openvswitch-datapath-dkms 1.4.6-0ubuntu1.12.04.2: openvswitch kernel module failed to build

[Ching Sun]

I tried to do regular software updates, openvswitch was always failed to update.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: openvswitch-datapath-dkms 1.4.6-0ubuntu1.12.04.2
ProcVersionSignature: Ubuntu 3.13.0-33.58~precise1-generic 3.13.11.4
Uname: Linux 3.13.0-33-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
DKMSKernelVersion: 3.13.0-34-generic
Date: Thu Aug 14 11:12:47 2014
InstallationMedia: Ubuntu-Server 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140204)
MarkForUpload: True
PackageArchitecture: all
PackageVersion: 1.4.6-0ubuntu1.12.04.2
SourcePackage: openvswitch
Title: openvswitch-datapath-dkms 1.4.6-0ubuntu1.12.04.2: openvswitch kernel module failed to build
UpgradeStatus: No upgrade log present (probably fresh install)