Creating netdev
[Feature] Filled stubs for creating netdev (create_netdev_phys,
create_netdev_macvlan, create_netdev_veth)
[Cause] N/A
[Solution] Manage netdev through netlink interface
[Verification] Build, install, run vasum-server,
create zone (vasum-cli create_zone zone1),
start zone (vasum-cli start_zone zone1),
move interface f.e. p2p1 to zone (vasum-cli create_netdev_phys zone1 p2p1)
enter to zone (lxc-console -n zone1 --lxcpath=/usr/local/share/.zones -t 0)
check interfaces (ifconfig -a)
do analogous for create_netdev_macvlan and create_netdev_veth
Change-Id: I299d3ebeb8f101a386f5b156dbe79d7779600ef6