Comment 1 for bug 1929075

Reviewed: https://review.opendev.org/c/openstack/os-brick/+/789289
Committed: https://opendev.org/openstack/os-brick/commit/f2bc082b079cd5c7534c959c0fc339c9832e081b
Submitter: "Zuul (22348)"
Branch: master

commit f2bc082b079cd5c7534c959c0fc339c9832e081b
Author: Rajat Dhasmana <email address hidden>
Date: Mon May 3 10:07:54 2021 -0400

    Don't log error trace when nvme is not used

    When nvme is not configured, the connector still logs error
    traceback and creates /etc/nvme directory.
    This patch checks if nvme is configured and avoids the case
    if nvme is not used.

    Closes-Bug: #1929074
    Closes-Bug: #1929075
    Change-Id: I2473f50671b9c3f1840efd0d12d2a2572a21d850