diff -Naur a/client/dhclient.c b/client/dhclient.c
--- a/client/dhclient.c	2016-09-27 14:16:50.000000000 -0500
+++ b/client/dhclient.c	2016-11-08 13:24:08.964000000 -0600
@@ -540,7 +540,10 @@
 
 			if (e != 0 && e != EOF && oldpid) {
 				if (kill(oldpid, SIGTERM) == 0) {
-					log_info("Killed old client process");
+					if (!quiet) {
+						log_info("Killed old client"
+							" process");
+					}
 					(void) unlink(path_dhclient_pid);
 					/*
 					 * wait for the old process to
@@ -551,7 +554,10 @@
 					 */
 					sleep(1);
 				} else if (errno == ESRCH) {
-					log_info("Removed stale PID file");
+					if (!quiet) {
+						log_info("Removed stale PID"
+							" file");
+					}
 					(void) unlink(path_dhclient_pid);
 				}
 			}
