Nomad now speaks IPv6

os/config/roles/nomad/templates/nomad.hcl.j2

@@ -1,13 +1,13 @@
 addresses {
-  http = "0.0.0.0"
-  rpc = "0.0.0.0"
-  serf = "0.0.0.0"
+  http = "::"
+  rpc = "::"
+  serf = "::"
 }
 
 advertise {
-  http = "{{ ipv4 }}"
-  rpc = "{{ ipv4 }}"
-  serf = "{{ ipv4 }}"
+  http = "{{ ipv6 }}"
+  rpc = "{{ ipv6 }}"
+  serf = "{{ ipv6 }}"
 }
 
 data_dir = "/var/lib/nomad"
@@ -18,13 +18,13 @@ server {
 }
 
 consul {
-  address="127.0.0.1:8500"
+  address="[::1]:8500"
 }
 
 client {
   enabled = true
   #cpu_total_compute = 4000
-  servers = ["127.0.0.1:4648"]
+  servers = ["[::1]:4648"]
   network_interface = "{{ interface }}"
   options {
     docker.privileged.enabled = "true"