Comment 5 for bug 1644064

Verified xenial keeps sshd_config perms:

$ name=test-proposed
$ release=xenial
$ ref=$release-proposed
$ ./lxc-proposed-snapshot --proposed --publish $release $ref
$ lxc init $ref $name
$ lxc init $ref $name
Creating test-proposed
$ lxc file pull $name/etc/ssh/sshd_config .
$ ls -ltr sshd_config
-rw-r--r-- 1 csmith csmith 2540 May 11 14:54 sshd_config
$ chmod 600 sshd_config
$ ls -ltr sshd_config
-rw------- 1 csmith csmith 2540 May 11 14:54 sshd_config
$ lxc file push sshd_config $name/etc/ssh/sshd_config;
$ cat config.yml
#cloud-config
ssh_pwauth: true
$ lxc config set $name user.user-data - < config.yml;
$ lxc start $name
$ sleep 10
$ lxc exec $name -- ls -ltr /etc/ssh/sshd_config
-rw------- 1 ubuntu ubuntu 2540 May 11 20:55 /etc/ssh/sshd_config
$ lxc exec $name -- dpkg -l cloud-init
...
ii cloud-init 0.7.9-113-g5 all Init scripts for cloud instances