That said, this does appear to be a change in behavior between net-tools 1.60 in xenial and net-tools 1.60+git20161116.90da8a0 in bionic.
That said, this does appear to be a change in behavior between net-tools 1.60 in xenial and net-tools 1.60+git2016111 6.90da8a0 in bionic.