add some privacy

roles/base/files/etc/systemd/journald.conf.d/retention.conf

+[Journal]
+MaxRetentionSec=6h

roles/base/files/etc/systemd/journald.conf.d/size.conf

 [Journal]
 SystemMaxUse=500M
-SystemMaxFileSize=50M

roles/base/tasks/main.yml

@@ -105,3 +105,4 @@
   tags: [bird]
 
 - include: units.yml
+  tags: [base]

roles/base/tasks/units.yml

@@ -3,10 +3,10 @@
 
 - command: systemctl daemon-reload
 
-- name: stop bird
-  systemd:
-    state: stopped
-    name: bird.service
+# - name: stop bird
+#   systemd:
+#     state: stopped
+#     name: bird.service
 
 - name: restart services
   systemd:
@@ -24,3 +24,5 @@
     - systemd-networkd.service
     - update-ffhl-dns.timer
     - update-ffhl-mesh-vpn.timer
+    - systemd-journald
+    - fastd

roles/base/templates/dhcpd.conf.j2

 authoritative;
 default-lease-time 600;
 max-lease-time 600;
+log-facility syslog;
 
 subnet {{ dhcpd_subnet }} netmask {{ dhcpd_netmask }} {
     range {{ dhcpd_start }} {{ dhcpd_end }};