m3gyanesh/RouteFlow-OpenConfig,routeflow/RouteFlow,c3m3gyanesh/RouteFlow-OpenConfig,routeflow/RouteFlow,rsanger/RouteFlow,srijanmishra/RouteFlow,raphaelvrosa/RouteFlow,rsanger/RouteFlow,ralph-mikera/RouteFlow-1,ralph-mikera/RouteFlow-1,rsanger/RouteFlow,c3m3gyanesh/RouteFlow-OpenConfig,arazmj/RouteFlow,raphaelvrosa/RouteFlow,routeflow/RouteFlow,raphaelvrosa/RouteFlow,rsanger/RouteFlow,routeflow/RouteFlow,arazmj/RouteFlow,rsanger/RouteFlow,raphaelvrosa/RouteFlow,c3m3gyanesh/RouteFlow-OpenConfig,arazmj/RouteFlow,srijanmishra/RouteFlow