Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-25 07:02:08.784 ***
=CRASH REPORT==== 25-Apr-2024::07:02:08.784498 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68837.0>
    registered_name: []
    exception exit: {#Ref<0.1592506804.2713976833.80032>,5072045,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68832.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4528
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-25 07:02:08.784 ***
=CRASH REPORT==== 25-Apr-2024::07:02:08.784503 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68844.0>
    registered_name: []
    exception exit: {#Ref<0.1592506804.2713976833.80032>,5072045,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68832.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-04-25 07:02:34.171 ***
=CRASH REPORT==== 25-Apr-2024::07:02:34.171330 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68938.0>
    registered_name: []
    exception exit: {#Ref<0.1592506804.2713190402.141962>,5028348,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68933.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5185
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-04-25 07:02:34.171 ***
=CRASH REPORT==== 25-Apr-2024::07:02:34.171330 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68945.0>
    registered_name: []
    exception exit: {#Ref<0.1592506804.2713190402.141962>,5028348,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68933.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: