This object when set to clearStatic, results in port bind
static entries being cleared on this VSAN. This object when
set to clearAutoLearn, results in auto-learnt entries being
cleared on this VSAN. This object when set to clearAll,
results in all of the port bind entries being cleared on
this VSAN. No action is taken if this object is set to noop.
The value of this object when read is always noop.