get_net_ns_by_pid
struct net *get_net_ns_by_pid(pid_t pid);
peer = get_net_ns_by_pid(nla_get_u32(tb[NETNSA_PID]));
EXPORT_SYMBOL_GPL(get_net_ns_by_pid);
peer = get_net_ns_by_pid(nla_get_u32(tb[NETNSA_PID]));
net = get_net_ns_by_pid(nla_get_u32(tb[IFLA_NET_NS_PID]));
net = get_net_ns_by_pid(nla_get_u32(netns_pid_attr));
net = get_net_ns_by_pid(pid);
pd->net = get_net_ns_by_pid(current->pid);
net = get_net_ns_by_pid(pid);