/sys/devices/pci0000:00/0000:00:04.4/msi_irqs/
/sys/devices/pci0000:00/0000:00:04.4/msi_irqs
NameSizeModeActions
4440960444editdlrm
Edit: /sys/devices/pci0000:00/0000:00:04.4/msi_irqs/44 (4096B)
cmd: