I prepared a PPA with a package containing the upstream fix linked in comment #2 by Christian:
https://launchpad.net/~lucaskanashiro/+archive/ubuntu/xenial-munin/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1673357 Title: [SRU] Munin core plugin "if_" doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/munin/+bug/1673357/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs