man: note that journal does not validate syslog fields
(cherry picked from commit 63ea8032f28052f7cda860e5324c0a83dee7ed23)
Resolves: #1707175
patch_name: 0210-man-note-that-journal-does-not-validate-syslog-field.patch
present_in_specfile: true
location_in_specfile: 210
squash_commits: true