Code review comment for ~schopin/netplan/+git/ubuntu:focal-sru

LGTM! And passes autopkgtest on focal/amd64:
https://autopkgtest.ubuntu.com/results/autopkgtest-focal-slyon-testing/focal/amd64/n/netplan.io/20211007_095503_a1d69@/log.gz

Just to be pedantic, I've removed the final dot "." at the end of the "Fix unset of a devtype subtree" line in d/changelog, to make it comply with lintian's 80 col limit (https://lintian.debian.org/tags/debian-changelog-line-too-long).

$ gbp tag
gbp:info: Tagging Debian package 0.103-0ubuntu5~20.04.2 as ubuntu/0.103-0ubuntu5_20.04.2 in git

$ dput ubuntu ../netplan.io_0.103-0ubuntu5~20.04.2_source.changes
D: Setting host argument.
Checking signature on .changes
gpg: ../netplan.io_0.103-0ubuntu5~20.04.2_source.changes: Valid signature from 5889C17AB1C8D890
Checking signature on .dsc
gpg: ../netplan.io_0.103-0ubuntu5~20.04.2.dsc: Valid signature from 5889C17AB1C8D890
Uploading to ubuntu (via sftp to upload.ubuntu.com):
  Uploading netplan.io_0.103-0ubuntu5~20.04.2.dsc: done.
  Uploading netplan.io_0.103-0ubuntu5~20.04.2.debian.tar.xz: done.
  Uploading netplan.io_0.103-0ubuntu5~20.04.2_source.buildinfo: done.
  Uploading netplan.io_0.103-0ubuntu5~20.04.2_source.changes: done.
Successfully uploaded packages.