The notification is generated when the target host is deleted.
hh3cSnmpExtLockThreshold
.1.3.6.1.4.1.25506.2.104.3.0.2
The notification is generated when the number of users
joining the SNMPv3 user blacklist exceeds the upper threshold
(40% of the maximum number of users blacklist is supported).
hh3cSnmpExtLockThresholdResume
.1.3.6.1.4.1.25506.2.104.3.0.3
The notification is generated when the number of users joining
the SNMPv3 user blacklist recovers below the low threshold
(10% of the maximum number of users blacklist is supported).