feat: continue incus implementation (#245)

- migrate to systemd-networkd
- setup dummy, bridge and static/ethernet interfaces
- manage sshd.service droping to start ssh after networking is online
- enable ip forewarding
- add fastpool/data/incus dataset
- enable ospf and frr
- add loopback0 as ssh listenaddress
- add loopback1/2 for ceph cluster/public traffic

Reviewed-on: https://git.query.consul/unkinben/puppet-prod/pulls/245

hieradata/nodes/prodnxsr0010.main.unkin.net.yaml

@@ -1,10 +1,13 @@
 ---
+networking_loopback0_ip: 198.18.19.10  # management loopback
+networking_loopback1_ip: 198.18.22.10  # ceph-cluster loopback
+networking_loopback2_ip: 198.18.23.10  # ceph-public loopback
+networking_br10_ip: 198.18.26.254
 networking::interfaces:
   enp2s0:
+    mac: 70:b5:e8:38:e9:37
     ipaddress: 198.18.15.10
-  enp3s0:
-    ipaddress: 10.18.15.10
-    mtu: 9000
-networking::routes:
-  default:
     gateway: 198.18.15.254
+  enp3s0:
+    mac: 00:e0:4c:68:0f:de
+    ipaddress: 198.18.21.10