No handler/ No Staged handler on F5

Hello All,

We observe vast difference in the statistics on active and standby devices with respect to "No Handler" parameter.

Any idea what would this indicate and how to reset these statistics ?

(Standby) Errors Maintenance Mode 0 Virtual Addr Limit 0 Virtual Server Limit 0 Wrong Address 0 No handler 12.7G No Staged Handler 12.7G No license 0 Connection Memory 0 Packets Dropped 17.0K Packets In Errors 0 Packets Out Errors 0

(Active) Errors Maintenance Mode 0 Virtual Addr Limit 0 Virtual Server Limit 0 Wrong Address 0 No handler 17.0K No Staged Handler 939.0K No license 0 Connection Memory 0 Packets Dropped 371.3K Packets In Errors 0 Packets Out Errors 0

The above is output of below command :