Can't start pihole

Expected Behaviour:

After upgrading pihole on my raspberry pi, i can't get it to work anymore, the web interface doesn't start, FTL is not able to start. and i'm getting a message "No IPv4 address(es) found on the eth0 interface."

  • OS: Raspbian 9
  • HW: raspberry pi

Actual Behaviour:

pihole can't start, the web interface doesn't start, FTL failed to start.
seeing the following errors in the logs

  • Raspbian is supported but version 9 is currently unsupported
  • No IPv4 address(es) found on the eth0 interface.

This is what i get when i run "systemctl status pihole-FTL.service"

● pihole-FTL.service - LSB: pihole-FTL daemon
Loaded: loaded (/etc/init.d/pihole-FTL; generated; vendor preset: enabled)
Active: failed (Result: exit-code) since Sun 2022-10-23 22:13:06 PDT; 25s ago
Docs: man:systemd-sysv-generator(8)
Process: 5275 ExecStart=/etc/init.d/pihole-FTL start (code=exited, status=1/FA

Oct 23 22:13:06 raspberrypi systemd[1]: Starting LSB: pihole-FTL daemon...
Oct 23 22:13:06 raspberrypi pihole-FTL[5275]: Not running
Oct 23 22:13:06 raspberrypi su[5291]: Successful su for pihole by root
Oct 23 22:13:06 raspberrypi su[5291]: + ??? root:pihole
Oct 23 22:13:06 raspberrypi su[5291]: pam_unix(su:session): session opened for u
Oct 23 22:13:06 raspberrypi pihole-FTL[5275]: /usr/bin/pihole-FTL: /lib/arm-linu
Oct 23 22:13:06 raspberrypi systemd[1]: pihole-FTL.service: Control process exit
Oct 23 22:13:06 raspberrypi systemd[1]: Failed to start LSB: pihole-FTL daemon.
Oct 23 22:13:06 raspberrypi systemd[1]: pihole-FTL.service: Unit entered failed
Oct 23 22:13:06 raspberrypi systemd[1]: pihole-FTL.service: Failed with result '
lines 1-16/16 (END)

Debug Token:

https://tricorder.pi-hole.net/RK1cOap3/

The debug log shows:

[✗] Error: Raspbian is supported but version 9 is currently unsupported (https://docs.pi-hole.net/main/prerequisites/)

The problem is "Stretch" (Debian 9 / Raspbian 9) is old and doesn't have all required libraries to execute the current version of pihole-FTL.

Also on the debug log:

pihole-FTL[474]: /usr/bin/pihole-FTL: /lib/arm-linux-gnueabihf/libc.so.6: version `GLIBC_2.28' not found (required by /usr/bin/pihole-FTL)

This was announced in 2022-08-29 here:
https://pi-hole.net/blog/2022/08/29/some-upcoming-changes/

And here: Upcoming Pi-hole changes

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