Unrecoverable failure in required component org.gnome.SettingsDaemon.Color.desktop

This is a duplicate of #1764417 (and probably also of #1663839), I'd like to provide extra logs and not clutter the existing report.

Roughly two minutes after logging in, I was confronted with another gdm login screen after this had been logged

Sep 6 13:31:22 mysystem gnome-session[2983]: gnome-session-binary[2983]: WARNING: Application 'org.gnome.SettingsDaemon.Color.desktop' failed to register before timeout
Sep 6 13:31:22 mysystem gnome-session-binary[2983]: WARNING: Application 'org.gnome.SettingsDaemon.Color.desktop' failed to register before timeout
Sep 6 13:31:22 mysystem gnome-session-binary[2983]: Unrecoverable failure in required component org.gnome.SettingsDaemon.Color.desktop
Sep 6 13:31:22 mysystem gnome-session[2983]: gnome-session-binary[2983]: CRITICAL: We failed, but the fail whale is dead. Sorry....
Sep 6 13:31:22 mysystem gnome-session-binary[2983]: CRITICAL: We failed, but the fail whale is dead. Sorry....
Sep 6 13:31:22 mysystem kernel: [ 163.130657] rfkill: input handler enabled
Sep 6 13:31:22 mysystem at-spi-bus-launcher[3085]: XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0"

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-settings-daemon 3.28.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
Uname: Linux 4.15.0-33-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Sep 6 13:47:32 2018
SourcePackage: gnome-settings-daemon
UpgradeStatus: Upgraded to bionic on 2018-08-15 (22 days ago)