Package: nftables
Version: 1.1.3-1
Severity: important

Dear Maintainer,

During unattended-upgrade from nftables version 1.1.2-1 to 1.1.3-1,
my containers with exposed ports no longer work until I restart them.

It seems that during package upgrade, nftables.postinst tried to
restart nftables.service and executed the command line specified
in ExecStop= directive, which flushed the whole ruleset.

Although nftables rules can be loaded from /etc/nftables.conf via
ExecStart=, all iptables rules were lost and exposed ports for my
containers stop working.

I didn't expect flushing the whole ruleset during package upgrade.
As that breaks all application maintaining iptables rule in runtime.

-- System Information:
Debian Release: 13.0
  APT prefers testing-security
  APT policy: (500, 'testing-security'), (500, 'testing')
Architecture: amd64 (x86_64)

Versions of packages nftables depends on:
ii  libc6         2.41-9
ii  libedit2      3.1-20250104-1
ii  libnftables1  1.1.3-1

Versions of packages nftables recommends:
ii  netbase  6.5

Versions of packages nftables suggests:
pn  firewalld  <none>

-- no debconf information

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