GPT bug fix

docs/debian_error_msg.txt

@@ -0,0 +1,16 @@
+error[E0308]: mismatched types
+   --> crates/wtfnet-probe/src/lib.rs:477:32
+    |
+477 |         .set_multicast_loop_v6(u32::from(ttl))
+    |          --------------------- ^^^^^^^^^^^^^^ expected `bool`, found `u32`
+    |          |
+    |          arguments to this method are incorrect
+    |
+note: method defined here
+   --> /home/dazuo/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/sr                                                                                    c/net/udp.rs:527:12
+    |
+527 |     pub fn set_multicast_loop_v6(&self, multicast_loop_v6: bool) -> io::Result<()> {
+    |            ^^^^^^^^^^^^^^^^^^^^^
+
+For more information about this error, try `rustc --explain E0308`.
+error: could not compile `wtfnet-probe` (lib) due to 1 previous error