[pkg-netfilter-team] Bug#993549: iptables: -Z also fails to clear all counters when invoked without a chain name

[Scott Ward]

Package: iptables
Version: 1.8.7-1
Followup-For: Bug #947689

Dear Maintainer,

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-- System Information:
Debian Release: 11.0
  APT prefers stable-security
  APT policy: (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-8-amd64 (SMP w/1 CPU thread)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages iptables depends on:
ii  libc6                    2.31-13
ii  libip4tc2                1.8.7-1
ii  libip6tc2                1.8.7-1
ii  libmnl0                  1.0.4-3
ii  libnetfilter-conntrack3  1.0.8-3
ii  libnfnetlink0            1.0.1-3+b1
ii  libnftnl11               1.1.9-1
ii  libxtables12             1.8.7-1
ii  netbase                  6.3

Versions of packages iptables recommends:
ii  nftables  0.9.8-3.1

Versions of packages iptables suggests:
pn  firewalld  <none>
ii  kmod       28-1

-- no debconf information


====== added information ==========

iptables -Z also failes to clear the counters in an entire table even if no chain name is given, for example:
 
iptables -t nat -Z

does not clear any counters in the nat table.