Install udev before calls to udevadm

debian/changelog

@@ -1,3 +1,9 @@
+livecd-rootfs (2.441.8) UNRELEASED; urgency=medium
+
+  * Install udev before calls to udevadm
+
+ -- Robert C Jennings <robert.jennings@canonical.com>  Wed, 13 Sep 2017 21:03:59 -0500
+
 livecd-rootfs (2.441.7) zesty; urgency=medium
 
   * Restore the call to 'umount -R $mountpoint' from umount_partition,

live-build/functions

@@ -99,6 +99,8 @@ teardown_mountpoint() {
     umount "$mountpoint/sys"
     umount "$mountpoint/proc"
     umount -R "$mountpoint/dev"
+
+    apt-get install -qqy udev
     udevadm settle
     sleep 3
     mv resolv.conf.tmp "$mountpoint/etc/resolv.conf"

live-build/ubuntu-cpc/hooks/033-disk-image-uefi.binary

@@ -118,6 +118,7 @@ EOF
     sync
     umount mountpoint/boot/efi
     sleep 5
+    apt-get install -qqy udev
     udevadm settle
     mount
     umount_partition mountpoint