kickstart command clearpart doesn't work on a multipath disk

Issue

• The use of the clearpart command in a kickstart on a multipathed device leads to an error with this message:

 * installation log files are stored in /tmp during the installation
 * shell is available on TTY2
 * when reporting a bug add logs from /tmp as separate text/plain attachments
14:36:00 Not asking for VNC because of an automated install
14:36:00 Not asking for VNC because text mode was explicitly asked for in kickstart

Starting automated install......
Checking software selection
Generating updated storage configuration
storage configuration failed: The following problem occurred on line 12 of the kickstart file:

More than one match found for given boot drive "disk/by-id/scsi-xxx".