Raspberry Pi - toolkit installation breaks network when using "Installation (Automated Script)"

[ChristopherWalker]

On a Raspberry Pi 5 freshly installed with PiOS (based on Debian), I followed the instructions from:
https://docs.perfsonar.net/install_debian.html

If I run:
curl -s https://downloads.perfsonar.net/install | sh -s - testpoint
and reboot, things are fine (not yet tested it works)

However if I run:
curl -s https://downloads.perfsonar.net/install | sh -s - toolkit
and reboot, then the system ends up with no network connectivity

Looking at https://downloads.perfsonar.net/install and it looks like the problem package is:

• perfsonar-toolkit-sysctl

which removes network-manager when installed (See below).

There is a note on the page: - but I didn't read into this that network-manager would be removed!!!`

Note Installing a graphical/desktop environment with perfSONAR is not supported. These environments generally come with a
Network Manager that conflicts with the way that perfSONAR is tuning the network interface parameters. We recommend doing only server grade OS installs.

Is it worth suggesting an alternative (eg ifupdown) - or considering whether network-manager could/should be supported (isn't it the default in redhat these days).

Here's it removing network-manager

root@raspberrypi:~# apt-get install perfsonar-toolkit-sysctl
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages were automatically installed and are no longer required:
  dns-root-data dnsmasq-base libmbim-glib4 libmbim-proxy libmbim-utils libmm-glib0 libndp0 libpcap0.8 libqmi-glib5 libqmi-proxy libqmi-utils
  libqrtr-glib0 libteamdctl0 libwlroots12 modemmanager ppp
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
  network-manager raspberrypi-net-mods
The following NEW packages will be installed:
  perfsonar-toolkit-sysctl
0 upgraded, 1 newly installed, 2 to remove and 0 not upgraded.
Need to get 5,656 B of archives.
After this operation, 16.1 MB disk space will be freed.
Do you want to continue? [Y/n]
Get:1 https://downloads.perfsonar.net/debian perfsonar-release/main arm64 perfsonar-toolkit-sysctl all 5.1.4-1 [5,656 B]
Fetched 5,656 B in 1s (7,241 B/s)
(Reading database ... 170306 files and directories currently installed.)
Removing raspberrypi-net-mods (1.4.3) ...
Removing network-manager (1.42.4-1+rpt1) ...
Selecting previously unselected package perfsonar-toolkit-sysctl.
(Reading database ... 170152 files and directories currently installed.)
Preparing to unpack .../perfsonar-toolkit-sysctl_5.1.4-1_all.deb ...
Unpacking perfsonar-toolkit-sysctl (5.1.4-1) ...
Setting up perfsonar-toolkit-sysctl (5.1.4-1) ...
Running: configure_sysctl new
Processing triggers for man-db (2.11.2-2) ...
Processing triggers for dbus (1.14.10-1~deb12u1) ...

[mfeit-internet2]

I'd suggest installing on plain Debian or Ubuntu rather than Pi OS. They're well-tested.