✅ Have you read and understood the above guidelines?

yes

🔎 Did you run the script with verbose mode enabled?

Yes, verbose mode was enabled and the output is included below

📜 What is the name of the script you are using?

Debian

📂 What was the exact command used to execute the script?

bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/debian.sh)"

⚙️ What settings are you using?

• Default Settings
• Advanced Settings

🖥️ Which Linux distribution are you using?

Debian 13

📈 Which Proxmox version are you on?

pve-manager/9.0.18/5cacb35d7ee87217 (running kernel: 6.14.11-4-pve)

📝 Provide a clear and concise description of the issue.

When creating a new LXC container using the script IPv6 option of Disabled is not followed.

When LXC comes up it has a dynamic IPv6 address in the PVE webUI

This may be a new, Proxmox issue, upstream.

🔄 Steps to reproduce the issue.

Install Debian LXC via script Advanced options pick IPv6 None.

❌ Paste the full error output (if available).

🖼️ Additional context (optional).

____       __    _
/ __ \___  / /_  (_)___ _____
/ / / / _ \/ __ \/ / __ `/ __ \
/ /_/ /  __/ /_/ / / /_/ / / / /
/_____/\___/_.___/_/\__,_/_/ /_/

🧩  Using Advanced Settings on node rogers
🖥️  Operating System: debian
🌟  Version: 13
📦  Container Type: Unprivileged
🔐  Root Password: ********
🆔  Container ID: 500
🏠  Hostname: debian-test
💾  Disk Size: 2 GB
🧠  CPU Cores: 1
🛠️  RAM Size: 512 MiB
🌉  Bridge: vmbr0
📡  IPv4: DHCP
📡  IPv6: Disabled
📡  APT-Cacher IP Address: Default
⚙️  Interface MTU Size: Default
🔍  DNS Search Domain: Host
📡  DNS Server IP Address: Host
🏷️  Vlan: 30
📡  Tags: community-script;os
🔑  Root SSH Access: no
🗂️  Enable FUSE Support: no
🔍  Verbose Mode: yes
🚀  Creating a Debian LXC using the above advanced settings
✔️   Storage cephfs-ssd (Free: 2.6TB  Used: 440.9GB) [Template]
✔️   Storage lxcpool (Free: 2.6TB  Used: 473.9GB) [Container]
✔️   Cluster is quorate
✔️   Template debian-13-standard_13.1-2_amd64.tar.zst [local]
✔️   LXC Container 500 was successfully created.
✔️   Started LXC Container
💡   No network in LXC yet (try 1/10) – waiting...
💡   No network in LXC yet (try 2/10) – waiting...
💡   No network in LXC yet (try 3/10) – waiting...
💡   No network in LXC yet (try 4/10) – waiting...
✔️   Network in LXC is reachable (ping)
✔️   Customized LXC Container
✔️   Set up Container OS
✔️   Network Connected: 192.168.30.70
✔️   IPv4 Internet Connected
✖️   IPv6 Internet Not Connected
✔️   Git DNS: github.com:(✔️ ) raw.githubusercontent.com:(✔️ ) api.github.com:(✔️ ) git.community-scripts.org:(✔️ )
Hit:1 http://security.debian.org trixie-security InRelease
Hit:2 http://deb.debian.org/debian trixie InRelease
Hit:3 http://deb.debian.org/debian trixie-updates InRelease
Reading package lists... Done
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
base-files bind9-dnsutils bind9-host bind9-libs dhcpcd-base distro-info-data libnss-systemd libpam-systemd
libpam-wtmpdb libssl3t64 libsystemd-shared libsystemd0 libudev1 libwtmpdb0 libxml2 openssl
openssl-provider-legacy postfix systemd systemd-sysv systemd-timesyncd udev wtmpdb
23 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 16.2 MB of archives.
After this operation, 52.2 kB of additional disk space will be used.
Get:1 http://deb.debian.org/debian trixie/main amd64 base-files amd64 13.8+deb13u2 [73.2 kB]
Get:2 http://deb.debian.org/debian trixie/main amd64 libsystemd0 amd64 257.9-1~deb13u1 [453 kB]
