I reproduce on Ubuntu 22.04.1 LTS, I can workaround the problem this way:
modprobe blocklayoutdriver && systemctl restart nfs-blkmap.service
Here is the NFS package version:
nfs-kernel-server 1:2.6.1-1ubuntu1
Edit: in fact not this doesn't workaround the problem.
I reproduce on Ubuntu 22.04.1 LTS, I can workaround the problem this way:
modprobe blocklayoutdriver && systemctl restart nfs-blkmap.service
Here is the NFS package version:
nfs-kernel-server 1:2.6.1-1ubuntu1
Edit: in fact not this doesn't workaround the problem.