Merge #14790: Tests: Allow running rpc_bind.py --nonloopback test without IPv6

c9066f07c9 Allow running rpc_bind.py --nonloopback test without IPv6 (Kristaps Kaupe)

Pull request description:

  Don't see a reason why this can't be tested with IPv4 only.

Tree-SHA512: 515bdf700fad420e4b1798fd4978b53e2da3ddb26e43b16d68b43071bc912c325f1ceb10046ba3d0494dab289a53c45ddc2de9064117d8c1d6bf11e88323f490

test/functional/rpc_bind.py

@@ -70,7 +70,7 @@ class RPCBindTest(BitcoinTestFramework):
 
         self.log.info("Check for ipv6")
         have_ipv6 = test_ipv6_local()
-        if not have_ipv6 and not self.options.run_ipv4:
+        if not have_ipv6 and not (self.options.run_ipv4 or self.options.run_nonloopback):
             raise SkipTest("This test requires ipv6 support.")
 
         self.log.info("Check for non-loopback interface")