0 "connecting 10 sessions ..." 1 "all 10 sessions connected" 2 "leaving session 0" 3 "leaving session 1" 4 "leaving session 2" 5 "leaving session 3" 6 "leaving session 4" 7 "leaving session 5" 8 "leaving session 6" 9 "leaving session 7" 10 "leaving session 8" 11 "leaving session 9"