ktap 0.4+git20150927-1: ktapvm kernel module failed to build

[SHJ]

I was browsing web and then...

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: ktap 0.4+git20150927-1
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
DKMSKernelVersion: 4.4.0-38-generic
Date: Tue Sep 20 04:57:33 2016
DuplicateSignature: dkms:ktap:0.4+git20150927-1:/var/lib/dkms/ktapvm/0.4+git20150927-1/build/runtime/kp_obj.c:47:8: error: ‘__GFP_WAIT’ undeclared (first use in this function)
InstallationDate: Installed on 2016-06-30 (81 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
PackageVersion: 0.4+git20150927-1
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: ktap
Title: ktap 0.4+git20150927-1: ktapvm kernel module failed to build
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[SHJ (skiphopjump)]

I don't have this bug anymore. Not critical for me.