Remove bridge setup & use predictable network interace name

tasks/network.yml

@@ -28,14 +28,10 @@
     group: systemd-network
     mode: '0640'
   loop:
-    - { src: 'templates/network/br0.netdev.j2', dest: '/etc/systemd/network/br0.netdev' }
+    - { src: 'templates/network/link1.link.j2', dest: '/etc/systemd/network/link1.link' }
     - {
-        src: 'templates/network/br0.network.j2',
-        dest: '/etc/systemd/network/br0.network',
-      }
-    - {
-        src: 'templates/network/enp5s0.network.j2',
-        dest: '/etc/systemd/network/enp5s0.network',
+        src: 'templates/network/link1.network.j2',
+        dest: '/etc/systemd/network/link1.network',
       }
     - { src: 'templates/network/wg0.netdev.j2', dest: '/etc/systemd/network/wg0.netdev' }
     - {

templates/network/br0.netdev.j2

@@ -1,6 +0,0 @@
-# {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
-
-[NetDev]
-Name={{ bridge_interface }}
-Kind=bridge
-MACAddress={{ bridge_mac }}

templates/network/link1.link.j2

@@ -1,7 +1,8 @@
 # {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
 
 [Match]
-Name={{ bridge_source_interface }}
+MACAddress={{ network_mac }}
 
-[Network]
-Bridge={{ bridge_interface }}
+[Link]
+NamePolicy=
+Name={{ network_interface }}

templates/network/link1.network.j2

@@ -1,7 +1,7 @@
 # {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
 
 [Match]
-Name={{ bridge_interface }}
+Name={{ network_interface }}
 
 [Network]
 DHCP=ipv4

templates/nftables.j2

@@ -19,12 +19,12 @@ table ip filter {
     # allow icmp
     ip protocol icmp accept
 
-    iifname "br0" tcp dport {{ ssh_port }} accept comment "SSH"
-    iifname "br0" tcp dport {{ gitlab_ssh_port }} accept comment "Gitlab SSH"
-    iifname "br0" tcp dport { {{ http_port }}, {{ https_port }} } accept comment "HTTP/HTTPS"
-    iifname "br0" tcp dport {{ transmission_port }} accept comment "Transmission"
+    iifname "{{ network_interface }}" tcp dport {{ ssh_port }} accept comment "SSH"
+    iifname "{{ network_interface }}" tcp dport {{ gitlab_ssh_port }} accept comment "Gitlab SSH"
+    iifname "{{ network_interface }}" tcp dport { {{ http_port }}, {{ https_port }} } accept comment "HTTP/HTTPS"
+    iifname "{{ network_interface }}" tcp dport {{ transmission_port }} accept comment "Transmission"
 
-    iifname "br0" udp dport {{ vpn_port }} accept comment "Wireguard"
+    iifname "{{ network_interface }}" udp dport {{ vpn_port }} accept comment "Wireguard"
 
     iifname "{{ vpn_interface }}" tcp dport { {{ http_port }}, {{ https_port }} } ip saddr {{ vpn_source_range }} ip daddr {{ vpn_destination_range }} accept comment "HTTP/HTTPS"
     iifname "{{ vpn_interface }}" tcp dport {{ transmission_web_port }} ip saddr {{ vpn_source_range }} ip daddr {{ vpn_destination_range }} accept comment "Transmission Web"

vars/network.yml

@@ -1,6 +1,5 @@
-bridge_interface: 'br0'
-bridge_source_interface: 'enp5s0'
-bridge_mac: '70:85:c2:5a:ce:91'
+network_interface: 'link1'
+network_mac: '70:85:c2:5a:ce:91'
 
 lan_ip_address: '192.168.178.185'
 wan_ip_address: '178.85.119.159'