GenerateEtcHostsContent generates a /etc/hosts file based on `hostname`.

GenerateResolvConfContent generates the resolv.conf file content based on `searches`, `servers`, and `options`.

InstanceIDToName converts from the given instance ID (a GUID generated on the Windows host) to its corresponding interface name (e.g.

MergeValues merges `first` and `second` maintaining order `first, second`.