Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-12 08:16:54.997 ***
=CRASH REPORT==== 12-Mar-2024::08:16:54.997460 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68607.0>
    registered_name: []
    exception exit: {#Ref<0.391818357.2300837889.151323>,5038053,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.68602.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4576
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-12 08:16:54.997 ***
=CRASH REPORT==== 12-Mar-2024::08:16:54.997472 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68614.0>
    registered_name: []
    exception exit: {#Ref<0.391818357.2300837889.151323>,5038053,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.68602.0>]
    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 08:17:20.394 ***
=CRASH REPORT==== 12-Mar-2024::08:17:20.394489 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68708.0>
    registered_name: []
    exception exit: {#Ref<0.391818357.2300313602.138222>,5030905,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.68703.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5212
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-03-12 08:17:20.394 ***
=CRASH REPORT==== 12-Mar-2024::08:17:20.394508 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68715.0>
    registered_name: []
    exception exit: {#Ref<0.391818357.2300313602.138222>,5030905,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.68703.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: