net/core/net_namespace.c:692: warning: No description found for return value of 'get_net_ns'
net/core/net_namespace.c:1362: warning: No description found for return value of 'register_pernet_subsys'
net/core/net_namespace.c:1408: warning: No description found for return value of 'register_pernet_device'
net/core/net_namespace.c:692: warning: No description found for return value of 'get_net_ns'
net/core/net_namespace.c:1365: warning: No description found for return value of 'register_pernet_subsys'
net/core/net_namespace.c:1411: warning: No description found for return value of 'register_pernet_device'