The peer device is the parent of current device.
The peer device is the child of current device.
The peer device is the sibling of current device.
The relationship is none of above, means that the peer device is currently unknown, and its relationship with the network is in the process of being established.
The peer device is the previous child of current device, meaning it has been confirmed to have left the network.
The peer device is the unauthenticated child of current device, meaning it is in the process of joining the network but has not yet been authenticated.