Get:3 http://deb.debian.org/debian trixie/main amd64 libnss-systemd amd64 257.9-1~deb13u1 [218 kB]
Get:4 http://deb.debian.org/debian trixie/main amd64 systemd-sysv amd64 257.9-1~deb13u1 [64.5 kB]
Get:5 http://deb.debian.org/debian trixie/main amd64 libpam-systemd amd64 257.9-1~deb13u1 [297 kB]
Get:6 http://deb.debian.org/debian trixie/main amd64 libsystemd-shared amd64 257.9-1~deb13u1 [2,151 kB]
Get:7 http://deb.debian.org/debian trixie/main amd64 systemd amd64 257.9-1~deb13u1 [3,096 kB]
Get:8 http://deb.debian.org/debian trixie/main amd64 systemd-timesyncd amd64 257.9-1~deb13u1 [93.0 kB]
Get:9 http://deb.debian.org/debian trixie/main amd64 udev amd64 257.9-1~deb13u1 [1,392 kB]
Get:10 http://deb.debian.org/debian trixie/main amd64 libudev1 amd64 257.9-1~deb13u1 [152 kB]
Get:11 http://deb.debian.org/debian trixie/main amd64 openssl-provider-legacy amd64 3.5.4-1~deb13u1 [308 kB]
Get:12 http://deb.debian.org/debian trixie/main amd64 libssl3t64 amd64 3.5.4-1~deb13u1 [2,441 kB]
Get:13 http://deb.debian.org/debian trixie/main amd64 postfix amd64 3.10.5-1~deb13u1 [1,600 kB]
Get:14 http://deb.debian.org/debian trixie/main amd64 dhcpcd-base amd64 1:10.1.0-11+deb13u1 [203 kB]
Get:15 http://deb.debian.org/debian trixie/main amd64 libxml2 amd64 2.12.7+dfsg+really2.9.14-2.1+deb13u2 [698 kB]
Get:16 http://deb.debian.org/debian trixie/main amd64 bind9-dnsutils amd64 1:9.20.15-1~deb13u1 [165 kB]
Get:17 http://deb.debian.org/debian trixie/main amd64 bind9-host amd64 1:9.20.15-1~deb13u1 [55.4 kB]
Get:18 http://deb.debian.org/debian trixie/main amd64 bind9-libs amd64 1:9.20.15-1~deb13u1 [1,238 kB]
Get:19 http://deb.debian.org/debian trixie/main amd64 wtmpdb amd64 0.73.0-3+deb13u1 [21.8 kB]
Get:20 http://deb.debian.org/debian trixie/main amd64 libpam-wtmpdb amd64 0.73.0-3+deb13u1 [10.8 kB]
Get:21 http://deb.debian.org/debian trixie/main amd64 libwtmpdb0 amd64 0.73.0-3+deb13u1 [13.1 kB]
Get:22 http://deb.debian.org/debian trixie/main amd64 distro-info-data all 0.66+deb13u1 [6,724 B]
Get:23 http://deb.debian.org/debian trixie/main amd64 openssl amd64 3.5.4-1~deb13u1 [1,495 kB]
Fetched 16.2 MB in 2s (7,465 kB/s)
apt-listchanges: Reading changelogs...
Preconfiguring packages ...
(Reading database ... 20272 files and directories currently installed.)
Preparing to unpack .../base-files_13.8+deb13u2_amd64.deb ...
Unpacking base-files (13.8+deb13u2) over (13.8+deb13u1) ...
Setting up base-files (13.8+deb13u2) ...
Installing new version of config file /etc/debian_version ...
(Reading database ... 20272 files and directories currently installed.)
Preparing to unpack .../libsystemd0_257.9-1~deb13u1_amd64.deb ...
Unpacking libsystemd0:amd64 (257.9-1~deb13u1) over (257.8-1~deb13u2) ...
Setting up libsystemd0:amd64 (257.9-1~deb13u1) ...
(Reading database ... 20272 files and directories currently installed.)
Preparing to unpack .../libnss-systemd_257.9-1~deb13u1_amd64.deb ...
Unpacking libnss-systemd:amd64 (257.9-1~deb13u1) over (257.8-1~deb13u2) ...
Preparing to unpack .../systemd-sysv_257.9-1~deb13u1_amd64.deb ...
Unpacking systemd-sysv (257.9-1~deb13u1) over (257.8-1~deb13u2) ...
Preparing to unpack .../libpam-systemd_257.9-1~deb13u1_amd64.deb ...
Unpacking libpam-systemd:amd64 (257.9-1~deb13u1) over (257.8-1~deb13u2) ...
Preparing to unpack .../libsystemd-shared_257.9-1~deb13u1_amd64.deb ...
Unpacking libsystemd-shared:amd64 (257.9-1~deb13u1) over (257.8-1~deb13u2) ...
Setting up libsystemd-shared:amd64 (257.9-1~deb13u1) ...
(Reading database ... 20272 files and directories currently installed.)
Preparing to unpack .../systemd_257.9-1~deb13u1_amd64.deb ...
Unpacking systemd (257.9-1~deb13u1) over (257.8-1~deb13u2) ...
Preparing to unpack .../systemd-timesyncd_257.9-1~deb13u1_amd64.deb ...
Unpacking systemd-timesyncd (257.9-1~deb13u1) over (257.8-1~deb13u2) ...
Preparing to unpack .../udev_257.9-1~deb13u1_amd64.deb ...
Unpacking udev (257.9-1~deb13u1) over (257.8-1~deb13u2) ...
Preparing to unpack .../libudev1_257.9-1~deb13u1_amd64.deb ...
Unpacking libudev1:amd64 (257.9-1~deb13u1) over (257.8-1~deb13u2) ...
Setting up libudev1:amd64 (257.9-1~deb13u1) ...
(Reading database ... 20272 files and directories currently installed.)
Preparing to unpack .../openssl-provider-legacy_3.5.4-1~deb13u1_amd64.deb ...
Unpacking openssl-provider-legacy (3.5.4-1~deb13u1) over (3.5.1-1+deb13u1) ...
Setting up openssl-provider-legacy (3.5.4-1~deb13u1) ...
(Reading database ... 20272 files and directories currently installed.)
Preparing to unpack .../libssl3t64_3.5.4-1~deb13u1_amd64.deb ...
Unpacking libssl3t64:amd64 (3.5.4-1~deb13u1) over (3.5.1-1+deb13u1) ...
Setting up libssl3t64:amd64 (3.5.4-1~deb13u1) ...
(Reading database ... 20272 files and directories currently installed.)
Preparing to unpack .../00-postfix_3.10.5-1~deb13u1_amd64.deb ...
Unpacking postfix (3.10.5-1~deb13u1) over (3.10.4-1~deb13u1) ...
Preparing to unpack .../01-dhcpcd-base_1%3a10.1.0-11+deb13u1_amd64.deb ...
Unpacking dhcpcd-base (1:10.1.0-11+deb13u1) over (1:10.1.0-11) ...
Preparing to unpack .../02-libxml2_2.12.7+dfsg+really2.9.14-2.1+deb13u2_amd64.deb ...
Unpacking libxml2:amd64 (2.12.7+dfsg+really2.9.14-2.1+deb13u2) over (2.12.7+dfsg+really2.9.14-2.1+deb13u1) ...
Preparing to unpack .../03-bind9-dnsutils_1%3a9.20.15-1~deb13u1_amd64.deb ...
Unpacking bind9-dnsutils (1:9.20.15-1~deb13u1) over (1:9.20.11-4) ...
Preparing to unpack .../04-bind9-host_1%3a9.20.15-1~deb13u1_amd64.deb ...
Unpacking bind9-host (1:9.20.15-1~deb13u1) over (1:9.20.11-4) ...
Preparing to unpack .../05-bind9-libs_1%3a9.20.15-1~deb13u1_amd64.deb ...
Unpacking bind9-libs:amd64 (1:9.20.15-1~deb13u1) over (1:9.20.11-4) ...
Preparing to unpack .../06-wtmpdb_0.73.0-3+deb13u1_amd64.deb ...
Unpacking wtmpdb (0.73.0-3+deb13u1) over (0.73.0-3) ...
Preparing to unpack .../07-libpam-wtmpdb_0.73.0-3+deb13u1_amd64.deb ...
Unpacking libpam-wtmpdb:amd64 (0.73.0-3+deb13u1) over (0.73.0-3) ...
Preparing to unpack .../08-libwtmpdb0_0.73.0-3+deb13u1_amd64.deb ...
Unpacking libwtmpdb0:amd64 (0.73.0-3+deb13u1) over (0.73.0-3) ...
Preparing to unpack .../09-distro-info-data_0.66+deb13u1_all.deb ...
Unpacking distro-info-data (0.66+deb13u1) over (0.66) ...
Preparing to unpack .../10-openssl_3.5.4-1~deb13u1_amd64.deb ...
Unpacking openssl (3.5.4-1~deb13u1) over (3.5.1-1+deb13u1) ...
Setting up distro-info-data (0.66+deb13u1) ...
Setting up systemd (257.9-1~deb13u1) ...
/usr/lib/tmpfiles.d/legacy.conf:14: Duplicate line for path "/run/lock", ignoring.
Setting up systemd-timesyncd (257.9-1~deb13u1) ...
systemd-time-wait-sync.service is a disabled or a static unit not running, not starting it.
Setting up udev (257.9-1~deb13u1) ...
systemd-udevd.service is a disabled or a static unit not running, not starting it.
Setting up dhcpcd-base (1:10.1.0-11+deb13u1) ...
Setting up postfix (3.10.5-1~deb13u1) ...

