This object specifies LSI bits 0-2.
A combination of lsibit2, lsibit1, and lsibit0 indicates
stuff event:
-- 000 This is one out of the 2 ICP cells
-- 001 Stuff event at the next PCP cell location
-- 010 Stuff event in 2 ICP cell locations
-- 011 Stuff event in 3 ICP cell locations
-- 100 Stuff event in 4 ICP cell locations
-- 111 No imminent stuff event
that the Cisco specific card/platform supports.