Jun Wu <quark@fb.com> [Thu, 16 Feb 2017 09:38:52 -0800] rev 31008
tests: use LOCALIP
This patch replaces hardcoded 127.0.0.1 with $LOCALIP in all tests.
Till now, the IPv6 series should make tests pass on common IPv6 systems
where the local device has the address "::1" and the hostname "localhost"
resolves to "::1".