I believe that this same question was posted in another forum and that Harold Ritter responded that this is a normal output of running debug on HSRP.
One of the issues with cross posting the same question in multiple forums is that you can get an answer in one forum that the other forum is not aware of. It is better to post questions in a single forum (use a second forum only if a question has been in one forum for a while without being resolved)
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...