Index: tests/sys/netinet/so_reuseport_lb_test.c
===================================================================
--- tests/sys/netinet/so_reuseport_lb_test.c
+++ tests/sys/netinet/so_reuseport_lb_test.c
@@ -54,6 +54,7 @@
 	size_t i;
 	int *acceptcnt;
 	int csd, error, excnt, sd;
+	const struct linger lopt = { 1, 0 };
 
 	/*
 	 * We expect each listening socket to accept roughly nconns/nsds
@@ -73,6 +74,10 @@
 		ATF_REQUIRE_MSG(error == 0, "connect() failed: %s",
 		    strerror(errno));
 
+		error = setsockopt(sd, SOL_SOCKET, SO_LINGER, &lopt, sizeof(lopt));
+		ATF_REQUIRE_MSG(error == 0, "Setting linger failed: %s",
+		    strerror(errno));
+
 		/*
 		 * Poll the listening sockets.
 		 */