ErrorCounts (ERRCNT)
Node makes available the counts for the number of errors that have occurred during the reception and transmission of packets on the Wi-Fi interface.
PacketCounts (PKTCNT)
Node makes available the counts for the number of received and transmitted packets on the Wi-Fi interface.
These are optional features supported by WiFiNetworkDiagnosticsCluster.
See
MatterSpecification.v13.Core ยง 11.15.4