pillar for loop

pillar/init.sls

...
{% for ip in pillar.get('server1', {}).items() %}
  - protocol: ipv4
  - address: {{ ip }}
{% endfor %}
...

pillar/ips.sls

server1:
  - 192.168.10.1
  - 192.168.10.1
  - 193.168.10.1
server2:
  - 192.168.10.1
  - 192.168.10.2
  - 192.168.10.3