These processes become active when MAC addresses are learnt and then introduced in CEF adjacency table.
You should check if you have any Layer 2 loop looking at host flapping messages on the log affecting one or more MAC addresses being learnt in two interfaces at the same time. If you messages appear try enabling the terminal monitor on the switch.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...