CLOUDSTACK-962: Because of the same reason to this (CLOUDSTACK-685)
https://reviews.apache.org/r/11157/

Signed-off-by: Chip Childers <chip.childers@gmail.com>
CLOUDSTACK-685: This is the additional patch for CLOUDSTACK-685 (and
CLOUDSTACK-721 as well) after this commit
https://git-wip-us.apache.org/repos/asf/cloudstack/repo?p=cloudstack.git;a=commit;h=cd7f7716155c3cd2d29b97d7ea302518d81fdfab

PrepareStop part in VirtualNetworkApplianceImpl.java need to be changed
as well.

Signed-off-by: Chip Childers <chip.childers@gmail.com>