This is anita version 2.10
Using pexpect version 4.8.0
/usr/pkg/bin/anita \
    --workdir=/bracket/evbarm-aarch64/test/2018.09.10.05.08.55/anita \
    --structured-log-file=/bracket/evbarm-aarch64/test/2018.09.10.05.08.55/install.slog \
    --vmm-args= install \
    file:///bracket/evbarm-aarch64/release/2018.09.10.05.08.55/release/evbarm-aarch64/
Downloading file:///bracket/evbarm-aarch64/release/2018.09.10.05.08.55/release/evbarm-aarch64/binary/gzimg/arm64.img.gz... OK
Downloading file:///bracket/evbarm-aarch64/release/2018.09.10.05.08.55/release/evbarm-aarch64/binary/kernel/netbsd-GENERIC64.img.gz... OK
Creating hard disk image... done.
Decompressing image... 2109184+0 records in
2109184+0 records out
1079902208 bytes transferred in 18.373 secs (58776585 bytes/sec)
done.
QEMU emulator version 6.0.0
Copyright (c) 2003-2021 Fabrice Bellard and the QEMU Project developers
qemu path: /usr/pkg/bin/qemu-system-aarch64
qemu package: qemu-6.0.0nb2
glib2 package: glib2-2.64.1
reversing virtio devices
qemu-system-aarch64 \
    -m 512 \
    -drive file=/bracket/evbarm-aarch64/test/2018.09.10.05.08.55/anita/wd0.img,format=raw,media=disk,snapshot=off,if=none,id=hd0 \
    -device virtio-blk-device,drive=hd0 \
    -nographic \
    -M virt \
    -cpu cortex-a57 \
    -kernel /bracket/evbarm-aarch64/test/2018.09.10.05.08.55/anita/netbsd-GENERIC64.img \
    -append root=ld4a
child pid is 17233
Traceback (most recent call last):
  File "/usr/pkg/bin/anita", line 157, in <module>
    status = main()
  File "/usr/pkg/bin/anita", line 130, in main
    a.install()
  File "/usr/pkg/lib/python3.7/site-packages/anita.py", line 2354, in install
    self._install()
  File "/usr/pkg/lib/python3.7/site-packages/anita.py", line 1471, in _install
    self._install_from_image()
  File "/usr/pkg/lib/python3.7/site-packages/anita.py", line 1500, in _install_from_image
    self.child.expect("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 0x76d01f637e60>
command: /usr/pkg/bin/qemu-system-aarch64
args: ['/usr/pkg/bin/qemu-system-aarch64', '-m', '512', '-drive', 'file=/bracket/evbarm-aarch64/test/2018.09.10.05.08.55/anita/wd0.img,format=raw,media=disk,snapshot=off,if=none,id=hd0', '-device', 'virtio-blk-device,drive=hd0', '-nographic', '-M', 'virt', '-cpu', 'cortex-a57', '-kernel', '/bracket/evbarm-aarch64/test/2018.09.10.05.08.55/anita/netbsd-GENERIC64.img', '-append', 'root=ld4a']
buffer (last 100 chars): b''
before (last 100 chars): ''
after: <class 'pexpect.exceptions.TIMEOUT'>
match: None
match_index: None
exitstatus: None
flag_eof: False
pid: 17233
child_fd: 9
closed: False
timeout: 3600
delimiter: <class 'pexpect.exceptions.EOF'>
logfile: None
logfile_read: <anita.multifile object at 0x76d01f637aa0>
logfile_send: <anita.Logger object at 0x76d01fbd32e0>
maxread: 2000
ignorecase: False
searchwindowsize: None
delaybeforesend: 0.05
delayafterclose: 30.0
delayafterterminate: 30.0
searcher: searcher_re:
    0: re.compile(b'login:')
     3662.05 real       850.88 user      2789.73 sys