net/core/net_namespace.c:693: warning: No description found for return value of 'get_net_ns'
net/core/net_namespace.c:1361: warning: No description found for return value of 'register_pernet_subsys'
net/core/net_namespace.c:1407: warning: No description found for return value of 'register_pernet_device'
net/core/net_namespace.c:693: warning: No description found for return value of 'get_net_ns'
net/core/net_namespace.c:1363: warning: No description found for return value of 'register_pernet_subsys'
net/core/net_namespace.c:1409: warning: No description found for return value of 'register_pernet_device'