It seems that the 3.9.0 version of opencryptoki doesn't ship the commands that you are trying to use.
$ dpkg-deb -c opencryptoki_3.14.0+dfsg-0ubuntu3_s390x.deb | grep sbin drwxr-xr-x root/root 0 2020-09-17 07:14 ./usr/sbin/ -rwxr-xr-x root/root 34744 2020-09-17 07:14 ./usr/sbin/p11sak -rwxr-xr-x root/root 88200 2020-09-17 07:14 ./usr/sbin/pkcscca -rwxr-xr-x root/root 63592 2020-09-17 07:14 ./usr/sbin/pkcsconf -rwxr-xr-x root/root 38864 2020-09-17 07:14 ./usr/sbin/pkcsep11_migrate -rwxr-xr-x root/root 47048 2020-09-17 07:14 ./usr/sbin/pkcsep11_session -rwxr-xr-x root/root 104456 2020-09-17 07:14 ./usr/sbin/pkcsicsf -rwxr-xr-x root/root 88648 2020-09-17 07:14 ./usr/sbin/pkcsslotd -rwxr-xr-x root/root 84024 2020-09-17 07:14 ./usr/sbin/pkcstok_migrate
$ dpkg-deb -c opencryptoki_3.9.0+dfsg-0ubuntu1.2_s390x.deb | grep sbin drwxr-xr-x root/root 0 2019-08-19 08:46 ./usr/sbin/ -rwxr-xr-x root/root 59792 2019-08-19 08:46 ./usr/sbin/pkcscca -rwxr-xr-x root/root 51144 2019-08-19 08:46 ./usr/sbin/pkcsconf -rwxr-xr-x root/root 30800 2019-08-19 08:46 ./usr/sbin/pkcsep11_migrate -rwxr-xr-x root/root 34888 2019-08-19 08:46 ./usr/sbin/pkcsep11_session -rwxr-xr-x root/root 71688 2019-08-19 08:46 ./usr/sbin/pkcsicsf -rwxr-xr-x root/root 118240 2019-08-19 08:46 ./usr/sbin/pkcsslotd
Are these required to verify and fix the bug?
It seems that the 3.9.0 version of opencryptoki doesn't ship the commands that you are trying to use.
$ dpkg-deb -c opencryptoki_ 3.14.0+ dfsg-0ubuntu3_ s390x.deb | grep sbin pkcsep11_ migrate pkcsep11_ session pkcsslotd pkcstok_ migrate
drwxr-xr-x root/root 0 2020-09-17 07:14 ./usr/sbin/
-rwxr-xr-x root/root 34744 2020-09-17 07:14 ./usr/sbin/p11sak
-rwxr-xr-x root/root 88200 2020-09-17 07:14 ./usr/sbin/pkcscca
-rwxr-xr-x root/root 63592 2020-09-17 07:14 ./usr/sbin/pkcsconf
-rwxr-xr-x root/root 38864 2020-09-17 07:14 ./usr/sbin/
-rwxr-xr-x root/root 47048 2020-09-17 07:14 ./usr/sbin/
-rwxr-xr-x root/root 104456 2020-09-17 07:14 ./usr/sbin/pkcsicsf
-rwxr-xr-x root/root 88648 2020-09-17 07:14 ./usr/sbin/
-rwxr-xr-x root/root 84024 2020-09-17 07:14 ./usr/sbin/
$ dpkg-deb -c opencryptoki_ 3.9.0+dfsg- 0ubuntu1. 2_s390x. deb | grep sbin pkcsep11_ migrate pkcsep11_ session pkcsslotd
drwxr-xr-x root/root 0 2019-08-19 08:46 ./usr/sbin/
-rwxr-xr-x root/root 59792 2019-08-19 08:46 ./usr/sbin/pkcscca
-rwxr-xr-x root/root 51144 2019-08-19 08:46 ./usr/sbin/pkcsconf
-rwxr-xr-x root/root 30800 2019-08-19 08:46 ./usr/sbin/
-rwxr-xr-x root/root 34888 2019-08-19 08:46 ./usr/sbin/
-rwxr-xr-x root/root 71688 2019-08-19 08:46 ./usr/sbin/pkcsicsf
-rwxr-xr-x root/root 118240 2019-08-19 08:46 ./usr/sbin/
Are these required to verify and fix the bug?