Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-22 14:00:11.330 ***
=CRASH REPORT==== 22-Apr-2024::14:00:11.330134 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69161.0>
    registered_name: []
    exception exit: {#Ref<0.4080459843.1035993089.34592>,6013023,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69156.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5080
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-22 14:00:11.330 ***
=CRASH REPORT==== 22-Apr-2024::14:00:11.330166 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69168.0>
    registered_name: []
    exception exit: {#Ref<0.4080459843.1035993089.34592>,6013023,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69156.0>]
    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 2024-04-22 14:00:36.968 ***
=CRASH REPORT==== 22-Apr-2024::14:00:36.967945 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69261.0>
    registered_name: []
    exception exit: {#Ref<0.4080459843.1035993089.38052>,5043491,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69256.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5161
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-04-22 14:00:36.968 ***
=CRASH REPORT==== 22-Apr-2024::14:00:36.967945 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69268.0>
    registered_name: []
    exception exit: {#Ref<0.4080459843.1035993089.38052>,5043491,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69256.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: