centos fails within the extract image stage already.

+ ROOT_FSTYPE='vfat
ext4
vfat
xfs'
+ '[' xfs = 'vfat
ext4
vfat
xfs' ']'
+ '[' btrfs = 'vfat
ext4
vfat
xfs' ']'
+ MOUNTOPTS=
+ sudo mount /tmp/tmp.t6f24yUYTo/mnt
mount: /tmp/tmp.t6f24yUYTo/mnt: can't find in /etc/fstab.
++ sudo kpartx -d /tmp/tmp.t6f24yUYTo/LN6o7O.raw
++ rm -r /tmp/tmp.t6f24yUYTo