FRR Release 8.5.2

FRR Release 8.5.2

* Bug Fixes

bfdd
    Fix malformed session with vrf
    Remove redundant nb destroy callbacks

bgpd
    Ensure stream received has enough data
    Fix bgpd core when unintern attr
    Fix the json output of show bgp all json to be in a valid format
    Make sure aigp attribute is non-transitive
    Using no pretty json output for l2vpn-evpn routes

doc
    Add `neighbor aigp` command for bgp

lib
    Fix memory leak in in link state
    Fix vtysh core when handling questionmark
    Link state memory corruption

ospfd
    Fix interface param type update
    Fix memory leaks w/ `show ip ospf int x json` commands
    Ospf opaque lsa stale processing fix and topotests.
    Respect loopback's cost that is set and set loopback costs to 0

pim6d
    Fix crash in ipv6 pim command

pimd
    Pim not sending register packets after changing from non dr to dr

tests
    Adjust aigp metric numbers for ibgp setup

tools
    Fix list value remove in frr-reload

vtysh
    Give actual pam error messages

zebra
    Evpn handle del event for dup detected mac
    Fix dp_out_queued counter to actually reflect real life
    Fix evpn dup detected local mac del event
    Reduce creation and fix memory leak of frrscripting pointers
    Unlock the route node when sending route notifications

Signed-off-by: Jafar Al-Gharaibeh <jafar@atcorp.com>