Comment 10 for bug 1928259

Focal verification

TEST A

Reproducing the bug with the focal package:
ubuntu@f-gssd-restart-1928259-1927745-A:~$ apt-cache policy nfs-common
nfs-common:
  Installed: 1:1.3.4-2.5ubuntu3.3
  Candidate: 1:1.3.4-2.5ubuntu3.3
  Version table:
 *** 1:1.3.4-2.5ubuntu3.3 500
        500 http://br.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
        500 http://br.archive.ubuntu.com/ubuntu focal-security/main amd64 Packages
        100 /var/lib/dpkg/status
     1:1.3.4-2.5ubuntu3 500
        500 http://br.archive.ubuntu.com/ubuntu focal/main amd64 Packages

rpc.gssd running:
ubuntu@f-gssd-restart-1928259-1927745-A:~$ pidof rpc.gssd
2968

Reinstall:
ubuntu@f-gssd-restart-1928259-1927745-A:~$ sudo apt install --reinstall nfs-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 48 not upgraded.
Need to get 204 kB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://br.archive.ubuntu.com/ubuntu focal-updates/main amd64 nfs-common amd64 1:1.3.4-2.5ubuntu3.3 [204 kB]
Fetched 204 kB in 0s (10.1 MB/s)
(Reading database ... 63643 files and directories currently installed.)
Preparing to unpack .../nfs-common_1%3a1.3.4-2.5ubuntu3.3_amd64.deb ...
Unpacking nfs-common (1:1.3.4-2.5ubuntu3.3) over (1:1.3.4-2.5ubuntu3.3) ...
Setting up nfs-common (1:1.3.4-2.5ubuntu3.3) ...
nfs-utils.service is a disabled or a static unit not running, not starting it.
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for systemd (245.4-4ubuntu3.6) ...

Same PID as before, so it wasn't restarted:
ubuntu@f-gssd-restart-1928259-1927745-A:~$ pidof rpc.gssd
2968

Installing the package from proposed restarted rpc.gssd:
ubuntu@f-gssd-restart-1928259-1927745-A:~$ sudo apt install nfs-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
  watchdog
The following packages will be upgraded:
  nfs-common
1 upgraded, 0 newly installed, 0 to remove and 67 not upgraded.
Need to get 204 kB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://br.archive.ubuntu.com/ubuntu focal-proposed/main amd64 nfs-common amd64 1:1.3.4-2.5ubuntu3.4 [204 kB]
Fetched 204 kB in 0s (1411 kB/s)
(Reading database ... 63643 files and directories currently installed.)
Preparing to unpack .../nfs-common_1%3a1.3.4-2.5ubuntu3.4_amd64.deb ...
Unpacking nfs-common (1:1.3.4-2.5ubuntu3.4) over (1:1.3.4-2.5ubuntu3.3) ...
Setting up nfs-common (1:1.3.4-2.5ubuntu3.4) ...
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for systemd (245.4-4ubuntu3.6) ...

New PID:
ubuntu@f-gssd-restart-1928259-1927745-A:~$ pidof rpc.gssd
4131

TEST B
ubuntu@f-gssd-restart-1928259-1927745-B:~$ diff -u pstree.old pstree.new
ubuntu@f-gssd-restart-1928259-1927745-B:~$ l pstree.*
-rw-rw-r-- 1 ubuntu ubuntu 678 Jun 11 20:34 pstree.new
-rw-rw-r-- 1 ubuntu ubuntu 678 Jun 11 20:33 pstree.old

ubuntu@f-gssd-restart-1928259-1927745-B:~$ apt-cache policy nfs-common
nfs-common:
  Installed: 1:1.3.4-2.5ubuntu3.4
  Candidate: 1:1.3.4-2.5ubuntu3.4
  Version table:
 *** 1:1.3.4-2.5ubuntu3.4 500
        500 http://br.archive.ubuntu.com/ubuntu focal-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     1:1.3.4-2.5ubuntu3.3 500
        500 http://br.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
        500 http://br.archive.ubuntu.com/ubuntu focal-security/main amd64 Packages
     1:1.3.4-2.5ubuntu3 500
        500 http://br.archive.ubuntu.com/ubuntu focal/main amd64 Packages

Focal verification succeeded.