This test is sometimes flaky under sanitizers, and it does repeated
calls with the same parameters to run through different greps, and
the second one sometimes fails.
Store the result and grep it twice instead to try and reduce
flakiness.
```
[ 2089.891152] TEST-04-JOURNAL.sh[22392]: + systemd-run --unit=test-journalctl-varlink-2-18237.service --wait bash -c 'echo hello-from-varlink-test-2'
[ 2090.066050] TEST-04-JOURNAL.sh[22460]: + varlinkctl call --more /run/systemd/io.systemd.JournalAccess io.systemd.JournalAccess.GetEntries '{"units": ["test-journalctl-varlink-1-22690.service"]}'
[ 2090.067075] TEST-04-JOURNAL.sh[22461]: + grep -q hello-from-varlink-test-1
[ 2090.384551] TEST-04-JOURNAL.sh[22466]: + varlinkctl call --more /run/systemd/io.systemd.JournalAccess io.systemd.JournalAccess.GetEntries '{"units": ["test-journalctl-varlink-1-22690.service"]}'
[ 2090.385373] TEST-04-JOURNAL.sh[22467]: + grep hello-from-varlink-test-2
[ 2090.723461] TEST-04-JOURNAL.sh[22474]: + grep -q hello-from-varlink-test-1
[ 2090.724294] TEST-04-JOURNAL.sh[22473]: + varlinkctl call --more /run/systemd/io.systemd.JournalAccess io.systemd.JournalAccess.GetEntries '{"units": ["test-journalctl-varlink-1-22690.service", "test-journalctl-varlink-2-18237.service"]}'
[ 2091.135655] TEST-04-JOURNAL.sh[22480]: + varlinkctl call --more /run/systemd/io.systemd.JournalAccess io.systemd.JournalAccess.GetEntries '{"units": ["test-journalctl-varlink-1-22690.service", "test-journalctl-varlink-2-18237.service"]}'
[ 2091.136605] TEST-04-JOURNAL.sh[22481]: + grep -q hello-from-varlink-test-2
[ 2091.479930] TEST-04-JOURNAL.sh[22480]: Method call failed: io.systemd.JournalAccess.NoEntries
```
System and Service Manager
Details
Most documentation is available on systemd's web site.
Assorted, older, general information about systemd can be found in the systemd Wiki.
Information about build requirements is provided in the README file.
Consult our NEWS file for information about what's new in the most recent systemd versions.
Please see the Code Map for information about this repository's layout and content.
Please see the Hacking guide for information on how to hack on systemd and test your modifications.
Please see our Contribution Guidelines for more information about filing GitHub Issues and posting GitHub Pull Requests.
When preparing patches for systemd, please follow our Coding Style Guidelines.
If you are looking for support, please contact our mailing list, join our IRC channel #systemd on libera.chat or Matrix channel
Stable branches with backported patches are available in the stable repo.
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