Minimize binary size

--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,3 +39,9 @@ netlink-packet-route = "0.11"
 
 [build-dependencies]
 chrono = "*"
+
+[profile.release]
+codegen-units = 1
+lto = true
+opt-level = "z"
+panic = "abort"