SPINEL_PROP_MSG_BUFFER_COUNTERS value

The message buffer counter info Format: `SSSSSSSSSSSSSSSS` (Read-only) `S`, (TotalBuffers) The number of buffers in the pool. `S`, (FreeBuffers) The number of free message buffers. `S`, (6loSendMessages) The number of messages in the 6lo send queue. `S`, (6loSendBuffers) The number of buffers in the 6lo send queue. `S`, (6loReassemblyMessages) The number of messages in the 6LoWPAN reassembly queue. `S`, (6loReassemblyBuffers) The number of buffers in the 6LoWPAN reassembly queue. `S`, (Ip6Messages) The number of messages in the IPv6 send queue. `S`, (Ip6Buffers) The number of buffers in the IPv6 send queue. `S`, (MplMessages) The number of messages in the MPL send queue. `S`, (MplBuffers) The number of buffers in the MPL send queue. `S`, (MleMessages) The number of messages in the MLE send queue. `S`, (MleBuffers) The number of buffers in the MLE send queue. `S`, (ArpMessages) The number of messages in the ARP send queue. `S`, (ArpBuffers) The number of buffers in the ARP send queue. `S`, (CoapMessages) The number of messages in the CoAP send queue. `S`, (CoapBuffers) The number of buffers in the CoAP send queue.