It failed on maybe half of PRs recently, e.g. https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic-upstream-systemd-ci-systemd-ci/bionic/amd64/s/systemd-upstream/20190410_134709_9d4d9@/log.gz
It failed on maybe half of PRs recently, e.g.
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic-upstream-systemd-ci-systemd-ci/bionic/amd64/s/systemd-upstream/20190410_134709_9d4d9@/log.gz