{
{% for vlan, addrs in vrf_prefixes | groupby('vlan.vid') %}
  "{{ addrs[0].vlan.name }}": {
    "ip": {{ addrs | selectattr('family.value', '==', 4) | map(attribute='prefix') | to_json }},
    "ip6": {{ addrs | selectattr('family.value', '==', 6) | map(attribute='prefix') | to_json }}
  }{% if not loop.last %},{% endif +%}
{% endfor %}
}