Your message dated Sat, 15 May 2021 02:30:39 -0700 (PDT)
with message-id <[email protected]>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #842385,
regarding Kernel update changes default src ip
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
842385: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=842385
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: linux-image-3.16.0-4-amd64
Version: 3.16.36-1+deb8u2

After the upgrade to the new kernel version we've noticed that the default src 
IP have changed from the primary interface eth0 to the IP set for the 
subinterface eth0:1. This has caused problem with some of our services such as 
bind that now uses the wrong IP for zone transfers which fails.

# ip route show
default via xxx.xxx.240.1 dev eth0
xxx.xxx.240.0/27 dev eth0  proto kernel  scope link  src xxx.xxx.240.11

/etc/network/interfaces:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet static
        address xxx.xxx.240.9
        netmask 255.255.255.224
        gateway xxx.xxx.240.1
        pre-up iptables-restore < /etc/iptables.rules
        post-down iptables-save -c > /etc/iptables.rules

auto eth0:1
iface eth0:1 inet static
        address xxx.xxx.240.11
        netmask 255.255.255.224

The reason we suspect this is something in the kernel is because that's the 
only package upgraded and the only change made to the system prior to the 
problem appearing.

We are running Debian GNU/Linux 8.6, kernel 3.16.36-1+deb8u2




Martin Hellström


DGC Delta AB
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111 57 Stockholm
Sweden


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Cell: +46 70 485 26 01
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--- End Message ---
--- Begin Message ---
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---

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