Hi, There is a new version of ZeroMQ that fixes some IPv6 issues for me. A simple copy appears to be sufficient. I can commit it if that is easier. https://github.com/zeromq/zeromq4-1/releases -- Jason
commit bb4f59068b6e8b5d114a2d8f350a7ba75ef600fc Author: Jason Zaman <perfinion@gentoo.org> Date: Mon Nov 23 20:20:41 2015 +0800 net-libs/zeromq: version bump to 4.1.3