Rebase along stable branch to 1.26.5
Add nbdkit-vddk-plugin -D vddk.stats=1 flag
Add nbdkit-cow-filter cow-block-size parameter
Fix CVE-2021-3716 nbdkit: NBD_OPT_STRUCTURED_REPLY injection on STARTTLS
Update keyring

Remove bogus kernel hints in allocator=malloc

Fix assertion failure during server shutdown
Fix delay-close option
tests/test-debug-flags.sh: Don't use port 10809 during test

Rebuilt for IMA sigs, glibc 2.34, aarch64 flags

New upstream stable version 1.26.3.
Add Python .cleanup() method.
Fix data corruption in zero and trim on unaligned tail.

More efficient cache and cow filters.
Add nbdkit-cow-filter cow-on-read option.
Add nbdkit-cache-filter cache-on-read=/PATH.
Add nbdkit-cache-filter cache-min-block-size option.
Add nbdkit-delay-filter delay-open and delay-close options.
Reduce verbosity of debugging from virt-v2v.
Miscellaneous bugfixes

New upstream stable version 1.26.2.

Bump and rebuild

New upstream stable version 1.26.1.

New upstream version 1.26.0.

Rebuilt for Python 3.10

New upstream version 1.25.9.

Perl 5.34 re-rebuild of updated packages

New upstream version 1.25.8.

Perl 5.34 re-rebuild updated packages

Rebuild for new libtorrent