Bug#935093: linux: Application conntrackd does not work under linux-image-4.9.0-9-amd64

[Jan de Haan <jan.dehaan@euronet.com>]

Source: linux
Version: linux-image-4.9.0-9-amd64
Severity: normal

Dear Maintainer,

   * What led up to the situation?
     upgrading from linux-image-4.9.0-8-amd64 to linux-image-4.9.0-9-amd64
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
     sudo apt update & upgrade
   * What was the outcome of this action?
     Non working (reporting) conntrackd, empty /var/log/conntrackd-stats.log
   * What outcome did you expect instead?
     Regular session reports.
   * Workaround
     Downgraded to linux-image-4.9.0-8-amd64
   
   Installed:
     "conntrack"   "1:1.4.4+snapshot20161117-5"  "installed"
     "conntrackd"  "1:1.4.4+snapshot20161117-5"  "installed"

   Configfile: /etc/conntrackd/conntrackd.conf 
    General {
        Systemd on
        Nice -1
        HashSize 8192
        HashLimit 65535
        LogFile on
        LockFile /var/lock/conntrack.lock
        UNIX {
                Path /var/run/conntrackd.ctl
                Backlog 20
        }
        NetlinkBufferSize 262142
        NetlinkBufferSizeMaxGrowth 655355
        Filter {
                Protocol Accept {
                        TCP
                        SCTP
                        DCCP
                        UDP
                        ICMP
                        IPv6-ICMP
                }
                Address Ignore {
                        IPv4_address 127.0.0.1 # loopback
                }
        }
    }
    Stats {
        LogFile on
        Syslog local0
    }

-- System Information:
Debian Release: 9.9
  APT prefers oldstable-updates
  APT policy: (500, 'oldstable-updates'), (500, 'oldstable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-8-amd64 (SMP w/16 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)