$ pvesm list local-lvm --vmid 534
Volid                      Format  Type              Size VMID
local-lvm:vm-534-cloudinit raw     images         4194304 534
local-lvm:vm-534-disk-0    raw     images    107374182400 534

$ pvesm path local-lvm:vm-534-disk-0
/dev/pve/vm-534-disk-0

$ mkdir ub2204

$ qemu-img convert -p -f raw -O qcow2 /dev/pve/vm-534-disk-0 /root/ub2204/ub2204.qcow2
    (100.00/100%)

$ ls -lh ub2204/
total 12G
-rw-r--r-- 1 root root  12G May 19 13:14 ub2204.qcow2

$ qm create 535 --name ubtest2 --memory 12288 --cores 4 --net0 virtio,bridge=vmbr0

$ qm importdisk 535 ~/ub2204/ub2204.qcow2 local-lvm

$ qm set 535 --scsihw virtio-scsi-pci --scsi0 local-lvm:vm-535-disk-0

$ qm set 535 --ide2 local-lvm:cloudinit

$ pvesm list local-lvm --vmid 535
Volid                      Format  Type              Size VMID
local-lvm:vm-535-cloudinit raw     images         4194304 535
local-lvm:vm-535-disk-0    raw     images    107374182400 535

$ qm set 535 --boot c --bootdisk scsi0

$ nano /var/lib/vz/snippets/user535.yml
#cloud-config
hostname: ub2204
package_update: true
packages:
  - nano
write_files:
  - path: /etc/resolv.conf
    permissions: 0644
    owner: root
    content: |
      nameserver 8.8.8.8
system_info:
  default_user:
    name: bigred
    groups: bigred
    lock_passwd: false
    sudo: ALL=(ALL) NOPASSWD:ALL
    plain_text_passwd: 'bigred'
    homedir: /home/bigred
    shell: /bin/bash
ssh_pwauth: True
# - bootcmd will run on every boot
#bootcmd:
#  - echo "hi andy" > /home/andy/test

$ nano /var/lib/vz/snippets/network535.yml
version: 1
config:
    - type: physical
      name: ens18
      subnets:
      - type: static
        address: '192.168.33.99'
        netmask: '255.255.255.0'
        gateway: '192.168.33.254'


$ qm set 535 --cicustom "user=local:snippets/user535.yml,network=local:snippets/network535.yml"
update VM 535: -cicustom user=local:snippets/user535.yml,network=local:snippets/network535.yml

$ qm start 535