Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-02-23 16:10:22.838 ***
=CRASH REPORT==== 23-Feb-2024::16:10:22.838097 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68210.0>
    registered_name: []
    exception exit: {#Ref<0.3021556944.2921070593.195239>,5033255,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.68205.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4563
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-02-23 16:10:22.838 ***
=CRASH REPORT==== 23-Feb-2024::16:10:22.838107 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68217.0>
    registered_name: []
    exception exit: {#Ref<0.3021556944.2921070593.195239>,5033255,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.68205.0>]
    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 2024-02-23 16:10:48.242 ***
=CRASH REPORT==== 23-Feb-2024::16:10:48.242385 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68310.0>
    registered_name: []
    exception exit: {#Ref<0.3021556944.2921070593.199665>,5029826,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.68305.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4568
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-02-23 16:10:48.242 ***
=CRASH REPORT==== 23-Feb-2024::16:10:48.242421 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68317.0>
    registered_name: []
    exception exit: {#Ref<0.3021556944.2921070593.199665>,5029826,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.68305.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: