--- a/linkfd.c	2008-01-08 00:35:43.000000000 +0200
+++ b/linkfd.c	2021-12-21 20:08:27.197338347 +0300
@@ -264,6 +264,7 @@
 		 break;
 	      }
 	      /* Send ECHO request */
+	      vtun_syslog(LOG_INFO,"Session %s sending ping", lfd_host->host);
 	      if( proto_write(fd1, buf, VTUN_ECHO_REQ) < 0 )
 		 break;
 	   }