### E4 TRANSACTION UNDO  2026-09-20T01:47:17+00:00
--- state before undo:
packages=393  kernel_running=5.14.0-687.48.1.el9_8.x86_64
rpm_qa_hash=e76f386b83c30793
data_file=application state written after the upgr
--- dnf history undo 2:
Last metadata expiration check: 0:04:08 ago on Sun 20 Sep 2026 01:43:09 AM UTC.
Error: 
 Problem: The operation would result in removing the following protected packages: kernel-core
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
Command exited with non-zero status 1

undo_wall_seconds=0.45
--- state after undo:
packages=393
rpm_qa_hash=e76f386b83c30793
kernels=kernel-5.14.0-687.36.1.el9_8.x86_64 kernel-5.14.0-687.48.1.el9_8.x86_64 
running_kernel=5.14.0-687.48.1.el9_8.x86_64
data_file_still_present=yes
failed_units=0
needs_restarting:
No core libraries or services have been updated since boot-up.
Reboot should not be necessary.
exit=0
