edit the tunnel config (ex, sudo nano /etc/systemd/system/cloudflared.service ) ex from: ExecStart

edit the tunnel config (ex, sudo nano /etc/systemd/system/cloudflared.service )

ex from:
ExecStart=/usr/bin/cloudflared --no-autoupdate tunnel run --token
to:
ExecStart=/usr/bin/cloudflared --no-autoupdate --edge-ip-version 6 tunnel run --token
Then a quick daemon reload and restart of the service sudo systemctl daemon-reload && sudo systemctl restart cloudflared