Updated git submodules

Updated git submodules

Project: netvirt master 72bef67d06d2793aee07979d6ef0df7d715115f0

Fix exception handling in neutronvpn shell

see
https://wiki.opendaylight.org/view/BestPractices/Coding_Guidelines#IllegalCatch

motivated by/while reviewing
https://git.opendaylight.org/gerrit/#/c/62711/3/vpnservice/neutronvpn/neutronvpn-impl/src/main/java/org/opendaylight/netvirt/neutronvpn/NeutronvpnManager.java

Change-Id: I8ebc913e66d2fe33ffadf361214bb82263aec149
Signed-off-by: Michael Vorburger <vorburger@redhat.com>