[root@summary-bream temp]# docker build -t xc3sprog .
Sending build context to Docker daemon 24.72 MB
Step 1/4 : FROM ubuntu:20.04
 ---> adafef2e596e
Step 2/4 : RUN apt-get update && apt-get install -y xc3sprog
error creating overlay mount to /var/lib/docker/overlay2/6dc663ac128d2224664f688cab632d998f6da302bb1315fc43ed2635f647ed6c-init/merged: operation not permitted