t_client.sh iproute2 script fixes

t_client.sh iproute2 script fixes

Test for existance of "iproute2" with "-n" (Alon)

Work around "ip -6 route show" behaviour on FC14 where some parts of
the IPv6 route cache would be displayed, which has no relevance to
OpenVPN but breaks before/after comparison.

Signed-off-by: Gert Doering <gert@greenie.muc.de>
Acked-by: David Sommerseth <davids@redhat.com>
Message-Id: 20120601151507.GE400@greenie.muc.de
URL: http://article.gmane.org/gmane.network.openvpn.devel/6637
Signed-off-by: David Sommerseth <davids@redhat.com>