Comment 5 for bug 1950268

Focal - libpgperl @ armhf
  that was really flaky, two reruns both worked fine
  https://autopkgtest.ubuntu.com/results/autopkgtest-focal-ci-train-ppa-service-4706/focal/armhf/libp/libpg-perl/20211110_091213_212e1@/log.gz

Bionic
After eliminating the badtests and never working tests three are left to look at
libreoffice @ armhf
dovecot @ armhf
asterisk @ armhf
plv8 @ ppc64el
 => https://autopkgtest.ubuntu.com/results/autopkgtest-bionic-ci-train-ppa-service-4705/bionic/ppc64el/p/plv8/20211110_100157_2e92e@/log.gz

The two upper armhf cases are known to be flaky.
Asterisk was a transient apt issue.
plv8 might be interesting

I'll restart them and compare.