Comment 6 for bug 1781016

Same here. Not sure when this started:

~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04 LTS
Release: 18.04
Codename: bionic

~$ uname -a
Linux w00t 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

~$ dmesg

[ 2864.829849] do_IRQ: 2.33 No irq handler for vector
[ 2865.830173] do_IRQ: 2.33 No irq handler for vector
[ 2866.830508] do_IRQ: 2.33 No irq handler for vector
[ 2867.830819] do_IRQ: 2.33 No irq handler for vector
[ 2868.831143] do_IRQ: 2.33 No irq handler for vector
[ 2874.833340] do_IRQ: 2.33 No irq handler for vector
[ 2875.833649] do_IRQ: 2.33 No irq handler for vector
[ 2876.833973] do_IRQ: 2.33 No irq handler for vector
[ 2877.834289] do_IRQ: 2.33 No irq handler for vector
[ 2878.834606] do_IRQ: 2.33 No irq handler for vector
[ 2879.834868] do_IRQ: 2.33 No irq handler for vector
[ 2880.835212] do_IRQ: 2.33 No irq handler for vector
[ 2881.835559] do_IRQ: 2.33 No irq handler for vector
[ 2882.835855] do_IRQ: 2.33 No irq handler for vector
[ 2883.836186] do_IRQ: 2.33 No irq handler for vector
[ 2889.838551] do_IRQ: 2.33 No irq handler for vector
[ 2890.838868] do_IRQ: 2.33 No irq handler for vector
[ 2892.839543] do_IRQ: 2.33 No irq handler for vector