py38-certbot-2.6.0 - Broken for me in pkgsrc_head

[yancm%sdf.org@localhost]

On NetBSD 9.3_STABLE amd64, pkgsrc latest, I'm getting:

# certbot
Traceback (most recent call last):
  File "/usr/pkg/bin/certbot", line 33, in <module>
    sys.exit(load_entry_point('certbot==2.6.0', 'console_scripts',
'certbot')())
  File "/usr/pkg/bin/certbot", line 25, in importlib_load_entry_point
    return next(matches).load()
  File "/usr/pkg/lib/python3.8/importlib/metadata.py", line 77, in load
    module = import_module(match.group('module'))
  File "/usr/pkg/lib/python3.8/importlib/__init__.py", line 127, in
import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 843, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in
_call_with_frames_removed
  File "/usr/pkg/lib/python3.8/site-packages/certbot/main.py", line 6, in
<module>
    from certbot._internal import main as internal_main
  File "/usr/pkg/lib/python3.8/site-packages/certbot/_internal/main.py",
line 21, in <module>
    import josepy as jose
  File "/usr/pkg/lib/python3.8/site-packages/josepy/__init__.py", line 40,
in <module>
    from josepy.json_util import (
  File "/usr/pkg/lib/python3.8/site-packages/josepy/json_util.py", line
14, in <module>
    from OpenSSL import crypto
  File "/usr/pkg/lib/python3.8/site-packages/OpenSSL/__init__.py", line 8,
in <module>
    from OpenSSL import SSL, crypto
  File "/usr/pkg/lib/python3.8/site-packages/OpenSSL/SSL.py", line 9, in
<module>
    from OpenSSL._util import (
  File "/usr/pkg/lib/python3.8/site-packages/OpenSSL/_util.py", line 6, in
<module>
    from cryptography.hazmat.bindings.openssl.binding import Binding
  File
"/usr/pkg/lib/python3.8/site-packages/cryptography/hazmat/bindings/openssl/binding.py",
line 15, in <module>
    from cryptography.hazmat.bindings._rust import _openssl, openssl
ImportError:
/usr/pkg/lib/python3.8/site-packages/cryptography/hazmat/bindings/_rust.abi3.so:
Shared object "libssl.so.1.1" not found

I tried rebuilding certbot and testing, but apparently there are no tests
for certbot?

any help appreciated!
--gene