Service and Socket unit has an implicit dependencies.
Refre: https://www.freedesktop.org/software/systemd/man/systemd.socket.html
"Socket units automatically gain a Before= dependency on the service units they activate."
Change-Id: Iff0a474a603f054301a196552c9dac7e06531972
[Unit]
Description=Buxton2 Configuration Service
DefaultDependencies=no
-After=systemd-tmpfiles-setup.service buxton2.socket cynara.socket dbus.socket
+After=systemd-tmpfiles-setup.service cynara.socket dbus.socket
[Service]
SmackProcessLabel=System