wip: chase CI-only test failure

Author: vasild

test/functional/feature_bind_extra.py

@@ -50,6 +50,21 @@ def setup_network(self):
 
         self.have_ipv6 = test_ipv6_local()
 
+        if self.have_ipv6:
+            self.log.info("IPv6 support detected")
+
+        import socket
+        self.log.info("III 1")
+        try:
+            self.log.info("III 2")
+            s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+            self.log.info("III 3")
+            s.connect(('::1', 0))
+            self.log.info("III 4")
+        except socket.error:
+            self.log.info("III 5")
+        self.log.info("III 6")
+
         any_ipv4 = addr_to_hex('0.0.0.0')
         any_ipv6 = addr_to_hex('::')
         loopback_ipv4 = addr_to_hex('127.0.0.1')