commit 44b5e271a8564370efec3b9e95365aa039e0db61
Author: Tomas Krizek <tomas.krizek@nic.cz>
Date:   2019-02-28 14:26:56 +0100

    test_net: disable UDP send on unconnected
    
    This test started to fail with 5.0 kernel in F30+ on aarch64 and s390x.
    The functionality isn't used by Knot DNS, so disabling this test until
    the issue is resolved should be safe.
    
    Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1675235

diff --git a/tests/contrib/test_net.c b/tests/contrib/test_net.c
index 99a9e3ee3..c8e5e0a25 100644
--- a/tests/contrib/test_net.c
+++ b/tests/contrib/test_net.c
@@ -310,10 +310,6 @@ static void test_unconnected(void)
 	r = net_dgram_recv(sock, buffer, buffer_len, TIMEOUT_SHORT);
 	ok(r == KNOT_ETIMEOUT, "UDP, receive timeout on unconnected socket");
 
-	struct sockaddr_storage server_addr = addr_from_socket(server);
-	r = net_dgram_send(sock, buffer, buffer_len, &server_addr);
-	ok(r == buffer_len, "UDP, send on defined address");
-
 	close(sock);
 
 	// TCP