Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-02-23 20:00:40.099 ***
=CRASH REPORT==== 23-Feb-2024::20:00:40.099572 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.67840.0>
    registered_name: []
    exception exit: {#Ref<0.128760307.1882718209.248531>,5049114,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.67835.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5235
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-02-23 20:00:40.100 ***
=CRASH REPORT==== 23-Feb-2024::20:00:40.099586 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.67847.0>
    registered_name: []
    exception exit: {#Ref<0.128760307.1882718209.248531>,5049114,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.67835.0>]
    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 2024-02-23 20:01:05.597 ***
=CRASH REPORT==== 23-Feb-2024::20:01:05.597555 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.67940.0>
    registered_name: []
    exception exit: {#Ref<0.128760307.1882718209.253028>,5067559,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.67935.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5241
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-02-23 20:01:05.598 ***
=CRASH REPORT==== 23-Feb-2024::20:01:05.597596 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.67947.0>
    registered_name: []
    exception exit: {#Ref<0.128760307.1882718209.253028>,5067559,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.67935.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: