Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-21 07:48:01.211 ***
=CRASH REPORT==== 21-Mar-2024::07:48:01.210981 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69590.0>
    registered_name: []
    exception exit: {#Ref<0.2682658624.3231449089.184992>,5036135,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.69585.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5225
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-21 07:48:01.211 ***
=CRASH REPORT==== 21-Mar-2024::07:48:01.210981 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69597.0>
    registered_name: []
    exception exit: {#Ref<0.2682658624.3231449089.184992>,5036135,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.69585.0>]
    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 2024-03-21 07:48:26.664 ***
=CRASH REPORT==== 21-Mar-2024::07:48:26.664668 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69690.0>
    registered_name: []
    exception exit: {#Ref<0.2682658624.3231449089.191344>,5048946,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.69685.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5193
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-03-21 07:48:26.665 ***
=CRASH REPORT==== 21-Mar-2024::07:48:26.664710 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.69697.0>
    registered_name: []
    exception exit: {#Ref<0.2682658624.3231449089.191344>,5048946,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.69685.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: