natty buildd chroots need an update

Hello, I am just building for natty and a look at the build logs let me frown a bit. Apparently, tons of IO is wasted on updating the local system packages. Well, that may not be too dramatic .. but .. well, I'd mind if it was my machine :)
Best,
Steffen

ntu CD Image Automatic Signing Key <email address hidden>" not changed
gpg: Total number processed: 2
gpg: unchanged: 2
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
(Reading database ... 13723 files and directories currently installed.)
Preparing to replace libpam-runtime 1.1.2-2ubuntu8 (using .../libpam-runtime_1.1.2-2ubuntu8.3_all.deb) ...
Unpacking replacement libpam-runtime ...
Setting up libpam-runtime (1.1.2-2ubuntu8.3) ...
(Reading database ... 13723 files and directories currently installed.)
Preparing to replace tzdata 2011f-1 (using .../tzdata_2011g-0ubuntu0.11.04_all.deb) ...
Unpacking replacement tzdata ...
Setting up tzdata (2011g-0ubuntu0.11.04) ...

Current default time zone: 'Etc/UTC'
Local time is now: Fri Jul 8 10:46:23 UTC 2011.
Universal Time is now: Fri Jul 8 10:46:23 UTC 2011.
Run 'dpkg-reconfigure tzdata' if you wish to change it.

(Reading database ... 13723 files and directories currently installed.)
Preparing to replace initramfs-tools 0.98.8ubuntu3 (using .../initramfs-tools_0.98.8ubuntu3.1_all.deb) ...
Unpacking replacement initramfs-tools ...
Preparing to replace initramfs-tools-bin 0.98.8ubuntu3 (using .../initramfs-tools-bin_0.98.8ubuntu3.1_i386.deb) ...
Unpacking replacement initramfs-tools-bin ...
Preparing to replace plymouth 0.8.2-2ubuntu22 (using .../plymouth_0.8.2-2ubuntu23_i386.deb) ...
Unpacking replacement plymouth ...
Preparing to replace libplymouth2 0.8.2-2ubuntu22 (using .../libplymouth2_0.8.2-2ubuntu23_i386.deb) ...
Unpacking replacement libplymouth2 ...
Preparing to replace libcurl3-gnutls 7.21.3-1ubuntu1 (using .../libcurl3-gnutls_7.21.3-1ubuntu1.2_i386.deb) ...
Unpacking replacement libcurl3-gnutls ...
Preparing to replace apt-transport-https 0.8.13.2ubuntu2 (using .../apt-transport-https_0.8.13.2ubuntu4_i386.deb) ...
Unpacking replacement apt-transport-https ...
Preparing to replace binutils 2.21.0.20110327-2ubuntu2 (using .../binutils_2.21.0.20110327-2ubuntu3_i386.deb) ...
Unpacking replacement binutils ...