Hmm, I have just reproduced this behaviour on ubuntu 14.04 LTS with ipset package from 14.10 (v6.21).
** Attachment added: "v6_21.png" https://bugs.launchpad.net/ubuntu/+source/ipset/+bug/1447093/+attachment/4381977/+files/v6_21.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1447093 Title: ipset v6.24: Invalid swap command: missing to-setname To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ipset/+bug/1447093/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs