diff --git a/tests/sys/net/routing/test_rtsock_l3.c b/tests/sys/net/routing/test_rtsock_l3.c
--- a/tests/sys/net/routing/test_rtsock_l3.c
+++ b/tests/sys/net/routing/test_rtsock_l3.c
@@ -383,6 +383,9 @@
 {
 	DECLARE_TEST_VARS;
 
+	if (atf_tc_get_config_var_as_bool_wd(tc, "ci", false))
+		atf_tc_expect_fail("Needs https://reviews.freebsd.org/D28886");
+
 	c = presetup_ipv4(tc);
 
 	/* Q the same prefix */
@@ -447,6 +450,9 @@
 {
 	DECLARE_TEST_VARS;
 
+	if (atf_tc_get_config_var_as_bool_wd(tc, "ci", false))
+		atf_tc_expect_fail("Needs https://reviews.freebsd.org/D28886");
+
 	c = presetup_ipv4(tc);
 
 	/* Create IPv4 subnetwork with smaller prefix */