The only thing I see in the logs was from around 1pm yesterday and I think thats when I was sending the heyu commands trying to get its status:
03/23 13:13:59 sndc addr unit 5 : hu O5 (security_light)
03/23 13:13:59 sndc func StatusReq : hc O
03/23 13:14:02 rcvi func StatusOff : hc O
03/23 13:14:02 rcvi func StatusOff : hc O
03/23 13:15:00 sndc addr unit 5 : hu O5 (security_light)
03/23 13:15:00 sndc func StatusOn : hc O
03/23 13:16:16 sndc func Hail : hc O
03/23 13:34:58 sndc addr unit 5 : hu O5 (security_light)
03/23 13:34:59 sndc func StatusOff : hc O
It would not have lit up at 1pm so I know this is probably from me sending commands. I don't see any other status type commands in the logs, so I'll have to check the date code when I get home.
EDIT:
Ok so using the house and unit code returns something on the command line, but using the alias does not. However both create log entries
DiskStation> heyu status o5
03/24 14:02:03 rcvi func StatusOff : hc O
03/24 14:02:03 rcvi func StatusOff : hc O
DiskStation> heyu status security_light
DiskStation>
DiskStation> heyu logtail
03/24 14:02:02 sndc addr unit 5 : hu O5 (security_light)
03/24 14:02:02 sndc func StatusReq : hc O
03/24 14:02:03 rcvi func StatusOff : hc O
03/24 14:02:03 rcvi func StatusOff : hc O
03/24 14:02:17 sndc addr unit 5 : hu O5 (security_light)
03/24 14:02:18 sndc func StatusReq : hc O
03/24 14:02:21 rcvi func StatusOff : hc O
03/24 14:02:21 rcvi func StatusOff : hc O