diff -aur vyatta-dhcp3/common/discover.c vyatta-dhcp3.patched/common/discover.c
--- vyatta-dhcp3/common/discover.c	2016-06-07 19:44:06.000000000 +0000
+++ vyatta-dhcp3.patched/common/discover.c	2017-01-08 15:47:28.079475106 +0000
@@ -255,6 +255,10 @@
 		return 0;
 	}
 
+        /* Set Kernel Priority to 6 */
+        int val = 6;
+        setsockopt(ifaces->sock, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 	memset(&lifnum, 0, sizeof(lifnum));
 #ifdef ISC_PLATFORM_HAVELIFNUM
 	lifnum.lifn_family = AF_UNSPEC;
@@ -454,6 +458,10 @@
 		return 0;
 	}
 
+        /* Set Kernel Priority to 6 */
+        int val = 6;
+        setsockopt(ifaces->sock, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 #ifdef DHCPv6
 	if (local_family == AF_INET6) {
 		ifaces->fp6 = fopen("/proc/net/if_inet6", "r");
diff -aur vyatta-dhcp3/common/icmp.c vyatta-dhcp3.patched/common/icmp.c
--- vyatta-dhcp3/common/icmp.c	2016-06-07 19:44:06.000000000 +0000
+++ vyatta-dhcp3.patched/common/icmp.c	2017-01-08 15:48:50.835472236 +0000
@@ -101,6 +101,10 @@
 			return;
 		}
 
+        	/* Set Kernel Priority to 6 */
+        	int val = 6;
+        	setsockopt(icmp_state -> socket, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 #if defined (HAVE_SETFD)
 		if (fcntl (icmp_state -> socket, F_SETFD, 1) < 0)
 			log_error ("Can't set close-on-exec on icmp: %m");
diff -aur vyatta-dhcp3/common/lpf.c vyatta-dhcp3.patched/common/lpf.c
--- vyatta-dhcp3/common/lpf.c	2016-06-07 19:44:06.000000000 +0000
+++ vyatta-dhcp3.patched/common/lpf.c	2017-01-08 15:51:10.291394112 +0000
@@ -87,6 +87,10 @@
 		log_fatal ("Open a socket for LPF: %m");
 	}
 
+        /* Set Kernel Priority to 6 */
+        val = 6;
+        setsockopt(sock, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 	val = 1;
 	setsockopt(sock, SOL_PACKET, PACKET_AUXDATA, &val, sizeof(val));
 
@@ -470,6 +474,10 @@
 		log_fatal("Can't create socket for \"%s\": %m", name);
 	}
 
+        /* Set Kernel Priority to 6 */
+        int val = 6;
+        setsockopt(sock, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 	memset(&tmp, 0, sizeof(tmp));
 	strcpy(tmp.ifr_name, name);
 	if (ioctl(sock, SIOCGIFHWADDR, &tmp) < 0) {
diff -aur vyatta-dhcp3/common/raw.c vyatta-dhcp3.patched/common/raw.c
--- vyatta-dhcp3/common/raw.c	2016-06-07 19:44:06.000000000 +0000
+++ vyatta-dhcp3.patched/common/raw.c	2017-01-08 15:49:32.091388203 +0000
@@ -72,6 +72,10 @@
 	if ((sock = socket (AF_INET, SOCK_RAW, IPPROTO_RAW)) < 0)
 		log_fatal ("Can't create dhcp socket: %m");
 
+        /* Set Kernel Priority to 6 */
+        int val = 6;
+        setsockopt(sock, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 	/* Set the BROADCAST option so that we can broadcast DHCP responses. */
 	flag = 1;
 	if (setsockopt (sock, SOL_SOCKET, SO_BROADCAST,
diff -aur vyatta-dhcp3/common/socket.c vyatta-dhcp3.patched/common/socket.c
--- vyatta-dhcp3/common/socket.c	2016-06-07 19:44:06.000000000 +0000
+++ vyatta-dhcp3.patched/common/socket.c	2017-01-08 15:44:07.851612910 +0000
@@ -192,6 +192,10 @@
 		log_fatal("Can't create dhcp socket: %m");
 	}
 
