Bug#1101876: /bin/ip: disappearing permanent arp entries

[Piotr Dzierzak <dzierzak.piotr@gmail.com>]

Package: iproute2
Version: 6.1.0-3
Severity: important
File: /bin/ip
X-Debbugs-Cc: dzierzak.piotr@gmail.com

Dear Maintainer,

I have a router on Debian 12. The static / permanent arp entries are disappearing in the system :/

-- System Information:
Debian Release: 12.10
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.12.12+bpo-amd64 (SMP w/2 CPU threads; PREEMPT)
Locale: LANG=pl_PL.UTF-8, LC_CTYPE=pl_PL.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 iproute2 depends on:
ii  debconf [debconf-2.0]  1.5.82
ii  libbpf1                1:1.1.0-1
ii  libbsd0                0.11.7-2
ii  libc6                  2.36-9+deb12u10
ii  libcap2                1:2.66-4
ii  libcap2-bin            1:2.66-4
ii  libdb5.3               5.3.28+dfsg2-1
ii  libelf1                0.188-2.1
ii  libmnl0                1.0.4-3
ii  libselinux1            3.4-1+b6
ii  libtirpc3              1.3.3+ds-1
ii  libxtables12           1.8.9-2

Versions of packages iproute2 recommends:
pn  libatm1  <none>

Versions of packages iproute2 suggests:
pn  iproute2-doc  <none>
ii  python3       3.11.2-1+b1

-- debconf information:
  iproute2/setcaps: false