Symptom
"encr aes 256" not visible via netconf/yang or restconf if:
* netconf/yang enabled after config put in place
* command entered that triggers full sync (e.g. "no ip address" on an interface)
Conditions
"encr aes 256" configured under crypto isakmp policy either before netconf-yang or restconf enabled or if a command that triggers a full config sync is entered.