checkabi: "incompatible format version between the two input files"

[tonyhutter]

System information

Type	Version/Name
Distribution Name	Ubuntu
Distribution Version	20.04
Kernel Version
Architecture

Describe the problem you're observing

make checkabi in buildbot is giving me this error:

abidiff: incompatible format version between the two input files:

https://github.com/openzfs/zfs/runs/4158777304?check_suite_focus=true

Digest: sha256:0bd891d3647d69500f944504cd5bdc6376bf26593aef3efc6fe5972e48c40a3d
Status: Downloaded newer image for ghcr.io/openzfs/libabigail:latest
libabiversion=`abidw -v | /usr/bin/sed 's/[^0-9]//g'`; \
if test $libabiversion -lt "180"; then \
        /bin/echo -e "\n" \
        "*** Please use libabigail 1.8.0 version or newer;\n" \
        "*** otherwise results are not consistent!\n"; \
        exit 1; \
    fi;
make -C lib checkabi
make[1]: Entering directory '/source/lib'
set -e ; for dir in libnvpair libuutil libzfs_core libzfs libzfsbootenv ; do \
	make -C $dir checkabi ; \
done
make[2]: Entering directory '/source/lib/libnvpair'
for lib in libnvpair.la ; do \
	abidiff --no-unreferenced-symbols \
	    --headers-dir1 ../../include \
	    --suppressions ${lib%.la}.suppr \
	    ${lib%.la}.abi .libs/${lib%.la}.so ; \
done
abidiff: incompatible format version between the two input files:
'libnvpair.abi'
and
'.libs/libnvpair.so'
make[2]: *** [Makefile:1116: checkabi] Error 1
make[1]: *** [Makefile:1019: checkabi] Error 2
make: *** [Makefile:1528: checkabi] Error 2
make[2]: Leaving directory '/source/lib/libnvpair'
make[1]: Leaving directory '/source/lib'

Describe how to reproduce the problem

make checkabi in Fedora 35 (which has abigail-2.0.0) will reliably hit this error.

Include any warning/errors/backtraces from the system logs

[tonyhutter]

Possible fix: #12722