os-prober takes excessive amount of time

[keepitsimpleengr]

In an update involving kernel, grib2 two is run twice and thus os-prober runs twice.
Each run of os-prober takes around 5 minutes, making for a much extended update time.
See attached screen grab of htop

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: os-prober 1.74ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
Uname: Linux 4.15.0-33-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: XFCE
Date: Fri Aug 31 11:21:40 2018
InstallationDate: Installed on 2016-05-02 (850 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: os-prober
UpgradeStatus: Upgraded to bionic on 2018-08-20 (10 days ago)

[keepitsimpleengr (keepitsimpleengineer)]

Still taking too long