Unexpected I/O log

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-27 08:57:59.539 ***
=CRASH REPORT==== 27-Mar-2024::08:57:59.539479 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.62536.0>
    registered_name: []
    exception exit: {#Ref<0.2646983894.4044095489.174528>,5028629,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.62531.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5217
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping 2024-03-27 08:57:59.539 ***
=CRASH REPORT==== 27-Mar-2024::08:57:59.539491 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.62543.0>
    registered_name: []
    exception exit: {#Ref<0.2646983894.4044095489.174528>,5028629,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.62531.0>]
    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 2024-03-27 08:58:24.920 ***
=CRASH REPORT==== 27-Mar-2024::08:58:24.920777 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.62636.0>
    registered_name: []
    exception exit: {#Ref<0.2646983894.4043571202.246212>,5029760,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.62631.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 6772
    stack_size: 28
    reductions: 5152
  neighbours:

*** System report during mod_ping_SUITE:server_ping_pong/1 in server_ping_kill 2024-03-27 08:58:24.921 ***
=CRASH REPORT==== 27-Mar-2024::08:58:24.920789 ===
  crasher:
    initial call: gen_event:init_it/6
    pid: <0.62643.0>
    registered_name: []
    exception exit: {#Ref<0.2646983894.4043571202.246212>,5029760,ok,
                     [{mod_ping_SUITE,server_ping_pong}],
                     []}
      in function  gen_event:terminate_server/4 (gen_event.erl, line 580)
    ancestors: [<0.62631.0>]
    message_queue_len: 0
    messages: []
    links: []
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 233
    stack_size: 28
    reductions: 210
  neighbours: