vstart.sh: Filter out IPv6 and localhost IP addresses.
vstart.sh: Filter out IPv6 and localhost IP addresses.

On e.g. Ubuntu 10.10, hostname --ip-address outputs something
like "::1 10.1.2.3 127.0.1.1", and this makes the generated
config be invalid. Get rid of the entries we can't use.

Signed-off-by: Tommi Virtanen <9ab2264cc7e4806727ef3fc8f99e05b759bbf6e0@dreamhost.com>

ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph