[FROG] ospf stopped working on 8.5.2

[Brian J. Murrell]

My distro (Fedora 38) updated frr from 8.5.1 to 8.5.2 yesterday and
upon restart of frr after that update, OSFP routing stopped working. 
It was working find prior to that.

When I use vtysh to show the ospf route database:

# show ip ospf database route
% OSPF is not enabled in vrf default

and indeed, the running config shows no OSPF configuration:

# show running-config 
Building configuration...

Current configuration:
!
frr version 8.5.2
frr defaults traditional
hostname pc.example.com
no ipv6 forwarding
no service integrated-vtysh-config
!
end

But my configuration files do configure ospf:

----- /etc/frr/daemons -----
bgpd=no
ospfd=yes
ospf6d=no
ripd=no
ripngd=no
isisd=no
pimd=no
pim6d=no
nhrpd=no
eigrpd=no
sharpd=no
pbrd=no
bfdd=no
fabricd=no
vrrpd=no
pathd=no

vtysh_enable=yes
zebra_options="  -A 127.0.0.1 -s 90000000"
bgpd_options="   -A 127.0.0.1"
ospfd_options="  -A 127.0.0.1"
ospf6d_options=" -A ::1"
ripd_options="   -A 127.0.0.1"
ripngd_options=" -A ::1"
isisd_options="  -A 127.0.0.1"
pimd_options="   -A 127.0.0.1"
pim6d_options="  -A ::1"
nhrpd_options="  -A 127.0.0.1"
eigrpd_options=" -A 127.0.0.1"
sharpd_options=" -A 127.0.0.1"
pbrd_options="   -A 127.0.0.1"
staticd_options="-A 127.0.0.1"
bfdd_options="   -A 127.0.0.1"
fabricd_options="-A 127.0.0.1"
vrrpd_options="  -A 127.0.0.1"
pathd_options="  -A 127.0.0.1"

----- /etc/frr/frr.conf -----
hostname pc.interlinx.bc.ca
----- /etc/frr/ospfd.conf -----
hostname pc
password ospf4me
enable password ospf4me
!
router ospf
   ospf router-id 10.75.22.1
   network 10.75.22.0/24 area 0
!   network 192.168.122.0/24 area 1
!   network 192.168.0.0/24 area 1
!
redistribute connected
----- /etc/frr/staticd.conf -----
----- /etc/frr/vtysh.conf -----
no service integrated-vtysh-config
----- /etc/frr/zebra.conf -----
hostname pc
password zebra
enable password zebra
log stdout

interface pc_bridge
  link-detect

interface virbr0
  no link-detect


This is the very same config that worked with 8.5.1 and is working on
other machines in the network (albeit with earlier versions of frr as
they are "EL8" systems which don't update as quickly as Fedora).

Is there something about this configuration that is not compatible with
8.5.2?

Cheers,
b.