smtp-mm-iso01: fix ipv6 address

Signed-off-by: Kevin Fenzi <kevin@scrye.com>

inventory/host_vars/smtp-mm-iso01.rdu3.fedoraproject.org

@@ -7,9 +7,28 @@ dns_search2: vpn.fedoraproject.org
 dns_search3: fedoraproject.org
 eth0_ipv4_gw: 10.16.179.254
 eth0_ipv4_ip: 10.16.179.63
+eth0_ipv4_nm: 24
 eth0_ipv6_gw: 2620:52:6:1161::1
 eth0_ipv6_ip: 2620:52:6:1161::34
-eth0_nm: 255.255.255.0
+eth0_ipv6_nm: 64
+network_connections:
+  - autoconnect: yes
+    ip:
+      address:
+        - "{{ eth0_ipv4_ip }}/{{ eth0_ipv4_nm }}"
+        - "{{ eth0_ipv6_ip }}/{{ eth0_ipv6_nm }}"
+      dhcp4: no
+      dns:
+        - "{{ dns1 }}"
+        - "{{ dns2 }}"
+      dns_search:
+        - "{{ dns_search1 }}"
+        - "{{ dns_search2 }}"
+      gateway4: "{{ eth0_ipv4_gw }}"
+      gateway6: "{{ eth0_ipv6_gw }}"
+    mac: "{{ ansible_default_ipv4.macaddress }}"
+    name: eth0
+    type: ethernet
 ks_repo: https://infrastructure.fedoraproject.org/repo/rhel/RHEL10-x86_64/
 ks_url: https://infrastructure.fedoraproject.org/repo/rhel/ks/kvm-rhel-10
 vmhost: vmhost-x86-iso02.rdu3.fedoraproject.org