Problem: One of the docker nodes does not start up after restart. Error in the log is
msg="error removing task " error="incompatible value"

Reason: Docker swarm and network stack sucks.
Fix:
sudo service docker stop
rm -rf /var/lib/docker/swarm
sudo service docker start
docker swarm init

Sreekumar (KJ) has been a hobby programmer from school days. Codemarvels is his personal blog from the year 2010, where he writes about technology, philosophy, society and a bit about physics.
He now runs a conversational AI company – DheeYantra – focusing his efforts to help businesses improve operational efficiency using digital employees powered by AI.