This is anita version 2.9
Using pexpect version 4.8.0
/usr/pkg/bin/anita \
    --workdir=/bracket/sparc/test/2020.05.19.06.26.37/anita \
    --structured-log-file=/bracket/sparc/test/2020.05.19.06.26.37/test.slog \
    --vmm-args= \
    --memory-size 64M \
    test \
    file:///bracket/sparc/test/2020.05.19.06.26.37/release/release/images/NetBSD-9.99.63-sparc.iso
QEMU emulator version 6.0.0
Copyright (c) 2003-2021 Fabrice Bellard and the QEMU Project developers
qemu path: /usr/pkg/bin/qemu-system-sparc
qemu package: qemu-6.0.0nb2
glib2 package: glib2-2.64.1
qemu-system-sparc \
    -m 64 \
    -drive file=/bracket/sparc/test/2020.05.19.06.26.37/anita/wd0.img,format=raw,media=disk,snapshot=on \
    -nographic \
    -drive file=/bracket/sparc/test/2020.05.19.06.26.37/anita/tests-results.img,format=raw,media=disk,snapshot=off
child pid is 17886
Configuration device id QEMU version 1 machine id 32
Probing SBus slot 0 offset 0
Probing SBus slot 1 offset 0
Probing SBus slot 2 offset 0
Probing SBus slot 3 offset 0
Probing SBus slot 4 offset 0
Probing SBus slot 5 offset 0
Invalid FCode start byte
CPUs: 1 x FMI,MB86904
UUID: 00000000-0000-0000-0000-000000000000
Welcome to OpenBIOS v1.1 built on Mar 16 2021 08:15
  Type 'help' for detailed information
Trying disk:a...
Not a bootable ELF image
Loading a.out image...
Loaded 65536 bytes
entry point is 0x4000
bootpath: /iommu@0,10000000/sbus@0,10001000/espdma@5,8400000/esp@5,8800000/sd@0,0:a
switching to new context:
Unhandled Exception 0x00000002
PC = 0x00004004 NPC = 0x00004008
Stopping execution
Traceback (most recent call last):
  File "/usr/pkg/bin/anita", line 157, in <module>
    status = main()
  File "/usr/pkg/bin/anita", line 148, in main
    status = a.run_tests(timeout = options.test_timeout)
  File "/usr/pkg/lib/python3.7/site-packages/anita.py", line 2476, in run_tests
    child = self.boot(scratch_disk_args)
  File "/usr/pkg/lib/python3.7/site-packages/anita.py", line 2401, in boot
    r = self.child.expect([r'\033\[c', r'\033\[5n', r'login:'])
  File "/usr/pkg/lib/python3.7/site-packages/anita.py", line 242, in expect
    r = pexpect.spawn.expect(self, pattern, *args, **kwargs)
  File "/usr/pkg/lib/python3.7/site-packages/pexpect/spawnbase.py", line 344, in expect
    timeout, searchwindowsize, async_)
  File "/usr/pkg/lib/python3.7/site-packages/pexpect/spawnbase.py", line 372, in expect_list
    return exp.expect_loop(timeout)
  File "/usr/pkg/lib/python3.7/site-packages/pexpect/expect.py", line 181, in expect_loop
    return self.timeout(e)
  File "/usr/pkg/lib/python3.7/site-packages/pexpect/expect.py", line 144, in timeout
    raise exc
pexpect.exceptions.TIMEOUT: Timeout exceeded.
<anita.pexpect_spawn_log object at 0x77283a9c7aa0>
command: /usr/pkg/bin/qemu-system-sparc
args: ['/usr/pkg/bin/qemu-system-sparc', '-m', '64', '-drive', 'file=/bracket/sparc/test/2020.05.19.06.26.37/anita/wd0.img,format=raw,media=disk,snapshot=on', '-nographic', '-drive', 'file=/bracket/sparc/test/2020.05.19.06.26.37/anita/tests-results.img,format=raw,media=disk,snapshot=off']
buffer (last 100 chars): b'context:\r\r\nUnhandled Exception 0x00000002\r\r\nPC = 0x00004004 NPC = 0x00004008\r\r\nStopping execution\r\r\n'
before (last 100 chars): b'context:\r\r\nUnhandled Exception 0x00000002\r\r\nPC = 0x00004004 NPC = 0x00004008\r\r\nStopping execution\r\r\n'
after: <class 'pexpect.exceptions.TIMEOUT'>
match: None
match_index: None
exitstatus: None
flag_eof: False
pid: 17886
child_fd: 9
closed: False
timeout: 3600
delimiter: <class 'pexpect.exceptions.EOF'>
logfile: None
logfile_read: <anita.multifile object at 0x77283a9c7ce0>
logfile_send: <anita.Logger object at 0x77283a9c78e0>
maxread: 2000
ignorecase: False
searchwindowsize: None
delaybeforesend: 0.05
delayafterclose: 30.0
delayafterterminate: 30.0
searcher: searcher_re:
    0: re.compile(b'\\033\\[c')
    1: re.compile(b'\\033\\[5n')
    2: re.compile(b'login:')
     3630.81 real      3568.79 user        43.67 sys