net/core/net_namespace.c:716: warning: No description found for return value of 'get_net_ns'
net/core/net_namespace.c:1388: warning: No description found for return value of 'register_pernet_subsys'
net/core/net_namespace.c:1434: warning: No description found for return value of 'register_pernet_device'
net/core/net_namespace.c:712: warning: No description found for return value of 'get_net_ns'
net/core/net_namespace.c:1384: warning: No description found for return value of 'register_pernet_subsys'
net/core/net_namespace.c:1430: warning: No description found for return value of 'register_pernet_device'