We're on Everest 16.6.2 (Cat9300-24T-A) and we're seeing this same issue
Cisco IOS XE Software, Version 16.06.02
Cisco IOS Software [Everest], Catalyst L3 Switch Software (CAT9K_IOSXE), Version 16.6.2, RELEASE SOFTWARE (fc2)
show platform hardware fed switch active fwd-asic drops exceptions | inc IGR_MISC_FATAL_ERROR
0 0 IGR_MISC_FATAL_ERROR 0 0 0
0 1 IGR_MISC_FATAL_ERROR 6949456 6952497 3041
16.6.2 is listed as a known fixed release. I'm not convinced :-)
