fixup! Add support for CNI-configured VM network interfaces.

Signed-off-by: Erik Sipsma <[email protected]>

Author: sipsma

docs/networking.md

@@ -154,8 +154,8 @@ message StaticNetworkConfiguration {
 message IPConfiguration {
     // Network configuration that will be applied to a network interface in a
     // Guest VM on boot.
-    string PrimaryAddr;
-    string GatewayAddr;
+    string PrimaryAddress;
+    string GatewayAddress;
     repeated string Nameservers;
 }
 ```

docs/quickstart.md

@@ -4,7 +4,10 @@ This quickstart guide provides simple steps to get a working
 firecracker-containerd environment, with each of the major components built from
 source.  Once you have completed this quickstart, you should be able to run and
 develop firecracker-containerd (the components in this repository), the
-Firecracker VMM, and containerd.
+Firecracker VMM, and containerd. Note that the guide below should result in VMs
+by default having network access to IPs assigned on the host and may, depending
+on the configuration of your host's network, also have outbound access to the
+internet.
 
 This quickstart will clone repositories under your `$HOME` directory and install
 files into `/usr/local/bin`.

internal/network_test_utils.go

@@ -141,6 +141,8 @@ func (h dnsHandler) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
 				Hdr: dns.RR_Header{Name: domain, Rrtype: dns.TypeA, Class: dns.ClassINET, Ttl: 3600},
 				A:   net.ParseIP(address),
 			})
+		} else {
+			msg.SetRcode(r, dns.RcodeNameError)
 		}
 	}