Postfix (main.cf) configuration was not modified by debconf.  If you need to
make changes, edit /etc/postfix/main.cf (and others) as needed.  To view
Postfix configuration values, see postconf(1).

After modifying main.cf, be sure to run 'systemctl reload postfix'.

Setting up libwtmpdb0:amd64 (0.73.0-3+deb13u1) ...
Setting up openssl (3.5.4-1~deb13u1) ...
Setting up libxml2:amd64 (2.12.7+dfsg+really2.9.14-2.1+deb13u2) ...
Setting up systemd-sysv (257.9-1~deb13u1) ...
Setting up bind9-libs:amd64 (1:9.20.15-1~deb13u1) ...
Setting up libpam-wtmpdb:amd64 (0.73.0-3+deb13u1) ...
Setting up libnss-systemd:amd64 (257.9-1~deb13u1) ...
Setting up wtmpdb (0.73.0-3+deb13u1) ...
Setting up libpam-systemd:amd64 (257.9-1~deb13u1) ...
Setting up bind9-host (1:9.20.15-1~deb13u1) ...
Setting up bind9-dnsutils (1:9.20.15-1~deb13u1) ...
Processing triggers for man-db (2.13.1-1) ...
Processing triggers for dbus (1.16.2-2) ...
Processing triggers for shared-mime-info (2.4-5+b2) ...
Processing triggers for procps (2:4.0.4-9) ...
Processing triggers for libc-bin (2.41-12) ...
Processing triggers for postfix (3.10.5-1~deb13u1) ...
Restarting postfix
✔️   Updated Container OS
Summary:
Upgrading: 0, Installing: 0, Removing: 0, Not Upgrading: 0
✔️   Cleaned
✔️   Completed Successfully!

🚀  Debian setup has been successfully initialized!