system pci phys_function virt_functions pci-bridge cardbus-bridge cap sta [0-9]+(.[0-9]+)? usb_device usb net [a-zA-Z\-_]+ 80203 80211 fc_host vports_ops scsi_host scsi storage hotpluggable removable 1 0 ([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2} /[a-zA-Z0-9_\+\-/%]+