Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-26 12:52:19.500 ***
=CRASH REPORT==== 26-Apr-2024::12:52:19.500121 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68880.0>
    registered_name: []
    exception exit: {#Ref<0.1436122264.2186543105.85548>,5036950,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68875.0>]
    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 2024-04-26 12:52:19.500 ***
=CRASH REPORT==== 26-Apr-2024::12:52:19.500169 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68887.0>
    registered_name: []
    exception exit: {#Ref<0.1436122264.2186543105.85548>,5036950,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68875.0>]
    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 2024-04-26 12:52:44.966 ***
=CRASH REPORT==== 26-Apr-2024::12:52:44.966243 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68980.0>
    registered_name: []
    exception exit: {#Ref<0.1436122264.2185756674.257631>,5057254,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68975.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4621
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-04-26 12:52:44.966 ***
=CRASH REPORT==== 26-Apr-2024::12:52:44.966255 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68987.0>
    registered_name: []
    exception exit: {#Ref<0.1436122264.2185756674.257631>,5057254,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68975.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: