[2017-06-17 20:50:55,204][INFO ][node                     ] [Arclight] stopping ...
[2017-06-17 20:50:55,614][INFO ][node                     ] [Arclight] stopped
[2017-06-17 20:50:55,615][INFO ][node                     ] [Arclight] closing ...
[2017-06-17 20:50:55,696][INFO ][node                     ] [Arclight] closed