Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-23 11:05:05.144 ***
=CRASH REPORT==== 23-Apr-2024::11:05:05.144304 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69324.0>
    registered_name: []
    exception exit: {#Ref<0.4023539956.157810689.113391>,5036397,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69319.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4544
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-23 11:05:05.144 ***
=CRASH REPORT==== 23-Apr-2024::11:05:05.144349 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69331.0>
    registered_name: []
    exception exit: {#Ref<0.4023539956.157810689.113391>,5036397,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69319.0>]
    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 2024-04-23 11:05:30.616 ***
=CRASH REPORT==== 23-Apr-2024::11:05:30.616391 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69425.0>
    registered_name: []
    exception exit: {#Ref<0.4023539956.157810689.117884>,5047391,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69420.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4536
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-04-23 11:05:30.617 ***
=CRASH REPORT==== 23-Apr-2024::11:05:30.616409 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69432.0>
    registered_name: []
    exception exit: {#Ref<0.4023539956.157810689.117884>,5047391,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69420.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: