Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-08 09:13:12.018 ***
=CRASH REPORT==== 8-Mar-2024::09:13:12.017763 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.66349.0>
    registered_name: []
    exception exit: {#Ref<0.1519091429.611581954.123941>,5073986,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.66344.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4560
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-08 09:13:12.018 ***
=CRASH REPORT==== 8-Mar-2024::09:13:12.017778 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.66356.0>
    registered_name: []
    exception exit: {#Ref<0.1519091429.611581954.123941>,5073986,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.66344.0>]
    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 2024-03-08 09:13:37.631 ***
=CRASH REPORT==== 8-Mar-2024::09:13:37.631613 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.66449.0>
    registered_name: []
    exception exit: {#Ref<0.1519091429.611581954.128045>,5229967,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.66444.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4579
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-03-08 09:13:37.632 ***
=CRASH REPORT==== 8-Mar-2024::09:13:37.631618 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.66457.0>
    registered_name: []
    exception exit: {#Ref<0.1519091429.611581954.128045>,5229967,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.66444.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: