Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2023-11-16 09:16:25.013 ***
=CRASH REPORT==== 16-Nov-2023::09:16:25.012945 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.32743.1>
    registered_name: []
    exception exit: {#Ref<0.2950858526.2237923329.105650>,5041024,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.32738.1>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4639
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2023-11-16 09:16:25.013 ***
=CRASH REPORT==== 16-Nov-2023::09:16:25.012947 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.32750.1>
    registered_name: []
    exception exit: {#Ref<0.2950858526.2237923329.105650>,5041024,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.32738.1>]
    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 2023-11-16 09:16:50.495 ***
=CRASH REPORT==== 16-Nov-2023::09:16:50.495488 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.75.2>
    registered_name: []
    exception exit: {#Ref<0.2950858526.2237923329.109064>,5067684,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.70.2>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5328
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2023-11-16 09:16:50.496 ***
=CRASH REPORT==== 16-Nov-2023::09:16:50.495502 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.82.2>
    registered_name: []
    exception exit: {#Ref<0.2950858526.2237923329.109064>,5067684,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.70.2>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: