instance, this can be one of: ``rtl8139``, ``ne2k_pci``,
``ne2k_isa``, ``paravirtual``.
+NIC_%d_NETWORK
+ (Optional) If a NIC network is specified, the network's name.
+
+NIC_%d_NETWORK_UUID
+ (Optional) If a NIC network is specified, the network's uuid.
+
+NIC_%d_NETWORK_FAMILY
+ (Optional) If a NIC network is specified, the network's family.
+
+NIC_%d_NETWORK_SUBNET
+ (Optional) If a NIC network is specified, the network's IPv4 subnet.
+
+NIC_%d_NETWORK_GATEWAY
+ (Optional) If a NIC network is specified, the network's IPv4
+ gateway.
+
+NIC_%d_NETWORK_SUBNET6
+ (Optional) If a NIC network is specified, the network's IPv6 subnet.
+
+NIC_%d_NETWORK_GATEWAY6
+ (Optional) If a NIC network is specified, the network's IPv6
+ gateway.
+
+NIC_%d_NETWORK_MAC_PREFIX
+ (Optional) If a NIC network is specified, the network's mac prefix.
+
+NIC_%d_NETWORK_TYPE
+ (Optional) If a NIC network is specified, the network's type.
+
+NIC_%d_NETWORK_TAGS
+ (Optional) If a NIC network is specified, the network's tags, space
+ separated.
+
OSP_*name*
Each OS parameter (see below) will be exported in its own
variable, prefixed with ``OSP_``, and upper-cased. For example, a