Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-25 15:09:19.715 ***
=CRASH REPORT==== 25-Apr-2024::15:09:19.715342 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69152.0>
    registered_name: []
    exception exit: {#Ref<0.1283203780.1715994625.142801>,5030229,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69147.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5186
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-25 15:09:19.715 ***
=CRASH REPORT==== 25-Apr-2024::15:09:19.715348 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69159.0>
    registered_name: []
    exception exit: {#Ref<0.1283203780.1715994625.142801>,5030229,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69147.0>]
    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 2024-04-25 15:09:45.110 ***
=CRASH REPORT==== 25-Apr-2024::15:09:45.110744 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69259.0>
    registered_name: []
    exception exit: {#Ref<0.1283203780.1715994625.148942>,5029919,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69247.0>]
    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 2024-04-25 15:09:45.111 ***
=CRASH REPORT==== 25-Apr-2024::15:09:45.110744 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69252.0>
    registered_name: []
    exception exit: {#Ref<0.1283203780.1715994625.148942>,5029919,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69247.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4579
  neighbours: