Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-16 10:25:19.195 ***
=CRASH REPORT==== 16-Apr-2024::10:25:19.195211 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.55063.0>
    registered_name: []
    exception exit: {#Ref<0.3089699135.736100353.245336>,5045790,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.55058.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5241
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-16 10:25:19.195 ***
=CRASH REPORT==== 16-Apr-2024::10:25:19.195268 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.55070.0>
    registered_name: []
    exception exit: {#Ref<0.3089699135.736100353.245336>,5045790,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.55058.0>]
    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 2024-04-16 10:25:44.586 ***
=CRASH REPORT==== 16-Apr-2024::10:25:44.585905 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.55163.0>
    registered_name: []
    exception exit: {#Ref<0.3089699135.736100353.251636>,5030262,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.55158.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4969
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-04-16 10:25:44.586 ***
=CRASH REPORT==== 16-Apr-2024::10:25:44.585956 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.55170.0>
    registered_name: []
    exception exit: {#Ref<0.3089699135.736100353.251636>,5030262,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.55158.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: