fix(logging): Add a static ProxLB prefix to the log output when used by journal handler

Fixes: #329

.changelogs/1.1.8/318_fix_conntrack_aware_migrations_api_pve8.yml

@@ -1,2 +1,2 @@
 fixed:
-  - Fix API errors when using conntrack aware migration with older PVE versions. (@gyptazy). [#318]
+  - Fix API errors when using conntrack aware migration with older PVE versions (@gyptazy). [#318]

.changelogs/1.1.8/329_add_log_prefix.yml

@@ -0,0 +1,2 @@
+fixed:
+  - Add a static ProxLB prefix to the log output when used by journal handler (@gyptazy). [#329]

proxlb/utils/logger.py

@@ -88,7 +88,7 @@ class SystemdLogger:
         # logging is preferred.
         if SYSTEMD_PRESENT:
             # Add a JournalHandler for systemd integration
-            handler = JournalHandler()
+            handler = JournalHandler(SYSLOG_IDENTIFIER="ProxLB")
         else:
             # Add a stdout handler as a fallback
             handler = logging.StreamHandler(sys.stdout)