sockets: Show queue owner when reading aux pos

For debug purpose

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
obj: Add read_obj_type_hdr helper

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
sockets: Fix conversion of read queue

It might be multiple skbs there.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
tests: Update

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>