net/core/net_namespace.c:700: warning: No description found for return value of 'get_net_ns'
net/core/net_namespace.c:1364: warning: No description found for return value of 'register_pernet_subsys'
net/core/net_namespace.c:1410: warning: No description found for return value of 'register_pernet_device'
net/core/net_namespace.c:701: warning: No description found for return value of 'get_net_ns'
net/core/net_namespace.c:1368: warning: No description found for return value of 'register_pernet_subsys'
net/core/net_namespace.c:1414: warning: No description found for return value of 'register_pernet_device'