DEVICENAME ~~ (tun|tap[0-9]) { makedev /dev/net/%DEVICENAME% 0644 next } DEVPATH is set { makedev /dev/%DEVICENAME% 0644 } FIRMWARE is set { exec /sbin/hotplug-call firmware; next } SUBSYSTEM ~~ (net|button) { exec /sbin/hotplug-call %SUBSYSTEM%; }