Allow to set auth_type for VRRP group

Keepalived supports two auth_types: PASS and AH
 * PASS - is a plaintext authentication, attacker
   can get password by simply sniffing traffic
 * AH - IPSEC-AH uses IPSEC Authentication Header

This patch allows to set auth_type per VRRP instance and change
default value to AH

Related-Prod: PROD-16096

Change-Id: I55b914b44df5963cb66062449b0cee4234ee2fd5
2 files changed