the sha256sum is perfect like mentioned here
http://releases.ubuntu.com/bionic/SHA256SUMS
further I checked the consistency of casper/filesystem.shashfs at the
nfs server and at the /cdrom mount on the PXE booted testclient.
root@server-VirtualBox:/var/lib/nfs/ubuntu1804/desktop/casper$ md5sum
Public bug reported:
Tried to install Ubuntu
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.5 LTS"
trough PXE boot and NFS:
label install2
menu label ^Install XUbuntu 18.04 Desktop NFS
menue default
kernel ubuntu1804/vmlinuz
append
