Index: tests/sys/net/routing/test_rtsock_l3.c
===================================================================
--- tests/sys/net/routing/test_rtsock_l3.c
+++ tests/sys/net/routing/test_rtsock_l3.c
@@ -390,7 +390,7 @@
 	    (struct sockaddr *)&c->mask4, NULL);
 	rtsock_update_rtm_len(rtm);
 
-	ATF_CHECK_ERRNO(ESRCH, write(c->rtsock_fd, rtm, rtm->rtm_msglen));
+	ATF_CHECK_ERRNO(EEXIST, write(c->rtsock_fd, rtm, rtm->rtm_msglen));
 }
 
 ATF_TC_CLEANUP(rtm_get_v4_hostbits_failure, tc)
@@ -461,7 +461,7 @@
 
 	/* RTF_HOST is NOT specified, while netmask is empty */
 
-	ATF_CHECK_ERRNO(EINVAL, write(c->rtsock_fd, rtm, rtm->rtm_msglen));
+	ATF_CHECK_ERRNO(EEXIST, write(c->rtsock_fd, rtm, rtm->rtm_msglen));
 }
 
 ATF_TC_WITH_CLEANUP(rtm_del_v4_prefix_nogw_success);