Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-11 11:40:08.831 ***
=CRASH REPORT==== 11-Mar-2024::11:40:08.830857 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.37891.0>
    registered_name: []
    exception exit: {#Ref<0.674767761.2914779137.178615>,5033040,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.37886.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4576
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-11 11:40:08.831 ***
=CRASH REPORT==== 11-Mar-2024::11:40:08.830873 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.37898.0>
    registered_name: []
    exception exit: {#Ref<0.674767761.2914779137.178615>,5033040,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.37886.0>]
    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 2024-03-11 11:40:34.226 ***
=CRASH REPORT==== 11-Mar-2024::11:40:34.226082 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.37998.0>
    registered_name: []
    exception exit: {#Ref<0.674767761.2914516994.12957>,5033014,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.37986.0>]
    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 2024-03-11 11:40:34.226 ***
=CRASH REPORT==== 11-Mar-2024::11:40:34.226083 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.37991.0>
    registered_name: []
    exception exit: {#Ref<0.674767761.2914516994.12957>,5033014,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.37986.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4552
  neighbours: