"Failed to get D-Bus connection: Operation not permitted" occurs while building a container image.

Issue

• "Failed to get D-Bus connection: Operation not permitted" occurs while building a container image.
• The error is printed while updating packages with yum command:

# cat Dockerfile.test
FROM registry.access.redhat.com/ubi7/ubi:7.8-345
RUN yum -y update

# podman build -f Dockerfile.test -t buildtest:test
STEP 1: FROM registry.access.redhat.com/ubi7/ubi:7.8-345
Getting image source signatures
Copying blob bb0da44cdbce done
Copying blob a03401a44180 done
Copying config be486c8f38 done
Writing manifest to image destination
Storing signatures
STEP 2: RUN yum -y update
...
  Updating   : systemd-219-78.el7.x86_64                                 35/104
Failed to get D-Bus connection: Operation not permitted                  <==========
  Updating   : elfutils-default-yama-scope-0.176-5.el7.noarch            36/104
...
Complete!
STEP 3: COMMIT buildtest:test

• Can the error be ignored?
• Why is the error printed?