Mount rhcos sysroot from qcow2 image
modprobe nbd max_part=8 qemu-nbd qemu-nbd --connect=/dev/nbd0 /home/images/leaf1-host.img fdisk /dev/nbd0 -l cryptsetup luksOpen /dev/nbd0p4 rhcos456 mount /dev/mapper/rhcos456 /mnt/rhcos/
Disconnect
umount /mnt/rhcos/ qemu-nbd --disconnect /dev/nbd0 rmmod nbd