Number of Buffer Create Failures due to No Memory
%system-id%_%peer-index%_cbgp.rrd
%system-id%_%interface-nick%_%car-direction%_%car-index%_ccar.rrd
$ccarStatHCSwitchedPkts.%ifindex-map%.%car-direction%.%car-index%
$ccarStatHCSwitchedBytes.%ifindex-map%.%car-direction%.%car-index%
$ccarStatHCFilteredPkts.%ifindex-map%.%car-direction%.%car-index%
$ccarStatHCFilteredBytes.%ifindex-map%.%car-direction%.%car-index%