Represents the device properties which are used for calculating the local leader weight on a device.

The parameters are set based on device's capability, whether acting as border router, its power supply config, etc.

mIsUnstable indicates operational stability of device and is determined via a vendor specific mechanism. It can include the following cases:

• Device internally detects that it loses external power supply more often than usual. What is usual is determined by the vendor.

• Device internally detects that it reboots more often than usual. What is usual is determined by the vendor.