Here is a list of all documented variables with links to the class documentation for each member:

m_connectionCount : AzNetworking::NetworkInterfaceMetrics
m_discardedPackets : AzNetworking::NetworkInterfaceMetrics
m_recvBytes : AzNetworking::NetworkInterfaceMetrics
m_recvBytesUncompressed : AzNetworking::NetworkInterfaceMetrics
m_recvPackets : AzNetworking::NetworkInterfaceMetrics
m_recvTimeMs : AzNetworking::NetworkInterfaceMetrics
m_resentPackets : AzNetworking::NetworkInterfaceMetrics
m_sendBytes : AzNetworking::NetworkInterfaceMetrics
m_sendBytesCompressedDelta : AzNetworking::NetworkInterfaceMetrics
m_sendBytesEncryptionInflation : AzNetworking::NetworkInterfaceMetrics
m_sendBytesUncompressed : AzNetworking::NetworkInterfaceMetrics
m_sendCompressedPacketsNoGain : AzNetworking::NetworkInterfaceMetrics
m_sendPackets : AzNetworking::NetworkInterfaceMetrics
m_sendPacketsEncrypted : AzNetworking::NetworkInterfaceMetrics
m_sendTimeMs : AzNetworking::NetworkInterfaceMetrics
m_updateTimeMs : AzNetworking::NetworkInterfaceMetrics