Avoid stderr message about irrelevant broken links
Changes for NetBackup (NBU) 9.x support

Restore usr/share/rear/output/PXE/default/820_copy_to_net.sh
19 with rsync refactor.

Apply PR2795 to detect changes in system files between backup
Backport upstream PRs 2827 and 2839 to pass -y to lvcreate instead of one "y"
Apply PR2811 to add the PRE/POST_RECOVERY_COMMANDS directives
Recommend dosfstools on x86 and aarch64, needed for EFI System Partition

Apply PR2675 to fix leftover temp dir bug (introduced in backported PR2625)
Apply PR2603 to ignore unused PV devices
Apply upstream PR2750 to avoid exclusion of wanted multipath devices
Remove unneeded xorriso dep on s390x (no ISO image support there)
Apply upstream PR2736 to add the EXCLUDE_{IP_ADDRESSES,NETWORK_INTERFACES}

Add patch for better handling of thin pools and other LV types not supported

Fix multipath performance regression in 2.6, introduced by upstream PR #2299.

Rebase to upstream release 2.6 and drop unneded patches.
Add missing dependencies on dhcp-client (see #1926451), file
Patch documents to be compatible with asciidoc,
On POWER add bootlist & ofpathname to the list of required programs
upstream PR2665, add them to package

Backport PR2608:
Backport PR2625
Fix rsync error and option handling

Fix typo in default.conf
Modify the cron command to avoid an e-mail with error message after
Backport upstream code related to LUKS2 support
Changes for NetBackup (NBU) support, upstream PR2544

Update the Rubrik patch to include complete PR2445

Apply upstream PR2373: Skip Longhorn Engine replica devices

Apply upstream PR2346: Have '-iso-level 3' option also for ppc64le

Backport remaining Rubrik related patches.

Backport upstream PR #2249 to add support for Rubrik backup method.

Backport upstream PR #2293 to use grub-mkstandalone instead of
mkimage for UEFI (ISO image and GRUB_RESCUE image generation).

Apply upstream PR2122: add additional NBU library path to fix support for
Apply upstream PR2021: Be safe against empty docker_root_dir (issue 1989)
Apply upstream PR2223 and commit 36cf20e to avoid an empty string in the
Backport of Upstream fix for issue 2035: /run is not mounted in the rescue
Backport upstream PR 2218: avoid keeping build dir on errors
Apply upstream PR2173 - Cannot restore using Bacula method
Backport fix for upstream issue 2187 (disklayout.conf file contains