Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-13 08:24:57.233 ***
=CRASH REPORT==== 13-Mar-2024::08:24:57.232866 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.62057.0>
    registered_name: []
    exception exit: {#Ref<0.4099339413.3331588097.206550>,5027244,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.62052.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5216
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-13 08:24:57.233 ***
=CRASH REPORT==== 13-Mar-2024::08:24:57.232874 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.62064.0>
    registered_name: []
    exception exit: {#Ref<0.4099339413.3331588097.206550>,5027244,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.62052.0>]
    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 2024-03-13 08:25:22.598 ***
=CRASH REPORT==== 13-Mar-2024::08:25:22.598601 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.62164.0>
    registered_name: []
    exception exit: {#Ref<0.4099339413.3331063810.201667>,5028091,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.62152.0>]
    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 2024-03-13 08:25:22.599 ***
=CRASH REPORT==== 13-Mar-2024::08:25:22.598602 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.62157.0>
    registered_name: []
    exception exit: {#Ref<0.4099339413.3331063810.201667>,5028091,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.62152.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4548
  neighbours: