Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-16 13:09:06.209 ***
=CRASH REPORT==== 16-Apr-2024::13:09:06.208905 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68807.0>
    registered_name: []
    exception exit: {#Ref<0.3114286617.2103967745.186733>,5045459,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68802.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 6263
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-04-16 13:09:06.209 ***
=CRASH REPORT==== 16-Apr-2024::13:09:06.208911 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68814.0>
    registered_name: []
    exception exit: {#Ref<0.3114286617.2103967745.186733>,5045459,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68802.0>]
    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 2024-04-16 13:09:32.194 ***
=CRASH REPORT==== 16-Apr-2024::13:09:32.193964 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68907.0>
    registered_name: []
    exception exit: {#Ref<0.3114286617.2103443458.180976>,5055841,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68902.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 10958
    stack_size: 28
    reductions: 4564
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-04-16 13:09:32.194 ***
=CRASH REPORT==== 16-Apr-2024::13:09:32.193966 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.68914.0>
    registered_name: []
    exception exit: {#Ref<0.3114286617.2103443458.180976>,5055841,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 592)
    ancestors: [<0.68902.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: