Xubuntu 18.10 no plymouth screen at start up; only scrolling text at start up

[Willem Hobers]

On a fresh install of Xubuntu 18.10 at start up, plymouth does not show up. Booting seems normal though.

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: plymouth 0.9.3-1ubuntu7
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.10-0ubuntu2
Architecture: amd64
BootLog: Error: [Errno 2] Bestand of map bestaat niet: '/var/log/boot.log'
CurrentDesktop: XFCE
Date: Sun May 20 19:49:44 2018
DefaultPlymouth: /usr/share/plymouth/themes/xubuntu-logo/xubuntu-logo.plymouth
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 004: ID 0bda:0821 Realtek Semiconductor Corp.
 Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
 Bus 001 Device 002: ID 13d3:a745 IMC Networks
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 80UD
ProcCmdLine: BOOT_IMAGE=/vmlinuz root=/dev/sda1
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz root=/dev/sda1
SourcePackage: plymouth
TextPlymouth: /usr/share/plymouth/themes/xubuntu-text/xubuntu-text.plymouth
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/11/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: 1TCN25WW(V2.06)
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Lenovo ideapad 1
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40700 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad 110-15ISK
dmi.modalias: dmi:bvnLENOVO:bvr1TCN25WW(V2.06):bd07/11/2017:svnLENOVO:pn80UD:pvrLenovoideapad110-15ISK:rvnLENOVO:rnLenovoideapad1:rvrSDK0J40700WIN:cvnLENOVO:ct10:cvrLenovoideapad110-15ISK:
dmi.product.family: IDEAPAD
dmi.product.name: 80UD
dmi.product.version: Lenovo ideapad 110-15ISK
dmi.sys.vendor: LENOVO