+	/* Set Kernel Priority to 6 */
+	int val = 6;
+	setsockopt(sock, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 	/* Set the REUSEADDR option so that we don't fail to start if
 	   we're being restarted. */
 	flag = 1;
@@ -1095,6 +1099,10 @@
 	}
 
  flag_check:
+        /* Set Kernel Priority to 6 */
+        int val = 6;
+        setsockopt(sock, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 	if (lifr.lifr_flags & (IFF_VIRTUAL|IFF_IPMP)) {
 		hw->hlen = sizeof (hw->hbuf);
 		srandom((long)gethrtime());
diff -aur vyatta-dhcp3/minires/res_send.c vyatta-dhcp3.patched/minires/res_send.c
--- vyatta-dhcp3/minires/res_send.c	2016-06-07 19:44:06.000000000 +0000
+++ vyatta-dhcp3.patched/minires/res_send.c	2017-01-08 15:56:07.319213200 +0000
@@ -384,6 +384,10 @@
 					       "socket(vc)", errno);
 					return (-1);
 				}
+        			/* Set Kernel Priority to 6 */
+        			int val = 6;
+        			setsockopt(statp->_sock, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 				errno = 0;
 				if (connect(statp->_sock,
 					    (struct sockaddr *)nsap,
@@ -542,6 +546,10 @@
 					       "socket(dg)", errno);
 					return terrno;
 				}
+        			/* Set Kernel Priority to 6 */
+        			int val = 6;
+        			setsockopt(statp->_sock, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 				statp->_flags &= ~RES_F_CONN;
 			}
 #ifndef CANNOT_CONNECT_DGRAM
@@ -609,6 +617,10 @@
 
 					len = sizeof(local_addr);
 					s1 = socket(PF_INET, SOCK_DGRAM, 0);
+        				/* Set Kernel Priority to 6 */
+        				int val = 6;
+        				setsockopt(s1, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 					result = getsockname(statp->_sock,
 						(struct sockaddr *)&local_addr,
 							     &len);
diff -aur vyatta-dhcp3/omapip/connection.c vyatta-dhcp3.patched/omapip/connection.c
--- vyatta-dhcp3/omapip/connection.c	2016-06-07 19:44:06.000000000 +0000
+++ vyatta-dhcp3.patched/omapip/connection.c	2017-01-08 15:57:13.583257035 +0000
@@ -153,6 +153,9 @@
 				return ISC_R_NORESOURCES;
 			return ISC_R_UNEXPECTED;
 		}
+        	/* Set Kernel Priority to 6 */
+        	int val = 6;
+        	setsockopt(obj -> socket, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
 
 		/* Set up the local address, if any. */
 		if (local_addr) {
diff -aur vyatta-dhcp3/omapip/listener.c vyatta-dhcp3.patched/omapip/listener.c
--- vyatta-dhcp3/omapip/listener.c	2016-06-07 19:44:06.000000000 +0000
+++ vyatta-dhcp3.patched/omapip/listener.c	2017-01-08 16:00:05.007100351 +0000
@@ -126,6 +126,10 @@
 			goto error_exit;
 		}
 
+        	/* Set Kernel Priority to 6 */
+        	int val = 6;
+        	setsockopt(obj -> socket, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
 #if defined (HAVE_SETFD)
 		if (fcntl (obj -> socket, F_SETFD, 1) < 0) {
 			status = ISC_R_UNEXPECTED;
diff -aur vyatta-dhcp3/omapip/mrtrace.c vyatta-dhcp3.patched/omapip/mrtrace.c
--- vyatta-dhcp3/omapip/mrtrace.c	2016-06-07 19:44:06.000000000 +0000
+++ vyatta-dhcp3.patched/omapip/mrtrace.c	2017-01-08 18:10:09.319176785 +0000
@@ -343,10 +343,16 @@
 int trace_mr_socket (int domain, int type, int protocol)
 {
 #if defined (TRACING)
-	if (!trace_playback ())
+	if (!trace_playback ()) {
 #endif
-		return socket (domain, type, protocol);
+	int sock = socket (domain, type, protocol);
+        /* Set Kernel Priority to 6 */
+        int val = 6;
+        setsockopt(sock, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
+
+	return sock; 
 #if defined (TRACING)
+	}
 	return 100;
 #endif
 }