net/core/net_namespace.c:696: warning: No description found for return value of 'get_net_ns'
net/core/net_namespace.c:1351: warning: No description found for return value of 'register_pernet_subsys'
net/core/net_namespace.c:1397: warning: No description found for return value of 'register_pernet_device'
net/core/net_namespace.c:698: warning: No description found for return value of 'get_net_ns'
net/core/net_namespace.c:1358: warning: No description found for return value of 'register_pernet_subsys'
net/core/net_namespace.c:1404: warning: No description found for return value of 'register_pernet_device'