Add packet utils to packet.h

src/log/log.cpp

@@ -272,7 +272,7 @@ void log_print(enum log_level level, const char *module, const char *fmt, ...)
     }
 
     int nwrite;
-    char buf[2048] = {0};
+    char buf[4096] = {0};
     char *p = buf;
     char *end = buf + sizeof(buf);
     va_list args;