Not a leader. Check back later

Expected behavior

My swarm doesn’t log this message “Not a leader. Check back later” 30x / minute.

Actual behavior

My swarm logs this message “Not a leader. Check back later” 30x / minute.

Additional Information

I deployed a new Docker4AWS swarm yesterday with 3 manager nodes, 0 worker nodes. Today, its logging this message. A lot. And I can’t figure out which manager it is, or what to do about it.

As far as I can tell one manager believes its the leader. No idea how to proceed. Any ideas?