Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-23 11:07:49.862 ***
=CRASH REPORT==== 23-Apr-2024::11:07:49.862262 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69003.0>
    registered_name: []
    exception exit: {#Ref<0.3606725010.1232076801.85331>,5032267,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68998.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5220
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-23 11:07:49.862 ***
=CRASH REPORT==== 23-Apr-2024::11:07:49.862267 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69010.0>
    registered_name: []
    exception exit: {#Ref<0.3606725010.1232076801.85331>,5032267,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68998.0>]
    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 2024-04-23 11:08:15.654 ***
=CRASH REPORT==== 23-Apr-2024::11:08:15.653838 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69103.0>
    registered_name: []
    exception exit: {#Ref<0.3606725010.1232076801.91618>,5030927,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69098.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4934
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-04-23 11:08:15.654 ***
=CRASH REPORT==== 23-Apr-2024::11:08:15.653870 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69110.0>
    registered_name: []
    exception exit: {#Ref<0.3606725010.1232076801.91618>,5030927,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.69098.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: