Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-12 09:27:56.786 ***
=CRASH REPORT==== 12-Mar-2024::09:27:56.786442 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69166.0>
    registered_name: []
    exception exit: {#Ref<0.1276943691.165150721.11917>,5148691,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.69161.0>]
    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 2024-03-12 09:27:56.787 ***
=CRASH REPORT==== 12-Mar-2024::09:27:56.786453 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69173.0>
    registered_name: []
    exception exit: {#Ref<0.1276943691.165150721.11917>,5148691,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.69161.0>]
    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 2024-03-12 09:28:22.425 ***
=CRASH REPORT==== 12-Mar-2024::09:28:22.425339 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69266.0>
    registered_name: []
    exception exit: {#Ref<0.1276943691.164626434.53438>,5053049,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.69261.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4584
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-03-12 09:28:22.425 ***
=CRASH REPORT==== 12-Mar-2024::09:28:22.425340 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69273.0>
    registered_name: []
    exception exit: {#Ref<0.1276943691.164626434.53438>,5053049,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.69261.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: