it seems that cepces is not working on Ubuntu 22.04...

# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 22.04 LTS
Release:        22.04
Codename:       jammy

# apt list --installed | egrep "certmonger|python"

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

certmonger/jammy,now 0.79.14+git20211010-2ubuntu1 amd64 [installed]
libpython3-dev/jammy,now 3.10.4-0ubuntu2 amd64 [installed,automatic]
libpython3-stdlib/jammy,now 3.10.4-0ubuntu2 amd64 [installed,automatic]
libpython3.10-dev/jammy,now 3.10.4-3 amd64 [installed,automatic]
libpython3.10-minimal/jammy,now 3.10.4-3 amd64 [installed,automatic]
libpython3.10-stdlib/jammy,now 3.10.4-3 amd64 [installed,automatic]
libpython3.10/jammy,now 3.10.4-3 amd64 [installed,automatic]
python-apt-common/jammy,now 2.3.0ubuntu2 all [installed,automatic]
python-babel-localedata/jammy,now 2.8.0+dfsg.1-7 all [installed,automatic]
python3-apport/jammy,now 2.20.11-0ubuntu82 all [installed,automatic]
python3-apt/jammy,now 2.3.0ubuntu2 amd64 [installed,automatic]
python3-attr/jammy,now 21.2.0-1 all [installed,automatic]
python3-automat/jammy,now 20.2.0-1 all [installed,automatic]
python3-babel/jammy,now 2.8.0+dfsg.1-7 all [installed,automatic]
python3-bcrypt/jammy,now 3.2.0-1build1 amd64 [installed,automatic]
python3-blinker/jammy,now 1.4+dfsg1-0.4 all [installed,automatic]
python3-certifi/jammy,now 2020.6.20-1 all [installed,automatic]
python3-cffi-backend/jammy,now 1.15.0-1build2 amd64 [installed,automatic]
python3-chardet/jammy,now 4.0.0-1 all [installed,automatic]
python3-click/jammy,now 8.0.3-1 all [installed,automatic]
python3-colorama/jammy,now 0.4.4-1 all [installed,automatic]
python3-commandnotfound/jammy,now 22.04.0 all [installed,automatic]
python3-configobj/jammy,now 5.0.6-5 all [installed,automatic]
python3-constantly/jammy,now 15.1.0-2 all [installed,automatic]
python3-cryptography/jammy,now 3.4.8-1ubuntu2 amd64 [installed]
python3-dbus/jammy,now 1.2.18-3build1 amd64 [installed,automatic]
python3-debconf/jammy,now 1.5.79ubuntu1 all [installed,automatic]
python3-debian/jammy,now 0.1.43ubuntu1 all [installed,automatic]
python3-dev/jammy,now 3.10.4-0ubuntu2 amd64 [installed,automatic]
python3-distro-info/jammy,now 1.1build1 all [installed,automatic]
python3-distro/jammy,now 1.7.0-1 all [installed,automatic]
python3-distupgrade/jammy,now 1:22.04.10 all [installed,automatic]
python3-distutils/jammy,now 3.10.4-0ubuntu1 all [installed,automatic]
python3-dnspython/jammy,now 2.1.0-1ubuntu1 all [installed,automatic]
python3-gdbm/jammy,now 3.10.4-0ubuntu1 amd64 [installed,automatic]
python3-gi/jammy,now 3.42.0-3build1 amd64 [installed,automatic]
python3-gpg/jammy,now 1.16.0-1.2ubuntu4 amd64 [installed,automatic]
python3-hamcrest/jammy,now 2.0.2-2 all [installed,automatic]
python3-httplib2/jammy,now 0.20.2-2 all [installed,automatic]
python3-hyperlink/jammy,now 21.0.0-3 all [installed,automatic]
python3-idna/jammy,now 3.3-1 all [installed,automatic]
python3-importlib-metadata/jammy,now 4.6.4-1 all [installed,automatic]
python3-incremental/jammy,now 21.3.0-1 all [installed,automatic]
python3-jeepney/jammy,now 0.7.1-3 all [installed,automatic]
python3-jinja2/jammy,now 3.0.3-1 all [installed,automatic]
python3-json-pointer/jammy,now 2.0-0ubuntu1 all [installed,automatic]
python3-jsonpatch/jammy,now 1.32-2 all [installed,automatic]
python3-jsonschema/jammy,now 3.2.0-0ubuntu2 all [installed,automatic]
python3-jwt/jammy,now 2.3.0-1 all [installed,automatic]
python3-kerberos/jammy,now 1.1.14-3.1build5 amd64 [installed,automatic]
python3-keyring/jammy,now 23.5.0-1 all [installed,automatic]
python3-launchpadlib/jammy,now 1.10.16-1 all [installed,automatic]
python3-lazr.restfulclient/jammy,now 0.14.4-1 all [installed,automatic]
python3-lazr.uri/jammy,now 1.0.6-2 all [installed,automatic]
python3-ldb/jammy,now 2:2.4.2-0ubuntu1 amd64 [installed,automatic]
python3-lib2to3/jammy,now 3.10.4-0ubuntu1 all [installed,automatic]
python3-markdown/jammy,now 3.3.6-1 all [installed,automatic]
python3-markupsafe/jammy,now 2.0.1-2build1 amd64 [installed,automatic]
python3-minimal/jammy,now 3.10.4-0ubuntu2 amd64 [installed,automatic]
python3-more-itertools/jammy,now 8.10.0-2 all [installed,automatic]
python3-netifaces/jammy,now 0.11.0-1build2 amd64 [installed,automatic]
python3-newt/jammy,now 0.52.21-5ubuntu2 amd64 [installed,automatic]
python3-oauthlib/jammy,now 3.2.0-1 all [installed,automatic]
python3-openssl/jammy,now 21.0.0-1 all [installed,automatic]
python3-pexpect/jammy,now 4.8.0-2ubuntu1 all [installed,automatic]
python3-pip/jammy,now 22.0.2+dfsg-1 all [installed]
python3-pkg-resources/jammy,now 59.6.0-1.2 all [installed,automatic]
python3-problem-report/jammy,now 2.20.11-0ubuntu82 all [installed,automatic]
python3-ptyprocess/jammy,now 0.7.0-3 all [installed,automatic]
python3-pyasn1-modules/jammy,now 0.2.1-1 all [installed,automatic]
python3-pyasn1/jammy,now 0.4.8-1 all [installed,automatic]
python3-pygments/jammy,now 2.11.2+dfsg-2 all [installed,automatic]
python3-pyparsing/jammy,now 2.4.7-1 all [installed,automatic]
python3-pyrsistent/jammy,now 0.18.1-1build1 amd64 [installed,automatic]
python3-requests-kerberos/jammy,now 0.12.0-2 all [installed]
python3-requests-toolbelt/jammy,now 0.9.1-1 all [installed,automatic]
python3-requests/jammy,now 2.25.1+dfsg-2 all [installed]
python3-samba/jammy,now 2:4.15.5~dfsg-0ubuntu5 amd64 [installed,automatic]
python3-secretstorage/jammy,now 3.3.1-1 all [installed,automatic]
python3-serial/jammy,now 3.5-1 all [installed,automatic]
python3-service-identity/jammy,now 18.1.0-6 all [installed,automatic]
python3-setuptools/jammy,now 59.6.0-1.2 all [installed]
python3-six/jammy,now 1.16.0-3ubuntu1 all [installed,automatic]
python3-software-properties/jammy,now 0.99.22 all [installed,automatic]
python3-sss/jammy,now 2.6.3-1ubuntu3 amd64 [installed,automatic]
python3-systemd/jammy,now 234-3ubuntu2 amd64 [installed,automatic]
python3-talloc/jammy,now 2.3.3-2build1 amd64 [installed,automatic]
python3-tdb/jammy,now 1.4.5-2build1 amd64 [installed,automatic]
python3-twisted/jammy,now 22.1.0-2ubuntu2 all [installed,automatic]
python3-tz/jammy,now 2022.1-1 all [installed,automatic]
python3-update-manager/jammy,now 1:22.04.9 all [installed,automatic]
python3-urllib3/jammy,now 1.26.5-1~exp1 all [installed,automatic]
python3-wadllib/jammy,now 1.3.6-1 all [installed,automatic]
python3-wheel/jammy,now 0.37.1-2 all [installed]
python3-xkit/jammy,now 0.5.0ubuntu5 all [installed,automatic]
python3-yaml/jammy,now 5.4.1-1ubuntu1 amd64 [installed,automatic]
python3-zipp/jammy,now 1.0.0-3 all [installed,automatic]
python3-zope.interface/jammy,now 5.4.0-1build1 amd64 [installed,automatic]
python3.10-dev/jammy,now 3.10.4-3 amd64 [installed,automatic]
python3.10-minimal/jammy,now 3.10.4-3 amd64 [installed,automatic]
python3.10/jammy,now 3.10.4-3 amd64 [installed,automatic]
python3/jammy,now 3.10.4-0ubuntu2 amd64 [installed,automatic]


# journalctl -xe -t certmonger
May 05 08:21:43 atgrzsl4096 certmonger[813459]: Traceback (most recent call
last):
May 05 08:21:43 atgrzsl4096 certmonger[813459]:   File
"/usr/local/libexec/certmonger/cepces-submit", line 28, in <module>
May 05 08:21:43 atgrzsl4096 certmonger[813459]:     from
cepces.certmonger.operation import Operation
May 05 08:21:43 atgrzsl4096 certmonger[813459]:   File
"/usr/local/lib/python3.10/dist-packages/cepces-0.3.4-py3.10.egg/cepces/certmonger/operation.py",
line 29, in <module>
May 05 08:21:43 atgrzsl4096 certmonger[813459]:   File
"/usr/local/lib/python3.10/dist-packages/cepces-0.3.4-py3.10.egg/cepces/core.py",
line 32, in <module>
May 05 08:21:43 atgrzsl4096 certmonger[813459]:   File
"/usr/local/lib/python3.10/dist-packages/cepces-0.3.4-py3.10.egg/cepces/xcep/service.py",
line 22, in <module>
May 05 08:21:43 atgrzsl4096 certmonger[813459]:   File
"/usr/local/lib/python3.10/dist-packages/cepces-0.3.4-py3.10.egg/cepces/soap/service.py",
line 26, in <module>
May 05 08:21:43 atgrzsl4096 certmonger[813459]:   File
"/usr/local/lib/python3.10/dist-packages/cepces-0.3.4-py3.10.egg/cepces/soap/types.py",
line 26, in <module>
May 05 08:21:43 atgrzsl4096 certmonger[813459]:     yield 1
May 05 08:21:43 atgrzsl4096 certmonger[813459]:   File
"/usr/local/lib/python3.10/dist-packages/cepces-0.3.4-py3.10.egg/cepces/xml/binding.py",
line 21, in <module>
May 05 08:21:43 atgrzsl4096 certmonger[813459]: ImportError: cannot import name
'MutableSequence' from 'collections'
(/usr/lib/python3.10/collections/__init__.py)