Ubuntu 22.04, first batch and misc

apparmor.d/groups/systemd/systemd-timesyncd

@@ -12,12 +12,13 @@ profile systemd-timesyncd @{exec_path} flags=(attach_disconnected) {
   include <abstractions/base>
   include <abstractions/nameservice-strict>
   include <abstractions/systemd-common>
-  include <abstractions/dbus-strict>
 
   capability sys_time,
 
   network inet dgram,
   network inet6 dgram,
+  network inet stream,
+  network inet6 stream,
 
   @{exec_path} mr,
 
@@ -33,5 +34,19 @@ profile systemd-timesyncd @{exec_path} flags=(attach_disconnected) {
         @{run}/systemd/netif/state r,
         @{run}/systemd/notify rw,
 
+  # dbus-stricter
+  @{run}/dbus/system_bus_socket rw,
+
+  dbus send
+       bus=system
+       path=/org/freedesktop/DBus
+       interface=org.freedesktop.DBus
+       member={Hello,RequestName}
+       peer=(name=org.freedesktop.DBus),
+
+  dbus bind
+       bus=system
+       name=org.freedesktop.timesync1,
+
   include if exists <local/systemd-timesyncd>
 }