Here is some output from my 3802...
User Access Verification
Username: [*01/01/1970 00:00:21.0235]
[*01/01/1970 00:00:21.0236] (write)Unable to open I2C device interface (/dev/act2) for ACT2 (file = -1)
[*01/01/1970 00:00:21.0236]
[*01/01/1970 00:00:21.0236] (write)Unable to open I2C device interface (/dev/act2) for ACT2 (file = -1)
[*01/01/1970 00:00:21.0236]
[*01/01/1970 00:00:21.0236] (write)Unable to open I2C device interface (/dev/act2) for ACT2 (file = -1)
[*01/01/1970 00:00:21.0236]
[*01/01/1970 00:00:21.0236] (write)Unable to open I2C device interface (/dev/act2) for ACT2 (file = -1)
[*01/01/1970 00:00:21.0236]
[*01/01/1970 00:00:21.0236] (write)Unable to open I2C device interface (/dev/act2) for ACT2 (file = -1)
[*01/01/1970 00:00:21.0236]
[*01/01/1970 00:00:21.0236] (write)Unable to open I2C device interface (/dev/act2) for ACT2 (file = -1)
[*01/01/1970 00:00:21.0240]
[*01/01/1970 00:00:21.0240] (ACT2Boot) Hardware is NOT Cisco (c) authentic
[*01/01/1970 00:00:21.0241] System will reboot in 10 seconds ...
[*01/01/1970 00:00:31.0254] ... rebooting now!
Writing reload timestamp (Thu Jan 1 00:00:31 UTC 1970) to disk
The system is going down NOW!
Sent SIGTERM to all processes
Requesting system reboot1970 00:00:33.1034]
[01/01/1970 00:00:34.1000] reboot: Restarting system