In emergency mode, buxton2.service runs without buxton2.socket.
This patch prevents buxton2.service from running when buxton2.socket is not running.
In emergency mode, systemd does not start units with an implicit 'Requires=sysinit.target' dependency.
Because buxton2.socket does not have a 'DefaultDependency=no', it implicitly has 'Requires=sysinit.target'.
(Refer: https://www.freedesktop.org/software/systemd/man/systemd.socket.html)
Change-Id: I5ed9765b404012a4bb6036e7779f9c66d5ac5571
[Unit]
Description=Buxton2 Configuration Service
DefaultDependencies=no
+Requires=buxton2.socket
After=systemd-tmpfiles-setup.service cynara.socket dbus.socket
[Service]