--- a/src/plugins/net.c	Sun Jun 15 10:19:30 2008 +0200
+++ b/src/plugins/net.c	Sun Jun 15 10:54:18 2008 +0200
@@ -59,6 +59,7 @@ ifdown(const char *iface)
   snprintf(cmdline, sizeof(cmdline), "/sbin/ifdown %s", iface);
   trace("%s\n", cmdline);
   system(cmdline);
+
   return 0;
 }
 
@@ -322,6 +323,8 @@ net_monitor(int fd, const char *iface)
 	      ifdown(iface);
 	      last_time_changed = 0;
 	      polltime = DEFAULT_POLLTIME;
+	      /* we need to have the interface up to monitor it */
+	      net_interface_set_up_flag(fd, iface);
 	    }
 	 }
 	else if (status == 1)