Couldn't write '1' to 'vm/unprivileged_userfaultfd', ignoring: No such file or directory

Issue

• When updating systemd packages, got errors:

# yum update systemd -y
Updating Subscription Management repositories.
Last metadata expiration check: 0:39:27 ago on Thu 10 Apr 2025 02:44:59 PM CST.
Dependencies resolved.
...
Couldn't write '1' to 'vm/unprivileged_userfaultfd', ignoring: No such file or directory
...
Installed products updated.

Upgraded:
  systemd-239-82.el8_10.4.x86_64 systemd-container-239-82.el8_10.4.x86_64 systemd-libs-239-82.el8_10.4.x86_64 systemd-pam-239-82.el8_10.4.x86_64 systemd-udev-239-82.el8_10.4.x86_64

Complete!