Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-15 20:23:39.107 ***
=CRASH REPORT==== 15-Apr-2024::20:23:39.107030 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69237.0>
    registered_name: []
    exception exit: {#Ref<0.452623477.2217476097.16186>,5034231,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69232.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5187
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-15 20:23:39.107 ***
=CRASH REPORT==== 15-Apr-2024::20:23:39.107063 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69244.0>
    registered_name: []
    exception exit: {#Ref<0.452623477.2217476097.16186>,5034231,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69232.0>]
    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 2024-04-15 20:24:04.497 ***
=CRASH REPORT==== 15-Apr-2024::20:24:04.497096 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69337.0>
    registered_name: []
    exception exit: {#Ref<0.452623477.2216689666.250892>,5032017,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69332.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4525
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-04-15 20:24:04.497 ***
=CRASH REPORT==== 15-Apr-2024::20:24:04.497105 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69344.0>
    registered_name: []
    exception exit: {#Ref<0.452623477.2216689666.250892>,5032017,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69332.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: