Looks like it was removed from Debian and then in turn Ubuntu. Please see https://launchpad.net/ubuntu/+source/openslp-dfsg/+publishinghistory or https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=848025 for more details.
** Bug watch added: Debian Bug tracker #848025 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=848025 ** Tags added: bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1773238 Title: 18.04 build? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openslp-dfsg/+bug/1773238/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs