ni_testbus_host_array_remove: when removing from the parent container's host array, clear the parent pointer

Signed-off-by: Olaf Kirch <okir@suse.de>
When an agent disconnects, destroy its capability list and environment.

Signed-off-by: Olaf Kirch <okir@suse.de>
kvm script: use a bridge and configure guests with a static IP

Signed-off-by: Olaf Kirch <okir@suse.de>
Add some comments

Signed-off-by: Olaf Kirch <okir@suse.de>
Mass rename: ni_call_* to ni_testbus_client_*

Signed-off-by: Olaf Kirch <okir@suse.de>
Work on direct upload to agent

Signed-off-by: Olaf Kirch <okir@suse.de>