Fix container failed to start

Error: Failed to run: /usr/bin/lxd forkstart tfstate /var/lib/lxd/containers /var/log/lxd/tfstate/lxc.conf

metal/roles/lxd/tasks/main.yml

@@ -55,6 +55,14 @@
     creates: /var/lib/lxd/cluster.crt
   when: inventory_hostname != groups['metal'][0]
 
+- name: Set subuid/subgid range for mapping container users/groups to host UIDs/GIDs
+  lineinfile:
+    path: "{{ item }}"
+    line: "root:1000000:65536"
+  loop:
+    - /etc/subuid
+    - /etc/subgid
+
 # TODO (optimize) Use template for tfvars
 - name: Add LXD server to environment variables
   lineinfile: