The dhclient package isn't available on the minimal ISO image for >= EL8, therefore installation fails because it tries to install this package. The IP address is managed by network manager.
Related issues
Bug #35583: dhclient not available in minimal iso image for EL>=8
Added by Bernhard Suttner over 1 year ago
Fixes #35583 - Skip dhclient installation
The dhclient package isn't available on the minimal ISO image for >= EL8, therefore installation fails because it tries to install this package. The IP address is managed by network manager.