This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1824687

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Changed in: linux (Ubuntu Xenial)
       Status: New => Incomplete

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  4.4.0-145-generic Kernel Panic  ip6_expire_frag_queue

Status in linux package in Ubuntu:
Status in linux source package in Xenial:

Bug description:
  Description:  Ubuntu 16.04.6 LTS
  Release:      16.04

  After upgrading our server to this Kernel we experience frequent Kernel 
panics (Attachment).
  Every 3 hours. 
  Our machine has a throuput of about 600 Mbits/s 
  The Panics are around the area of ip6_expire_frag_queue.


  It seems similar to Bug Report in Debian.

  According to the bug finder of above bug it also occurred after using a 
Kernel with the change of
  rewrite ip6_expire_frag_queue()

  Intermediate solution. We disabled IPv6 on this machine to avoid further 
  Please let me know what information is missing. The ubuntu-bug linux was 
send. And I hope it is attached to this report.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-145-generic 4.4.0-145.171
  ProcVersionSignature: Ubuntu 4.4.0-145.171-generic 4.4.176
  Uname: Linux 4.4.0-145-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  Date: Sun Apr 14 11:40:11 2019
  InstallationDate: Installed on 2018-03-18 (391 days ago)
  InstallationMedia: Ubuntu-Server 16.04.4 LTS "Xenial Xerus" - Release amd64 
   PATH=(custom, no user)
  SourcePackage: linux-signed
  UpgradeStatus: Upgraded to xenial on 2018-10-21 (174 days ago)

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