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+What: /sys/bus/thunderbolt/devices/.../device
+Date: Sep 2017
+KernelVersion: 4.13
+Contact: thunderbolt-software@lists.01.org
+Description: This attribute contains id of this device extracted from
+ the device DROM.
+
+What: /sys/bus/thunderbolt/devices/.../vendor
+Date: Sep 2017
+KernelVersion: 4.13
+Contact: thunderbolt-software@lists.01.org
+Description: This attribute contains vendor id of this device extracted
+ from the device DROM.
+
+What: /sys/bus/thunderbolt/devices/.../unique_id
+Date: Sep 2017
+KernelVersion: 4.13
+Contact: thunderbolt-software@lists.01.org
+Description: This attribute contains unique_id string of this device.
+ This is either read from hardware registers (UUID on
+ newer hardware) or based on UID from the device DROM.
+ Can be used to uniquely identify particular device.