Comment 11 for bug 2053157

Just because tags show verification needed. I ran through and validated the netplan on jammy has right limited perms as root-rw and no warnings emitted by netplan apply due to permissions

## test logs
csmith@midtown:~$ lxc launch ubuntu-daily:jammy t-j
Creating t-j
Starting t-j
csmith@midtown:~$ lxc exec t-j -- cloud-init status --wait --format=yaml
---
_schema_version: '1'
boot_status_code: enabled-by-generator
datasource: lxd
detail: DataSourceLXD
errors: []
extended_status: done
init:
    errors: []
    finished: 1714400907.8807135
    recoverable_errors: {}
    start: 1714400907.4610379
init-local:
    errors: []
    finished: 1714400906.754673
    recoverable_errors: {}
    start: 1714400906.4037504
last_update: Mon, 29 Apr 2024 14:28:33 +0000
modules-config:
    errors: []
    finished: 1714400913.6523855
    recoverable_errors: {}
    start: 1714400913.5117085
modules-final:
    errors: []
    finished: 1714400913.9227617
    recoverable_errors: {}
    start: 1714400913.8417974
recoverable_errors: {}
schemas:
    '1':
        boot_status_code: enabled-by-generator
        datasource: lxd
        detail: DataSourceLXD
        errors: []
        extended_status: done
        init:
            errors: []
            finished: 1714400907.8807135
            recoverable_errors: {}
            start: 1714400907.4610379
        init-local:
            errors: []
            finished: 1714400906.754673
            recoverable_errors: {}
            start: 1714400906.4037504
        last_update: Mon, 29 Apr 2024 14:28:33 +0000
        modules-config:
            errors: []
            finished: 1714400913.6523855
            recoverable_errors: {}
            start: 1714400913.5117085
        modules-final:
            errors: []
            finished: 1714400913.9227617
            recoverable_errors: {}
            start: 1714400913.8417974
        recoverable_errors: {}
        stage: null
        status: done
stage: null
status: done
...

csmith@midtown:~$ echo $?
0
csmith@midtown:~$ lxc exec t-j -- ls -ltr /etc/netplan/50-cloud-init.yaml
-rw------- 1 root root 389 Apr 29 14:28 /etc/netplan/50-cloud-init.yaml
csmith@midtown:~$ lxc exec t-j -- netplan apply
WARNING:root:Cannot call Open vSwitch: ovsdb-server.service is not running.
csmith@midtown:~$ lxc exec t-j -- cloud-init --version
/usr/bin/cloud-init 24.1.3-0ubuntu1~22.04.1