Add IPv6 support for Dnsmasq and NetworkManager

Signed-off-by: Timothy Middelkoop <tmiddelkoop@internet2.edu>

overlays/NetworkManager/internal/networkmanager_test.go

@@ -76,6 +76,12 @@ nodes:
           DNS1: 8.8.8.8
           DNS2: 8.8.4.4
           DNSSEARCH: "example.com;example.net;"
+      tertiary:
+        device: wwnet3
+        hwaddr: 9a:77:29:73:14:f8
+        ipaddr6: fd00:10::8
+        prefixlen6: 64
+        gateway6: fd00:10::1
 `,
 			args: []string{"--render", "node1", "NetworkManager", "etc/NetworkManager/system-connections/ww4-managed.ww"},
 			log: `backupFile: true
@@ -98,9 +104,8 @@ address=192.168.3.21/24
 gateway=192.168.3.1
 
 [ipv6]
-method=ignore
-addr-gen-mode=stable-privacy
-never-default=true
+addr-gen-mode=eui64
+method=disabled
 backupFile: true
 writeFile: true
 Filename: warewulf-secondary.conf
@@ -122,9 +127,29 @@ dns=8.8.8.8;8.8.4.4;
 dns-search=example.com;example.net;
 
 [ipv6]
-method=ignore
-addr-gen-mode=stable-privacy
-never-default=true
+addr-gen-mode=eui64
+method=disabled
+backupFile: true
+writeFile: true
+Filename: warewulf-tertiary.conf
+# This file is autogenerated by warewulf
+
+[connection]
+id=tertiary
+interface-name=wwnet3
+type=ethernet
+autoconnect=true
+[ethernet]
+mac-address=9a:77:29:73:14:f8
+
+[ipv4]
+method=disabled
+
+[ipv6]
+addr-gen-mode=eui64
+method=manual
+addresses=fd00:10::8/64
+gateway=fd00:10::1
 `,
 		},
 		"NetworkManager:ww4-managed.ww without device": {
@@ -169,9 +194,8 @@ address=192.168.3.21/24
 gateway=192.168.3.1
 
 [ipv6]
-method=ignore
-addr-gen-mode=stable-privacy
-never-default=true
+addr-gen-mode=eui64
+method=disabled
 backupFile: true
 writeFile: true
 Filename: warewulf-secondary.conf
@@ -192,9 +216,8 @@ dns=8.8.8.8;8.8.4.4;
 dns-search=example.com;example.net;
 
 [ipv6]
-method=ignore
-addr-gen-mode=stable-privacy
-never-default=true
+addr-gen-mode=eui64
+method=disabled
 `,
 		},
 		"NetworkManager:ww4-unmanaged.ww with empty mac address": {
@@ -269,9 +292,8 @@ method=manual
 route1=192.168.1.0/24,192.168.2.254
 
 [ipv6]
-method=ignore
-addr-gen-mode=stable-privacy
-never-default=true
+addr-gen-mode=eui64
+method=disabled
 [vlan]
 interface-name=eth0.902
 parent=eth0
@@ -292,9 +314,8 @@ autoconnect=true
 method=disabled
 
 [ipv6]
-method=ignore
-addr-gen-mode=stable-privacy
-never-default=true
+addr-gen-mode=eui64
+method=disabled
 `,
 		},
 		"NetworkManager:ww4-managed.ww with bond": {
@@ -342,9 +363,8 @@ method=manual
 address=192.168.3.110/24
 
 [ipv6]
-method=ignore
-addr-gen-mode=stable-privacy
-never-default=true
+addr-gen-mode=eui64
+method=disabled
 backupFile: true
 writeFile: true
 Filename: warewulf-en1.conf