$ systemctl status dropbox@enrico.service
● dropbox@enrico.service - Dropbox
   Loaded: loaded (/usr/lib/systemd/system/dropbox@.service; enabled; vendor preset: disabled)
  Drop-In: /etc/systemd/system/dropbox@enrico.service.d
           └─override.conf
   Active: active (running) since Wed 2018-06-13 17:07:04 CEST; 6min ago
 Main PID: 1006 (dropbox)
    Tasks: 84 (limit: 19660)
   Memory: 148.0M
   CGroup: /system.slice/system-dropbox.slice/dropbox@enrico.service
           ├─1006 /usr/bin/dropbox
           ├─1052 dbus-launch --autolaunch 9f3c6fabb4aa40d1b7d5b3a3881af003 --binary-syntax --close-stderr
           ├─1053 /usr/bin/dbus-daemon --syslog-only --fork --print-pid 5 --print-address 7 --session
           └─1057 /usr/bin/dunst

Jun 13 17:07:05 greywarden dropbox[1006]: dropbox: load fq extension '/opt/dropbox/PyQt5.QtWebKitWidgets.so'
Jun 13 17:07:05 greywarden dropbox[1006]: dropbox: load fq extension '/opt/dropbox/PyQt5.QtWidgets.so'
Jun 13 17:07:05 greywarden dropbox[1006]: dropbox: load fq extension '/opt/dropbox/PyQt5.QtPrintSupport.so'
Jun 13 17:07:05 greywarden dropbox[1006]: dropbox: load fq extension '/opt/dropbox/PyQt5.QtDBus.so'
Jun 13 17:07:05 greywarden dbus-daemon[1053]: [session uid=1000 pid=1051] Activating service name='org.freedesktop.Notifications' requested by ':1.0' (uid=1000 pid=1006 comm="/usr/bin/dropbox ")
Jun 13 17:07:05 greywarden org.freedesktop.Notifications[1053]: Warning: 'allow_markup' is deprecated, please use 'markup' instead.
Jun 13 17:07:05 greywarden org.freedesktop.Notifications[1053]: Warning: The frame section is deprecated, width has been renamed to frame_width and moved to the global section.
Jun 13 17:07:05 greywarden org.freedesktop.Notifications[1053]: Warning: The frame section is deprecated, color has been renamed to frame_color and moved to the global section.
Jun 13 17:07:05 greywarden org.freedesktop.Notifications[1053]: Warning: Unknown keyboard shortcut: mod4+grave
Jun 13 17:07:05 greywarden dbus-daemon[1053]: [session uid=1000 pid=1051] Successfully activated service 'org.freedesktop.Notifications'

$ systemctl status dropbox@enrico.service
● dropbox@enrico.service - Dropbox
   Loaded: loaded (/usr/lib/systemd/system/dropbox@.service; enabled; vendor preset: disabled)
  Drop-In: /etc/systemd/system/dropbox@enrico.service.d
           └─override.conf
   Active: failed (Result: exit-code) since Wed 2018-06-13 17:15:03 CEST; 39s ago
  Process: 1031 ExecStart=/usr/bin/dropbox (code=exited, status=250)
 Main PID: 1031 (code=exited, status=250)