apport information

** Attachment added: "ProcCpuinfo.txt"
   
https://bugs.launchpad.net/bugs/1772775/+attachment/5143071/+files/ProcCpuinfo.txt

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https://bugs.launchpad.net/bugs/1772775

Title:
  4.4.0-127.153 generates many "sit: non-ECT" messages

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Since deploying linux-image-4.4.0-127-generic (4.4.0-127.153) on a
  Xenial VM with a sit tunnel, I get such messages:

  May 22 10:49:38 gw kernel: [   68.121601] sit: non-ECT from 0.0.0.0
  with TOS=0x5

  Those are logged quite often:

  # grep -cF 'sit: non-ECT' /var/log/syslog
  9108

  Reverting to linux-image-4.4.0-124-generic (4.4.0-124.148) fixes the
  issue.

  # lsb_release -rd
  Description:  Ubuntu 16.04.4 LTS
  Release:      16.04
  # apt-cache policy linux-image-4.4.0-127-generic
  linux-image-4.4.0-127-generic:
    Installed: 4.4.0-127.153
    Candidate: 4.4.0-127.153
    Version table:
   *** 4.4.0-127.153 500
          500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
          500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 
Packages
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-127-generic 4.4.0-127.153
  ProcVersionSignature: Ubuntu 4.4.0-127.153-generic 4.4.128
  Uname: Linux 4.4.0-127-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 May 22 20:08 seq
   crw-rw---- 1 root audio 116, 33 May 22 20:08 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.20.1-0ubuntu2.17
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: [Errno 2] No such file or directory: 'fuser'
  CRDA: N/A
  Date: Tue May 22 21:18:45 2018
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  Lspci: Error: [Errno 2] No such file or directory: 'lspci'
  Lsusb: Error: [Errno 2] No such file or directory: 'lsusb'
  MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-127-generic 
root=UUID=67f7ee15-64f4-4c85-805c-08386d5fed8b ro console=ttyS0 net.ifnames=0 
kaslr vsyscall=none nmi_watchdog=0 possible_cpus=1 pti=on nr_cpus=1
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-127-generic N/A
   linux-backports-modules-4.4.0-127-generic  N/A
   linux-firmware                             N/A
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: Ubuntu-1.8.2-1ubuntu1
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-i440fx-2.5
  dmi.modalias: 
dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-2.5:cvnQEMU:ct1:cvrpc-i440fx-2.5:
  dmi.product.name: Standard PC (i440FX + PIIX, 1996)
  dmi.product.version: pc-i440fx-2.5
  dmi.sys.vendor: QEMU
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 May 22 21:33 seq
   crw-rw---- 1 root audio 116, 33 May 22 21:33 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.20.1-0ubuntu2.17
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: [Errno 2] No such file or directory
  CRDA: N/A
  DistroRelease: Ubuntu 16.04
  IwConfig: Error: [Errno 2] No such file or directory
  Lspci: Error: [Errno 2] No such file or directory
  Lsusb: Error: [Errno 2] No such file or directory
  MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
  Package: linux (not installed)
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-124-generic 
root=UUID=67f7ee15-64f4-4c85-805c-08386d5fed8b ro kaslr net.ifnames=0 
nmi_watchdog=0 nr_cpus=1 pti=on console=ttyS0 vsyscall=none
  ProcVersionSignature: Ubuntu 4.4.0-124.148-generic 4.4.117
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-124-generic N/A
   linux-backports-modules-4.4.0-124-generic  N/A
   linux-firmware                             N/A
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  xenial
  Uname: Linux 4.4.0-124-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: Ubuntu-1.8.2-1ubuntu1
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-i440fx-2.5
  dmi.modalias: 
dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-2.5:cvnQEMU:ct1:cvrpc-i440fx-2.5:
  dmi.product.name: Standard PC (i440FX + PIIX, 1996)
  dmi.product.version: pc-i440fx-2.5
  dmi.sys.vendor: QEMU

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