$ systemctl status | sed '/curlftp/ { q }'
● Doraemon
    State: running
     Jobs: 0 queued
   Failed: 0 units
    Since: mar 2014-12-09 21:21:58 CET; 41min ago
   CGroup: /
           ├─1 /sbin/init
           ├─system.slice
           │ ├─avahi-daemon.service
           │ │ ├─687 avahi-daemon: running [Doraemon.local
           │ │ └─697 avahi-daemon: chroot helpe
           │ ├─console-kit-daemon.service
           │ │ └─1196 /usr/sbin/console-kit-daemon --no-daemon
           │ ├─NetworkManager-dispatcher.service
           │ │ └─2419 curlftpfs 192.168.0.1/disk_sda1 /mnt/usb -o rw,uid=1000,allow_other,user=XXX:XXX,exec,suid,dev,dev,suid
...
$ sudo systemctl status --full mnt-usb.mount
● mnt-usb.mount - /mnt/usb
   Loaded: loaded (/etc/fstab)
   Active: active (mounted) (Result: exit-code) since mar 2014-12-09 21:22:17 CET; 43min ago
    Where: /mnt/usb
     What: curlftpfs#ftp://192.168.0.1/disk_sda1/
     Docs: man:fstab(5)
           man:systemd-fstab-generator(8)
  Process: 202 ExecMount=/bin/mount -n curlftpfs#192.168.0.1/disk_sda1 /mnt/usb -t fuse -o _netdev,uid=1000,user=XXX:YYY,allow_other (code=exited, status=1/FAILURE)

$ sudo journalctl _SYSTEMD_UNIT=mnt-usb.mount -l
-- Logs begin at mar 2014-12-09 21:21:58 CET, end at mar 2014-12-09 22:06:35 CET. --
dic 09 21:21:58 Doraemon mount[202]: Error connecting to ftp: