[RHEL 8.8] System gets hang forever during shutdown while running a stop job on luks mapped volume.

Description of problem: The system gets hang forever during shutdown while detaching the luks device.

It gets stuck with below message.

A stop job running for /dev/mapper/<luks_map_disk>

Version-Release number of selected component (if applicable):

kernel-4.18.0-477.15.1.el8_8.x86_64
systemd-239-74.el8_8.2.x86_64

How reproducible: Always.

Steps to Reproduce:
1. Configure Encrypted volume on LVM

2. Configure tang/clevis to automatic unlocking for luks device during boot.

3. Here is the content of /etc/crypttab
~~~
grep -v "#" /etc/crypttab
enc_test UUID=ecc9c957-2205-4819-82de-54c2a15b969d - _netdev
~~~

4. Reboot the system and check the console, it will get hang.

Actual results: The gets hang forever with below message

A stop job running for /dev/mapper/<luks_map_disk>

Expected results: It should not hang.

Additional info: The issue is not reproducible after downgrading the systemd package version to systemd-239-68.el8_7.4.x86_64