cpt: restore veth devices with correct names (v4)

transmit pair of veth names to criu via the option --veth-pair

v2: unset IFS and delete eval from vps-rst
v3: fix comments from Kir
v4: vzcheckvar VE_VETH_DEVS

Signed-off-by: Andrey Vagin <avagin@openvz.org>
2 files changed