Description of problem:

Checking the ouput of "mdadm -V" and "mdadm --version"

Version-Release number of selected component (if applicable):
mdadm-4.2-8.el8.x86_64

How reproducible:

Steps to Reproduce:
1. mdadm -V > mdadm_V.txt
2. mdadm --version > mdadm_version.txt
3. cat mdadm_V.txt
4. cat mdadm_version.txt

Actual results:
Version number print to screen.
Nothing in the mdadm_V.txt and the mdadm_version.txt files.

Expected results:
mdadm version in these txt files.

Additional info:
If I use :
mdadm -V 2> mdadm_V.txt
mdadm --version 2> mdadm_version.txt
I could got the version in these txt files.