Kernel (4.XX.X-XXX.XX.XX.el8_X.x86_64) is not supported.
This issue has been resolved by the below patch.
https://www.veritas.com/content/support/en_US/downloads/update.UPD880664
Installation steps are as follows.
1. Please download VSRL_21_0_3_Linux_English_InstallOnly.tar.gz from the above URL.
2. Run "tar xvf VSRL_21_0_3_Linux_English_InstallOnly.tar.gz" to extract the installer.
3. Move to the extracted directory, and run "./Veritas_System_Recovery.bin".
4. Complete according to the installation wizard.