Drop docker.log and add cloud-init-output.log

Signed-off-by: Davanum Srinivas <davanum@gmail.com>

test/e2e_node/services/logs.go

@@ -70,15 +70,9 @@ var requiredLogs = []LogFileData{
 	},
 	{
 		Name:              "cloud-init.log",
-		Files:             []string{"/var/log/cloud-init.log"},
+		Files:             []string{"/var/log/cloud-init.log", "/var/log/cloud-init-output.log"},
 		JournalctlCommand: []string{"-u", "cloud*"},
 	},
-	// TODO(random-liu): Make docker.log non-required.
-	{
-		Name:              "docker.log",
-		Files:             []string{"/var/log/docker.log", "/var/log/upstart/docker.log"},
-		JournalctlCommand: []string{"-u", "docker"},
-	},
 	{
 		Name:              "containerd.log",
 		Files:             []string{"/var/log/containerd.log"},