[pkg-netfilter-team] Bug#932498: iptables -L goes into uninteruptable sleep

[Anzulo]

Package: iptables
Version: 1.8.2-4
Severity: critical
Tags: a11y
Justification: breaks the whole system



-- System Information:
Debian Release: 10.0
   APT prefers stable
   APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), 
LANGUAGE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages iptables depends on:
ii  libc6                    2.28-10
ii  libip4tc0                1.8.2-4
ii  libip6tc0                1.8.2-4
ii  libiptc0                 1.8.2-4
ii  libmnl0                  1.0.4-2
ii  libnetfilter-conntrack3  1.0.7-1
ii  libnfnetlink0            1.0.1-3+b1
ii  libnftnl11               1.1.2-2
ii  libxtables12             1.8.2-4

Versions of packages iptables recommends:
pn  nftables  <none>

Versions of packages iptables suggests:
ii  kmod  26-1

-- no debconf information


Either Fail2Ban, or netfilter-persistent, or iptables itself causes this 
state.
It also prevents the system from shutdown or reboot, only hard reset works.