The tmnxCpmProtViolPortTable has an entry for each port where
either the link-specific packet arrival rate limit or the
per-port overall packet rate limit was violated.
This object is not supported on SR-1 and ESS-1, where the
value of TIMETRA-CHASSIS-MIB::tmnxChassisType is '5',
and 7710, where the value of TIMETRA-CHASSIS-MIB::tmnxChassisType is
'7' or '9'.