static void maybe_warn_about_dependency(Unit *u, const char *other, UnitDependency dependency) {
        assert(u);

        /* Only warn about some unit types */
        if (!IN_SET(dependency, UNIT_CONFLICTS, UNIT_CONFLICTED_BY, UNIT_BEFORE, UNIT_AFTER, UNIT_ON_FAILURE, UNIT_TRIGGERS, UNIT_TRIGGERED_BY))
                return;

        if (streq_ptr(u->id, other))
                log_unit_warning(u, "Dependency %s=%s dropped", unit_dependency_to_string(dependency), u->id);
        else
                log_unit_warning(u, "Dependency %s=%s dropped, merged into %s", unit_dependency_to_string(dependency), strna(other), u->id);
}
Unknown