get_net_ns_by_fd
net = get_net_ns_by_fd(ns_fd);
net = get_net_ns_by_fd(nla_get_u32(nla[GTPA_NET_NS_FD]));
ns_a = get_net_ns_by_fd(netnsfd_a);
ns_b = get_net_ns_by_fd(netnsfd_b);
ns = get_net_ns_by_fd(netnsfd);
struct net *get_net_ns_by_fd(int fd);
net = get_net_ns_by_fd(attr->query.target_fd);
net = get_net_ns_by_fd(attr->link_create.target_fd);
peer = get_net_ns_by_fd(nla_get_u32(tb[NETNSA_FD]));
EXPORT_SYMBOL_GPL(get_net_ns_by_fd);
peer = get_net_ns_by_fd(nla_get_u32(tb[NETNSA_FD]));
net = get_net_ns_by_fd(nla_get_u32(tb[IFLA_NET_NS_FD]));
net = get_net_ns_by_fd(nla_get_u32(netns_fd_attr));
net = get_net_ns_by_fd(fd);
net = get_net_ns_by_fd(fd);