--- src/core/net.c	701d782dddd50e2ef55c962da2b5780b1334753e
+++ src/core/net.c	6f86344eba060422ba3c6a3939678c6a39f5a136
@@ -2453,6 +2523,9 @@
 	if (flags & NET_ACK)
 		pri = BW_ACK;
 
+	if (pri >= BW_REL)
+		flags &= ~NET_DROPPABLE;
+
 	/* update global stats based on requested priority */
 	global_stats.pri_stats[pri] += len;