make warn info more informative.

{{project-name}}/Cargo.toml

@@ -13,9 +13,9 @@ clap = { version = "4.1", features = ["derive"] }
 {{project-name}}-common = { path = "../{{project-name}}-common", features = ["user"] }
 anyhow = "1"
 env_logger = "0.10"
+libc = "0.2"
 log = "0.4"
 tokio = { version = "1.25", features = ["macros", "rt", "rt-multi-thread", "net", "signal"] }
-libc = "0.2"
 
 [[bin]]
 name = "{{project-name}}"

{{project-name}}/src/main.rs

@@ -71,13 +71,14 @@ async fn main() -> Result<(), anyhow::Error> {
 {% endif %}
     env_logger::init();
 
-    let rlim = libc::rlimit{
+    // Allow current process to lock memory for eBPF resources.
+    let rlim = libc::rlimit {
         rlim_cur: libc::RLIM_INFINITY,
         rlim_max: libc::RLIM_INFINITY,
     };
     let ret = unsafe { libc::setrlimit(libc::RLIMIT_MEMLOCK, &rlim) };
-    if !ret == 0{
+    if ret != 0 {
-        warn!("cannot remove mem lock");
+        warn!("remove limit on locked memory failed, ret is: {}", ret);
     }
 
     // This will include your eBPF object file as raw bytes at compile-time and load it at