So that users could keep a refcount for the peer.
The capability trick is from Thomas Haller.
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Thomas Haller <thaller@redhat.com>
Usually the peer of a veth device is moved to a new netns
after creation, so add a pid parameter to rtnl_link_veth_add().
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>