在混合环境中部署SSM Agent报 ERROR Registration failed due to error registering the instance with AWS SSM. UnknownOperationException:
系统环境是：
[root@localhost ~]# uname -a
Linux localhost.localdomain 3.10.0-1062.el7.x86_64 #1 SMP Wed Aug 7 18:08:02 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost ~]# cat /etc/redhat-release
CentOS Linux release 7.7.1908 (Core)
