wireguard-dkms 1.0.20200611-1ubuntu1~16.04.1: wireguard kernel module failed to build

[Axel Chauvin]

Appended when I tried to install wireguard

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: wireguard-dkms 1.0.20200611-1ubuntu1~16.04.1
ProcVersionSignature: Ubuntu 4.15.0-42.45~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-42-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
DKMSKernelVersion: 4.15.0-42-generic
Date: Wed Sep 23 15:46:34 2020
DuplicateSignature: dkms:wireguard-dkms:1.0.20200611-1ubuntu1~16.04.1:/var/lib/dkms/wireguard/1.0.20200611/build/socket.c:139:18: error: ‘const struct ipv6_stub’ has no member named ‘ipv6_dst_lookup_flow’
InstallationDate: Installed on 2017-06-20 (1191 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
PackageArchitecture: all
PackageVersion: 1.0.20200611-1ubuntu1~16.04.1
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.5
 apt 1.2.29
SourcePackage: wireguard-linux-compat
Title: wireguard-dkms 1.0.20200611-1ubuntu1~16.04.1: wireguard kernel module failed to build
UpgradeStatus: No upgrade log present (probably fresh install)

[Jason A. Donenfeld (zx2c4)]

You forgot to update your system.

apt update && apt upgrade