container: Allow custom ip addresses for more than one network

roles/container/vars/main/network.yaml

@@ -0,0 +1,27 @@
+---
+_container_networks: >-
+  {{
+    container_networks
+    | map(attribute='name')
+    | map('regex_replace', '$', '.network')
+    | zip(container_networks | map(attribute='ip', default=''))
+    | map('reject', 'equalto', '')
+    | map('join', ':ip=')
+  }}
+
+_container_network_subnet: >-
+  {{ network.ip | ansible.utils.ipsubnet(24) if network.ip | default('') | length > 0 else '' }}
+_container_network_subnet_ranges: >-
+  {{
+    [
+      _container_network_subnet | ansible.utils.ipsubnet(25, 0),
+      _container_network_subnet | ansible.utils.ipsubnet(25, 1)
+    ] if network.ip | default('') | length > 0 else []
+  }}
+_container_network_range: >-
+  {{
+    _container_network_subnet_ranges |
+      reject('ansible.utils.supernet_of', network.ip) |
+      first
+    if network.ip | default('') | length > 0 else ''
+  }}