=== 게스트에서 sudo 가 되나 ===
uid=0(root) gid=0(root) groups=0(root)

=== 실제로 쓴 kc-lab-1.yaml 을 게스트의 cloud-init schema 에 건다 ===
Error:
Cloud config schema errors: users.0: {'name': 'donghyeon', 'groups': ['sudo'], 'shell': '/bin/bash', 'sudo': ['ALL=(ALL) NOPASSWD:ALL'], 'lock_passwd': False, 'plain_text_passwd': '<REDACTED 5자>', 'ssh_authorized_keys': ['ssh-ed25519 <REDACTED> test-server -> kc-lab', 'ssh-ed25519 <REDACTED> donghyeon@donghyeon-960XGK']} is not valid under any of the given schemasCloud config schema deprecations: 

종료=1
