Comment 3 for bug 1953584

Tested on L14 Gen3, I could install the meta package successfully.

u@u-ThinkPad-L14-Gen-3:~$ apt-cache policy oem-sutton.newell-abdiel-meta
oem-sutton.newell-abdiel-meta:
  Installed: (none)
  Candidate: 20.04~ubuntu1
  Version table:
     20.04~ubuntu1 500
        500 http://cn.archive.ubuntu.com/ubuntu focal-proposed/main amd64 Packages
        500 http://cn.archive.ubuntu.com/ubuntu focal-proposed/main i386 Packages

u@u-ThinkPad-L14-Gen-3:~$ sudo apt update
Get:1 http://lenovo.archive.canonical.com focal InRelease [515 kB]
Hit:2 http://cn.archive.ubuntu.com/ubuntu focal InRelease
Hit:3 http://oem.archive.canonical.com focal InRelease
Hit:4 http://security.ubuntu.com/ubuntu focal-security InRelease
Hit:5 http://cn.archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:6 http://cn.archive.ubuntu.com/ubuntu focal-backports InRelease
Hit:7 http://cn.archive.ubuntu.com/ubuntu focal-proposed InRelease
Get:8 http://lenovo.archive.canonical.com focal/sutton i386 Packages [1,068 B]
Get:9 http://lenovo.archive.canonical.com focal/sutton amd64 Packages [1,068 B]
Get:10 http://lenovo.archive.canonical.com focal/sutton.newell i386 Packages [12.4 kB]
Get:11 http://lenovo.archive.canonical.com focal/sutton.newell amd64 Packages [12.4 kB]
Fetched 542 kB in 3s (190 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
134 packages can be upgraded. Run 'apt list --upgradable' to see them.
u@u-ThinkPad-L14-Gen-3:~$ apt-cache policy oem-sutton.newell-abdiel-meta
oem-sutton.newell-abdiel-meta:
  Installed: 20.04~ubuntu1
  Candidate: 20.04ubuntu1
  Version table:
     20.04ubuntu1 500
        500 http://lenovo.archive.canonical.com focal/sutton.newell amd64 Packages
        500 http://lenovo.archive.canonical.com focal/sutton.newell i386 Packages
 *** 20.04~ubuntu1 500
        500 http://cn.archive.ubuntu.com/ubuntu focal-proposed/main amd64 Packages
        500 http://cn.archive.ubuntu.com/ubuntu focal-proposed/main i386 Packages
        100 /var/lib/dpkg/status

u@u-ThinkPad-L14-Gen-3:~$ sudo apt install oem-sutton.newell-abdiel-meta
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
  oem-sutton.newell-abdiel-meta
1 upgraded, 0 newly installed, 0 to remove and 133 not upgraded.
Need to get 2,480 B of archives.
After this operation, 4,096 B of additional disk space will be used.
Get:1 http://lenovo.archive.canonical.com focal/sutton.newell amd64 oem-sutton.newell-abdiel-meta all 20.04ubuntu1 [2,480 B]
Fetched 2,480 B in 1s (3,898 B/s)