Skip comment lines when adding host ssh keys

playbooks/include/deploy-kvm-guest.yml

@@ -165,7 +165,7 @@
         path: /root/.ssh/known_hosts
         key: "{{ item }}"
         host: "{{ inventory_hostname }}"
-      with_items: "{{ hostkeys.stdout.splitlines() }}"
+      with_items: "{{ hostkeys.stdout.splitlines() | reject('match', '^#.*') }}"
       delegate_to: localhost
       when: inventory_hostname not in result.list_vms