1. Error reporting:

Use the journalctl – xefu kubelet command to view the kubelet log. The following errors are found:

cannot find network namespace for the terminated container

2. Solution:

# docker system prune

# systemctl restart kubelet

Instructions for using docker system:

# docker system -h

Flag shorthand -h has been deprecated, please use –help

Usage: docker system COMMAND

Manage Docker

Commands:

df             Show docker disk usage

Check the usage of docker space.

events     Get real time events from the server

View live events.

info         Display system-wide information

View system information.

prune     Remove unused data

Docker cleans the stopped container, and there is no network, image and cache used by the container.