SPINEL_PROP_THREAD_LINK_METRICS_QUERY_RESULT value

Link metrics query result Format: `6Ct(A(t(CD)))` - Unsolicited notifications only Required capability: `SPINEL_CAP_THREAD_LINK_METRICS` `6` : IPv6 destination address `C` : Status `t(A(t(CD)))` : Array of structs encoded as following: `C` : Metric id `D` : Metric value +---------------+----+----------------+ | Metric | Id | Value format | +---------------+----+----------------+ | Received PDUs | 0 | `L` (uint32_t) | | LQI | 1 | `C` (uint8_t) | | Link margin | 2 | `C` (uint8_t) | | RSSI | 3 | `c` (int8_t) | +---------------+----+----------------+