UA5540[A][1021ms]: closer: unblocked  ELAPSED=854 ms
UA5540[2][7130ms]: closer: unblocked  ELAPSED=6950 ms
UA5540[3][13147ms]: closer: unblocked  ELAPSED=12963 ms
UA5540[B][2219ms]: closer: unblocked  ELAPSED=2034 ms
UA5540[C][744ms]: closer: unblocked  ELAPSED=564 ms